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d29fbcdb | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
0a8165d7 | 2 | /* |
39a53e0c JK |
3 | * fs/f2fs/f2fs.h |
4 | * | |
5 | * Copyright (c) 2012 Samsung Electronics Co., Ltd. | |
6 | * http://www.samsung.com/ | |
39a53e0c JK |
7 | */ |
8 | #ifndef _LINUX_F2FS_H | |
9 | #define _LINUX_F2FS_H | |
10 | ||
f847c699 | 11 | #include <linux/uio.h> |
39a53e0c JK |
12 | #include <linux/types.h> |
13 | #include <linux/page-flags.h> | |
14 | #include <linux/buffer_head.h> | |
39a53e0c JK |
15 | #include <linux/slab.h> |
16 | #include <linux/crc32.h> | |
17 | #include <linux/magic.h> | |
c2d715d1 | 18 | #include <linux/kobject.h> |
7bd59381 | 19 | #include <linux/sched.h> |
7c2e5963 | 20 | #include <linux/cred.h> |
df808180 | 21 | #include <linux/sched/mm.h> |
39307a8e | 22 | #include <linux/vmalloc.h> |
740432f8 | 23 | #include <linux/bio.h> |
d0239e1b | 24 | #include <linux/blkdev.h> |
0abd675e | 25 | #include <linux/quotaops.h> |
c6a564ff | 26 | #include <linux/part_stat.h> |
43b6573b | 27 | #include <crypto/hash.h> |
39a53e0c | 28 | |
734f0d24 | 29 | #include <linux/fscrypt.h> |
95ae251f | 30 | #include <linux/fsverity.h> |
734f0d24 | 31 | |
51dcbdac MWO |
32 | struct pagevec; |
33 | ||
5d56b671 | 34 | #ifdef CONFIG_F2FS_CHECK_FS |
9850cf4a | 35 | #define f2fs_bug_on(sbi, condition) BUG_ON(condition) |
5d56b671 | 36 | #else |
9850cf4a JK |
37 | #define f2fs_bug_on(sbi, condition) \ |
38 | do { \ | |
db489652 | 39 | if (WARN_ON(condition)) \ |
caf0047e | 40 | set_sbi_flag(sbi, SBI_NEED_FSCK); \ |
9850cf4a | 41 | } while (0) |
5d56b671 JK |
42 | #endif |
43 | ||
2c63fead JK |
44 | enum { |
45 | FAULT_KMALLOC, | |
628b3d14 | 46 | FAULT_KVMALLOC, |
c41f3cc3 | 47 | FAULT_PAGE_ALLOC, |
01eccef7 | 48 | FAULT_PAGE_GET, |
b96d9b3b | 49 | FAULT_ALLOC_BIO, /* it's obsolete due to bio_alloc() will never fail */ |
cb78942b JK |
50 | FAULT_ALLOC_NID, |
51 | FAULT_ORPHAN, | |
52 | FAULT_BLOCK, | |
53 | FAULT_DIR_DEPTH, | |
53aa6bbf | 54 | FAULT_EVICT_INODE, |
14b44d23 | 55 | FAULT_TRUNCATE, |
6f5c2ed0 | 56 | FAULT_READ_IO, |
0f348028 | 57 | FAULT_CHECKPOINT, |
b83dcfe6 | 58 | FAULT_DISCARD, |
6f5c2ed0 | 59 | FAULT_WRITE_IO, |
32410577 | 60 | FAULT_SLAB_ALLOC, |
10a26878 | 61 | FAULT_DQUOT_INIT, |
3e020389 | 62 | FAULT_LOCK_OP, |
18792e64 | 63 | FAULT_BLKADDR, |
2c63fead JK |
64 | FAULT_MAX, |
65 | }; | |
66 | ||
7fa750a1 | 67 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a CY |
68 | #define F2FS_ALL_FAULT_TYPE ((1 << FAULT_MAX) - 1) |
69 | ||
08796897 SY |
70 | struct f2fs_fault_info { |
71 | atomic_t inject_ops; | |
72 | unsigned int inject_rate; | |
73 | unsigned int inject_type; | |
74 | }; | |
75 | ||
19880e6e | 76 | extern const char *f2fs_fault_name[FAULT_MAX]; |
68afcf2d | 77 | #define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type))) |
2c63fead JK |
78 | #endif |
79 | ||
39a53e0c JK |
80 | /* |
81 | * For mount options | |
82 | */ | |
39a53e0c JK |
83 | #define F2FS_MOUNT_DISABLE_ROLL_FORWARD 0x00000002 |
84 | #define F2FS_MOUNT_DISCARD 0x00000004 | |
85 | #define F2FS_MOUNT_NOHEAP 0x00000008 | |
86 | #define F2FS_MOUNT_XATTR_USER 0x00000010 | |
87 | #define F2FS_MOUNT_POSIX_ACL 0x00000020 | |
88 | #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040 | |
444c580f | 89 | #define F2FS_MOUNT_INLINE_XATTR 0x00000080 |
1001b347 | 90 | #define F2FS_MOUNT_INLINE_DATA 0x00000100 |
34d67deb CY |
91 | #define F2FS_MOUNT_INLINE_DENTRY 0x00000200 |
92 | #define F2FS_MOUNT_FLUSH_MERGE 0x00000400 | |
93 | #define F2FS_MOUNT_NOBARRIER 0x00000800 | |
d5053a34 | 94 | #define F2FS_MOUNT_FASTBOOT 0x00001000 |
12607c1b | 95 | #define F2FS_MOUNT_READ_EXTENT_CACHE 0x00002000 |
343f40f0 | 96 | #define F2FS_MOUNT_DATA_FLUSH 0x00008000 |
73faec4d | 97 | #define F2FS_MOUNT_FAULT_INJECTION 0x00010000 |
0abd675e CY |
98 | #define F2FS_MOUNT_USRQUOTA 0x00080000 |
99 | #define F2FS_MOUNT_GRPQUOTA 0x00100000 | |
5c57132e | 100 | #define F2FS_MOUNT_PRJQUOTA 0x00200000 |
4b2414d0 | 101 | #define F2FS_MOUNT_QUOTA 0x00400000 |
6afc662e | 102 | #define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00800000 |
7e65be49 | 103 | #define F2FS_MOUNT_RESERVE_ROOT 0x01000000 |
4354994f | 104 | #define F2FS_MOUNT_DISABLE_CHECKPOINT 0x02000000 |
a9117eca | 105 | #define F2FS_MOUNT_NORECOVERY 0x04000000 |
093749e2 | 106 | #define F2FS_MOUNT_ATGC 0x08000000 |
261eeb9c | 107 | #define F2FS_MOUNT_MERGE_CHECKPOINT 0x10000000 |
5911d2d1 | 108 | #define F2FS_MOUNT_GC_MERGE 0x20000000 |
6ce19aff | 109 | #define F2FS_MOUNT_COMPRESS_CACHE 0x40000000 |
71644dff | 110 | #define F2FS_MOUNT_AGE_EXTENT_CACHE 0x80000000 |
39a53e0c | 111 | |
63189b78 CY |
112 | #define F2FS_OPTION(sbi) ((sbi)->mount_opt) |
113 | #define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option) | |
114 | #define set_opt(sbi, option) (F2FS_OPTION(sbi).opt |= F2FS_MOUNT_##option) | |
115 | #define test_opt(sbi, option) (F2FS_OPTION(sbi).opt & F2FS_MOUNT_##option) | |
39a53e0c JK |
116 | |
117 | #define ver_after(a, b) (typecheck(unsigned long long, a) && \ | |
118 | typecheck(unsigned long long, b) && \ | |
119 | ((long long)((a) - (b)) > 0)) | |
120 | ||
a9841c4d JK |
121 | typedef u32 block_t; /* |
122 | * should not change u32, since it is the on-disk block | |
123 | * address format, __le32. | |
124 | */ | |
39a53e0c JK |
125 | typedef u32 nid_t; |
126 | ||
4c8ff709 CY |
127 | #define COMPRESS_EXT_NUM 16 |
128 | ||
e4544b63 TM |
129 | /* |
130 | * An implementation of an rwsem that is explicitly unfair to readers. This | |
131 | * prevents priority inversion when a low-priority reader acquires the read lock | |
132 | * while sleeping on the write lock but the write lock is needed by | |
133 | * higher-priority clients. | |
134 | */ | |
135 | ||
136 | struct f2fs_rwsem { | |
137 | struct rw_semaphore internal_rwsem; | |
7f8e249d | 138 | #ifdef CONFIG_F2FS_UNFAIR_RWSEM |
e4544b63 | 139 | wait_queue_head_t read_waiters; |
7f8e249d | 140 | #endif |
e4544b63 TM |
141 | }; |
142 | ||
39a53e0c | 143 | struct f2fs_mount_info { |
63189b78 CY |
144 | unsigned int opt; |
145 | int write_io_size_bits; /* Write IO size bits */ | |
146 | block_t root_reserved_blocks; /* root reserved blocks */ | |
147 | kuid_t s_resuid; /* reserved blocks for uid */ | |
148 | kgid_t s_resgid; /* reserved blocks for gid */ | |
149 | int active_logs; /* # of active logs */ | |
150 | int inline_xattr_size; /* inline xattr size */ | |
151 | #ifdef CONFIG_F2FS_FAULT_INJECTION | |
152 | struct f2fs_fault_info fault_info; /* For fault injection */ | |
153 | #endif | |
154 | #ifdef CONFIG_QUOTA | |
155 | /* Names of quota files with journalled quota */ | |
156 | char *s_qf_names[MAXQUOTAS]; | |
157 | int s_jquota_fmt; /* Format of quota to use */ | |
158 | #endif | |
159 | /* For which write hints are passed down to block layer */ | |
63189b78 CY |
160 | int alloc_mode; /* segment allocation policy */ |
161 | int fsync_mode; /* fsync policy */ | |
b0332a0f | 162 | int fs_mode; /* fs mode: LFS or ADAPTIVE */ |
bbbc34fd | 163 | int bggc_mode; /* bggc mode: off, on or sync */ |
7a8fc586 | 164 | int memory_mode; /* memory mode */ |
4f993264 CY |
165 | int discard_unit; /* |
166 | * discard command's offset/size should | |
167 | * be aligned to this unit: block, | |
168 | * segment or section | |
169 | */ | |
ac4acb1f | 170 | struct fscrypt_dummy_policy dummy_enc_policy; /* test dummy encryption */ |
1ae18f71 | 171 | block_t unusable_cap_perc; /* percentage for cap */ |
4d3aed70 DR |
172 | block_t unusable_cap; /* Amount of space allowed to be |
173 | * unusable when disabling checkpoint | |
174 | */ | |
4c8ff709 CY |
175 | |
176 | /* For compression */ | |
177 | unsigned char compress_algorithm; /* algorithm type */ | |
b28f047b | 178 | unsigned char compress_log_size; /* cluster log size */ |
3fde13f8 | 179 | unsigned char compress_level; /* compress level */ |
b28f047b | 180 | bool compress_chksum; /* compressed data chksum */ |
4c8ff709 | 181 | unsigned char compress_ext_cnt; /* extension count */ |
151b1982 | 182 | unsigned char nocompress_ext_cnt; /* nocompress extension count */ |
602a16d5 | 183 | int compress_mode; /* compression mode */ |
4c8ff709 | 184 | unsigned char extensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN]; /* extensions */ |
151b1982 | 185 | unsigned char noextensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN]; /* extensions */ |
39a53e0c JK |
186 | }; |
187 | ||
7a2af766 CY |
188 | #define F2FS_FEATURE_ENCRYPT 0x0001 |
189 | #define F2FS_FEATURE_BLKZONED 0x0002 | |
190 | #define F2FS_FEATURE_ATOMIC_WRITE 0x0004 | |
191 | #define F2FS_FEATURE_EXTRA_ATTR 0x0008 | |
5c57132e | 192 | #define F2FS_FEATURE_PRJQUOTA 0x0010 |
704956ec | 193 | #define F2FS_FEATURE_INODE_CHKSUM 0x0020 |
6afc662e | 194 | #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040 |
234a9689 | 195 | #define F2FS_FEATURE_QUOTA_INO 0x0080 |
1c1d35df | 196 | #define F2FS_FEATURE_INODE_CRTIME 0x0100 |
b7c409de | 197 | #define F2FS_FEATURE_LOST_FOUND 0x0200 |
95ae251f | 198 | #define F2FS_FEATURE_VERITY 0x0400 |
d440c52d | 199 | #define F2FS_FEATURE_SB_CHKSUM 0x0800 |
5aba5430 | 200 | #define F2FS_FEATURE_CASEFOLD 0x1000 |
4c8ff709 | 201 | #define F2FS_FEATURE_COMPRESSION 0x2000 |
a7d9fe3c | 202 | #define F2FS_FEATURE_RO 0x4000 |
cde4de12 | 203 | |
7beb01f7 CY |
204 | #define __F2FS_HAS_FEATURE(raw_super, mask) \ |
205 | ((raw_super->feature & cpu_to_le32(mask)) != 0) | |
206 | #define F2FS_HAS_FEATURE(sbi, mask) __F2FS_HAS_FEATURE(sbi->raw_super, mask) | |
76f105a2 | 207 | |
7c2e5963 JK |
208 | /* |
209 | * Default values for user and/or group using reserved blocks | |
210 | */ | |
211 | #define F2FS_DEF_RESUID 0 | |
212 | #define F2FS_DEF_RESGID 0 | |
213 | ||
39a53e0c JK |
214 | /* |
215 | * For checkpoint manager | |
216 | */ | |
217 | enum { | |
218 | NAT_BITMAP, | |
219 | SIT_BITMAP | |
220 | }; | |
221 | ||
c473f1a9 CY |
222 | #define CP_UMOUNT 0x00000001 |
223 | #define CP_FASTBOOT 0x00000002 | |
224 | #define CP_SYNC 0x00000004 | |
225 | #define CP_RECOVERY 0x00000008 | |
226 | #define CP_DISCARD 0x00000010 | |
1f43e2ad | 227 | #define CP_TRIMMED 0x00000020 |
4354994f | 228 | #define CP_PAUSE 0x00000040 |
b4b10061 | 229 | #define CP_RESIZE 0x00000080 |
75ab4cb8 | 230 | |
ecc9aa00 | 231 | #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */ |
969d1b18 | 232 | #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */ |
f9d1dced | 233 | #define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */ |
969d1b18 | 234 | #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */ |
8bb4f253 | 235 | #define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */ |
60b99b48 | 236 | #define DEF_CP_INTERVAL 60 /* 60 secs */ |
dcf25fe8 | 237 | #define DEF_IDLE_INTERVAL 5 /* 5 secs */ |
4354994f | 238 | #define DEF_DISABLE_INTERVAL 5 /* 5 secs */ |
db610a64 | 239 | #define DEF_DISABLE_QUICK_INTERVAL 1 /* 1 secs */ |
03f2c02d | 240 | #define DEF_UMOUNT_DISCARD_TIMEOUT 5 /* 5 secs */ |
bba681cb | 241 | |
75ab4cb8 JK |
242 | struct cp_control { |
243 | int reason; | |
4b2fecc8 JK |
244 | __u64 trim_start; |
245 | __u64 trim_end; | |
246 | __u64 trim_minlen; | |
75ab4cb8 JK |
247 | }; |
248 | ||
662befda | 249 | /* |
e1da7872 | 250 | * indicate meta/data type |
662befda CY |
251 | */ |
252 | enum { | |
253 | META_CP, | |
254 | META_NAT, | |
81c1a0f1 | 255 | META_SIT, |
4c521f49 | 256 | META_SSA, |
b63e7be5 | 257 | META_MAX, |
4c521f49 | 258 | META_POR, |
93770ab7 CY |
259 | DATA_GENERIC, /* check range only */ |
260 | DATA_GENERIC_ENHANCE, /* strong check on range and segment bitmap */ | |
261 | DATA_GENERIC_ENHANCE_READ, /* | |
262 | * strong check on range and segment | |
263 | * bitmap but no warning due to race | |
264 | * condition of read on truncated area | |
265 | * by extent_cache | |
266 | */ | |
0ef4ca04 CY |
267 | DATA_GENERIC_ENHANCE_UPDATE, /* |
268 | * strong check on range and segment | |
269 | * bitmap for update case | |
270 | */ | |
e1da7872 | 271 | META_GENERIC, |
662befda CY |
272 | }; |
273 | ||
6451e041 JK |
274 | /* for the list of ino */ |
275 | enum { | |
276 | ORPHAN_INO, /* for orphan ino list */ | |
fff04f90 JK |
277 | APPEND_INO, /* for append ino list */ |
278 | UPDATE_INO, /* for update ino list */ | |
d382e369 | 279 | TRANS_DIR_INO, /* for transactions dir ino list */ |
39d787be | 280 | FLUSH_INO, /* for multiple device flushing */ |
6451e041 JK |
281 | MAX_INO_ENTRY, /* max. list */ |
282 | }; | |
283 | ||
284 | struct ino_entry { | |
39d787be CY |
285 | struct list_head list; /* list head */ |
286 | nid_t ino; /* inode number */ | |
287 | unsigned int dirty_device; /* dirty device bitmap */ | |
39a53e0c JK |
288 | }; |
289 | ||
2710fd7e | 290 | /* for the list of inodes to be GCed */ |
06292073 | 291 | struct inode_entry { |
39a53e0c JK |
292 | struct list_head list; /* list head */ |
293 | struct inode *inode; /* vfs inode pointer */ | |
294 | }; | |
295 | ||
50fa53ec CY |
296 | struct fsync_node_entry { |
297 | struct list_head list; /* list head */ | |
298 | struct page *page; /* warm node page pointer */ | |
299 | unsigned int seq_id; /* sequence id */ | |
300 | }; | |
301 | ||
261eeb9c DJ |
302 | struct ckpt_req { |
303 | struct completion wait; /* completion for checkpoint done */ | |
304 | struct llist_node llnode; /* llist_node to be linked in wait queue */ | |
305 | int ret; /* return code of checkpoint */ | |
306 | ktime_t queue_time; /* request queued time */ | |
307 | }; | |
308 | ||
309 | struct ckpt_req_control { | |
310 | struct task_struct *f2fs_issue_ckpt; /* checkpoint task */ | |
e6592066 | 311 | int ckpt_thread_ioprio; /* checkpoint merge thread ioprio */ |
261eeb9c DJ |
312 | wait_queue_head_t ckpt_wait_queue; /* waiting queue for wake-up */ |
313 | atomic_t issued_ckpt; /* # of actually issued ckpts */ | |
314 | atomic_t total_ckpt; /* # of total ckpts */ | |
315 | atomic_t queued_ckpt; /* # of queued ckpts */ | |
316 | struct llist_head issue_list; /* list for command issue */ | |
317 | spinlock_t stat_lock; /* lock for below checkpoint time stats */ | |
318 | unsigned int cur_time; /* cur wait time in msec for currently issued checkpoint */ | |
319 | unsigned int peak_time; /* peak wait time in msec until now */ | |
320 | }; | |
321 | ||
a7eeb823 | 322 | /* for the bitmap indicate blocks to be discarded */ |
7fd9e544 JK |
323 | struct discard_entry { |
324 | struct list_head list; /* list head */ | |
a7eeb823 CY |
325 | block_t start_blkaddr; /* start blockaddr of current segment */ |
326 | unsigned char discard_map[SIT_VBLOCK_MAP_SIZE]; /* segment discard bitmap */ | |
7fd9e544 JK |
327 | }; |
328 | ||
1cd2e6d5 YL |
329 | /* minimum discard granularity, unit: block count */ |
330 | #define MIN_DISCARD_GRANULARITY 1 | |
969d1b18 CY |
331 | /* default discard granularity of inner discard thread, unit: block count */ |
332 | #define DEFAULT_DISCARD_GRANULARITY 16 | |
c46867e9 YL |
333 | /* default maximum discard granularity of ordered discard, unit: block count */ |
334 | #define DEFAULT_MAX_ORDERED_DISCARD_GRANULARITY 16 | |
969d1b18 | 335 | |
ba48a33e CY |
336 | /* max discard pend list number */ |
337 | #define MAX_PLIST_NUM 512 | |
338 | #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \ | |
2f84babf | 339 | (MAX_PLIST_NUM - 1) : ((blk_num) - 1)) |
ba48a33e | 340 | |
15469963 | 341 | enum { |
35ec7d57 CY |
342 | D_PREP, /* initial */ |
343 | D_PARTIAL, /* partially submitted */ | |
344 | D_SUBMIT, /* all submitted */ | |
345 | D_DONE, /* finished */ | |
15469963 JK |
346 | }; |
347 | ||
004b6862 CY |
348 | struct discard_info { |
349 | block_t lstart; /* logical start address */ | |
350 | block_t len; /* length */ | |
351 | block_t start; /* actual start address in dev */ | |
352 | }; | |
353 | ||
b01a9201 | 354 | struct discard_cmd { |
004b6862 CY |
355 | struct rb_node rb_node; /* rb node located in rb-tree */ |
356 | union { | |
357 | struct { | |
358 | block_t lstart; /* logical start address */ | |
359 | block_t len; /* length */ | |
360 | block_t start; /* actual start address in dev */ | |
361 | }; | |
362 | struct discard_info di; /* discard info */ | |
363 | ||
364 | }; | |
b01a9201 JK |
365 | struct list_head list; /* command list */ |
366 | struct completion wait; /* compleation */ | |
c81abe34 | 367 | struct block_device *bdev; /* bdev */ |
ec9895ad | 368 | unsigned short ref; /* reference count */ |
9a744b92 | 369 | unsigned char state; /* state */ |
72691af6 | 370 | unsigned char queued; /* queued discard */ |
c81abe34 | 371 | int error; /* bio error */ |
35ec7d57 CY |
372 | spinlock_t lock; /* for state/bio_ref updating */ |
373 | unsigned short bio_ref; /* bio reference count */ | |
275b66b0 CY |
374 | }; |
375 | ||
78997b56 CY |
376 | enum { |
377 | DPOLICY_BG, | |
378 | DPOLICY_FORCE, | |
379 | DPOLICY_FSTRIM, | |
380 | DPOLICY_UMOUNT, | |
381 | MAX_DPOLICY, | |
382 | }; | |
383 | ||
ecc9aa00 | 384 | struct discard_policy { |
78997b56 | 385 | int type; /* type of discard */ |
ecc9aa00 | 386 | unsigned int min_interval; /* used for candidates exist */ |
f9d1dced | 387 | unsigned int mid_interval; /* used for device busy */ |
ecc9aa00 CY |
388 | unsigned int max_interval; /* used for candidates not exist */ |
389 | unsigned int max_requests; /* # of discards issued per round */ | |
390 | unsigned int io_aware_gran; /* minimum granularity discard not be aware of I/O */ | |
391 | bool io_aware; /* issue discard in idle time */ | |
392 | bool sync; /* submit discard with REQ_SYNC flag */ | |
20ee4382 | 393 | bool ordered; /* issue discard by lba order */ |
6ce48b0c | 394 | bool timeout; /* discard timeout for put_super */ |
78997b56 | 395 | unsigned int granularity; /* discard granularity */ |
ecc9aa00 CY |
396 | }; |
397 | ||
0b54fb84 | 398 | struct discard_cmd_control { |
15469963 | 399 | struct task_struct *f2fs_issue_discard; /* discard thread */ |
46f84c2c | 400 | struct list_head entry_list; /* 4KB discard entry list */ |
ba48a33e | 401 | struct list_head pend_list[MAX_PLIST_NUM];/* store pending entries */ |
46f84c2c | 402 | struct list_head wait_list; /* store on-flushing entries */ |
8412663d | 403 | struct list_head fstrim_list; /* in-flight discard from fstrim */ |
15469963 | 404 | wait_queue_head_t discard_wait_queue; /* waiting queue for wake-up */ |
969d1b18 | 405 | unsigned int discard_wake; /* to wake up discard thread */ |
15469963 | 406 | struct mutex cmd_lock; |
d618ebaf CY |
407 | unsigned int nr_discards; /* # of discards in the list */ |
408 | unsigned int max_discards; /* max. discards to be issued */ | |
d2d8e896 KV |
409 | unsigned int max_discard_request; /* max. discard request per round */ |
410 | unsigned int min_discard_issue_time; /* min. interval between discard issue */ | |
411 | unsigned int mid_discard_issue_time; /* mid. interval between discard issue */ | |
412 | unsigned int max_discard_issue_time; /* max. interval between discard issue */ | |
8a47d228 | 413 | unsigned int discard_urgent_util; /* utilization which issue discard proactively */ |
969d1b18 | 414 | unsigned int discard_granularity; /* discard granularity */ |
c46867e9 | 415 | unsigned int max_ordered_discard; /* maximum discard granularity issued by lba order */ |
d84d1cbd | 416 | unsigned int undiscard_blks; /* # of undiscard blocks */ |
20ee4382 | 417 | unsigned int next_pos; /* next discard position */ |
8b8dd65f | 418 | atomic_t issued_discard; /* # of issued discard */ |
72691af6 | 419 | atomic_t queued_discard; /* # of queued discard */ |
5f32366a | 420 | atomic_t discard_cmd_cnt; /* # of cached cmd count */ |
4dada3fd | 421 | struct rb_root_cached root; /* root of discard rb-tree */ |
67fce70b | 422 | bool rbtree_check; /* config for consistence check */ |
275b66b0 CY |
423 | }; |
424 | ||
39a53e0c JK |
425 | /* for the list of fsync inodes, used only during recovery */ |
426 | struct fsync_inode_entry { | |
427 | struct list_head list; /* list head */ | |
428 | struct inode *inode; /* vfs inode pointer */ | |
c52e1b10 JK |
429 | block_t blkaddr; /* block address locating the last fsync */ |
430 | block_t last_dentry; /* block address locating the last dentry */ | |
39a53e0c JK |
431 | }; |
432 | ||
68afcf2d TK |
433 | #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats)) |
434 | #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits)) | |
39a53e0c | 435 | |
68afcf2d TK |
436 | #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne) |
437 | #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid) | |
438 | #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se) | |
439 | #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno) | |
39a53e0c | 440 | |
dfc08a12 CY |
441 | #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl)) |
442 | #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl)) | |
309cc2b6 | 443 | |
dfc08a12 | 444 | static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i) |
39a53e0c | 445 | { |
dfc08a12 | 446 | int before = nats_in_cursum(journal); |
cac5a3d8 | 447 | |
dfc08a12 | 448 | journal->n_nats = cpu_to_le16(before + i); |
39a53e0c JK |
449 | return before; |
450 | } | |
451 | ||
dfc08a12 | 452 | static inline int update_sits_in_cursum(struct f2fs_journal *journal, int i) |
39a53e0c | 453 | { |
dfc08a12 | 454 | int before = sits_in_cursum(journal); |
cac5a3d8 | 455 | |
dfc08a12 | 456 | journal->n_sits = cpu_to_le16(before + i); |
39a53e0c JK |
457 | return before; |
458 | } | |
459 | ||
dfc08a12 CY |
460 | static inline bool __has_cursum_space(struct f2fs_journal *journal, |
461 | int size, int type) | |
184a5cd2 CY |
462 | { |
463 | if (type == NAT_JOURNAL) | |
dfc08a12 CY |
464 | return size <= MAX_NAT_JENTRIES(journal); |
465 | return size <= MAX_SIT_JENTRIES(journal); | |
184a5cd2 CY |
466 | } |
467 | ||
f2470371 CY |
468 | /* for inline stuff */ |
469 | #define DEF_INLINE_RESERVED_SIZE 1 | |
7a2af766 | 470 | static inline int get_extra_isize(struct inode *inode); |
6afc662e | 471 | static inline int get_inline_xattr_addrs(struct inode *inode); |
6afc662e CY |
472 | #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \ |
473 | (CUR_ADDRS_PER_INODE(inode) - \ | |
b323fd28 | 474 | get_inline_xattr_addrs(inode) - \ |
6afc662e | 475 | DEF_INLINE_RESERVED_SIZE)) |
f2470371 CY |
476 | |
477 | /* for inline dir */ | |
478 | #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \ | |
479 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
480 | BITS_PER_BYTE + 1)) | |
f91108b8 GU |
481 | #define INLINE_DENTRY_BITMAP_SIZE(inode) \ |
482 | DIV_ROUND_UP(NR_INLINE_DENTRY(inode), BITS_PER_BYTE) | |
f2470371 CY |
483 | #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \ |
484 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
485 | NR_INLINE_DENTRY(inode) + \ | |
486 | INLINE_DENTRY_BITMAP_SIZE(inode))) | |
487 | ||
39a53e0c JK |
488 | /* |
489 | * For INODE and NODE manager | |
490 | */ | |
7b3cd7d6 | 491 | /* for directory operations */ |
43c780ba EB |
492 | |
493 | struct f2fs_filename { | |
494 | /* | |
495 | * The filename the user specified. This is NULL for some | |
496 | * filesystem-internal operations, e.g. converting an inline directory | |
497 | * to a non-inline one, or roll-forward recovering an encrypted dentry. | |
498 | */ | |
499 | const struct qstr *usr_fname; | |
500 | ||
501 | /* | |
502 | * The on-disk filename. For encrypted directories, this is encrypted. | |
503 | * This may be NULL for lookups in an encrypted dir without the key. | |
504 | */ | |
505 | struct fscrypt_str disk_name; | |
506 | ||
507 | /* The dirhash of this filename */ | |
508 | f2fs_hash_t hash; | |
509 | ||
510 | #ifdef CONFIG_FS_ENCRYPTION | |
511 | /* | |
512 | * For lookups in encrypted directories: either the buffer backing | |
513 | * disk_name, or a buffer that holds the decoded no-key name. | |
514 | */ | |
515 | struct fscrypt_str crypto_buf; | |
516 | #endif | |
5298d4bf | 517 | #if IS_ENABLED(CONFIG_UNICODE) |
43c780ba EB |
518 | /* |
519 | * For casefolded directories: the casefolded name, but it's left NULL | |
b5639bb4 EB |
520 | * if the original name is not valid Unicode, if the original name is |
521 | * "." or "..", if the directory is both casefolded and encrypted and | |
522 | * its encryption key is unavailable, or if the filesystem is doing an | |
523 | * internal operation where usr_fname is also NULL. In all these cases | |
524 | * we fall back to treating the name as an opaque byte sequence. | |
43c780ba EB |
525 | */ |
526 | struct fscrypt_str cf_name; | |
527 | #endif | |
528 | }; | |
529 | ||
7b3cd7d6 | 530 | struct f2fs_dentry_ptr { |
d8c6822a | 531 | struct inode *inode; |
76a9dd85 | 532 | void *bitmap; |
7b3cd7d6 JK |
533 | struct f2fs_dir_entry *dentry; |
534 | __u8 (*filename)[F2FS_SLOT_LEN]; | |
535 | int max; | |
76a9dd85 | 536 | int nr_bitmap; |
7b3cd7d6 JK |
537 | }; |
538 | ||
64c24ecb TK |
539 | static inline void make_dentry_ptr_block(struct inode *inode, |
540 | struct f2fs_dentry_ptr *d, struct f2fs_dentry_block *t) | |
7b3cd7d6 | 541 | { |
d8c6822a | 542 | d->inode = inode; |
64c24ecb | 543 | d->max = NR_DENTRY_IN_BLOCK; |
76a9dd85 | 544 | d->nr_bitmap = SIZE_OF_DENTRY_BITMAP; |
c79d1520 | 545 | d->bitmap = t->dentry_bitmap; |
64c24ecb TK |
546 | d->dentry = t->dentry; |
547 | d->filename = t->filename; | |
548 | } | |
d8c6822a | 549 | |
64c24ecb | 550 | static inline void make_dentry_ptr_inline(struct inode *inode, |
f2470371 | 551 | struct f2fs_dentry_ptr *d, void *t) |
64c24ecb | 552 | { |
f2470371 CY |
553 | int entry_cnt = NR_INLINE_DENTRY(inode); |
554 | int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode); | |
555 | int reserved_size = INLINE_RESERVED_SIZE(inode); | |
556 | ||
64c24ecb | 557 | d->inode = inode; |
f2470371 CY |
558 | d->max = entry_cnt; |
559 | d->nr_bitmap = bitmap_size; | |
560 | d->bitmap = t; | |
561 | d->dentry = t + bitmap_size + reserved_size; | |
562 | d->filename = t + bitmap_size + reserved_size + | |
563 | SIZE_OF_DIR_ENTRY * entry_cnt; | |
7b3cd7d6 JK |
564 | } |
565 | ||
dbe6a5ff JK |
566 | /* |
567 | * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1 | |
568 | * as its node offset to distinguish from index node blocks. | |
569 | * But some bits are used to mark the node block. | |
570 | */ | |
571 | #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \ | |
572 | >> OFFSET_BIT_SHIFT) | |
266e97a8 JK |
573 | enum { |
574 | ALLOC_NODE, /* allocate a new node page if needed */ | |
575 | LOOKUP_NODE, /* look up a node without readahead */ | |
576 | LOOKUP_NODE_RA, /* | |
577 | * look up a node with readahead called | |
4f4124d0 | 578 | * by get_data_block. |
39a53e0c | 579 | */ |
266e97a8 JK |
580 | }; |
581 | ||
91803392 | 582 | #define DEFAULT_RETRY_IO_COUNT 8 /* maximum retry read IO or flush count */ |
7735730d | 583 | |
5df7731f CY |
584 | /* congestion wait timeout value, default: 20ms */ |
585 | #define DEFAULT_IO_TIMEOUT (msecs_to_jiffies(20)) | |
586 | ||
af033b2a CY |
587 | /* maximum retry quota flush count */ |
588 | #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8 | |
589 | ||
a7b8618a JK |
590 | /* maximum retry of EIO'ed page */ |
591 | #define MAX_RETRY_PAGE_EIO 100 | |
50c63009 | 592 | |
a6db67f0 | 593 | #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */ |
39a53e0c | 594 | |
817202d9 CY |
595 | #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */ |
596 | ||
287b1406 CY |
597 | /* dirty segments threshold for triggering CP */ |
598 | #define DEFAULT_DIRTY_THRESHOLD 4 | |
599 | ||
e7547dac JK |
600 | #define RECOVERY_MAX_RA_BLOCKS BIO_MAX_VECS |
601 | #define RECOVERY_MIN_RA_BLOCKS 1 | |
602 | ||
603 | #define F2FS_ONSTACK_PAGES 16 /* nr of onstack pages */ | |
604 | ||
39a53e0c | 605 | /* for in-memory extent cache entry */ |
13054c54 CY |
606 | #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */ |
607 | ||
608 | /* number of extent info in extent cache we try to shrink */ | |
12607c1b | 609 | #define READ_EXTENT_CACHE_SHRINK_NUMBER 128 |
c11abd1a | 610 | |
71644dff JK |
611 | /* number of age extent info in extent cache we try to shrink */ |
612 | #define AGE_EXTENT_CACHE_SHRINK_NUMBER 128 | |
613 | #define LAST_AGE_WEIGHT 30 | |
614 | #define SAME_AGE_REGION 1024 | |
615 | ||
616 | /* | |
617 | * Define data block with age less than 1GB as hot data | |
618 | * define data block with age less than 10GB but more than 1GB as warm data | |
619 | */ | |
620 | #define DEF_HOT_DATA_AGE_THRESHOLD 262144 | |
621 | #define DEF_WARM_DATA_AGE_THRESHOLD 2621440 | |
622 | ||
e7547dac JK |
623 | /* extent cache type */ |
624 | enum extent_type { | |
625 | EX_READ, | |
71644dff | 626 | EX_BLOCK_AGE, |
e7547dac JK |
627 | NR_EXTENT_CACHES, |
628 | }; | |
01fc4b9a | 629 | |
54c2258c CY |
630 | struct rb_entry { |
631 | struct rb_node rb_node; /* rb node located in rb-tree */ | |
2e9b2bb2 CY |
632 | union { |
633 | struct { | |
634 | unsigned int ofs; /* start offset of the entry */ | |
635 | unsigned int len; /* length of the entry */ | |
636 | }; | |
637 | unsigned long long key; /* 64-bits key */ | |
48046cb5 | 638 | } __packed; |
54c2258c CY |
639 | }; |
640 | ||
39a53e0c | 641 | struct extent_info { |
13054c54 | 642 | unsigned int fofs; /* start offset in a file */ |
13054c54 | 643 | unsigned int len; /* length of the extent */ |
e7547dac JK |
644 | union { |
645 | /* read extent_cache */ | |
646 | struct { | |
647 | /* start block address of the extent */ | |
648 | block_t blk; | |
94afd6d6 | 649 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
e7547dac JK |
650 | /* physical extent length of compressed blocks */ |
651 | unsigned int c_len; | |
94afd6d6 | 652 | #endif |
e7547dac | 653 | }; |
71644dff JK |
654 | /* block age extent_cache */ |
655 | struct { | |
656 | /* block age of the extent */ | |
657 | unsigned long long age; | |
658 | /* last total blocks allocated */ | |
659 | unsigned long long last_blocks; | |
660 | }; | |
e7547dac | 661 | }; |
13054c54 CY |
662 | }; |
663 | ||
664 | struct extent_node { | |
c0362117 CY |
665 | struct rb_node rb_node; /* rb node located in rb-tree */ |
666 | struct extent_info ei; /* extent info */ | |
13054c54 | 667 | struct list_head list; /* node in global extent list of sbi */ |
201ef5e0 | 668 | struct extent_tree *et; /* extent tree pointer */ |
13054c54 CY |
669 | }; |
670 | ||
671 | struct extent_tree { | |
672 | nid_t ino; /* inode number */ | |
e7547dac | 673 | enum extent_type type; /* keep the extent tree type */ |
4dada3fd | 674 | struct rb_root_cached root; /* root of extent info rb-tree */ |
62c8af65 | 675 | struct extent_node *cached_en; /* recently accessed extent node */ |
137d09f0 | 676 | struct list_head list; /* to be used by sbi->zombie_list */ |
13054c54 | 677 | rwlock_t lock; /* protect extent info rb-tree */ |
68e35385 | 678 | atomic_t node_cnt; /* # of extent node in rb-tree*/ |
b430f726 | 679 | bool largest_updated; /* largest extent updated */ |
e7547dac JK |
680 | struct extent_info largest; /* largest cached extent for EX_READ */ |
681 | }; | |
682 | ||
683 | struct extent_tree_info { | |
684 | struct radix_tree_root extent_tree_root;/* cache extent cache entries */ | |
685 | struct mutex extent_tree_lock; /* locking extent radix tree */ | |
686 | struct list_head extent_list; /* lru list for shrinker */ | |
687 | spinlock_t extent_lock; /* locking extent lru list */ | |
688 | atomic_t total_ext_tree; /* extent tree count */ | |
689 | struct list_head zombie_list; /* extent zombie tree list */ | |
690 | atomic_t total_zombie_tree; /* extent zombie tree count */ | |
691 | atomic_t total_ext_node; /* extent info count */ | |
39a53e0c JK |
692 | }; |
693 | ||
003a3e1d JK |
694 | /* |
695 | * This structure is taken from ext4_map_blocks. | |
696 | * | |
697 | * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks(). | |
698 | */ | |
699 | #define F2FS_MAP_NEW (1 << BH_New) | |
700 | #define F2FS_MAP_MAPPED (1 << BH_Mapped) | |
7f63eb77 JK |
701 | #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten) |
702 | #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\ | |
703 | F2FS_MAP_UNWRITTEN) | |
003a3e1d JK |
704 | |
705 | struct f2fs_map_blocks { | |
71f2c820 | 706 | struct block_device *m_bdev; /* for multi-device dio */ |
003a3e1d JK |
707 | block_t m_pblk; |
708 | block_t m_lblk; | |
709 | unsigned int m_len; | |
710 | unsigned int m_flags; | |
da85985c | 711 | pgoff_t *m_next_pgofs; /* point next possible non-hole pgofs */ |
c4020b2d | 712 | pgoff_t *m_next_extent; /* point to next possible extent */ |
d5097be5 | 713 | int m_seg_type; |
f9d6d059 | 714 | bool m_may_create; /* indicate it is from write path */ |
71f2c820 | 715 | bool m_multidev_dio; /* indicate it allows multi-device dio */ |
003a3e1d JK |
716 | }; |
717 | ||
e2b4e2bc | 718 | /* for flag in get_data_block */ |
f2220c7f QS |
719 | enum { |
720 | F2FS_GET_BLOCK_DEFAULT, | |
721 | F2FS_GET_BLOCK_FIEMAP, | |
722 | F2FS_GET_BLOCK_BMAP, | |
0a4daae5 | 723 | F2FS_GET_BLOCK_DIO, |
f2220c7f QS |
724 | F2FS_GET_BLOCK_PRE_DIO, |
725 | F2FS_GET_BLOCK_PRE_AIO, | |
c4020b2d | 726 | F2FS_GET_BLOCK_PRECACHE, |
f2220c7f | 727 | }; |
e2b4e2bc | 728 | |
39a53e0c JK |
729 | /* |
730 | * i_advise uses FADVISE_XXX_BIT. We can add additional hints later. | |
731 | */ | |
732 | #define FADVISE_COLD_BIT 0x01 | |
354a3399 | 733 | #define FADVISE_LOST_PINO_BIT 0x02 |
cde4de12 | 734 | #define FADVISE_ENCRYPT_BIT 0x04 |
e7d55452 | 735 | #define FADVISE_ENC_NAME_BIT 0x08 |
26787236 | 736 | #define FADVISE_KEEP_SIZE_BIT 0x10 |
b6a06cbb | 737 | #define FADVISE_HOT_BIT 0x20 |
95ae251f | 738 | #define FADVISE_VERITY_BIT 0x40 |
d4dd19ec | 739 | #define FADVISE_TRUNC_BIT 0x80 |
39a53e0c | 740 | |
797c1cb5 CY |
741 | #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT) |
742 | ||
b5492af7 | 743 | #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT) |
b5492af7 | 744 | #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT) |
b5492af7 | 745 | #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT) |
1153db09 CY |
746 | |
747 | #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT) | |
748 | #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT) | |
b5492af7 | 749 | #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT) |
1153db09 | 750 | |
cde4de12 JK |
751 | #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT) |
752 | #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT) | |
1153db09 | 753 | |
e7d55452 JK |
754 | #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT) |
755 | #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT) | |
1153db09 | 756 | |
26787236 JK |
757 | #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT) |
758 | #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT) | |
1153db09 | 759 | |
b6a06cbb CY |
760 | #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT) |
761 | #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT) | |
762 | #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT) | |
1153db09 | 763 | |
95ae251f EB |
764 | #define file_is_verity(inode) is_file(inode, FADVISE_VERITY_BIT) |
765 | #define file_set_verity(inode) set_file(inode, FADVISE_VERITY_BIT) | |
cde4de12 | 766 | |
d4dd19ec JK |
767 | #define file_should_truncate(inode) is_file(inode, FADVISE_TRUNC_BIT) |
768 | #define file_need_truncate(inode) set_file(inode, FADVISE_TRUNC_BIT) | |
769 | #define file_dont_truncate(inode) clear_file(inode, FADVISE_TRUNC_BIT) | |
770 | ||
ab9fa662 JK |
771 | #define DEF_DIR_LEVEL 0 |
772 | ||
2ef79ecb CY |
773 | enum { |
774 | GC_FAILURE_PIN, | |
2ef79ecb CY |
775 | MAX_GC_FAILURE |
776 | }; | |
777 | ||
7653b9d8 CY |
778 | /* used for f2fs_inode_info->flags */ |
779 | enum { | |
780 | FI_NEW_INODE, /* indicate newly allocated inode */ | |
781 | FI_DIRTY_INODE, /* indicate inode is dirty or not */ | |
782 | FI_AUTO_RECOVER, /* indicate inode is recoverable */ | |
783 | FI_DIRTY_DIR, /* indicate directory has dirty pages */ | |
784 | FI_INC_LINK, /* need to increment i_nlink */ | |
785 | FI_ACL_MODE, /* indicate acl mode */ | |
786 | FI_NO_ALLOC, /* should not allocate any blocks */ | |
787 | FI_FREE_NID, /* free allocated nide */ | |
788 | FI_NO_EXTENT, /* not to use the extent cache */ | |
789 | FI_INLINE_XATTR, /* used for inline xattr */ | |
790 | FI_INLINE_DATA, /* used for inline data*/ | |
791 | FI_INLINE_DENTRY, /* used for inline dentry */ | |
792 | FI_APPEND_WRITE, /* inode has appended data */ | |
793 | FI_UPDATE_WRITE, /* inode has in-place-update data */ | |
794 | FI_NEED_IPU, /* used for ipu per file */ | |
795 | FI_ATOMIC_FILE, /* indicate atomic file */ | |
7653b9d8 CY |
796 | FI_FIRST_BLOCK_WRITTEN, /* indicate #0 data block was written */ |
797 | FI_DROP_CACHE, /* drop dirty page cache */ | |
798 | FI_DATA_EXIST, /* indicate data exists */ | |
799 | FI_INLINE_DOTS, /* indicate inline dot dentries */ | |
1018a546 CY |
800 | FI_SKIP_WRITES, /* should skip data page writeback */ |
801 | FI_OPU_WRITE, /* used for opu per file */ | |
7653b9d8 | 802 | FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */ |
3d697a4a | 803 | FI_PREALLOCATED_ALL, /* all blocks for write were preallocated */ |
7653b9d8 CY |
804 | FI_HOT_DATA, /* indicate file is hot */ |
805 | FI_EXTRA_ATTR, /* indicate file has extra attribute */ | |
806 | FI_PROJ_INHERIT, /* indicate file inherits projectid */ | |
807 | FI_PIN_FILE, /* indicate file should not be gced */ | |
7653b9d8 CY |
808 | FI_VERITY_IN_PROGRESS, /* building fs-verity Merkle tree */ |
809 | FI_COMPRESSED_FILE, /* indicate file's data can be compressed */ | |
b28f047b | 810 | FI_COMPRESS_CORRUPT, /* indicate compressed cluster is corrupted */ |
7653b9d8 | 811 | FI_MMAP_FILE, /* indicate file was mmapped */ |
602a16d5 | 812 | FI_ENABLE_COMPRESS, /* enable compression in "user" compression mode */ |
c6140415 | 813 | FI_COMPRESS_RELEASED, /* compressed blocks were released */ |
859fca6b | 814 | FI_ALIGNED_WRITE, /* enable aligned write */ |
4a2c5b79 | 815 | FI_COW_FILE, /* indicate COW file */ |
4d8d45df | 816 | FI_ATOMIC_COMMITTED, /* indicate atomic commit completed except disk sync */ |
41e8f85a | 817 | FI_ATOMIC_REPLACE, /* indicate atomic replace */ |
7653b9d8 CY |
818 | FI_MAX, /* max flag, never be used */ |
819 | }; | |
820 | ||
39a53e0c JK |
821 | struct f2fs_inode_info { |
822 | struct inode vfs_inode; /* serve a vfs inode */ | |
823 | unsigned long i_flags; /* keep an inode flags for ioctl */ | |
824 | unsigned char i_advise; /* use to give file attribute hints */ | |
38431545 | 825 | unsigned char i_dir_level; /* use for dentry level for large dir */ |
2ef79ecb CY |
826 | unsigned int i_current_depth; /* only for directory depth */ |
827 | /* for gc failure statistic */ | |
828 | unsigned int i_gc_failures[MAX_GC_FAILURE]; | |
6666e6aa | 829 | unsigned int i_pino; /* parent inode number */ |
39a53e0c JK |
830 | umode_t i_acl_mode; /* keep file acl mode temporarily */ |
831 | ||
832 | /* Use below internally in f2fs*/ | |
7653b9d8 | 833 | unsigned long flags[BITS_TO_LONGS(FI_MAX)]; /* use to pass per-file flags */ |
e4544b63 | 834 | struct f2fs_rwsem i_sem; /* protect fi info */ |
204706c7 | 835 | atomic_t dirty_pages; /* # of dirty pages */ |
39a53e0c JK |
836 | f2fs_hash_t chash; /* hash value of given file name */ |
837 | unsigned int clevel; /* maximum level of given file name */ | |
88c5c13a | 838 | struct task_struct *task; /* lookup and create consistency */ |
b0af6d49 | 839 | struct task_struct *cp_task; /* separate cp/wb IO stats*/ |
d80afefb | 840 | struct task_struct *wb_task; /* indicate inode is in context of writeback */ |
39a53e0c | 841 | nid_t i_xattr_nid; /* node id that contains xattrs */ |
26de9b11 | 842 | loff_t last_disk_size; /* lastly written file size */ |
c10c9820 | 843 | spinlock_t i_size_lock; /* protect last_disk_size */ |
88b88a66 | 844 | |
0abd675e CY |
845 | #ifdef CONFIG_QUOTA |
846 | struct dquot *i_dquot[MAXQUOTAS]; | |
847 | ||
848 | /* quota space reservation, managed internally by quota code */ | |
849 | qsize_t i_reserved_quota; | |
850 | #endif | |
0f18b462 JK |
851 | struct list_head dirty_list; /* dirty list for dirs and files */ |
852 | struct list_head gdirty_list; /* linked in global dirty list */ | |
3db1de0e | 853 | struct task_struct *atomic_write_task; /* store atomic write task */ |
e7547dac JK |
854 | struct extent_tree *extent_tree[NR_EXTENT_CACHES]; |
855 | /* cached extent_tree entry */ | |
3db1de0e | 856 | struct inode *cow_inode; /* copy-on-write inode for atomic write */ |
b2532c69 CY |
857 | |
858 | /* avoid racing between foreground op and gc */ | |
e4544b63 TM |
859 | struct f2fs_rwsem i_gc_rwsem[2]; |
860 | struct f2fs_rwsem i_xattr_sem; /* avoid racing between reading and changing EAs */ | |
f2470371 | 861 | |
7a2af766 | 862 | int i_extra_isize; /* size of extra space located in i_addr */ |
5c57132e | 863 | kprojid_t i_projid; /* id for project quota */ |
6afc662e | 864 | int i_inline_xattr_size; /* inline xattr size */ |
24b81dfc AB |
865 | struct timespec64 i_crtime; /* inode creation time */ |
866 | struct timespec64 i_disk_time[4];/* inode disk times */ | |
4c8ff709 CY |
867 | |
868 | /* for file compress */ | |
c2759eba | 869 | atomic_t i_compr_blocks; /* # of compressed blocks */ |
4c8ff709 CY |
870 | unsigned char i_compress_algorithm; /* algorithm type */ |
871 | unsigned char i_log_cluster_size; /* log of cluster size */ | |
3fde13f8 | 872 | unsigned char i_compress_level; /* compress level (lz4hc,zstd) */ |
b28f047b | 873 | unsigned short i_compress_flag; /* compress flag */ |
4c8ff709 | 874 | unsigned int i_cluster_size; /* cluster size */ |
f8e2f32b DJ |
875 | |
876 | unsigned int atomic_write_cnt; | |
4d8d45df | 877 | loff_t original_i_size; /* original i_size before atomic write */ |
39a53e0c JK |
878 | }; |
879 | ||
12607c1b | 880 | static inline void get_read_extent_info(struct extent_info *ext, |
bd933d4f | 881 | struct f2fs_extent *i_ext) |
39a53e0c | 882 | { |
bd933d4f CY |
883 | ext->fofs = le32_to_cpu(i_ext->fofs); |
884 | ext->blk = le32_to_cpu(i_ext->blk); | |
885 | ext->len = le32_to_cpu(i_ext->len); | |
39a53e0c JK |
886 | } |
887 | ||
12607c1b | 888 | static inline void set_raw_read_extent(struct extent_info *ext, |
39a53e0c JK |
889 | struct f2fs_extent *i_ext) |
890 | { | |
39a53e0c | 891 | i_ext->fofs = cpu_to_le32(ext->fofs); |
4d0b0bd4 | 892 | i_ext->blk = cpu_to_le32(ext->blk); |
39a53e0c | 893 | i_ext->len = cpu_to_le32(ext->len); |
39a53e0c JK |
894 | } |
895 | ||
004b6862 | 896 | static inline bool __is_discard_mergeable(struct discard_info *back, |
35ec7d57 | 897 | struct discard_info *front, unsigned int max_len) |
004b6862 | 898 | { |
9a997188 | 899 | return (back->lstart + back->len == front->lstart) && |
35ec7d57 | 900 | (back->len + front->len <= max_len); |
004b6862 CY |
901 | } |
902 | ||
903 | static inline bool __is_discard_back_mergeable(struct discard_info *cur, | |
35ec7d57 | 904 | struct discard_info *back, unsigned int max_len) |
004b6862 | 905 | { |
35ec7d57 | 906 | return __is_discard_mergeable(back, cur, max_len); |
004b6862 CY |
907 | } |
908 | ||
909 | static inline bool __is_discard_front_mergeable(struct discard_info *cur, | |
35ec7d57 | 910 | struct discard_info *front, unsigned int max_len) |
004b6862 | 911 | { |
35ec7d57 | 912 | return __is_discard_mergeable(cur, front, max_len); |
004b6862 CY |
913 | } |
914 | ||
9a4ffdf5 CY |
915 | /* |
916 | * For free nid management | |
917 | */ | |
918 | enum nid_state { | |
919 | FREE_NID, /* newly added to free nid list */ | |
920 | PREALLOC_NID, /* it is preallocated */ | |
921 | MAX_NID_STATE, | |
b8559dc2 CY |
922 | }; |
923 | ||
a95ba66a JK |
924 | enum nat_state { |
925 | TOTAL_NAT, | |
926 | DIRTY_NAT, | |
927 | RECLAIMABLE_NAT, | |
928 | MAX_NAT_STATE, | |
929 | }; | |
930 | ||
39a53e0c JK |
931 | struct f2fs_nm_info { |
932 | block_t nat_blkaddr; /* base disk address of NAT */ | |
933 | nid_t max_nid; /* maximum possible node ids */ | |
04d47e67 | 934 | nid_t available_nids; /* # of available node ids */ |
39a53e0c | 935 | nid_t next_scan_nid; /* the next nid to be scanned */ |
47c8ebcc | 936 | nid_t max_rf_node_blocks; /* max # of nodes for recovery */ |
cdfc41c1 | 937 | unsigned int ram_thresh; /* control the memory footprint */ |
ea1a29a0 | 938 | unsigned int ra_nid_pages; /* # of nid pages to be readaheaded */ |
2304cb0c | 939 | unsigned int dirty_nats_ratio; /* control dirty nats ratio threshold */ |
39a53e0c JK |
940 | |
941 | /* NAT cache management */ | |
942 | struct radix_tree_root nat_root;/* root of the nat entry cache */ | |
309cc2b6 | 943 | struct radix_tree_root nat_set_root;/* root of the nat set cache */ |
e4544b63 | 944 | struct f2fs_rwsem nat_tree_lock; /* protect nat entry tree */ |
39a53e0c | 945 | struct list_head nat_entries; /* cached nat entry list (clean) */ |
22969158 | 946 | spinlock_t nat_list_lock; /* protect clean nat entry list */ |
a95ba66a | 947 | unsigned int nat_cnt[MAX_NAT_STATE]; /* the # of cached nat entries */ |
22ad0b6a | 948 | unsigned int nat_blocks; /* # of nat blocks */ |
39a53e0c JK |
949 | |
950 | /* free node ids management */ | |
8a7ed66a | 951 | struct radix_tree_root free_nid_root;/* root of the free_nid cache */ |
9a4ffdf5 CY |
952 | struct list_head free_nid_list; /* list for free nids excluding preallocated nids */ |
953 | unsigned int nid_cnt[MAX_NID_STATE]; /* the number of free node id */ | |
b8559dc2 | 954 | spinlock_t nid_list_lock; /* protect nid lists ops */ |
39a53e0c | 955 | struct mutex build_lock; /* lock for build free nids */ |
bb1105e4 | 956 | unsigned char **free_nid_bitmap; |
4ac91242 | 957 | unsigned char *nat_block_bitmap; |
586d1492 | 958 | unsigned short *free_nid_count; /* free nid count of NAT block */ |
39a53e0c JK |
959 | |
960 | /* for checkpoint */ | |
961 | char *nat_bitmap; /* NAT bitmap pointer */ | |
22ad0b6a JK |
962 | |
963 | unsigned int nat_bits_blocks; /* # of nat bits blocks */ | |
964 | unsigned char *nat_bits; /* NAT bits blocks */ | |
965 | unsigned char *full_nat_bits; /* full NAT pages */ | |
966 | unsigned char *empty_nat_bits; /* empty NAT pages */ | |
599a09b2 CY |
967 | #ifdef CONFIG_F2FS_CHECK_FS |
968 | char *nat_bitmap_mir; /* NAT bitmap mirror */ | |
969 | #endif | |
39a53e0c JK |
970 | int bitmap_size; /* bitmap size */ |
971 | }; | |
972 | ||
973 | /* | |
974 | * this structure is used as one of function parameters. | |
975 | * all the information are dedicated to a given direct node block determined | |
976 | * by the data offset in a file. | |
977 | */ | |
978 | struct dnode_of_data { | |
979 | struct inode *inode; /* vfs inode pointer */ | |
980 | struct page *inode_page; /* its inode page, NULL is possible */ | |
981 | struct page *node_page; /* cached direct node page */ | |
982 | nid_t nid; /* node id of the direct node block */ | |
983 | unsigned int ofs_in_node; /* data offset in the node page */ | |
984 | bool inode_page_locked; /* inode page is locked or not */ | |
93bae099 | 985 | bool node_changed; /* is node block changed */ |
3cf45747 CY |
986 | char cur_level; /* level of hole node page */ |
987 | char max_level; /* level of current page located */ | |
39a53e0c JK |
988 | block_t data_blkaddr; /* block address of the node block */ |
989 | }; | |
990 | ||
991 | static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode, | |
992 | struct page *ipage, struct page *npage, nid_t nid) | |
993 | { | |
d66d1f76 | 994 | memset(dn, 0, sizeof(*dn)); |
39a53e0c JK |
995 | dn->inode = inode; |
996 | dn->inode_page = ipage; | |
997 | dn->node_page = npage; | |
998 | dn->nid = nid; | |
39a53e0c JK |
999 | } |
1000 | ||
1001 | /* | |
1002 | * For SIT manager | |
1003 | * | |
1004 | * By default, there are 6 active log areas across the whole main area. | |
1005 | * When considering hot and cold data separation to reduce cleaning overhead, | |
1006 | * we split 3 for data logs and 3 for node logs as hot, warm, and cold types, | |
1007 | * respectively. | |
1008 | * In the current design, you should not change the numbers intentionally. | |
1009 | * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6 | |
1010 | * logs individually according to the underlying devices. (default: 6) | |
1011 | * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for | |
1012 | * data and 8 for node logs. | |
1013 | */ | |
1014 | #define NR_CURSEG_DATA_TYPE (3) | |
1015 | #define NR_CURSEG_NODE_TYPE (3) | |
093749e2 | 1016 | #define NR_CURSEG_INMEM_TYPE (2) |
a7d9fe3c | 1017 | #define NR_CURSEG_RO_TYPE (2) |
d0b9e42a CY |
1018 | #define NR_CURSEG_PERSIST_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE) |
1019 | #define NR_CURSEG_TYPE (NR_CURSEG_INMEM_TYPE + NR_CURSEG_PERSIST_TYPE) | |
39a53e0c JK |
1020 | |
1021 | enum { | |
1022 | CURSEG_HOT_DATA = 0, /* directory entry blocks */ | |
1023 | CURSEG_WARM_DATA, /* data blocks */ | |
1024 | CURSEG_COLD_DATA, /* multimedia or GCed data blocks */ | |
1025 | CURSEG_HOT_NODE, /* direct node blocks of directory files */ | |
1026 | CURSEG_WARM_NODE, /* direct node blocks of normal files */ | |
1027 | CURSEG_COLD_NODE, /* indirect node blocks */ | |
d0b9e42a CY |
1028 | NR_PERSISTENT_LOG, /* number of persistent log */ |
1029 | CURSEG_COLD_DATA_PINNED = NR_PERSISTENT_LOG, | |
1030 | /* pinned file that needs consecutive block address */ | |
093749e2 | 1031 | CURSEG_ALL_DATA_ATGC, /* SSR alloctor in hot/warm/cold data area */ |
d0b9e42a | 1032 | NO_CHECK_TYPE, /* number of persistent & inmem log */ |
39a53e0c JK |
1033 | }; |
1034 | ||
6b4afdd7 | 1035 | struct flush_cmd { |
6b4afdd7 | 1036 | struct completion wait; |
721bd4d5 | 1037 | struct llist_node llnode; |
39d787be | 1038 | nid_t ino; |
6b4afdd7 JK |
1039 | int ret; |
1040 | }; | |
1041 | ||
a688b9d9 GZ |
1042 | struct flush_cmd_control { |
1043 | struct task_struct *f2fs_issue_flush; /* flush thread */ | |
1044 | wait_queue_head_t flush_wait_queue; /* waiting queue for wake-up */ | |
8b8dd65f | 1045 | atomic_t issued_flush; /* # of issued flushes */ |
72691af6 | 1046 | atomic_t queued_flush; /* # of queued flushes */ |
721bd4d5 GZ |
1047 | struct llist_head issue_list; /* list for command issue */ |
1048 | struct llist_node *dispatch_list; /* list for command dispatch */ | |
a688b9d9 GZ |
1049 | }; |
1050 | ||
39a53e0c JK |
1051 | struct f2fs_sm_info { |
1052 | struct sit_info *sit_info; /* whole segment information */ | |
1053 | struct free_segmap_info *free_info; /* free segment information */ | |
1054 | struct dirty_seglist_info *dirty_info; /* dirty segment information */ | |
1055 | struct curseg_info *curseg_array; /* active segment information */ | |
1056 | ||
e4544b63 | 1057 | struct f2fs_rwsem curseg_lock; /* for preventing curseg change */ |
2b60311d | 1058 | |
39a53e0c JK |
1059 | block_t seg0_blkaddr; /* block address of 0'th segment */ |
1060 | block_t main_blkaddr; /* start block address of main area */ | |
1061 | block_t ssa_blkaddr; /* start block address of SSA area */ | |
1062 | ||
1063 | unsigned int segment_count; /* total # of segments */ | |
1064 | unsigned int main_segments; /* # of segments in main area */ | |
1065 | unsigned int reserved_segments; /* # of reserved segments */ | |
300a8429 | 1066 | unsigned int additional_reserved_segments;/* reserved segs for IO align feature */ |
39a53e0c | 1067 | unsigned int ovp_segments; /* # of overprovision segments */ |
81eb8d6e JK |
1068 | |
1069 | /* a threshold to reclaim prefree segments */ | |
1070 | unsigned int rec_prefree_segments; | |
7fd9e544 | 1071 | |
184a5cd2 CY |
1072 | struct list_head sit_entry_set; /* sit entry set list */ |
1073 | ||
216fbd64 JK |
1074 | unsigned int ipu_policy; /* in-place-update policy */ |
1075 | unsigned int min_ipu_util; /* in-place-update threshold */ | |
c1ce1b02 | 1076 | unsigned int min_fsync_blocks; /* threshold for fsync */ |
853137ce | 1077 | unsigned int min_seq_blocks; /* threshold for sequential blocks */ |
ef095d19 | 1078 | unsigned int min_hot_blocks; /* threshold for hot block allocation */ |
a2a12b67 | 1079 | unsigned int min_ssr_sections; /* threshold to trigger SSR allocation */ |
6b4afdd7 JK |
1080 | |
1081 | /* for flush command control */ | |
b01a9201 | 1082 | struct flush_cmd_control *fcc_info; |
a688b9d9 | 1083 | |
0b54fb84 JK |
1084 | /* for discard command control */ |
1085 | struct discard_cmd_control *dcc_info; | |
39a53e0c JK |
1086 | }; |
1087 | ||
39a53e0c JK |
1088 | /* |
1089 | * For superblock | |
1090 | */ | |
1091 | /* | |
1092 | * COUNT_TYPE for monitoring | |
1093 | * | |
1094 | * f2fs monitors the number of several block types such as on-writeback, | |
1095 | * dirty dentry blocks, dirty node blocks, and dirty meta blocks. | |
1096 | */ | |
36951b38 | 1097 | #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA) |
39a53e0c | 1098 | enum count_type { |
39a53e0c | 1099 | F2FS_DIRTY_DENTS, |
c227f912 | 1100 | F2FS_DIRTY_DATA, |
2c8a4a28 | 1101 | F2FS_DIRTY_QDATA, |
39a53e0c JK |
1102 | F2FS_DIRTY_NODES, |
1103 | F2FS_DIRTY_META, | |
0f18b462 | 1104 | F2FS_DIRTY_IMETA, |
36951b38 CY |
1105 | F2FS_WB_CP_DATA, |
1106 | F2FS_WB_DATA, | |
5f9abab4 JK |
1107 | F2FS_RD_DATA, |
1108 | F2FS_RD_NODE, | |
1109 | F2FS_RD_META, | |
02b16d0a CY |
1110 | F2FS_DIO_WRITE, |
1111 | F2FS_DIO_READ, | |
39a53e0c JK |
1112 | NR_COUNT_TYPE, |
1113 | }; | |
1114 | ||
39a53e0c | 1115 | /* |
e1c42045 | 1116 | * The below are the page types of bios used in submit_bio(). |
39a53e0c JK |
1117 | * The available types are: |
1118 | * DATA User data pages. It operates as async mode. | |
1119 | * NODE Node pages. It operates as async mode. | |
1120 | * META FS metadata pages such as SIT, NAT, CP. | |
1121 | * NR_PAGE_TYPE The number of page types. | |
1122 | * META_FLUSH Make sure the previous pages are written | |
1123 | * with waiting the bio's completion | |
1124 | * ... Only can be used with META. | |
1125 | */ | |
7d5e5109 | 1126 | #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type)) |
39a53e0c | 1127 | enum page_type { |
6b8beca0 CY |
1128 | DATA = 0, |
1129 | NODE = 1, /* should not change this */ | |
39a53e0c JK |
1130 | META, |
1131 | NR_PAGE_TYPE, | |
1132 | META_FLUSH, | |
3db1de0e | 1133 | IPU, /* the below types are used by tracepoints only. */ |
8ce67cb0 | 1134 | OPU, |
39a53e0c JK |
1135 | }; |
1136 | ||
a912b54d JK |
1137 | enum temp_type { |
1138 | HOT = 0, /* must be zero for meta bio */ | |
1139 | WARM, | |
1140 | COLD, | |
1141 | NR_TEMP_TYPE, | |
1142 | }; | |
1143 | ||
cc15620b JK |
1144 | enum need_lock_type { |
1145 | LOCK_REQ = 0, | |
1146 | LOCK_DONE, | |
1147 | LOCK_RETRY, | |
1148 | }; | |
1149 | ||
a5fd5050 CY |
1150 | enum cp_reason_type { |
1151 | CP_NO_NEEDED, | |
1152 | CP_NON_REGULAR, | |
4c8ff709 | 1153 | CP_COMPRESSED, |
a5fd5050 CY |
1154 | CP_HARDLINK, |
1155 | CP_SB_NEED_CP, | |
1156 | CP_WRONG_PINO, | |
1157 | CP_NO_SPC_ROLL, | |
1158 | CP_NODE_NEED_CP, | |
1159 | CP_FASTBOOT_MODE, | |
1160 | CP_SPEC_LOG_NUM, | |
0a007b97 | 1161 | CP_RECOVER_DIR, |
a5fd5050 CY |
1162 | }; |
1163 | ||
b0af6d49 | 1164 | enum iostat_type { |
8b83ac81 CY |
1165 | /* WRITE IO */ |
1166 | APP_DIRECT_IO, /* app direct write IOs */ | |
1167 | APP_BUFFERED_IO, /* app buffered write IOs */ | |
b0af6d49 CY |
1168 | APP_WRITE_IO, /* app write IOs */ |
1169 | APP_MAPPED_IO, /* app mapped IOs */ | |
34a23525 CY |
1170 | APP_BUFFERED_CDATA_IO, /* app buffered write IOs on compressed file */ |
1171 | APP_MAPPED_CDATA_IO, /* app mapped write IOs on compressed file */ | |
b0af6d49 | 1172 | FS_DATA_IO, /* data IOs from kworker/fsync/reclaimer */ |
34a23525 | 1173 | FS_CDATA_IO, /* data IOs from kworker/fsync/reclaimer on compressed file */ |
b0af6d49 CY |
1174 | FS_NODE_IO, /* node IOs from kworker/fsync/reclaimer */ |
1175 | FS_META_IO, /* meta IOs from kworker/reclaimer */ | |
1176 | FS_GC_DATA_IO, /* data IOs from forground gc */ | |
1177 | FS_GC_NODE_IO, /* node IOs from forground gc */ | |
1178 | FS_CP_DATA_IO, /* data IOs from checkpoint */ | |
1179 | FS_CP_NODE_IO, /* node IOs from checkpoint */ | |
1180 | FS_CP_META_IO, /* meta IOs from checkpoint */ | |
8b83ac81 CY |
1181 | |
1182 | /* READ IO */ | |
1183 | APP_DIRECT_READ_IO, /* app direct read IOs */ | |
1184 | APP_BUFFERED_READ_IO, /* app buffered read IOs */ | |
1185 | APP_READ_IO, /* app read IOs */ | |
1186 | APP_MAPPED_READ_IO, /* app mapped read IOs */ | |
34a23525 CY |
1187 | APP_BUFFERED_CDATA_READ_IO, /* app buffered read IOs on compressed file */ |
1188 | APP_MAPPED_CDATA_READ_IO, /* app mapped read IOs on compressed file */ | |
8b83ac81 | 1189 | FS_DATA_READ_IO, /* data read IOs */ |
9c122384 CY |
1190 | FS_GDATA_READ_IO, /* data read IOs from background gc */ |
1191 | FS_CDATA_READ_IO, /* compressed data read IOs */ | |
8b83ac81 CY |
1192 | FS_NODE_READ_IO, /* node read IOs */ |
1193 | FS_META_READ_IO, /* meta read IOs */ | |
1194 | ||
1195 | /* other */ | |
b0af6d49 CY |
1196 | FS_DISCARD, /* discard */ |
1197 | NR_IO_TYPE, | |
1198 | }; | |
1199 | ||
458e6197 | 1200 | struct f2fs_io_info { |
05ca3632 | 1201 | struct f2fs_sb_info *sbi; /* f2fs_sb_info pointer */ |
39d787be | 1202 | nid_t ino; /* inode number */ |
7e8f2308 | 1203 | enum page_type type; /* contains DATA/NODE/META/META_FLUSH */ |
a912b54d | 1204 | enum temp_type temp; /* contains HOT/WARM/COLD */ |
7649c873 BVA |
1205 | enum req_op op; /* contains REQ_OP_ */ |
1206 | blk_opf_t op_flags; /* req_flag_bits */ | |
7a9d7548 | 1207 | block_t new_blkaddr; /* new block address to be written */ |
28bc106b | 1208 | block_t old_blkaddr; /* old block address before Cow */ |
05ca3632 | 1209 | struct page *page; /* page to be written */ |
4375a336 | 1210 | struct page *encrypted_page; /* encrypted page */ |
4c8ff709 | 1211 | struct page *compressed_page; /* compressed page */ |
fb830fc5 | 1212 | struct list_head list; /* serialize IOs */ |
d68f735b | 1213 | bool submitted; /* indicate IO submission */ |
cc15620b | 1214 | int need_lock; /* indicate we need to lock cp_rwsem */ |
fb830fc5 | 1215 | bool in_list; /* indicate fio is in io_list */ |
6dc3a126 | 1216 | bool is_por; /* indicate IO is from recovery or not */ |
fe16efe6 | 1217 | bool retry; /* need to reallocate block address */ |
4c8ff709 CY |
1218 | int compr_blocks; /* # of compressed block addresses */ |
1219 | bool encrypted; /* indicate file is encrypted */ | |
0d5b9d81 | 1220 | bool post_read; /* require post read */ |
b0af6d49 | 1221 | enum iostat_type io_type; /* io type */ |
578c6478 | 1222 | struct writeback_control *io_wbc; /* writeback control */ |
8648de2c CY |
1223 | struct bio **bio; /* bio for ipu */ |
1224 | sector_t *last_block; /* last block number in bio */ | |
7735730d | 1225 | unsigned char version; /* version of the node */ |
458e6197 JK |
1226 | }; |
1227 | ||
0b20fcec CY |
1228 | struct bio_entry { |
1229 | struct bio *bio; | |
1230 | struct list_head list; | |
1231 | }; | |
1232 | ||
68afcf2d | 1233 | #define is_read_io(rw) ((rw) == READ) |
1ff7bd3b | 1234 | struct f2fs_bio_info { |
458e6197 | 1235 | struct f2fs_sb_info *sbi; /* f2fs superblock */ |
1ff7bd3b JK |
1236 | struct bio *bio; /* bios to merge */ |
1237 | sector_t last_block_in_bio; /* last block number */ | |
458e6197 | 1238 | struct f2fs_io_info fio; /* store buffered io info. */ |
e4544b63 | 1239 | struct f2fs_rwsem io_rwsem; /* blocking op for bio */ |
fb830fc5 CY |
1240 | spinlock_t io_lock; /* serialize DATA/NODE IOs */ |
1241 | struct list_head io_list; /* track fios */ | |
0b20fcec | 1242 | struct list_head bio_list; /* bio entry list head */ |
e4544b63 | 1243 | struct f2fs_rwsem bio_list_lock; /* lock to protect bio entry list */ |
1ff7bd3b JK |
1244 | }; |
1245 | ||
3c62be17 JK |
1246 | #define FDEV(i) (sbi->devs[i]) |
1247 | #define RDEV(i) (raw_super->devs[i]) | |
1248 | struct f2fs_dev_info { | |
1249 | struct block_device *bdev; | |
1250 | char path[MAX_PATH_LEN]; | |
1251 | unsigned int total_segments; | |
1252 | block_t start_blk; | |
1253 | block_t end_blk; | |
1254 | #ifdef CONFIG_BLK_DEV_ZONED | |
95175daf DLM |
1255 | unsigned int nr_blkz; /* Total number of zones */ |
1256 | unsigned long *blkz_seq; /* Bitmap indicating sequential zones */ | |
3c62be17 JK |
1257 | #endif |
1258 | }; | |
1259 | ||
c227f912 CY |
1260 | enum inode_type { |
1261 | DIR_INODE, /* for dirty dir inode */ | |
1262 | FILE_INODE, /* for dirty regular/symlink inode */ | |
0f18b462 | 1263 | DIRTY_META, /* for all dirtied inode metadata */ |
c227f912 CY |
1264 | NR_INODE_TYPE, |
1265 | }; | |
1266 | ||
67298804 CY |
1267 | /* for inner inode cache management */ |
1268 | struct inode_management { | |
1269 | struct radix_tree_root ino_root; /* ino entry array */ | |
1270 | spinlock_t ino_lock; /* for ino entry lock */ | |
1271 | struct list_head ino_list; /* inode list head */ | |
1272 | unsigned long ino_num; /* number of entries */ | |
1273 | }; | |
1274 | ||
093749e2 CY |
1275 | /* for GC_AT */ |
1276 | struct atgc_management { | |
1277 | bool atgc_enabled; /* ATGC is enabled or not */ | |
1278 | struct rb_root_cached root; /* root of victim rb-tree */ | |
1279 | struct list_head victim_list; /* linked with all victim entries */ | |
1280 | unsigned int victim_count; /* victim count in rb-tree */ | |
1281 | unsigned int candidate_ratio; /* candidate ratio */ | |
1282 | unsigned int max_candidate_count; /* max candidate count */ | |
1283 | unsigned int age_weight; /* age weight, vblock_weight = 100 - age_weight */ | |
1284 | unsigned long long age_threshold; /* age threshold */ | |
1285 | }; | |
1286 | ||
d147ea4a JK |
1287 | struct f2fs_gc_control { |
1288 | unsigned int victim_segno; /* target victim segment number */ | |
1289 | int init_gc_type; /* FG_GC or BG_GC */ | |
1290 | bool no_bg_gc; /* check the space and stop bg_gc */ | |
1291 | bool should_migrate_blocks; /* should migrate blocks */ | |
1292 | bool err_gc_skipped; /* return EAGAIN if GC skipped */ | |
c81d5bae | 1293 | unsigned int nr_free_secs; /* # of free sections to do GC */ |
d147ea4a JK |
1294 | }; |
1295 | ||
caf0047e CY |
1296 | /* For s_flag in struct f2fs_sb_info */ |
1297 | enum { | |
1298 | SBI_IS_DIRTY, /* dirty flag for checkpoint */ | |
1299 | SBI_IS_CLOSE, /* specify unmounting */ | |
1300 | SBI_NEED_FSCK, /* need fsck.f2fs to fix */ | |
1301 | SBI_POR_DOING, /* recovery is doing or not */ | |
df728b0f | 1302 | SBI_NEED_SB_WRITE, /* need to recover superblock */ |
bbf156f7 | 1303 | SBI_NEED_CP, /* need to checkpoint */ |
83a3bfdb | 1304 | SBI_IS_SHUTDOWN, /* shutdown by ioctl */ |
1378752b | 1305 | SBI_IS_RECOVERED, /* recovered orphan/data */ |
4354994f | 1306 | SBI_CP_DISABLED, /* CP was disabled last mount */ |
db610a64 | 1307 | SBI_CP_DISABLED_QUICK, /* CP was disabled quickly */ |
af033b2a CY |
1308 | SBI_QUOTA_NEED_FLUSH, /* need to flush quota info in CP */ |
1309 | SBI_QUOTA_SKIP_FLUSH, /* skip flushing quota in current CP */ | |
1310 | SBI_QUOTA_NEED_REPAIR, /* quota file may be corrupted */ | |
04f0b2ea | 1311 | SBI_IS_RESIZEFS, /* resizefs is in process */ |
ba900534 | 1312 | SBI_IS_FREEZING, /* freezefs is in process */ |
caf0047e CY |
1313 | }; |
1314 | ||
6beceb54 JK |
1315 | enum { |
1316 | CP_TIME, | |
d0239e1b | 1317 | REQ_TIME, |
a7d10cf3 ST |
1318 | DISCARD_TIME, |
1319 | GC_TIME, | |
4354994f | 1320 | DISABLE_TIME, |
03f2c02d | 1321 | UMOUNT_DISCARD_TIMEOUT, |
6beceb54 JK |
1322 | MAX_TIME, |
1323 | }; | |
1324 | ||
a3951cd1 | 1325 | /* Note that you need to keep synchronization with this gc_mode_names array */ |
5b0e9539 JK |
1326 | enum { |
1327 | GC_NORMAL, | |
1328 | GC_IDLE_CB, | |
1329 | GC_IDLE_GREEDY, | |
093749e2 | 1330 | GC_IDLE_AT, |
0e5e8111 DJ |
1331 | GC_URGENT_HIGH, |
1332 | GC_URGENT_LOW, | |
d98af5f4 | 1333 | GC_URGENT_MID, |
07c6b593 | 1334 | MAX_GC_MODE, |
5b0e9539 JK |
1335 | }; |
1336 | ||
bbbc34fd CY |
1337 | enum { |
1338 | BGGC_MODE_ON, /* background gc is on */ | |
1339 | BGGC_MODE_OFF, /* background gc is off */ | |
1340 | BGGC_MODE_SYNC, /* | |
1341 | * background gc is on, migrating blocks | |
1342 | * like foreground gc | |
1343 | */ | |
1344 | }; | |
1345 | ||
b0332a0f | 1346 | enum { |
6691d940 DJ |
1347 | FS_MODE_ADAPTIVE, /* use both lfs/ssr allocation */ |
1348 | FS_MODE_LFS, /* use lfs allocation only */ | |
1349 | FS_MODE_FRAGMENT_SEG, /* segment fragmentation mode */ | |
1350 | FS_MODE_FRAGMENT_BLK, /* block fragmentation mode */ | |
b0332a0f CY |
1351 | }; |
1352 | ||
07939627 JK |
1353 | enum { |
1354 | ALLOC_MODE_DEFAULT, /* stay default */ | |
1355 | ALLOC_MODE_REUSE, /* reuse segments as much as possible */ | |
1356 | }; | |
1357 | ||
93cf93f1 JZ |
1358 | enum fsync_mode { |
1359 | FSYNC_MODE_POSIX, /* fsync follows posix semantics */ | |
1360 | FSYNC_MODE_STRICT, /* fsync behaves in line with ext4 */ | |
d6290814 | 1361 | FSYNC_MODE_NOBARRIER, /* fsync behaves nobarrier based on posix */ |
93cf93f1 JZ |
1362 | }; |
1363 | ||
602a16d5 DJ |
1364 | enum { |
1365 | COMPR_MODE_FS, /* | |
1366 | * automatically compress compression | |
1367 | * enabled files | |
1368 | */ | |
1369 | COMPR_MODE_USER, /* | |
1370 | * automatical compression is disabled. | |
1371 | * user can control the file compression | |
1372 | * using ioctls | |
1373 | */ | |
1374 | }; | |
1375 | ||
4f993264 CY |
1376 | enum { |
1377 | DISCARD_UNIT_BLOCK, /* basic discard unit is block */ | |
1378 | DISCARD_UNIT_SEGMENT, /* basic discard unit is segment */ | |
1379 | DISCARD_UNIT_SECTION, /* basic discard unit is section */ | |
1380 | }; | |
1381 | ||
7a8fc586 DJ |
1382 | enum { |
1383 | MEMORY_MODE_NORMAL, /* memory mode for normal devices */ | |
1384 | MEMORY_MODE_LOW, /* memory mode for low memry devices */ | |
1385 | }; | |
1386 | ||
1387 | ||
1388 | ||
b763f3be CY |
1389 | static inline int f2fs_test_bit(unsigned int nr, char *addr); |
1390 | static inline void f2fs_set_bit(unsigned int nr, char *addr); | |
1391 | static inline void f2fs_clear_bit(unsigned int nr, char *addr); | |
1392 | ||
4c8ff709 | 1393 | /* |
b763f3be CY |
1394 | * Layout of f2fs page.private: |
1395 | * | |
1396 | * Layout A: lowest bit should be 1 | |
1397 | * | bit0 = 1 | bit1 | bit2 | ... | bit MAX | private data .... | | |
1398 | * bit 0 PAGE_PRIVATE_NOT_POINTER | |
1399 | * bit 1 PAGE_PRIVATE_ATOMIC_WRITE | |
1400 | * bit 2 PAGE_PRIVATE_DUMMY_WRITE | |
1401 | * bit 3 PAGE_PRIVATE_ONGOING_MIGRATION | |
1402 | * bit 4 PAGE_PRIVATE_INLINE_INODE | |
1403 | * bit 5 PAGE_PRIVATE_REF_RESOURCE | |
1404 | * bit 6- f2fs private data | |
1405 | * | |
1406 | * Layout B: lowest bit should be 0 | |
1407 | * page.private is a wrapped pointer. | |
4c8ff709 | 1408 | */ |
b763f3be CY |
1409 | enum { |
1410 | PAGE_PRIVATE_NOT_POINTER, /* private contains non-pointer data */ | |
1411 | PAGE_PRIVATE_ATOMIC_WRITE, /* data page from atomic write path */ | |
1412 | PAGE_PRIVATE_DUMMY_WRITE, /* data page for padding aligned IO */ | |
1413 | PAGE_PRIVATE_ONGOING_MIGRATION, /* data page which is on-going migrating */ | |
1414 | PAGE_PRIVATE_INLINE_INODE, /* inode page contains inline data */ | |
1415 | PAGE_PRIVATE_REF_RESOURCE, /* dirty page has referenced resources */ | |
1416 | PAGE_PRIVATE_MAX | |
1417 | }; | |
1418 | ||
1419 | #define PAGE_PRIVATE_GET_FUNC(name, flagname) \ | |
1420 | static inline bool page_private_##name(struct page *page) \ | |
1421 | { \ | |
c9ebd3df JK |
1422 | return PagePrivate(page) && \ |
1423 | test_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)) && \ | |
b763f3be CY |
1424 | test_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \ |
1425 | } | |
1426 | ||
1427 | #define PAGE_PRIVATE_SET_FUNC(name, flagname) \ | |
1428 | static inline void set_page_private_##name(struct page *page) \ | |
1429 | { \ | |
1430 | if (!PagePrivate(page)) { \ | |
1431 | get_page(page); \ | |
1432 | SetPagePrivate(page); \ | |
c9ebd3df | 1433 | set_page_private(page, 0); \ |
b763f3be CY |
1434 | } \ |
1435 | set_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)); \ | |
1436 | set_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \ | |
1437 | } | |
1438 | ||
1439 | #define PAGE_PRIVATE_CLEAR_FUNC(name, flagname) \ | |
1440 | static inline void clear_page_private_##name(struct page *page) \ | |
1441 | { \ | |
1442 | clear_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \ | |
1443 | if (page_private(page) == 1 << PAGE_PRIVATE_NOT_POINTER) { \ | |
1444 | set_page_private(page, 0); \ | |
1445 | if (PagePrivate(page)) { \ | |
1446 | ClearPagePrivate(page); \ | |
1447 | put_page(page); \ | |
1448 | }\ | |
1449 | } \ | |
1450 | } | |
1451 | ||
1452 | PAGE_PRIVATE_GET_FUNC(nonpointer, NOT_POINTER); | |
1453 | PAGE_PRIVATE_GET_FUNC(reference, REF_RESOURCE); | |
1454 | PAGE_PRIVATE_GET_FUNC(inline, INLINE_INODE); | |
1455 | PAGE_PRIVATE_GET_FUNC(gcing, ONGOING_MIGRATION); | |
1456 | PAGE_PRIVATE_GET_FUNC(atomic, ATOMIC_WRITE); | |
1457 | PAGE_PRIVATE_GET_FUNC(dummy, DUMMY_WRITE); | |
1458 | ||
1459 | PAGE_PRIVATE_SET_FUNC(reference, REF_RESOURCE); | |
1460 | PAGE_PRIVATE_SET_FUNC(inline, INLINE_INODE); | |
1461 | PAGE_PRIVATE_SET_FUNC(gcing, ONGOING_MIGRATION); | |
1462 | PAGE_PRIVATE_SET_FUNC(atomic, ATOMIC_WRITE); | |
1463 | PAGE_PRIVATE_SET_FUNC(dummy, DUMMY_WRITE); | |
1464 | ||
1465 | PAGE_PRIVATE_CLEAR_FUNC(reference, REF_RESOURCE); | |
1466 | PAGE_PRIVATE_CLEAR_FUNC(inline, INLINE_INODE); | |
1467 | PAGE_PRIVATE_CLEAR_FUNC(gcing, ONGOING_MIGRATION); | |
1468 | PAGE_PRIVATE_CLEAR_FUNC(atomic, ATOMIC_WRITE); | |
1469 | PAGE_PRIVATE_CLEAR_FUNC(dummy, DUMMY_WRITE); | |
4c8ff709 | 1470 | |
6ce19aff CY |
1471 | static inline unsigned long get_page_private_data(struct page *page) |
1472 | { | |
1473 | unsigned long data = page_private(page); | |
1474 | ||
1475 | if (!test_bit(PAGE_PRIVATE_NOT_POINTER, &data)) | |
1476 | return 0; | |
1477 | return data >> PAGE_PRIVATE_MAX; | |
1478 | } | |
1479 | ||
1480 | static inline void set_page_private_data(struct page *page, unsigned long data) | |
1481 | { | |
1482 | if (!PagePrivate(page)) { | |
1483 | get_page(page); | |
1484 | SetPagePrivate(page); | |
c9ebd3df | 1485 | set_page_private(page, 0); |
6ce19aff CY |
1486 | } |
1487 | set_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)); | |
1488 | page_private(page) |= data << PAGE_PRIVATE_MAX; | |
1489 | } | |
1490 | ||
1491 | static inline void clear_page_private_data(struct page *page) | |
1492 | { | |
1493 | page_private(page) &= (1 << PAGE_PRIVATE_MAX) - 1; | |
1494 | if (page_private(page) == 1 << PAGE_PRIVATE_NOT_POINTER) { | |
1495 | set_page_private(page, 0); | |
1496 | if (PagePrivate(page)) { | |
1497 | ClearPagePrivate(page); | |
1498 | put_page(page); | |
1499 | } | |
1500 | } | |
1501 | } | |
1502 | ||
4c8ff709 CY |
1503 | /* For compression */ |
1504 | enum compress_algorithm_type { | |
1505 | COMPRESS_LZO, | |
1506 | COMPRESS_LZ4, | |
50cfa66f | 1507 | COMPRESS_ZSTD, |
6d92b201 | 1508 | COMPRESS_LZORLE, |
4c8ff709 CY |
1509 | COMPRESS_MAX, |
1510 | }; | |
1511 | ||
b28f047b CY |
1512 | enum compress_flag { |
1513 | COMPRESS_CHKSUM, | |
1514 | COMPRESS_MAX_FLAG, | |
1515 | }; | |
1516 | ||
6ce19aff CY |
1517 | #define COMPRESS_WATERMARK 20 |
1518 | #define COMPRESS_PERCENT 20 | |
1519 | ||
b28f047b | 1520 | #define COMPRESS_DATA_RESERVED_SIZE 4 |
4c8ff709 CY |
1521 | struct compress_data { |
1522 | __le32 clen; /* compressed data size */ | |
b28f047b | 1523 | __le32 chksum; /* compressed data chksum */ |
4c8ff709 CY |
1524 | __le32 reserved[COMPRESS_DATA_RESERVED_SIZE]; /* reserved */ |
1525 | u8 cdata[]; /* compressed data */ | |
1526 | }; | |
1527 | ||
1528 | #define COMPRESS_HEADER_SIZE (sizeof(struct compress_data)) | |
1529 | ||
1530 | #define F2FS_COMPRESSED_PAGE_MAGIC 0xF5F2C000 | |
1531 | ||
3fde13f8 CY |
1532 | #define COMPRESS_LEVEL_OFFSET 8 |
1533 | ||
4c8ff709 CY |
1534 | /* compress context */ |
1535 | struct compress_ctx { | |
1536 | struct inode *inode; /* inode the context belong to */ | |
1537 | pgoff_t cluster_idx; /* cluster index number */ | |
1538 | unsigned int cluster_size; /* page count in cluster */ | |
1539 | unsigned int log_cluster_size; /* log of cluster size */ | |
1540 | struct page **rpages; /* pages store raw data in cluster */ | |
1541 | unsigned int nr_rpages; /* total page number in rpages */ | |
1542 | struct page **cpages; /* pages store compressed data in cluster */ | |
1543 | unsigned int nr_cpages; /* total page number in cpages */ | |
3271d7eb | 1544 | unsigned int valid_nr_cpages; /* valid page number in cpages */ |
4c8ff709 CY |
1545 | void *rbuf; /* virtual mapped address on rpages */ |
1546 | struct compress_data *cbuf; /* virtual mapped address on cpages */ | |
1547 | size_t rlen; /* valid data length in rbuf */ | |
1548 | size_t clen; /* valid data length in cbuf */ | |
1549 | void *private; /* payload buffer for specified compression algorithm */ | |
50cfa66f | 1550 | void *private2; /* extra payload buffer */ |
4c8ff709 CY |
1551 | }; |
1552 | ||
1553 | /* compress context for write IO path */ | |
1554 | struct compress_io_ctx { | |
1555 | u32 magic; /* magic number to indicate page is compressed */ | |
1556 | struct inode *inode; /* inode the context belong to */ | |
1557 | struct page **rpages; /* pages store raw data in cluster */ | |
1558 | unsigned int nr_rpages; /* total page number in rpages */ | |
e6c3948d | 1559 | atomic_t pending_pages; /* in-flight compressed page count */ |
4c8ff709 CY |
1560 | }; |
1561 | ||
7f59b277 | 1562 | /* Context for decompressing one cluster on the read IO path */ |
4c8ff709 CY |
1563 | struct decompress_io_ctx { |
1564 | u32 magic; /* magic number to indicate page is compressed */ | |
1565 | struct inode *inode; /* inode the context belong to */ | |
1566 | pgoff_t cluster_idx; /* cluster index number */ | |
1567 | unsigned int cluster_size; /* page count in cluster */ | |
1568 | unsigned int log_cluster_size; /* log of cluster size */ | |
1569 | struct page **rpages; /* pages store raw data in cluster */ | |
1570 | unsigned int nr_rpages; /* total page number in rpages */ | |
1571 | struct page **cpages; /* pages store compressed data in cluster */ | |
1572 | unsigned int nr_cpages; /* total page number in cpages */ | |
1573 | struct page **tpages; /* temp pages to pad holes in cluster */ | |
1574 | void *rbuf; /* virtual mapped address on rpages */ | |
1575 | struct compress_data *cbuf; /* virtual mapped address on cpages */ | |
1576 | size_t rlen; /* valid data length in rbuf */ | |
1577 | size_t clen; /* valid data length in cbuf */ | |
7f59b277 EB |
1578 | |
1579 | /* | |
1580 | * The number of compressed pages remaining to be read in this cluster. | |
1581 | * This is initially nr_cpages. It is decremented by 1 each time a page | |
1582 | * has been read (or failed to be read). When it reaches 0, the cluster | |
1583 | * is decompressed (or an error is reported). | |
1584 | * | |
1585 | * If an error occurs before all the pages have been submitted for I/O, | |
1586 | * then this will never reach 0. In this case the I/O submitter is | |
1587 | * responsible for calling f2fs_decompress_end_io() instead. | |
1588 | */ | |
1589 | atomic_t remaining_pages; | |
1590 | ||
1591 | /* | |
1592 | * Number of references to this decompress_io_ctx. | |
1593 | * | |
1594 | * One reference is held for I/O completion. This reference is dropped | |
1595 | * after the pagecache pages are updated and unlocked -- either after | |
1596 | * decompression (and verity if enabled), or after an error. | |
1597 | * | |
1598 | * In addition, each compressed page holds a reference while it is in a | |
1599 | * bio. These references are necessary prevent compressed pages from | |
1600 | * being freed while they are still in a bio. | |
1601 | */ | |
1602 | refcount_t refcnt; | |
1603 | ||
1604 | bool failed; /* IO error occurred before decompression? */ | |
1605 | bool need_verity; /* need fs-verity verification after decompression? */ | |
50cfa66f CY |
1606 | void *private; /* payload buffer for specified decompression algorithm */ |
1607 | void *private2; /* extra payload buffer */ | |
7f59b277 | 1608 | struct work_struct verity_work; /* work to verify the decompressed pages */ |
bff139b4 | 1609 | struct work_struct free_work; /* work for late free this structure itself */ |
4c8ff709 CY |
1610 | }; |
1611 | ||
1612 | #define NULL_CLUSTER ((unsigned int)(~0)) | |
1613 | #define MIN_COMPRESS_LOG_SIZE 2 | |
1614 | #define MAX_COMPRESS_LOG_SIZE 8 | |
0e2b7385 | 1615 | #define MAX_COMPRESS_WINDOW_SIZE(log_size) ((PAGE_SIZE) << (log_size)) |
4c8ff709 | 1616 | |
39a53e0c JK |
1617 | struct f2fs_sb_info { |
1618 | struct super_block *sb; /* pointer to VFS super block */ | |
5e176d54 | 1619 | struct proc_dir_entry *s_proc; /* proc entry */ |
39a53e0c | 1620 | struct f2fs_super_block *raw_super; /* raw super block pointer */ |
e4544b63 | 1621 | struct f2fs_rwsem sb_lock; /* lock for raw super block */ |
e8240f65 | 1622 | int valid_super_block; /* valid super block no */ |
fadb2fb8 | 1623 | unsigned long s_flag; /* flags for sbi */ |
853137ce | 1624 | struct mutex writepages; /* mutex for writepages() */ |
39a53e0c | 1625 | |
178053e2 | 1626 | #ifdef CONFIG_BLK_DEV_ZONED |
178053e2 DLM |
1627 | unsigned int blocks_per_blkz; /* F2FS blocks per zone */ |
1628 | unsigned int log_blocks_per_blkz; /* log2 F2FS blocks per zone */ | |
178053e2 DLM |
1629 | #endif |
1630 | ||
39a53e0c JK |
1631 | /* for node-related operations */ |
1632 | struct f2fs_nm_info *nm_info; /* node manager */ | |
1633 | struct inode *node_inode; /* cache node blocks */ | |
1634 | ||
1635 | /* for segment-related operations */ | |
1636 | struct f2fs_sm_info *sm_info; /* segment manager */ | |
1ff7bd3b JK |
1637 | |
1638 | /* for bio operations */ | |
a912b54d | 1639 | struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */ |
107a805d | 1640 | /* keep migration IO order for LFS mode */ |
e4544b63 | 1641 | struct f2fs_rwsem io_order_lock; |
0a595eba | 1642 | mempool_t *write_io_dummy; /* Dummy pages */ |
a7b8618a JK |
1643 | pgoff_t page_eio_ofs[NR_PAGE_TYPE]; /* EIO page offset */ |
1644 | int page_eio_cnt[NR_PAGE_TYPE]; /* EIO count */ | |
39a53e0c JK |
1645 | |
1646 | /* for checkpoint */ | |
1647 | struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */ | |
8508e44a | 1648 | int cur_cp_pack; /* remain current cp pack */ |
aaec2b1d | 1649 | spinlock_t cp_lock; /* for flag in ckpt */ |
39a53e0c | 1650 | struct inode *meta_inode; /* cache meta blocks */ |
e4544b63 TM |
1651 | struct f2fs_rwsem cp_global_sem; /* checkpoint procedure lock */ |
1652 | struct f2fs_rwsem cp_rwsem; /* blocking FS operations */ | |
1653 | struct f2fs_rwsem node_write; /* locking node writes */ | |
1654 | struct f2fs_rwsem node_change; /* locking node change */ | |
fb51b5ef | 1655 | wait_queue_head_t cp_wait; |
6beceb54 JK |
1656 | unsigned long last_time[MAX_TIME]; /* to store time in jiffies */ |
1657 | long interval_time[MAX_TIME]; /* to store thresholds */ | |
261eeb9c | 1658 | struct ckpt_req_control cprc_info; /* for checkpoint request control */ |
39a53e0c | 1659 | |
a87aff1d | 1660 | struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */ |
6451e041 | 1661 | |
50fa53ec CY |
1662 | spinlock_t fsync_node_lock; /* for node entry lock */ |
1663 | struct list_head fsync_node_list; /* node list head */ | |
1664 | unsigned int fsync_seg_id; /* sequence id */ | |
1665 | unsigned int fsync_node_num; /* number of node entries */ | |
1666 | ||
6451e041 | 1667 | /* for orphan inode, use 0'th array */ |
0d47c1ad | 1668 | unsigned int max_orphans; /* max orphan inodes */ |
39a53e0c | 1669 | |
c227f912 CY |
1670 | /* for inode management */ |
1671 | struct list_head inode_list[NR_INODE_TYPE]; /* dirty inode list */ | |
1672 | spinlock_t inode_lock[NR_INODE_TYPE]; /* for dirty inode list lock */ | |
040d2bb3 | 1673 | struct mutex flush_lock; /* for flush exclusion */ |
39a53e0c | 1674 | |
13054c54 | 1675 | /* for extent tree cache */ |
e7547dac | 1676 | struct extent_tree_info extent_tree[NR_EXTENT_CACHES]; |
71644dff JK |
1677 | atomic64_t allocated_data_blocks; /* for block age extent_cache */ |
1678 | ||
1679 | /* The threshold used for hot and warm data seperation*/ | |
1680 | unsigned int hot_data_age_threshold; | |
1681 | unsigned int warm_data_age_threshold; | |
13054c54 | 1682 | |
e1c42045 | 1683 | /* basic filesystem units */ |
39a53e0c JK |
1684 | unsigned int log_sectors_per_block; /* log2 sectors per block */ |
1685 | unsigned int log_blocksize; /* log2 block size */ | |
1686 | unsigned int blocksize; /* block size */ | |
1687 | unsigned int root_ino_num; /* root inode number*/ | |
1688 | unsigned int node_ino_num; /* node inode number*/ | |
1689 | unsigned int meta_ino_num; /* meta inode number*/ | |
1690 | unsigned int log_blocks_per_seg; /* log2 blocks per segment */ | |
1691 | unsigned int blocks_per_seg; /* blocks per segment */ | |
b771aadc | 1692 | unsigned int unusable_blocks_per_sec; /* unusable blocks per section */ |
39a53e0c JK |
1693 | unsigned int segs_per_sec; /* segments per section */ |
1694 | unsigned int secs_per_zone; /* sections per zone */ | |
1695 | unsigned int total_sections; /* total section count */ | |
1696 | unsigned int total_node_count; /* total node block count */ | |
1697 | unsigned int total_valid_node_count; /* valid node block count */ | |
ab9fa662 | 1698 | int dir_level; /* directory level */ |
66aee5aa | 1699 | bool readdir_ra; /* readahead inode in readdir */ |
10208567 | 1700 | u64 max_io_bytes; /* max io bytes to merge IOs */ |
39a53e0c JK |
1701 | |
1702 | block_t user_block_count; /* # of user blocks */ | |
1703 | block_t total_valid_block_count; /* # of valid blocks */ | |
a66cdd98 | 1704 | block_t discard_blks; /* discard command candidats */ |
39a53e0c | 1705 | block_t last_valid_block_count; /* for recovery */ |
daeb433e | 1706 | block_t reserved_blocks; /* configurable reserved blocks */ |
80d42145 | 1707 | block_t current_reserved_blocks; /* current reserved blocks */ |
daeb433e | 1708 | |
4354994f DR |
1709 | /* Additional tracking for no checkpoint mode */ |
1710 | block_t unusable_block_count; /* # of blocks saved by last cp */ | |
1711 | ||
292c196a | 1712 | unsigned int nquota_files; /* # of quota sysfile */ |
e4544b63 | 1713 | struct f2fs_rwsem quota_sem; /* blocking cp for flags */ |
292c196a | 1714 | |
523be8a6 | 1715 | /* # of pages, see count_type */ |
35782b23 | 1716 | atomic_t nr_pages[NR_COUNT_TYPE]; |
41382ec4 JK |
1717 | /* # of allocated blocks */ |
1718 | struct percpu_counter alloc_valid_block_count; | |
47c8ebcc JK |
1719 | /* # of node block writes as roll forward recovery */ |
1720 | struct percpu_counter rf_node_block_count; | |
39a53e0c | 1721 | |
687de7f1 | 1722 | /* writeback control */ |
c29fd0c0 | 1723 | atomic_t wb_sync_req[META]; /* count # of WB_SYNC threads */ |
687de7f1 | 1724 | |
513c5f37 JK |
1725 | /* valid inode count */ |
1726 | struct percpu_counter total_valid_inode_count; | |
1727 | ||
39a53e0c JK |
1728 | struct f2fs_mount_info mount_opt; /* mount options */ |
1729 | ||
1730 | /* for cleaning operations */ | |
e4544b63 | 1731 | struct f2fs_rwsem gc_lock; /* |
fb24fea7 CY |
1732 | * semaphore for GC, avoid |
1733 | * race between GC and GC or CP | |
1734 | */ | |
39a53e0c | 1735 | struct f2fs_gc_kthread *gc_thread; /* GC thread */ |
093749e2 | 1736 | struct atgc_management am; /* atgc management */ |
5ec4e49f | 1737 | unsigned int cur_victim_sec; /* current victim section num */ |
5b0e9539 | 1738 | unsigned int gc_mode; /* current GC state */ |
e3080b01 | 1739 | unsigned int next_victim_seg[2]; /* next segment in victim section */ |
e5a0db6a YL |
1740 | spinlock_t gc_remaining_trials_lock; |
1741 | /* remaining trial count for GC_URGENT_* and GC_IDLE_* */ | |
1742 | unsigned int gc_remaining_trials; | |
0e5e8111 | 1743 | |
2ef79ecb | 1744 | /* for skip statistic */ |
6f8d4455 | 1745 | unsigned long long skipped_gc_rwsem; /* FG_GC only */ |
39a53e0c | 1746 | |
1ad71a27 JK |
1747 | /* threshold for gc trials on pinned files */ |
1748 | u64 gc_pin_file_threshold; | |
e4544b63 | 1749 | struct f2fs_rwsem pin_sem; |
1ad71a27 | 1750 | |
b1c57c1c JK |
1751 | /* maximum # of trials to find a victim segment for SSR and GC */ |
1752 | unsigned int max_victim_search; | |
e3080b01 CY |
1753 | /* migration granularity of garbage collection, unit: segment */ |
1754 | unsigned int migration_granularity; | |
b1c57c1c | 1755 | |
39a53e0c JK |
1756 | /* |
1757 | * for stat information. | |
1758 | * one is for the LFS mode, and the other is for the SSR mode. | |
1759 | */ | |
35b09d82 | 1760 | #ifdef CONFIG_F2FS_STAT_FS |
39a53e0c | 1761 | struct f2fs_stat_info *stat_info; /* FS status information */ |
b63e7be5 | 1762 | atomic_t meta_count[META_MAX]; /* # of meta blocks */ |
39a53e0c JK |
1763 | unsigned int segment_count[2]; /* # of allocated segments */ |
1764 | unsigned int block_count[2]; /* # of allocated blocks */ | |
b9a2c252 | 1765 | atomic_t inplace_count; /* # of inplace update */ |
e7547dac JK |
1766 | /* # of lookup extent cache */ |
1767 | atomic64_t total_hit_ext[NR_EXTENT_CACHES]; | |
1768 | /* # of hit rbtree extent node */ | |
1769 | atomic64_t read_hit_rbtree[NR_EXTENT_CACHES]; | |
1770 | /* # of hit cached extent node */ | |
1771 | atomic64_t read_hit_cached[NR_EXTENT_CACHES]; | |
1772 | /* # of hit largest extent node in read extent cache */ | |
1773 | atomic64_t read_hit_largest; | |
d5e8f6c9 | 1774 | atomic_t inline_xattr; /* # of inline_xattr inodes */ |
03e14d52 CY |
1775 | atomic_t inline_inode; /* # of inline_data inodes */ |
1776 | atomic_t inline_dir; /* # of inline_dentry inodes */ | |
4c8ff709 | 1777 | atomic_t compr_inode; /* # of compressed inodes */ |
ae999bb9 | 1778 | atomic64_t compr_blocks; /* # of compressed blocks */ |
8ec071c3 | 1779 | atomic_t swapfile_inode; /* # of swapfile inodes */ |
b4dac120 | 1780 | atomic_t atomic_files; /* # of opened atomic file */ |
26a28a0c | 1781 | atomic_t max_aw_cnt; /* max # of atomic writes */ |
274bd9ba CY |
1782 | unsigned int io_skip_bggc; /* skip background gc for in-flight IO */ |
1783 | unsigned int other_skip_bggc; /* skip background gc for other reasons */ | |
33fbd510 | 1784 | unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */ |
35b09d82 | 1785 | #endif |
39a53e0c | 1786 | spinlock_t stat_lock; /* lock for stat operations */ |
b59d0bae | 1787 | |
da9953b7 JK |
1788 | /* to attach REQ_META|REQ_FUA flags */ |
1789 | unsigned int data_io_flag; | |
32b6aba8 | 1790 | unsigned int node_io_flag; |
b0af6d49 | 1791 | |
759820c9 | 1792 | /* For sysfs support */ |
5d4daa57 | 1793 | struct kobject s_kobj; /* /sys/fs/f2fs/<devname> */ |
b59d0bae | 1794 | struct completion s_kobj_unregister; |
2658e50d | 1795 | |
5d4daa57 CY |
1796 | struct kobject s_stat_kobj; /* /sys/fs/f2fs/<devname>/stat */ |
1797 | struct completion s_stat_kobj_unregister; | |
1798 | ||
4c89b53d JK |
1799 | struct kobject s_feature_list_kobj; /* /sys/fs/f2fs/<devname>/feature_list */ |
1800 | struct completion s_feature_list_kobj_unregister; | |
1801 | ||
2658e50d JK |
1802 | /* For shrinker support */ |
1803 | struct list_head s_list; | |
71f2c820 CY |
1804 | struct mutex umount_mutex; |
1805 | unsigned int shrinker_run_no; | |
1806 | ||
1807 | /* For multi devices */ | |
3c62be17 JK |
1808 | int s_ndevs; /* number of devices */ |
1809 | struct f2fs_dev_info *devs; /* for device list */ | |
1228b482 CY |
1810 | unsigned int dirty_device; /* for checkpoint data flush */ |
1811 | spinlock_t dev_lock; /* protect dirty_device */ | |
71f2c820 | 1812 | bool aligned_blksize; /* all devices has the same logical blksize */ |
8f1dbbbb SL |
1813 | |
1814 | /* For write statistics */ | |
1815 | u64 sectors_written_start; | |
1816 | u64 kbytes_written; | |
43b6573b KM |
1817 | |
1818 | /* Reference to checksum algorithm driver via cryptoapi */ | |
1819 | struct crypto_shash *s_chksum_driver; | |
1ecc0c5c | 1820 | |
704956ec CY |
1821 | /* Precomputed FS UUID checksum for seeding other checksums */ |
1822 | __u32 s_chksum_seed; | |
4c8ff709 CY |
1823 | |
1824 | struct workqueue_struct *post_read_wq; /* post read workqueue */ | |
a999150f | 1825 | |
95fa90c9 CY |
1826 | unsigned char errors[MAX_F2FS_ERRORS]; /* error flags */ |
1827 | spinlock_t error_lock; /* protect errors array */ | |
1828 | bool error_dirty; /* errors of sb is dirty */ | |
1829 | ||
a999150f CY |
1830 | struct kmem_cache *inline_xattr_slab; /* inline xattr entry */ |
1831 | unsigned int inline_xattr_slab_size; /* default inline xattr slab size */ | |
31083031 | 1832 | |
07c6b593 DJ |
1833 | /* For reclaimed segs statistics per each GC mode */ |
1834 | unsigned int gc_segment_mode; /* GC state for reclaimed segments */ | |
1835 | unsigned int gc_reclaimed_segs[MAX_GC_MODE]; /* Reclaimed segs for each mode */ | |
1836 | ||
0f6b56ec DJ |
1837 | unsigned long seq_file_ra_mul; /* multiplier for ra_pages of seq. files in fadvise */ |
1838 | ||
6691d940 DJ |
1839 | int max_fragment_chunk; /* max chunk size for block fragmentation mode */ |
1840 | int max_fragment_hole; /* max hole size for block fragmentation mode */ | |
1841 | ||
f8e2f32b DJ |
1842 | /* For atomic write statistics */ |
1843 | atomic64_t current_atomic_write; | |
1844 | s64 peak_atomic_write; | |
1845 | u64 committed_atomic_block; | |
1846 | u64 revoked_atomic_block; | |
1847 | ||
31083031 CY |
1848 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
1849 | struct kmem_cache *page_array_slab; /* page array entry */ | |
1850 | unsigned int page_array_slab_size; /* default page array slab size */ | |
5ac443e2 DJ |
1851 | |
1852 | /* For runtime compression statistics */ | |
1853 | u64 compr_written_block; | |
1854 | u64 compr_saved_block; | |
1855 | u32 compr_new_inode; | |
6ce19aff CY |
1856 | |
1857 | /* For compressed block cache */ | |
1858 | struct inode *compress_inode; /* cache compressed blocks */ | |
1859 | unsigned int compress_percent; /* cache page percentage */ | |
1860 | unsigned int compress_watermark; /* cache page watermark */ | |
1861 | atomic_t compress_page_hit; /* cache hit count */ | |
31083031 | 1862 | #endif |
52118743 DJ |
1863 | |
1864 | #ifdef CONFIG_F2FS_IOSTAT | |
1865 | /* For app/fs IO statistics */ | |
1866 | spinlock_t iostat_lock; | |
1867 | unsigned long long rw_iostat[NR_IO_TYPE]; | |
1868 | unsigned long long prev_rw_iostat[NR_IO_TYPE]; | |
1869 | bool iostat_enable; | |
1870 | unsigned long iostat_next_period; | |
1871 | unsigned int iostat_period_ms; | |
a4b68176 DJ |
1872 | |
1873 | /* For io latency related statistics info in one iostat period */ | |
1874 | spinlock_t iostat_lat_lock; | |
1875 | struct iostat_lat_info *iostat_io_lat; | |
52118743 | 1876 | #endif |
39a53e0c JK |
1877 | }; |
1878 | ||
1ecc0c5c | 1879 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
c45d6002 CY |
1880 | #define f2fs_show_injection_info(sbi, type) \ |
1881 | printk_ratelimited("%sF2FS-fs (%s) : inject %s in %s of %pS\n", \ | |
1882 | KERN_INFO, sbi->sb->s_id, \ | |
1883 | f2fs_fault_name[type], \ | |
55523519 | 1884 | __func__, __builtin_return_address(0)) |
1ecc0c5c CY |
1885 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) |
1886 | { | |
63189b78 | 1887 | struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info; |
1ecc0c5c CY |
1888 | |
1889 | if (!ffi->inject_rate) | |
1890 | return false; | |
1891 | ||
1892 | if (!IS_FAULT_SET(ffi, type)) | |
1893 | return false; | |
1894 | ||
1895 | atomic_inc(&ffi->inject_ops); | |
1896 | if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) { | |
1897 | atomic_set(&ffi->inject_ops, 0); | |
1ecc0c5c CY |
1898 | return true; |
1899 | } | |
1900 | return false; | |
1901 | } | |
7fa750a1 | 1902 | #else |
c45d6002 | 1903 | #define f2fs_show_injection_info(sbi, type) do { } while (0) |
7fa750a1 AB |
1904 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) |
1905 | { | |
1906 | return false; | |
1907 | } | |
1ecc0c5c CY |
1908 | #endif |
1909 | ||
0916878d DLM |
1910 | /* |
1911 | * Test if the mounted volume is a multi-device volume. | |
1912 | * - For a single regular disk volume, sbi->s_ndevs is 0. | |
1913 | * - For a single zoned disk volume, sbi->s_ndevs is 1. | |
1914 | * - For a multi-device volume, sbi->s_ndevs is always 2 or more. | |
1915 | */ | |
1916 | static inline bool f2fs_is_multi_device(struct f2fs_sb_info *sbi) | |
1917 | { | |
1918 | return sbi->s_ndevs > 1; | |
1919 | } | |
1920 | ||
6beceb54 JK |
1921 | static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type) |
1922 | { | |
a7d10cf3 ST |
1923 | unsigned long now = jiffies; |
1924 | ||
1925 | sbi->last_time[type] = now; | |
1926 | ||
1927 | /* DISCARD_TIME and GC_TIME are based on REQ_TIME */ | |
1928 | if (type == REQ_TIME) { | |
1929 | sbi->last_time[DISCARD_TIME] = now; | |
1930 | sbi->last_time[GC_TIME] = now; | |
1931 | } | |
6beceb54 JK |
1932 | } |
1933 | ||
1934 | static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type) | |
1935 | { | |
6bccfa19 | 1936 | unsigned long interval = sbi->interval_time[type] * HZ; |
6beceb54 JK |
1937 | |
1938 | return time_after(jiffies, sbi->last_time[type] + interval); | |
1939 | } | |
1940 | ||
a7d10cf3 ST |
1941 | static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info *sbi, |
1942 | int type) | |
1943 | { | |
1944 | unsigned long interval = sbi->interval_time[type] * HZ; | |
1945 | unsigned int wait_ms = 0; | |
1946 | long delta; | |
1947 | ||
1948 | delta = (sbi->last_time[type] + interval) - jiffies; | |
1949 | if (delta > 0) | |
1950 | wait_ms = jiffies_to_msecs(delta); | |
1951 | ||
1952 | return wait_ms; | |
1953 | } | |
1954 | ||
39a53e0c JK |
1955 | /* |
1956 | * Inline functions | |
1957 | */ | |
416d2dbb | 1958 | static inline u32 __f2fs_crc32(struct f2fs_sb_info *sbi, u32 crc, |
704956ec CY |
1959 | const void *address, unsigned int length) |
1960 | { | |
1961 | struct { | |
1962 | struct shash_desc shash; | |
1963 | char ctx[4]; | |
1964 | } desc; | |
1965 | int err; | |
1966 | ||
1967 | BUG_ON(crypto_shash_descsize(sbi->s_chksum_driver) != sizeof(desc.ctx)); | |
1968 | ||
1969 | desc.shash.tfm = sbi->s_chksum_driver; | |
704956ec CY |
1970 | *(u32 *)desc.ctx = crc; |
1971 | ||
1972 | err = crypto_shash_update(&desc.shash, address, length); | |
1973 | BUG_ON(err); | |
1974 | ||
1975 | return *(u32 *)desc.ctx; | |
1976 | } | |
1977 | ||
416d2dbb CY |
1978 | static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address, |
1979 | unsigned int length) | |
1980 | { | |
1981 | return __f2fs_crc32(sbi, F2FS_SUPER_MAGIC, address, length); | |
1982 | } | |
1983 | ||
1984 | static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc, | |
1985 | void *buf, size_t buf_size) | |
1986 | { | |
1987 | return f2fs_crc32(sbi, buf, buf_size) == blk_crc; | |
1988 | } | |
1989 | ||
1990 | static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc, | |
1991 | const void *address, unsigned int length) | |
1992 | { | |
1993 | return __f2fs_crc32(sbi, crc, address, length); | |
1994 | } | |
1995 | ||
39a53e0c JK |
1996 | static inline struct f2fs_inode_info *F2FS_I(struct inode *inode) |
1997 | { | |
1998 | return container_of(inode, struct f2fs_inode_info, vfs_inode); | |
1999 | } | |
2000 | ||
2001 | static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb) | |
2002 | { | |
2003 | return sb->s_fs_info; | |
2004 | } | |
2005 | ||
4081363f JK |
2006 | static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode) |
2007 | { | |
2008 | return F2FS_SB(inode->i_sb); | |
2009 | } | |
2010 | ||
2011 | static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping) | |
2012 | { | |
2013 | return F2FS_I_SB(mapping->host); | |
2014 | } | |
2015 | ||
2016 | static inline struct f2fs_sb_info *F2FS_P_SB(struct page *page) | |
2017 | { | |
4969c06a | 2018 | return F2FS_M_SB(page_file_mapping(page)); |
4081363f JK |
2019 | } |
2020 | ||
39a53e0c JK |
2021 | static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi) |
2022 | { | |
2023 | return (struct f2fs_super_block *)(sbi->raw_super); | |
2024 | } | |
2025 | ||
2026 | static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi) | |
2027 | { | |
2028 | return (struct f2fs_checkpoint *)(sbi->ckpt); | |
2029 | } | |
2030 | ||
45590710 GZ |
2031 | static inline struct f2fs_node *F2FS_NODE(struct page *page) |
2032 | { | |
2033 | return (struct f2fs_node *)page_address(page); | |
2034 | } | |
2035 | ||
58bfaf44 JK |
2036 | static inline struct f2fs_inode *F2FS_INODE(struct page *page) |
2037 | { | |
2038 | return &((struct f2fs_node *)page_address(page))->i; | |
2039 | } | |
2040 | ||
39a53e0c JK |
2041 | static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi) |
2042 | { | |
2043 | return (struct f2fs_nm_info *)(sbi->nm_info); | |
2044 | } | |
2045 | ||
2046 | static inline struct f2fs_sm_info *SM_I(struct f2fs_sb_info *sbi) | |
2047 | { | |
2048 | return (struct f2fs_sm_info *)(sbi->sm_info); | |
2049 | } | |
2050 | ||
2051 | static inline struct sit_info *SIT_I(struct f2fs_sb_info *sbi) | |
2052 | { | |
2053 | return (struct sit_info *)(SM_I(sbi)->sit_info); | |
2054 | } | |
2055 | ||
2056 | static inline struct free_segmap_info *FREE_I(struct f2fs_sb_info *sbi) | |
2057 | { | |
2058 | return (struct free_segmap_info *)(SM_I(sbi)->free_info); | |
2059 | } | |
2060 | ||
2061 | static inline struct dirty_seglist_info *DIRTY_I(struct f2fs_sb_info *sbi) | |
2062 | { | |
2063 | return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info); | |
2064 | } | |
2065 | ||
9df27d98 GZ |
2066 | static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi) |
2067 | { | |
2068 | return sbi->meta_inode->i_mapping; | |
2069 | } | |
2070 | ||
4ef51a8f JK |
2071 | static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi) |
2072 | { | |
2073 | return sbi->node_inode->i_mapping; | |
2074 | } | |
2075 | ||
caf0047e CY |
2076 | static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type) |
2077 | { | |
fadb2fb8 | 2078 | return test_bit(type, &sbi->s_flag); |
caf0047e CY |
2079 | } |
2080 | ||
2081 | static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) | |
39a53e0c | 2082 | { |
fadb2fb8 | 2083 | set_bit(type, &sbi->s_flag); |
39a53e0c JK |
2084 | } |
2085 | ||
caf0047e | 2086 | static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) |
39a53e0c | 2087 | { |
fadb2fb8 | 2088 | clear_bit(type, &sbi->s_flag); |
39a53e0c JK |
2089 | } |
2090 | ||
d71b5564 JK |
2091 | static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp) |
2092 | { | |
2093 | return le64_to_cpu(cp->checkpoint_ver); | |
2094 | } | |
2095 | ||
ea676733 JK |
2096 | static inline unsigned long f2fs_qf_ino(struct super_block *sb, int type) |
2097 | { | |
2098 | if (type < F2FS_MAX_QUOTAS) | |
2099 | return le32_to_cpu(F2FS_SB(sb)->raw_super->qf_ino[type]); | |
2100 | return 0; | |
2101 | } | |
2102 | ||
ced2c7ea KM |
2103 | static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp) |
2104 | { | |
2105 | size_t crc_offset = le32_to_cpu(cp->checksum_offset); | |
2106 | return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset))); | |
2107 | } | |
2108 | ||
aaec2b1d | 2109 | static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) |
25ca923b JK |
2110 | { |
2111 | unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
aaec2b1d | 2112 | |
25ca923b JK |
2113 | return ckpt_flags & f; |
2114 | } | |
2115 | ||
aaec2b1d | 2116 | static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 2117 | { |
aaec2b1d CY |
2118 | return __is_set_ckpt_flags(F2FS_CKPT(sbi), f); |
2119 | } | |
2120 | ||
2121 | static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
2122 | { | |
2123 | unsigned int ckpt_flags; | |
2124 | ||
2125 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
2126 | ckpt_flags |= f; |
2127 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
2128 | } | |
2129 | ||
aaec2b1d | 2130 | static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 2131 | { |
d1aa2453 CY |
2132 | unsigned long flags; |
2133 | ||
2134 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
aaec2b1d | 2135 | __set_ckpt_flags(F2FS_CKPT(sbi), f); |
d1aa2453 | 2136 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
aaec2b1d CY |
2137 | } |
2138 | ||
2139 | static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
2140 | { | |
2141 | unsigned int ckpt_flags; | |
2142 | ||
2143 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
2144 | ckpt_flags &= (~f); |
2145 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
2146 | } | |
2147 | ||
aaec2b1d CY |
2148 | static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
2149 | { | |
d1aa2453 CY |
2150 | unsigned long flags; |
2151 | ||
2152 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
aaec2b1d | 2153 | __clear_ckpt_flags(F2FS_CKPT(sbi), f); |
d1aa2453 | 2154 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
aaec2b1d CY |
2155 | } |
2156 | ||
c7f91bd4 BVA |
2157 | #define init_f2fs_rwsem(sem) \ |
2158 | do { \ | |
2159 | static struct lock_class_key __key; \ | |
2160 | \ | |
2161 | __init_f2fs_rwsem((sem), #sem, &__key); \ | |
2162 | } while (0) | |
2163 | ||
2164 | static inline void __init_f2fs_rwsem(struct f2fs_rwsem *sem, | |
2165 | const char *sem_name, struct lock_class_key *key) | |
e4544b63 | 2166 | { |
c7f91bd4 | 2167 | __init_rwsem(&sem->internal_rwsem, sem_name, key); |
7f8e249d | 2168 | #ifdef CONFIG_F2FS_UNFAIR_RWSEM |
e4544b63 | 2169 | init_waitqueue_head(&sem->read_waiters); |
7f8e249d | 2170 | #endif |
e4544b63 TM |
2171 | } |
2172 | ||
2173 | static inline int f2fs_rwsem_is_locked(struct f2fs_rwsem *sem) | |
2174 | { | |
2175 | return rwsem_is_locked(&sem->internal_rwsem); | |
2176 | } | |
2177 | ||
2178 | static inline int f2fs_rwsem_is_contended(struct f2fs_rwsem *sem) | |
2179 | { | |
2180 | return rwsem_is_contended(&sem->internal_rwsem); | |
2181 | } | |
2182 | ||
2183 | static inline void f2fs_down_read(struct f2fs_rwsem *sem) | |
2184 | { | |
7f8e249d | 2185 | #ifdef CONFIG_F2FS_UNFAIR_RWSEM |
e4544b63 | 2186 | wait_event(sem->read_waiters, down_read_trylock(&sem->internal_rwsem)); |
7f8e249d JK |
2187 | #else |
2188 | down_read(&sem->internal_rwsem); | |
2189 | #endif | |
e4544b63 TM |
2190 | } |
2191 | ||
2192 | static inline int f2fs_down_read_trylock(struct f2fs_rwsem *sem) | |
2193 | { | |
2194 | return down_read_trylock(&sem->internal_rwsem); | |
2195 | } | |
2196 | ||
2197 | #ifdef CONFIG_DEBUG_LOCK_ALLOC | |
2198 | static inline void f2fs_down_read_nested(struct f2fs_rwsem *sem, int subclass) | |
2199 | { | |
2200 | down_read_nested(&sem->internal_rwsem, subclass); | |
2201 | } | |
2202 | #else | |
2203 | #define f2fs_down_read_nested(sem, subclass) f2fs_down_read(sem) | |
2204 | #endif | |
2205 | ||
2206 | static inline void f2fs_up_read(struct f2fs_rwsem *sem) | |
2207 | { | |
2208 | up_read(&sem->internal_rwsem); | |
2209 | } | |
2210 | ||
2211 | static inline void f2fs_down_write(struct f2fs_rwsem *sem) | |
2212 | { | |
2213 | down_write(&sem->internal_rwsem); | |
2214 | } | |
2215 | ||
2216 | static inline int f2fs_down_write_trylock(struct f2fs_rwsem *sem) | |
2217 | { | |
2218 | return down_write_trylock(&sem->internal_rwsem); | |
2219 | } | |
2220 | ||
2221 | static inline void f2fs_up_write(struct f2fs_rwsem *sem) | |
2222 | { | |
2223 | up_write(&sem->internal_rwsem); | |
7f8e249d | 2224 | #ifdef CONFIG_F2FS_UNFAIR_RWSEM |
e4544b63 | 2225 | wake_up_all(&sem->read_waiters); |
7f8e249d | 2226 | #endif |
e4544b63 TM |
2227 | } |
2228 | ||
e479556b | 2229 | static inline void f2fs_lock_op(struct f2fs_sb_info *sbi) |
39936837 | 2230 | { |
e4544b63 | 2231 | f2fs_down_read(&sbi->cp_rwsem); |
39936837 JK |
2232 | } |
2233 | ||
cc15620b JK |
2234 | static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi) |
2235 | { | |
3e020389 CY |
2236 | if (time_to_inject(sbi, FAULT_LOCK_OP)) { |
2237 | f2fs_show_injection_info(sbi, FAULT_LOCK_OP); | |
2238 | return 0; | |
2239 | } | |
e4544b63 | 2240 | return f2fs_down_read_trylock(&sbi->cp_rwsem); |
cc15620b JK |
2241 | } |
2242 | ||
e479556b | 2243 | static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi) |
39a53e0c | 2244 | { |
e4544b63 | 2245 | f2fs_up_read(&sbi->cp_rwsem); |
39a53e0c JK |
2246 | } |
2247 | ||
e479556b | 2248 | static inline void f2fs_lock_all(struct f2fs_sb_info *sbi) |
39a53e0c | 2249 | { |
e4544b63 | 2250 | f2fs_down_write(&sbi->cp_rwsem); |
39936837 JK |
2251 | } |
2252 | ||
e479556b | 2253 | static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi) |
39936837 | 2254 | { |
e4544b63 | 2255 | f2fs_up_write(&sbi->cp_rwsem); |
39a53e0c JK |
2256 | } |
2257 | ||
119ee914 JK |
2258 | static inline int __get_cp_reason(struct f2fs_sb_info *sbi) |
2259 | { | |
2260 | int reason = CP_SYNC; | |
2261 | ||
2262 | if (test_opt(sbi, FASTBOOT)) | |
2263 | reason = CP_FASTBOOT; | |
2264 | if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) | |
2265 | reason = CP_UMOUNT; | |
2266 | return reason; | |
2267 | } | |
2268 | ||
2269 | static inline bool __remain_node_summaries(int reason) | |
2270 | { | |
c473f1a9 | 2271 | return (reason & (CP_UMOUNT | CP_FASTBOOT)); |
119ee914 JK |
2272 | } |
2273 | ||
2274 | static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi) | |
2275 | { | |
aaec2b1d CY |
2276 | return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) || |
2277 | is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG)); | |
119ee914 JK |
2278 | } |
2279 | ||
39a53e0c JK |
2280 | /* |
2281 | * Check whether the inode has blocks or not | |
2282 | */ | |
2283 | static inline int F2FS_HAS_BLOCKS(struct inode *inode) | |
2284 | { | |
0eb0adad CY |
2285 | block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0; |
2286 | ||
000519f2 | 2287 | return (inode->i_blocks >> F2FS_LOG_SECTORS_PER_BLOCK) > xattr_block; |
39a53e0c JK |
2288 | } |
2289 | ||
4bc8e9bc CY |
2290 | static inline bool f2fs_has_xattr_block(unsigned int ofs) |
2291 | { | |
2292 | return ofs == XATTR_NODE_OFFSET; | |
2293 | } | |
2294 | ||
d8a9a229 | 2295 | static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi, |
a90a0884 | 2296 | struct inode *inode, bool cap) |
7c2e5963 | 2297 | { |
d8a9a229 JK |
2298 | if (!inode) |
2299 | return true; | |
7c2e5963 JK |
2300 | if (!test_opt(sbi, RESERVE_ROOT)) |
2301 | return false; | |
d8a9a229 JK |
2302 | if (IS_NOQUOTA(inode)) |
2303 | return true; | |
63189b78 | 2304 | if (uid_eq(F2FS_OPTION(sbi).s_resuid, current_fsuid())) |
7c2e5963 | 2305 | return true; |
63189b78 CY |
2306 | if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) && |
2307 | in_group_p(F2FS_OPTION(sbi).s_resgid)) | |
7c2e5963 | 2308 | return true; |
a90a0884 | 2309 | if (cap && capable(CAP_SYS_RESOURCE)) |
162b27ae | 2310 | return true; |
7c2e5963 JK |
2311 | return false; |
2312 | } | |
2313 | ||
0abd675e CY |
2314 | static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool); |
2315 | static inline int inc_valid_block_count(struct f2fs_sb_info *sbi, | |
46008c6d | 2316 | struct inode *inode, blkcnt_t *count) |
39a53e0c | 2317 | { |
0abd675e | 2318 | blkcnt_t diff = 0, release = 0; |
daeb433e | 2319 | block_t avail_user_block_count; |
0abd675e CY |
2320 | int ret; |
2321 | ||
2322 | ret = dquot_reserve_block(inode, *count); | |
2323 | if (ret) | |
2324 | return ret; | |
39a53e0c | 2325 | |
55523519 | 2326 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
c45d6002 | 2327 | f2fs_show_injection_info(sbi, FAULT_BLOCK); |
0abd675e | 2328 | release = *count; |
9ea2f0be | 2329 | goto release_quota; |
55523519 | 2330 | } |
7fa750a1 | 2331 | |
dd11a5df JK |
2332 | /* |
2333 | * let's increase this in prior to actual block count change in order | |
2334 | * for f2fs_sync_file to avoid data races when deciding checkpoint. | |
2335 | */ | |
2336 | percpu_counter_add(&sbi->alloc_valid_block_count, (*count)); | |
2337 | ||
2555a2d5 JK |
2338 | spin_lock(&sbi->stat_lock); |
2339 | sbi->total_valid_block_count += (block_t)(*count); | |
80d42145 YS |
2340 | avail_user_block_count = sbi->user_block_count - |
2341 | sbi->current_reserved_blocks; | |
7e65be49 | 2342 | |
a90a0884 | 2343 | if (!__allow_reserved_blocks(sbi, inode, true)) |
63189b78 | 2344 | avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks; |
300a8429 CY |
2345 | |
2346 | if (F2FS_IO_ALIGNED(sbi)) | |
2347 | avail_user_block_count -= sbi->blocks_per_seg * | |
2348 | SM_I(sbi)->additional_reserved_segments; | |
2349 | ||
a4c3ecaa DR |
2350 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) { |
2351 | if (avail_user_block_count > sbi->unusable_block_count) | |
2352 | avail_user_block_count -= sbi->unusable_block_count; | |
2353 | else | |
2354 | avail_user_block_count = 0; | |
2355 | } | |
daeb433e CY |
2356 | if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) { |
2357 | diff = sbi->total_valid_block_count - avail_user_block_count; | |
7e65be49 JK |
2358 | if (diff > *count) |
2359 | diff = *count; | |
dd11a5df | 2360 | *count -= diff; |
0abd675e | 2361 | release = diff; |
7e65be49 | 2362 | sbi->total_valid_block_count -= diff; |
46008c6d CY |
2363 | if (!*count) { |
2364 | spin_unlock(&sbi->stat_lock); | |
0abd675e | 2365 | goto enospc; |
46008c6d | 2366 | } |
39a53e0c | 2367 | } |
39a53e0c | 2368 | spin_unlock(&sbi->stat_lock); |
41382ec4 | 2369 | |
36b877af DR |
2370 | if (unlikely(release)) { |
2371 | percpu_counter_sub(&sbi->alloc_valid_block_count, release); | |
0abd675e | 2372 | dquot_release_reservation_block(inode, release); |
36b877af | 2373 | } |
0abd675e CY |
2374 | f2fs_i_blocks_write(inode, *count, true, true); |
2375 | return 0; | |
2376 | ||
2377 | enospc: | |
36b877af | 2378 | percpu_counter_sub(&sbi->alloc_valid_block_count, release); |
9ea2f0be | 2379 | release_quota: |
0abd675e CY |
2380 | dquot_release_reservation_block(inode, release); |
2381 | return -ENOSPC; | |
39a53e0c JK |
2382 | } |
2383 | ||
dcbb4c10 JP |
2384 | __printf(2, 3) |
2385 | void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...); | |
2386 | ||
2387 | #define f2fs_err(sbi, fmt, ...) \ | |
2388 | f2fs_printk(sbi, KERN_ERR fmt, ##__VA_ARGS__) | |
2389 | #define f2fs_warn(sbi, fmt, ...) \ | |
2390 | f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__) | |
2391 | #define f2fs_notice(sbi, fmt, ...) \ | |
2392 | f2fs_printk(sbi, KERN_NOTICE fmt, ##__VA_ARGS__) | |
2393 | #define f2fs_info(sbi, fmt, ...) \ | |
2394 | f2fs_printk(sbi, KERN_INFO fmt, ##__VA_ARGS__) | |
2395 | #define f2fs_debug(sbi, fmt, ...) \ | |
2396 | f2fs_printk(sbi, KERN_DEBUG fmt, ##__VA_ARGS__) | |
2397 | ||
da19b0dc | 2398 | static inline void dec_valid_block_count(struct f2fs_sb_info *sbi, |
39a53e0c | 2399 | struct inode *inode, |
0eb0adad | 2400 | block_t count) |
39a53e0c | 2401 | { |
0eb0adad CY |
2402 | blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK; |
2403 | ||
39a53e0c | 2404 | spin_lock(&sbi->stat_lock); |
9850cf4a | 2405 | f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count); |
39a53e0c | 2406 | sbi->total_valid_block_count -= (block_t)count; |
80d42145 YS |
2407 | if (sbi->reserved_blocks && |
2408 | sbi->current_reserved_blocks < sbi->reserved_blocks) | |
2409 | sbi->current_reserved_blocks = min(sbi->reserved_blocks, | |
2410 | sbi->current_reserved_blocks + count); | |
39a53e0c | 2411 | spin_unlock(&sbi->stat_lock); |
5e159cd3 | 2412 | if (unlikely(inode->i_blocks < sectors)) { |
dcbb4c10 JP |
2413 | f2fs_warn(sbi, "Inconsistent i_blocks, ino:%lu, iblocks:%llu, sectors:%llu", |
2414 | inode->i_ino, | |
2415 | (unsigned long long)inode->i_blocks, | |
2416 | (unsigned long long)sectors); | |
5e159cd3 CY |
2417 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
2418 | return; | |
2419 | } | |
0abd675e | 2420 | f2fs_i_blocks_write(inode, count, false, true); |
39a53e0c JK |
2421 | } |
2422 | ||
2423 | static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type) | |
2424 | { | |
35782b23 | 2425 | atomic_inc(&sbi->nr_pages[count_type]); |
7c4abcbe | 2426 | |
20109873 CY |
2427 | if (count_type == F2FS_DIRTY_DENTS || |
2428 | count_type == F2FS_DIRTY_NODES || | |
2429 | count_type == F2FS_DIRTY_META || | |
2430 | count_type == F2FS_DIRTY_QDATA || | |
2431 | count_type == F2FS_DIRTY_IMETA) | |
2432 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
39a53e0c JK |
2433 | } |
2434 | ||
a7ffdbe2 | 2435 | static inline void inode_inc_dirty_pages(struct inode *inode) |
39a53e0c | 2436 | { |
204706c7 | 2437 | atomic_inc(&F2FS_I(inode)->dirty_pages); |
c227f912 CY |
2438 | inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
2439 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
2c8a4a28 JK |
2440 | if (IS_NOQUOTA(inode)) |
2441 | inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); | |
39a53e0c JK |
2442 | } |
2443 | ||
2444 | static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type) | |
2445 | { | |
35782b23 | 2446 | atomic_dec(&sbi->nr_pages[count_type]); |
39a53e0c JK |
2447 | } |
2448 | ||
a7ffdbe2 | 2449 | static inline void inode_dec_dirty_pages(struct inode *inode) |
39a53e0c | 2450 | { |
5ac9f36f CY |
2451 | if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) && |
2452 | !S_ISLNK(inode->i_mode)) | |
1fe54f9d JK |
2453 | return; |
2454 | ||
204706c7 | 2455 | atomic_dec(&F2FS_I(inode)->dirty_pages); |
c227f912 CY |
2456 | dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
2457 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
2c8a4a28 JK |
2458 | if (IS_NOQUOTA(inode)) |
2459 | dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); | |
39a53e0c JK |
2460 | } |
2461 | ||
f8e2f32b DJ |
2462 | static inline void inc_atomic_write_cnt(struct inode *inode) |
2463 | { | |
2464 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
2465 | struct f2fs_inode_info *fi = F2FS_I(inode); | |
2466 | u64 current_write; | |
2467 | ||
2468 | fi->atomic_write_cnt++; | |
2469 | atomic64_inc(&sbi->current_atomic_write); | |
2470 | current_write = atomic64_read(&sbi->current_atomic_write); | |
2471 | if (current_write > sbi->peak_atomic_write) | |
2472 | sbi->peak_atomic_write = current_write; | |
2473 | } | |
2474 | ||
2475 | static inline void release_atomic_write_cnt(struct inode *inode) | |
2476 | { | |
2477 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
2478 | struct f2fs_inode_info *fi = F2FS_I(inode); | |
2479 | ||
2480 | atomic64_sub(fi->atomic_write_cnt, &sbi->current_atomic_write); | |
2481 | fi->atomic_write_cnt = 0; | |
2482 | } | |
2483 | ||
523be8a6 | 2484 | static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type) |
39a53e0c | 2485 | { |
35782b23 | 2486 | return atomic_read(&sbi->nr_pages[count_type]); |
39a53e0c JK |
2487 | } |
2488 | ||
204706c7 | 2489 | static inline int get_dirty_pages(struct inode *inode) |
f8b2c1f9 | 2490 | { |
204706c7 | 2491 | return atomic_read(&F2FS_I(inode)->dirty_pages); |
f8b2c1f9 JK |
2492 | } |
2493 | ||
5ac206cf NJ |
2494 | static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type) |
2495 | { | |
3519e3f9 | 2496 | unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg; |
523be8a6 JK |
2497 | unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >> |
2498 | sbi->log_blocks_per_seg; | |
2499 | ||
2500 | return segs / sbi->segs_per_sec; | |
5ac206cf NJ |
2501 | } |
2502 | ||
39a53e0c JK |
2503 | static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi) |
2504 | { | |
8b8343fa | 2505 | return sbi->total_valid_block_count; |
39a53e0c JK |
2506 | } |
2507 | ||
f83a2584 YH |
2508 | static inline block_t discard_blocks(struct f2fs_sb_info *sbi) |
2509 | { | |
2510 | return sbi->discard_blks; | |
2511 | } | |
2512 | ||
39a53e0c JK |
2513 | static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag) |
2514 | { | |
2515 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
2516 | ||
2517 | /* return NAT or SIT bitmap */ | |
2518 | if (flag == NAT_BITMAP) | |
2519 | return le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); | |
2520 | else if (flag == SIT_BITMAP) | |
2521 | return le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); | |
2522 | ||
2523 | return 0; | |
2524 | } | |
2525 | ||
55141486 WL |
2526 | static inline block_t __cp_payload(struct f2fs_sb_info *sbi) |
2527 | { | |
2528 | return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload); | |
2529 | } | |
2530 | ||
39a53e0c JK |
2531 | static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag) |
2532 | { | |
2533 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
4260c406 | 2534 | void *tmp_ptr = &ckpt->sit_nat_version_bitmap; |
1dbe4152 CL |
2535 | int offset; |
2536 | ||
199bc3fe CY |
2537 | if (is_set_ckpt_flags(sbi, CP_LARGE_NAT_BITMAP_FLAG)) { |
2538 | offset = (flag == SIT_BITMAP) ? | |
2539 | le32_to_cpu(ckpt->nat_ver_bitmap_bytesize) : 0; | |
b471eb99 CY |
2540 | /* |
2541 | * if large_nat_bitmap feature is enabled, leave checksum | |
2542 | * protection for all nat/sit bitmaps. | |
2543 | */ | |
4260c406 | 2544 | return tmp_ptr + offset + sizeof(__le32); |
199bc3fe CY |
2545 | } |
2546 | ||
55141486 | 2547 | if (__cp_payload(sbi) > 0) { |
1dbe4152 | 2548 | if (flag == NAT_BITMAP) |
280dfeae | 2549 | return tmp_ptr; |
1dbe4152 | 2550 | else |
65b85ccc | 2551 | return (unsigned char *)ckpt + F2FS_BLKSIZE; |
1dbe4152 CL |
2552 | } else { |
2553 | offset = (flag == NAT_BITMAP) ? | |
25ca923b | 2554 | le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0; |
4260c406 | 2555 | return tmp_ptr + offset; |
1dbe4152 | 2556 | } |
39a53e0c JK |
2557 | } |
2558 | ||
2559 | static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi) | |
2560 | { | |
8508e44a | 2561 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); |
39a53e0c | 2562 | |
8508e44a | 2563 | if (sbi->cur_cp_pack == 2) |
39a53e0c | 2564 | start_addr += sbi->blocks_per_seg; |
8508e44a JK |
2565 | return start_addr; |
2566 | } | |
39a53e0c | 2567 | |
8508e44a JK |
2568 | static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi) |
2569 | { | |
2570 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); | |
39a53e0c | 2571 | |
8508e44a JK |
2572 | if (sbi->cur_cp_pack == 1) |
2573 | start_addr += sbi->blocks_per_seg; | |
39a53e0c JK |
2574 | return start_addr; |
2575 | } | |
2576 | ||
8508e44a JK |
2577 | static inline void __set_cp_next_pack(struct f2fs_sb_info *sbi) |
2578 | { | |
2579 | sbi->cur_cp_pack = (sbi->cur_cp_pack == 1) ? 2 : 1; | |
2580 | } | |
2581 | ||
39a53e0c JK |
2582 | static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi) |
2583 | { | |
2584 | return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum); | |
2585 | } | |
2586 | ||
3bac20a8 | 2587 | extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync); |
0abd675e | 2588 | static inline int inc_valid_node_count(struct f2fs_sb_info *sbi, |
000519f2 | 2589 | struct inode *inode, bool is_inode) |
39a53e0c JK |
2590 | { |
2591 | block_t valid_block_count; | |
a4c3ecaa | 2592 | unsigned int valid_node_count, user_block_count; |
af033b2a | 2593 | int err; |
0abd675e | 2594 | |
af033b2a CY |
2595 | if (is_inode) { |
2596 | if (inode) { | |
2597 | err = dquot_alloc_inode(inode); | |
2598 | if (err) | |
2599 | return err; | |
2600 | } | |
2601 | } else { | |
2602 | err = dquot_reserve_block(inode, 1); | |
2603 | if (err) | |
2604 | return err; | |
0abd675e | 2605 | } |
39a53e0c | 2606 | |
812c6056 | 2607 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
c45d6002 | 2608 | f2fs_show_injection_info(sbi, FAULT_BLOCK); |
812c6056 CY |
2609 | goto enospc; |
2610 | } | |
812c6056 | 2611 | |
39a53e0c JK |
2612 | spin_lock(&sbi->stat_lock); |
2613 | ||
7e65be49 JK |
2614 | valid_block_count = sbi->total_valid_block_count + |
2615 | sbi->current_reserved_blocks + 1; | |
2616 | ||
a90a0884 | 2617 | if (!__allow_reserved_blocks(sbi, inode, false)) |
63189b78 | 2618 | valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks; |
300a8429 CY |
2619 | |
2620 | if (F2FS_IO_ALIGNED(sbi)) | |
2621 | valid_block_count += sbi->blocks_per_seg * | |
2622 | SM_I(sbi)->additional_reserved_segments; | |
2623 | ||
a4c3ecaa | 2624 | user_block_count = sbi->user_block_count; |
4354994f | 2625 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) |
a4c3ecaa | 2626 | user_block_count -= sbi->unusable_block_count; |
7e65be49 | 2627 | |
a4c3ecaa | 2628 | if (unlikely(valid_block_count > user_block_count)) { |
39a53e0c | 2629 | spin_unlock(&sbi->stat_lock); |
0abd675e | 2630 | goto enospc; |
39a53e0c JK |
2631 | } |
2632 | ||
ef86d709 | 2633 | valid_node_count = sbi->total_valid_node_count + 1; |
cfb271d4 | 2634 | if (unlikely(valid_node_count > sbi->total_node_count)) { |
39a53e0c | 2635 | spin_unlock(&sbi->stat_lock); |
0abd675e | 2636 | goto enospc; |
39a53e0c JK |
2637 | } |
2638 | ||
ef86d709 GZ |
2639 | sbi->total_valid_node_count++; |
2640 | sbi->total_valid_block_count++; | |
39a53e0c JK |
2641 | spin_unlock(&sbi->stat_lock); |
2642 | ||
000519f2 CY |
2643 | if (inode) { |
2644 | if (is_inode) | |
2645 | f2fs_mark_inode_dirty_sync(inode, true); | |
2646 | else | |
0abd675e | 2647 | f2fs_i_blocks_write(inode, 1, true, true); |
000519f2 | 2648 | } |
ef86d709 | 2649 | |
41382ec4 | 2650 | percpu_counter_inc(&sbi->alloc_valid_block_count); |
0abd675e CY |
2651 | return 0; |
2652 | ||
2653 | enospc: | |
af033b2a CY |
2654 | if (is_inode) { |
2655 | if (inode) | |
2656 | dquot_free_inode(inode); | |
2657 | } else { | |
0abd675e | 2658 | dquot_release_reservation_block(inode, 1); |
af033b2a | 2659 | } |
0abd675e | 2660 | return -ENOSPC; |
39a53e0c JK |
2661 | } |
2662 | ||
2663 | static inline void dec_valid_node_count(struct f2fs_sb_info *sbi, | |
000519f2 | 2664 | struct inode *inode, bool is_inode) |
39a53e0c JK |
2665 | { |
2666 | spin_lock(&sbi->stat_lock); | |
2667 | ||
4d17e6fe CY |
2668 | if (unlikely(!sbi->total_valid_block_count || |
2669 | !sbi->total_valid_node_count)) { | |
2670 | f2fs_warn(sbi, "dec_valid_node_count: inconsistent block counts, total_valid_block:%u, total_valid_node:%u", | |
2671 | sbi->total_valid_block_count, | |
2672 | sbi->total_valid_node_count); | |
2673 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
2674 | } else { | |
2675 | sbi->total_valid_block_count--; | |
2676 | sbi->total_valid_node_count--; | |
2677 | } | |
39a53e0c | 2678 | |
80d42145 YS |
2679 | if (sbi->reserved_blocks && |
2680 | sbi->current_reserved_blocks < sbi->reserved_blocks) | |
2681 | sbi->current_reserved_blocks++; | |
39a53e0c JK |
2682 | |
2683 | spin_unlock(&sbi->stat_lock); | |
0abd675e | 2684 | |
ea6d7e72 | 2685 | if (is_inode) { |
af033b2a | 2686 | dquot_free_inode(inode); |
ea6d7e72 CY |
2687 | } else { |
2688 | if (unlikely(inode->i_blocks == 0)) { | |
097a7686 | 2689 | f2fs_warn(sbi, "dec_valid_node_count: inconsistent i_blocks, ino:%lu, iblocks:%llu", |
dcbb4c10 JP |
2690 | inode->i_ino, |
2691 | (unsigned long long)inode->i_blocks); | |
ea6d7e72 CY |
2692 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
2693 | return; | |
2694 | } | |
0abd675e | 2695 | f2fs_i_blocks_write(inode, 1, false, true); |
ea6d7e72 | 2696 | } |
39a53e0c JK |
2697 | } |
2698 | ||
2699 | static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi) | |
2700 | { | |
8b8343fa | 2701 | return sbi->total_valid_node_count; |
39a53e0c JK |
2702 | } |
2703 | ||
2704 | static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi) | |
2705 | { | |
513c5f37 | 2706 | percpu_counter_inc(&sbi->total_valid_inode_count); |
39a53e0c JK |
2707 | } |
2708 | ||
0e80220a | 2709 | static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 2710 | { |
513c5f37 | 2711 | percpu_counter_dec(&sbi->total_valid_inode_count); |
39a53e0c JK |
2712 | } |
2713 | ||
513c5f37 | 2714 | static inline s64 valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 2715 | { |
513c5f37 | 2716 | return percpu_counter_sum_positive(&sbi->total_valid_inode_count); |
39a53e0c JK |
2717 | } |
2718 | ||
a56c7c6f JK |
2719 | static inline struct page *f2fs_grab_cache_page(struct address_space *mapping, |
2720 | pgoff_t index, bool for_write) | |
2721 | { | |
82cf4f13 | 2722 | struct page *page; |
df808180 | 2723 | unsigned int flags; |
cac5a3d8 | 2724 | |
7fa750a1 AB |
2725 | if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION)) { |
2726 | if (!for_write) | |
2727 | page = find_get_page_flags(mapping, index, | |
2728 | FGP_LOCK | FGP_ACCESSED); | |
2729 | else | |
2730 | page = find_lock_page(mapping, index); | |
2731 | if (page) | |
2732 | return page; | |
c41f3cc3 | 2733 | |
7fa750a1 | 2734 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) { |
c45d6002 CY |
2735 | f2fs_show_injection_info(F2FS_M_SB(mapping), |
2736 | FAULT_PAGE_ALLOC); | |
7fa750a1 AB |
2737 | return NULL; |
2738 | } | |
55523519 | 2739 | } |
7fa750a1 | 2740 | |
a56c7c6f JK |
2741 | if (!for_write) |
2742 | return grab_cache_page(mapping, index); | |
df808180 MWO |
2743 | |
2744 | flags = memalloc_nofs_save(); | |
b7446e7c | 2745 | page = grab_cache_page_write_begin(mapping, index); |
df808180 MWO |
2746 | memalloc_nofs_restore(flags); |
2747 | ||
2748 | return page; | |
a56c7c6f JK |
2749 | } |
2750 | ||
01eccef7 CY |
2751 | static inline struct page *f2fs_pagecache_get_page( |
2752 | struct address_space *mapping, pgoff_t index, | |
2753 | int fgp_flags, gfp_t gfp_mask) | |
2754 | { | |
01eccef7 | 2755 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET)) { |
c45d6002 | 2756 | f2fs_show_injection_info(F2FS_M_SB(mapping), FAULT_PAGE_GET); |
01eccef7 CY |
2757 | return NULL; |
2758 | } | |
7fa750a1 | 2759 | |
01eccef7 CY |
2760 | return pagecache_get_page(mapping, index, fgp_flags, gfp_mask); |
2761 | } | |
2762 | ||
39a53e0c JK |
2763 | static inline void f2fs_put_page(struct page *page, int unlock) |
2764 | { | |
031fa8cc | 2765 | if (!page) |
39a53e0c JK |
2766 | return; |
2767 | ||
2768 | if (unlock) { | |
9850cf4a | 2769 | f2fs_bug_on(F2FS_P_SB(page), !PageLocked(page)); |
39a53e0c JK |
2770 | unlock_page(page); |
2771 | } | |
09cbfeaf | 2772 | put_page(page); |
39a53e0c JK |
2773 | } |
2774 | ||
2775 | static inline void f2fs_put_dnode(struct dnode_of_data *dn) | |
2776 | { | |
2777 | if (dn->node_page) | |
2778 | f2fs_put_page(dn->node_page, 1); | |
2779 | if (dn->inode_page && dn->node_page != dn->inode_page) | |
2780 | f2fs_put_page(dn->inode_page, 0); | |
2781 | dn->node_page = NULL; | |
2782 | dn->inode_page = NULL; | |
2783 | } | |
2784 | ||
2785 | static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name, | |
e8512d2e | 2786 | size_t size) |
39a53e0c | 2787 | { |
e8512d2e | 2788 | return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL); |
39a53e0c JK |
2789 | } |
2790 | ||
32410577 | 2791 | static inline void *f2fs_kmem_cache_alloc_nofail(struct kmem_cache *cachep, |
7bd59381 GZ |
2792 | gfp_t flags) |
2793 | { | |
2794 | void *entry; | |
7bd59381 | 2795 | |
80c54505 JK |
2796 | entry = kmem_cache_alloc(cachep, flags); |
2797 | if (!entry) | |
2798 | entry = kmem_cache_alloc(cachep, flags | __GFP_NOFAIL); | |
7bd59381 GZ |
2799 | return entry; |
2800 | } | |
2801 | ||
32410577 CY |
2802 | static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep, |
2803 | gfp_t flags, bool nofail, struct f2fs_sb_info *sbi) | |
2804 | { | |
2805 | if (nofail) | |
2806 | return f2fs_kmem_cache_alloc_nofail(cachep, flags); | |
2807 | ||
2808 | if (time_to_inject(sbi, FAULT_SLAB_ALLOC)) { | |
2809 | f2fs_show_injection_info(sbi, FAULT_SLAB_ALLOC); | |
2810 | return NULL; | |
2811 | } | |
2812 | ||
2813 | return kmem_cache_alloc(cachep, flags); | |
2814 | } | |
2815 | ||
493720a4 | 2816 | static inline bool is_inflight_io(struct f2fs_sb_info *sbi, int type) |
5f9abab4 JK |
2817 | { |
2818 | if (get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_RD_NODE) || | |
2819 | get_pages(sbi, F2FS_RD_META) || get_pages(sbi, F2FS_WB_DATA) || | |
fef4129e CY |
2820 | get_pages(sbi, F2FS_WB_CP_DATA) || |
2821 | get_pages(sbi, F2FS_DIO_READ) || | |
11ac8ef8 | 2822 | get_pages(sbi, F2FS_DIO_WRITE)) |
493720a4 | 2823 | return true; |
11ac8ef8 | 2824 | |
56659ce8 | 2825 | if (type != DISCARD_TIME && SM_I(sbi) && SM_I(sbi)->dcc_info && |
11ac8ef8 | 2826 | atomic_read(&SM_I(sbi)->dcc_info->queued_discard)) |
493720a4 | 2827 | return true; |
11ac8ef8 JK |
2828 | |
2829 | if (SM_I(sbi) && SM_I(sbi)->fcc_info && | |
2830 | atomic_read(&SM_I(sbi)->fcc_info->queued_flush)) | |
493720a4 CY |
2831 | return true; |
2832 | return false; | |
2833 | } | |
2834 | ||
2835 | static inline bool is_idle(struct f2fs_sb_info *sbi, int type) | |
2836 | { | |
2837 | if (sbi->gc_mode == GC_URGENT_HIGH) | |
2838 | return true; | |
2839 | ||
2840 | if (is_inflight_io(sbi, type)) | |
11ac8ef8 JK |
2841 | return false; |
2842 | ||
d98af5f4 DJ |
2843 | if (sbi->gc_mode == GC_URGENT_MID) |
2844 | return true; | |
2845 | ||
0e5e8111 DJ |
2846 | if (sbi->gc_mode == GC_URGENT_LOW && |
2847 | (type == DISCARD_TIME || type == GC_TIME)) | |
2848 | return true; | |
2849 | ||
5f9abab4 JK |
2850 | return f2fs_time_over(sbi, type); |
2851 | } | |
2852 | ||
9be32d72 JK |
2853 | static inline void f2fs_radix_tree_insert(struct radix_tree_root *root, |
2854 | unsigned long index, void *item) | |
2855 | { | |
2856 | while (radix_tree_insert(root, index, item)) | |
2857 | cond_resched(); | |
2858 | } | |
2859 | ||
39a53e0c JK |
2860 | #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino) |
2861 | ||
2862 | static inline bool IS_INODE(struct page *page) | |
2863 | { | |
45590710 | 2864 | struct f2fs_node *p = F2FS_NODE(page); |
cac5a3d8 | 2865 | |
39a53e0c JK |
2866 | return RAW_IS_INODE(p); |
2867 | } | |
2868 | ||
7a2af766 CY |
2869 | static inline int offset_in_addr(struct f2fs_inode *i) |
2870 | { | |
2871 | return (i->i_inline & F2FS_EXTRA_ATTR) ? | |
2872 | (le16_to_cpu(i->i_extra_isize) / sizeof(__le32)) : 0; | |
2873 | } | |
2874 | ||
39a53e0c JK |
2875 | static inline __le32 *blkaddr_in_node(struct f2fs_node *node) |
2876 | { | |
2877 | return RAW_IS_INODE(node) ? node->i.i_addr : node->dn.addr; | |
2878 | } | |
2879 | ||
7a2af766 | 2880 | static inline int f2fs_has_extra_attr(struct inode *inode); |
a2ced1ce | 2881 | static inline block_t data_blkaddr(struct inode *inode, |
7a2af766 | 2882 | struct page *node_page, unsigned int offset) |
39a53e0c JK |
2883 | { |
2884 | struct f2fs_node *raw_node; | |
2885 | __le32 *addr_array; | |
7a2af766 CY |
2886 | int base = 0; |
2887 | bool is_inode = IS_INODE(node_page); | |
cac5a3d8 | 2888 | |
45590710 | 2889 | raw_node = F2FS_NODE(node_page); |
7a2af766 | 2890 | |
979f492f L |
2891 | if (is_inode) { |
2892 | if (!inode) | |
7a88ddb5 | 2893 | /* from GC path only */ |
7a2af766 | 2894 | base = offset_in_addr(&raw_node->i); |
979f492f L |
2895 | else if (f2fs_has_extra_attr(inode)) |
2896 | base = get_extra_isize(inode); | |
7a2af766 CY |
2897 | } |
2898 | ||
39a53e0c | 2899 | addr_array = blkaddr_in_node(raw_node); |
7a2af766 | 2900 | return le32_to_cpu(addr_array[base + offset]); |
39a53e0c JK |
2901 | } |
2902 | ||
a2ced1ce CY |
2903 | static inline block_t f2fs_data_blkaddr(struct dnode_of_data *dn) |
2904 | { | |
2905 | return data_blkaddr(dn->inode, dn->node_page, dn->ofs_in_node); | |
2906 | } | |
2907 | ||
39a53e0c JK |
2908 | static inline int f2fs_test_bit(unsigned int nr, char *addr) |
2909 | { | |
2910 | int mask; | |
2911 | ||
2912 | addr += (nr >> 3); | |
2913 | mask = 1 << (7 - (nr & 0x07)); | |
2914 | return mask & *addr; | |
2915 | } | |
2916 | ||
a66cdd98 JK |
2917 | static inline void f2fs_set_bit(unsigned int nr, char *addr) |
2918 | { | |
2919 | int mask; | |
2920 | ||
2921 | addr += (nr >> 3); | |
2922 | mask = 1 << (7 - (nr & 0x07)); | |
2923 | *addr |= mask; | |
2924 | } | |
2925 | ||
2926 | static inline void f2fs_clear_bit(unsigned int nr, char *addr) | |
2927 | { | |
2928 | int mask; | |
2929 | ||
2930 | addr += (nr >> 3); | |
2931 | mask = 1 << (7 - (nr & 0x07)); | |
2932 | *addr &= ~mask; | |
2933 | } | |
2934 | ||
52aca074 | 2935 | static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr) |
39a53e0c JK |
2936 | { |
2937 | int mask; | |
2938 | int ret; | |
2939 | ||
2940 | addr += (nr >> 3); | |
2941 | mask = 1 << (7 - (nr & 0x07)); | |
2942 | ret = mask & *addr; | |
2943 | *addr |= mask; | |
2944 | return ret; | |
2945 | } | |
2946 | ||
52aca074 | 2947 | static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr) |
39a53e0c JK |
2948 | { |
2949 | int mask; | |
2950 | int ret; | |
2951 | ||
2952 | addr += (nr >> 3); | |
2953 | mask = 1 << (7 - (nr & 0x07)); | |
2954 | ret = mask & *addr; | |
2955 | *addr &= ~mask; | |
2956 | return ret; | |
2957 | } | |
2958 | ||
c6ac4c0e GZ |
2959 | static inline void f2fs_change_bit(unsigned int nr, char *addr) |
2960 | { | |
2961 | int mask; | |
2962 | ||
2963 | addr += (nr >> 3); | |
2964 | mask = 1 << (7 - (nr & 0x07)); | |
2965 | *addr ^= mask; | |
2966 | } | |
2967 | ||
59c84408 | 2968 | /* |
36098557 | 2969 | * On-disk inode flags (f2fs_inode::i_flags) |
59c84408 | 2970 | */ |
4c8ff709 | 2971 | #define F2FS_COMPR_FL 0x00000004 /* Compress file */ |
59c84408 CY |
2972 | #define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */ |
2973 | #define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */ | |
2974 | #define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */ | |
2975 | #define F2FS_NODUMP_FL 0x00000040 /* do not dump file */ | |
2976 | #define F2FS_NOATIME_FL 0x00000080 /* do not update atime */ | |
4c8ff709 | 2977 | #define F2FS_NOCOMP_FL 0x00000400 /* Don't compress */ |
59c84408 | 2978 | #define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */ |
59c84408 | 2979 | #define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */ |
59c84408 | 2980 | #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */ |
2c2eb7a3 | 2981 | #define F2FS_CASEFOLD_FL 0x40000000 /* Casefolded file */ |
59c84408 CY |
2982 | |
2983 | /* Flags that should be inherited by new inodes from their parent. */ | |
36098557 | 2984 | #define F2FS_FL_INHERITED (F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL | \ |
2c2eb7a3 | 2985 | F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \ |
787caf1b | 2986 | F2FS_CASEFOLD_FL) |
59c84408 CY |
2987 | |
2988 | /* Flags that are appropriate for regular files (all but dir-specific ones). */ | |
2c2eb7a3 DR |
2989 | #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \ |
2990 | F2FS_CASEFOLD_FL)) | |
59c84408 CY |
2991 | |
2992 | /* Flags that are appropriate for non-directories/regular files. */ | |
2993 | #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL) | |
5c57132e CY |
2994 | |
2995 | static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags) | |
2996 | { | |
2997 | if (S_ISDIR(mode)) | |
2998 | return flags; | |
2999 | else if (S_ISREG(mode)) | |
3000 | return flags & F2FS_REG_FLMASK; | |
3001 | else | |
3002 | return flags & F2FS_OTHER_FLMASK; | |
3003 | } | |
3004 | ||
205b9822 JK |
3005 | static inline void __mark_inode_dirty_flag(struct inode *inode, |
3006 | int flag, bool set) | |
3007 | { | |
3008 | switch (flag) { | |
3009 | case FI_INLINE_XATTR: | |
3010 | case FI_INLINE_DATA: | |
3011 | case FI_INLINE_DENTRY: | |
9ac1e2d8 | 3012 | case FI_NEW_INODE: |
205b9822 JK |
3013 | if (set) |
3014 | return; | |
df561f66 | 3015 | fallthrough; |
205b9822 JK |
3016 | case FI_DATA_EXIST: |
3017 | case FI_INLINE_DOTS: | |
1ad71a27 | 3018 | case FI_PIN_FILE: |
c6140415 | 3019 | case FI_COMPRESS_RELEASED: |
7c45729a | 3020 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
3021 | } |
3022 | } | |
3023 | ||
91942321 | 3024 | static inline void set_inode_flag(struct inode *inode, int flag) |
39a53e0c | 3025 | { |
58f7e00f | 3026 | set_bit(flag, F2FS_I(inode)->flags); |
205b9822 | 3027 | __mark_inode_dirty_flag(inode, flag, true); |
39a53e0c JK |
3028 | } |
3029 | ||
91942321 | 3030 | static inline int is_inode_flag_set(struct inode *inode, int flag) |
39a53e0c | 3031 | { |
7653b9d8 | 3032 | return test_bit(flag, F2FS_I(inode)->flags); |
39a53e0c JK |
3033 | } |
3034 | ||
91942321 | 3035 | static inline void clear_inode_flag(struct inode *inode, int flag) |
39a53e0c | 3036 | { |
58f7e00f | 3037 | clear_bit(flag, F2FS_I(inode)->flags); |
205b9822 | 3038 | __mark_inode_dirty_flag(inode, flag, false); |
39a53e0c JK |
3039 | } |
3040 | ||
95ae251f EB |
3041 | static inline bool f2fs_verity_in_progress(struct inode *inode) |
3042 | { | |
3043 | return IS_ENABLED(CONFIG_FS_VERITY) && | |
3044 | is_inode_flag_set(inode, FI_VERITY_IN_PROGRESS); | |
3045 | } | |
3046 | ||
91942321 | 3047 | static inline void set_acl_inode(struct inode *inode, umode_t mode) |
39a53e0c | 3048 | { |
91942321 JK |
3049 | F2FS_I(inode)->i_acl_mode = mode; |
3050 | set_inode_flag(inode, FI_ACL_MODE); | |
7c45729a | 3051 | f2fs_mark_inode_dirty_sync(inode, false); |
39a53e0c JK |
3052 | } |
3053 | ||
a1961246 | 3054 | static inline void f2fs_i_links_write(struct inode *inode, bool inc) |
39a53e0c | 3055 | { |
a1961246 JK |
3056 | if (inc) |
3057 | inc_nlink(inode); | |
3058 | else | |
3059 | drop_nlink(inode); | |
7c45729a | 3060 | f2fs_mark_inode_dirty_sync(inode, true); |
a1961246 JK |
3061 | } |
3062 | ||
8edd03c8 | 3063 | static inline void f2fs_i_blocks_write(struct inode *inode, |
0abd675e | 3064 | block_t diff, bool add, bool claim) |
8edd03c8 | 3065 | { |
26de9b11 JK |
3066 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
3067 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
3068 | ||
0abd675e CY |
3069 | /* add = 1, claim = 1 should be dquot_reserve_block in pair */ |
3070 | if (add) { | |
3071 | if (claim) | |
3072 | dquot_claim_block(inode, diff); | |
3073 | else | |
3074 | dquot_alloc_block_nofail(inode, diff); | |
3075 | } else { | |
3076 | dquot_free_block(inode, diff); | |
3077 | } | |
3078 | ||
7c45729a | 3079 | f2fs_mark_inode_dirty_sync(inode, true); |
26de9b11 JK |
3080 | if (clean || recover) |
3081 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
8edd03c8 JK |
3082 | } |
3083 | ||
4d8d45df DJ |
3084 | static inline bool f2fs_is_atomic_file(struct inode *inode); |
3085 | ||
fc9581c8 JK |
3086 | static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size) |
3087 | { | |
26de9b11 JK |
3088 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
3089 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
3090 | ||
fc9581c8 JK |
3091 | if (i_size_read(inode) == i_size) |
3092 | return; | |
3093 | ||
3094 | i_size_write(inode, i_size); | |
4d8d45df DJ |
3095 | |
3096 | if (f2fs_is_atomic_file(inode)) | |
3097 | return; | |
3098 | ||
7c45729a | 3099 | f2fs_mark_inode_dirty_sync(inode, true); |
26de9b11 JK |
3100 | if (clean || recover) |
3101 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
39a53e0c JK |
3102 | } |
3103 | ||
205b9822 | 3104 | static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth) |
39a53e0c | 3105 | { |
205b9822 | 3106 | F2FS_I(inode)->i_current_depth = depth; |
7c45729a | 3107 | f2fs_mark_inode_dirty_sync(inode, true); |
39a53e0c JK |
3108 | } |
3109 | ||
1ad71a27 JK |
3110 | static inline void f2fs_i_gc_failures_write(struct inode *inode, |
3111 | unsigned int count) | |
3112 | { | |
2ef79ecb | 3113 | F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN] = count; |
1ad71a27 JK |
3114 | f2fs_mark_inode_dirty_sync(inode, true); |
3115 | } | |
3116 | ||
205b9822 | 3117 | static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid) |
444c580f | 3118 | { |
205b9822 | 3119 | F2FS_I(inode)->i_xattr_nid = xnid; |
7c45729a | 3120 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
3121 | } |
3122 | ||
3123 | static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino) | |
3124 | { | |
3125 | F2FS_I(inode)->i_pino = pino; | |
7c45729a | 3126 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
3127 | } |
3128 | ||
91942321 | 3129 | static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri) |
444c580f | 3130 | { |
205b9822 JK |
3131 | struct f2fs_inode_info *fi = F2FS_I(inode); |
3132 | ||
444c580f | 3133 | if (ri->i_inline & F2FS_INLINE_XATTR) |
7653b9d8 | 3134 | set_bit(FI_INLINE_XATTR, fi->flags); |
1001b347 | 3135 | if (ri->i_inline & F2FS_INLINE_DATA) |
7653b9d8 | 3136 | set_bit(FI_INLINE_DATA, fi->flags); |
34d67deb | 3137 | if (ri->i_inline & F2FS_INLINE_DENTRY) |
7653b9d8 | 3138 | set_bit(FI_INLINE_DENTRY, fi->flags); |
b3d208f9 | 3139 | if (ri->i_inline & F2FS_DATA_EXIST) |
7653b9d8 | 3140 | set_bit(FI_DATA_EXIST, fi->flags); |
510022a8 | 3141 | if (ri->i_inline & F2FS_INLINE_DOTS) |
7653b9d8 | 3142 | set_bit(FI_INLINE_DOTS, fi->flags); |
7a2af766 | 3143 | if (ri->i_inline & F2FS_EXTRA_ATTR) |
7653b9d8 | 3144 | set_bit(FI_EXTRA_ATTR, fi->flags); |
1ad71a27 | 3145 | if (ri->i_inline & F2FS_PIN_FILE) |
7653b9d8 | 3146 | set_bit(FI_PIN_FILE, fi->flags); |
c6140415 JK |
3147 | if (ri->i_inline & F2FS_COMPRESS_RELEASED) |
3148 | set_bit(FI_COMPRESS_RELEASED, fi->flags); | |
444c580f JK |
3149 | } |
3150 | ||
91942321 | 3151 | static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri) |
444c580f JK |
3152 | { |
3153 | ri->i_inline = 0; | |
3154 | ||
91942321 | 3155 | if (is_inode_flag_set(inode, FI_INLINE_XATTR)) |
444c580f | 3156 | ri->i_inline |= F2FS_INLINE_XATTR; |
91942321 | 3157 | if (is_inode_flag_set(inode, FI_INLINE_DATA)) |
1001b347 | 3158 | ri->i_inline |= F2FS_INLINE_DATA; |
91942321 | 3159 | if (is_inode_flag_set(inode, FI_INLINE_DENTRY)) |
34d67deb | 3160 | ri->i_inline |= F2FS_INLINE_DENTRY; |
91942321 | 3161 | if (is_inode_flag_set(inode, FI_DATA_EXIST)) |
b3d208f9 | 3162 | ri->i_inline |= F2FS_DATA_EXIST; |
91942321 | 3163 | if (is_inode_flag_set(inode, FI_INLINE_DOTS)) |
510022a8 | 3164 | ri->i_inline |= F2FS_INLINE_DOTS; |
7a2af766 CY |
3165 | if (is_inode_flag_set(inode, FI_EXTRA_ATTR)) |
3166 | ri->i_inline |= F2FS_EXTRA_ATTR; | |
1ad71a27 JK |
3167 | if (is_inode_flag_set(inode, FI_PIN_FILE)) |
3168 | ri->i_inline |= F2FS_PIN_FILE; | |
c6140415 JK |
3169 | if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) |
3170 | ri->i_inline |= F2FS_COMPRESS_RELEASED; | |
7a2af766 CY |
3171 | } |
3172 | ||
3173 | static inline int f2fs_has_extra_attr(struct inode *inode) | |
3174 | { | |
3175 | return is_inode_flag_set(inode, FI_EXTRA_ATTR); | |
444c580f JK |
3176 | } |
3177 | ||
987c7c31 CY |
3178 | static inline int f2fs_has_inline_xattr(struct inode *inode) |
3179 | { | |
91942321 | 3180 | return is_inode_flag_set(inode, FI_INLINE_XATTR); |
987c7c31 CY |
3181 | } |
3182 | ||
4c8ff709 CY |
3183 | static inline int f2fs_compressed_file(struct inode *inode) |
3184 | { | |
3185 | return S_ISREG(inode->i_mode) && | |
3186 | is_inode_flag_set(inode, FI_COMPRESSED_FILE); | |
3187 | } | |
3188 | ||
602a16d5 DJ |
3189 | static inline bool f2fs_need_compress_data(struct inode *inode) |
3190 | { | |
3191 | int compress_mode = F2FS_OPTION(F2FS_I_SB(inode)).compress_mode; | |
3192 | ||
3193 | if (!f2fs_compressed_file(inode)) | |
3194 | return false; | |
3195 | ||
3196 | if (compress_mode == COMPR_MODE_FS) | |
3197 | return true; | |
3198 | else if (compress_mode == COMPR_MODE_USER && | |
3199 | is_inode_flag_set(inode, FI_ENABLE_COMPRESS)) | |
3200 | return true; | |
3201 | ||
3202 | return false; | |
3203 | } | |
3204 | ||
81ca7350 | 3205 | static inline unsigned int addrs_per_inode(struct inode *inode) |
de93653f | 3206 | { |
d02a6e61 CY |
3207 | unsigned int addrs = CUR_ADDRS_PER_INODE(inode) - |
3208 | get_inline_xattr_addrs(inode); | |
4c8ff709 CY |
3209 | |
3210 | if (!f2fs_compressed_file(inode)) | |
3211 | return addrs; | |
3212 | return ALIGN_DOWN(addrs, F2FS_I(inode)->i_cluster_size); | |
d02a6e61 CY |
3213 | } |
3214 | ||
3215 | static inline unsigned int addrs_per_block(struct inode *inode) | |
3216 | { | |
4c8ff709 CY |
3217 | if (!f2fs_compressed_file(inode)) |
3218 | return DEF_ADDRS_PER_BLOCK; | |
3219 | return ALIGN_DOWN(DEF_ADDRS_PER_BLOCK, F2FS_I(inode)->i_cluster_size); | |
de93653f JK |
3220 | } |
3221 | ||
6afc662e | 3222 | static inline void *inline_xattr_addr(struct inode *inode, struct page *page) |
65985d93 | 3223 | { |
695fd1ed | 3224 | struct f2fs_inode *ri = F2FS_INODE(page); |
cac5a3d8 | 3225 | |
65985d93 | 3226 | return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE - |
b323fd28 | 3227 | get_inline_xattr_addrs(inode)]); |
65985d93 JK |
3228 | } |
3229 | ||
3230 | static inline int inline_xattr_size(struct inode *inode) | |
3231 | { | |
622927f3 CY |
3232 | if (f2fs_has_inline_xattr(inode)) |
3233 | return get_inline_xattr_addrs(inode) * sizeof(__le32); | |
3234 | return 0; | |
65985d93 JK |
3235 | } |
3236 | ||
d9c454ab CL |
3237 | /* |
3238 | * Notice: check inline_data flag without inode page lock is unsafe. | |
3239 | * It could change at any time by f2fs_convert_inline_page(). | |
3240 | */ | |
0dbdc2ae JK |
3241 | static inline int f2fs_has_inline_data(struct inode *inode) |
3242 | { | |
91942321 | 3243 | return is_inode_flag_set(inode, FI_INLINE_DATA); |
0dbdc2ae JK |
3244 | } |
3245 | ||
b3d208f9 JK |
3246 | static inline int f2fs_exist_data(struct inode *inode) |
3247 | { | |
91942321 | 3248 | return is_inode_flag_set(inode, FI_DATA_EXIST); |
b3d208f9 JK |
3249 | } |
3250 | ||
510022a8 JK |
3251 | static inline int f2fs_has_inline_dots(struct inode *inode) |
3252 | { | |
91942321 | 3253 | return is_inode_flag_set(inode, FI_INLINE_DOTS); |
510022a8 JK |
3254 | } |
3255 | ||
4c8ff709 CY |
3256 | static inline int f2fs_is_mmap_file(struct inode *inode) |
3257 | { | |
3258 | return is_inode_flag_set(inode, FI_MMAP_FILE); | |
3259 | } | |
3260 | ||
1ad71a27 JK |
3261 | static inline bool f2fs_is_pinned_file(struct inode *inode) |
3262 | { | |
3263 | return is_inode_flag_set(inode, FI_PIN_FILE); | |
3264 | } | |
3265 | ||
88b88a66 JK |
3266 | static inline bool f2fs_is_atomic_file(struct inode *inode) |
3267 | { | |
91942321 | 3268 | return is_inode_flag_set(inode, FI_ATOMIC_FILE); |
88b88a66 JK |
3269 | } |
3270 | ||
4a2c5b79 YB |
3271 | static inline bool f2fs_is_cow_file(struct inode *inode) |
3272 | { | |
3273 | return is_inode_flag_set(inode, FI_COW_FILE); | |
3274 | } | |
3275 | ||
3c6c2beb JK |
3276 | static inline bool f2fs_is_first_block_written(struct inode *inode) |
3277 | { | |
91942321 | 3278 | return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN); |
3c6c2beb JK |
3279 | } |
3280 | ||
1e84371f JK |
3281 | static inline bool f2fs_is_drop_cache(struct inode *inode) |
3282 | { | |
91942321 | 3283 | return is_inode_flag_set(inode, FI_DROP_CACHE); |
1e84371f JK |
3284 | } |
3285 | ||
f2470371 | 3286 | static inline void *inline_data_addr(struct inode *inode, struct page *page) |
1001b347 | 3287 | { |
695fd1ed | 3288 | struct f2fs_inode *ri = F2FS_INODE(page); |
7a2af766 | 3289 | int extra_size = get_extra_isize(inode); |
cac5a3d8 | 3290 | |
7a2af766 | 3291 | return (void *)&(ri->i_addr[extra_size + DEF_INLINE_RESERVED_SIZE]); |
1001b347 HL |
3292 | } |
3293 | ||
34d67deb CY |
3294 | static inline int f2fs_has_inline_dentry(struct inode *inode) |
3295 | { | |
91942321 | 3296 | return is_inode_flag_set(inode, FI_INLINE_DENTRY); |
34d67deb CY |
3297 | } |
3298 | ||
b5492af7 JK |
3299 | static inline int is_file(struct inode *inode, int type) |
3300 | { | |
3301 | return F2FS_I(inode)->i_advise & type; | |
3302 | } | |
3303 | ||
3304 | static inline void set_file(struct inode *inode, int type) | |
3305 | { | |
766c6639 JK |
3306 | if (is_file(inode, type)) |
3307 | return; | |
b5492af7 | 3308 | F2FS_I(inode)->i_advise |= type; |
7c45729a | 3309 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
3310 | } |
3311 | ||
3312 | static inline void clear_file(struct inode *inode, int type) | |
3313 | { | |
766c6639 JK |
3314 | if (!is_file(inode, type)) |
3315 | return; | |
b5492af7 | 3316 | F2FS_I(inode)->i_advise &= ~type; |
7c45729a | 3317 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
3318 | } |
3319 | ||
fe1897ea CY |
3320 | static inline bool f2fs_is_time_consistent(struct inode *inode) |
3321 | { | |
3322 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time, &inode->i_atime)) | |
3323 | return false; | |
3324 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 1, &inode->i_ctime)) | |
3325 | return false; | |
3326 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 2, &inode->i_mtime)) | |
3327 | return false; | |
3328 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 3, | |
3329 | &F2FS_I(inode)->i_crtime)) | |
3330 | return false; | |
3331 | return true; | |
3332 | } | |
3333 | ||
26787236 JK |
3334 | static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync) |
3335 | { | |
a0d00fad CY |
3336 | bool ret; |
3337 | ||
26787236 JK |
3338 | if (dsync) { |
3339 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
26787236 JK |
3340 | |
3341 | spin_lock(&sbi->inode_lock[DIRTY_META]); | |
3342 | ret = list_empty(&F2FS_I(inode)->gdirty_list); | |
3343 | spin_unlock(&sbi->inode_lock[DIRTY_META]); | |
3344 | return ret; | |
3345 | } | |
3346 | if (!is_inode_flag_set(inode, FI_AUTO_RECOVER) || | |
3347 | file_keep_isize(inode) || | |
235831d7 | 3348 | i_size_read(inode) & ~PAGE_MASK) |
26787236 | 3349 | return false; |
a0d00fad | 3350 | |
fe1897ea | 3351 | if (!f2fs_is_time_consistent(inode)) |
214c2461 JK |
3352 | return false; |
3353 | ||
c10c9820 | 3354 | spin_lock(&F2FS_I(inode)->i_size_lock); |
a0d00fad | 3355 | ret = F2FS_I(inode)->last_disk_size == i_size_read(inode); |
c10c9820 | 3356 | spin_unlock(&F2FS_I(inode)->i_size_lock); |
a0d00fad CY |
3357 | |
3358 | return ret; | |
b5492af7 JK |
3359 | } |
3360 | ||
deeedd71 | 3361 | static inline bool f2fs_readonly(struct super_block *sb) |
77888c1e | 3362 | { |
deeedd71 | 3363 | return sb_rdonly(sb); |
77888c1e JK |
3364 | } |
3365 | ||
1e968fdf JK |
3366 | static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi) |
3367 | { | |
aaec2b1d | 3368 | return is_set_ckpt_flags(sbi, CP_ERROR_FLAG); |
1e968fdf JK |
3369 | } |
3370 | ||
43c780ba | 3371 | static inline bool is_dot_dotdot(const u8 *name, size_t len) |
eaa693f4 | 3372 | { |
43c780ba | 3373 | if (len == 1 && name[0] == '.') |
eaa693f4 JK |
3374 | return true; |
3375 | ||
43c780ba | 3376 | if (len == 2 && name[0] == '.' && name[1] == '.') |
eaa693f4 JK |
3377 | return true; |
3378 | ||
3379 | return false; | |
3380 | } | |
3381 | ||
1ecc0c5c CY |
3382 | static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi, |
3383 | size_t size, gfp_t flags) | |
0414b004 | 3384 | { |
55523519 | 3385 | if (time_to_inject(sbi, FAULT_KMALLOC)) { |
c45d6002 | 3386 | f2fs_show_injection_info(sbi, FAULT_KMALLOC); |
2c63fead | 3387 | return NULL; |
55523519 | 3388 | } |
7fa750a1 | 3389 | |
0b6d4ca0 | 3390 | return kmalloc(size, flags); |
0414b004 JK |
3391 | } |
3392 | ||
acbf054d CY |
3393 | static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi, |
3394 | size_t size, gfp_t flags) | |
3395 | { | |
3396 | return f2fs_kmalloc(sbi, size, flags | __GFP_ZERO); | |
3397 | } | |
3398 | ||
628b3d14 CY |
3399 | static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi, |
3400 | size_t size, gfp_t flags) | |
3401 | { | |
628b3d14 | 3402 | if (time_to_inject(sbi, FAULT_KVMALLOC)) { |
c45d6002 | 3403 | f2fs_show_injection_info(sbi, FAULT_KVMALLOC); |
628b3d14 CY |
3404 | return NULL; |
3405 | } | |
7fa750a1 | 3406 | |
628b3d14 CY |
3407 | return kvmalloc(size, flags); |
3408 | } | |
3409 | ||
3410 | static inline void *f2fs_kvzalloc(struct f2fs_sb_info *sbi, | |
3411 | size_t size, gfp_t flags) | |
3412 | { | |
3413 | return f2fs_kvmalloc(sbi, size, flags | __GFP_ZERO); | |
3414 | } | |
3415 | ||
7a2af766 | 3416 | static inline int get_extra_isize(struct inode *inode) |
f2470371 | 3417 | { |
7a2af766 | 3418 | return F2FS_I(inode)->i_extra_isize / sizeof(__le32); |
f2470371 CY |
3419 | } |
3420 | ||
6afc662e CY |
3421 | static inline int get_inline_xattr_addrs(struct inode *inode) |
3422 | { | |
3423 | return F2FS_I(inode)->i_inline_xattr_size; | |
3424 | } | |
3425 | ||
4d57b86d | 3426 | #define f2fs_get_inode_mode(i) \ |
91942321 | 3427 | ((is_inode_flag_set(i, FI_ACL_MODE)) ? \ |
a6dda0e6 CH |
3428 | (F2FS_I(i)->i_acl_mode) : ((i)->i_mode)) |
3429 | ||
7a2af766 CY |
3430 | #define F2FS_TOTAL_EXTRA_ATTR_SIZE \ |
3431 | (offsetof(struct f2fs_inode, i_extra_end) - \ | |
3432 | offsetof(struct f2fs_inode, i_extra_isize)) \ | |
3433 | ||
5c57132e CY |
3434 | #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr)) |
3435 | #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \ | |
2f84babf | 3436 | ((offsetof(typeof(*(f2fs_inode)), field) + \ |
5c57132e | 3437 | sizeof((f2fs_inode)->field)) \ |
2f84babf | 3438 | <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \ |
5c57132e | 3439 | |
2c70c5e3 CY |
3440 | #define __is_large_section(sbi) ((sbi)->segs_per_sec > 1) |
3441 | ||
6dc3a126 | 3442 | #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META) |
c9b60788 | 3443 | |
e1da7872 CY |
3444 | bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, |
3445 | block_t blkaddr, int type); | |
e1da7872 CY |
3446 | static inline void verify_blkaddr(struct f2fs_sb_info *sbi, |
3447 | block_t blkaddr, int type) | |
3448 | { | |
3449 | if (!f2fs_is_valid_blkaddr(sbi, blkaddr, type)) { | |
dcbb4c10 JP |
3450 | f2fs_err(sbi, "invalid blkaddr: %u, type: %d, run fsck to fix.", |
3451 | blkaddr, type); | |
e1da7872 CY |
3452 | f2fs_bug_on(sbi, 1); |
3453 | } | |
3454 | } | |
3455 | ||
3456 | static inline bool __is_valid_data_blkaddr(block_t blkaddr) | |
7b525dd0 | 3457 | { |
4c8ff709 CY |
3458 | if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR || |
3459 | blkaddr == COMPRESS_ADDR) | |
7b525dd0 CY |
3460 | return false; |
3461 | return true; | |
3462 | } | |
3463 | ||
39a53e0c JK |
3464 | /* |
3465 | * file.c | |
3466 | */ | |
cac5a3d8 | 3467 | int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync); |
4d57b86d | 3468 | void f2fs_truncate_data_blocks(struct dnode_of_data *dn); |
3265d3db | 3469 | int f2fs_do_truncate_blocks(struct inode *inode, u64 from, bool lock); |
c42d28ce | 3470 | int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock); |
cac5a3d8 | 3471 | int f2fs_truncate(struct inode *inode); |
b74d24f7 | 3472 | int f2fs_getattr(struct mnt_idmap *idmap, const struct path *path, |
549c7297 | 3473 | struct kstat *stat, u32 request_mask, unsigned int flags); |
c1632a0f | 3474 | int f2fs_setattr(struct mnt_idmap *idmap, struct dentry *dentry, |
549c7297 | 3475 | struct iattr *attr); |
4d57b86d CY |
3476 | int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end); |
3477 | void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count); | |
c4020b2d | 3478 | int f2fs_precache_extents(struct inode *inode); |
9b1bb01c | 3479 | int f2fs_fileattr_get(struct dentry *dentry, struct fileattr *fa); |
8782a9ae | 3480 | int f2fs_fileattr_set(struct mnt_idmap *idmap, |
9b1bb01c | 3481 | struct dentry *dentry, struct fileattr *fa); |
cac5a3d8 DS |
3482 | long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); |
3483 | long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg); | |
78130819 | 3484 | int f2fs_transfer_project_quota(struct inode *inode, kprojid_t kprojid); |
1ad71a27 | 3485 | int f2fs_pin_file_control(struct inode *inode, bool inc); |
39a53e0c JK |
3486 | |
3487 | /* | |
3488 | * inode.c | |
3489 | */ | |
cac5a3d8 | 3490 | void f2fs_set_inode_flags(struct inode *inode); |
704956ec CY |
3491 | bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page); |
3492 | void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page); | |
cac5a3d8 DS |
3493 | struct inode *f2fs_iget(struct super_block *sb, unsigned long ino); |
3494 | struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino); | |
4d57b86d CY |
3495 | int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink); |
3496 | void f2fs_update_inode(struct inode *inode, struct page *node_page); | |
3497 | void f2fs_update_inode_page(struct inode *inode); | |
cac5a3d8 DS |
3498 | int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc); |
3499 | void f2fs_evict_inode(struct inode *inode); | |
4d57b86d | 3500 | void f2fs_handle_failed_inode(struct inode *inode); |
39a53e0c JK |
3501 | |
3502 | /* | |
3503 | * namei.c | |
3504 | */ | |
4d57b86d | 3505 | int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name, |
b6a06cbb | 3506 | bool hot, bool set); |
39a53e0c | 3507 | struct dentry *f2fs_get_parent(struct dentry *child); |
f2d40141 | 3508 | int f2fs_get_tmpfile(struct mnt_idmap *idmap, struct inode *dir, |
3db1de0e | 3509 | struct inode **new_inode); |
39a53e0c JK |
3510 | |
3511 | /* | |
3512 | * dir.c | |
3513 | */ | |
4d57b86d | 3514 | unsigned char f2fs_get_de_type(struct f2fs_dir_entry *de); |
43c780ba EB |
3515 | int f2fs_init_casefolded_name(const struct inode *dir, |
3516 | struct f2fs_filename *fname); | |
3517 | int f2fs_setup_filename(struct inode *dir, const struct qstr *iname, | |
3518 | int lookup, struct f2fs_filename *fname); | |
3519 | int f2fs_prepare_lookup(struct inode *dir, struct dentry *dentry, | |
3520 | struct f2fs_filename *fname); | |
3521 | void f2fs_free_filename(struct f2fs_filename *fname); | |
3522 | struct f2fs_dir_entry *f2fs_find_target_dentry(const struct f2fs_dentry_ptr *d, | |
3523 | const struct f2fs_filename *fname, int *max_slots); | |
cac5a3d8 DS |
3524 | int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d, |
3525 | unsigned int start_pos, struct fscrypt_str *fstr); | |
4d57b86d | 3526 | void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent, |
cac5a3d8 | 3527 | struct f2fs_dentry_ptr *d); |
4d57b86d | 3528 | struct page *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir, |
43c780ba | 3529 | const struct f2fs_filename *fname, struct page *dpage); |
4d57b86d | 3530 | void f2fs_update_parent_metadata(struct inode *dir, struct inode *inode, |
cac5a3d8 | 3531 | unsigned int current_depth); |
4d57b86d | 3532 | int f2fs_room_for_filename(const void *bitmap, int slots, int max_slots); |
cac5a3d8 DS |
3533 | void f2fs_drop_nlink(struct inode *dir, struct inode *inode); |
3534 | struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir, | |
43c780ba EB |
3535 | const struct f2fs_filename *fname, |
3536 | struct page **res_page); | |
cac5a3d8 DS |
3537 | struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir, |
3538 | const struct qstr *child, struct page **res_page); | |
3539 | struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p); | |
3540 | ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr, | |
3541 | struct page **page); | |
3542 | void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de, | |
3543 | struct page *page, struct inode *inode); | |
b06af2af | 3544 | bool f2fs_has_enough_room(struct inode *dir, struct page *ipage, |
43c780ba | 3545 | const struct f2fs_filename *fname); |
cac5a3d8 | 3546 | void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d, |
43c780ba | 3547 | const struct fscrypt_str *name, f2fs_hash_t name_hash, |
cac5a3d8 | 3548 | unsigned int bit_pos); |
43c780ba | 3549 | int f2fs_add_regular_entry(struct inode *dir, const struct f2fs_filename *fname, |
cac5a3d8 | 3550 | struct inode *inode, nid_t ino, umode_t mode); |
43c780ba | 3551 | int f2fs_add_dentry(struct inode *dir, const struct f2fs_filename *fname, |
cac5a3d8 | 3552 | struct inode *inode, nid_t ino, umode_t mode); |
4d57b86d | 3553 | int f2fs_do_add_link(struct inode *dir, const struct qstr *name, |
cac5a3d8 DS |
3554 | struct inode *inode, nid_t ino, umode_t mode); |
3555 | void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, | |
3556 | struct inode *dir, struct inode *inode); | |
3557 | int f2fs_do_tmpfile(struct inode *inode, struct inode *dir); | |
3558 | bool f2fs_empty_dir(struct inode *dir); | |
39a53e0c | 3559 | |
b7f7a5e0 AV |
3560 | static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode) |
3561 | { | |
bfc2b7e8 EB |
3562 | if (fscrypt_is_nokey_name(dentry)) |
3563 | return -ENOKEY; | |
4d57b86d | 3564 | return f2fs_do_add_link(d_inode(dentry->d_parent), &dentry->d_name, |
510022a8 | 3565 | inode, inode->i_ino, inode->i_mode); |
b7f7a5e0 AV |
3566 | } |
3567 | ||
39a53e0c JK |
3568 | /* |
3569 | * super.c | |
3570 | */ | |
cac5a3d8 DS |
3571 | int f2fs_inode_dirtied(struct inode *inode, bool sync); |
3572 | void f2fs_inode_synced(struct inode *inode); | |
10a26878 | 3573 | int f2fs_dquot_initialize(struct inode *inode); |
ea676733 | 3574 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly); |
af033b2a | 3575 | int f2fs_quota_sync(struct super_block *sb, int type); |
6d1451bf | 3576 | loff_t max_file_blocks(struct inode *inode); |
4b2414d0 | 3577 | void f2fs_quota_off_umount(struct super_block *sb); |
a9cfee0e | 3578 | void f2fs_handle_stop(struct f2fs_sb_info *sbi, unsigned char reason); |
95fa90c9 | 3579 | void f2fs_handle_error(struct f2fs_sb_info *sbi, unsigned char error); |
cac5a3d8 DS |
3580 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover); |
3581 | int f2fs_sync_fs(struct super_block *sb, int sync); | |
4d57b86d | 3582 | int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi); |
39a53e0c JK |
3583 | |
3584 | /* | |
3585 | * hash.c | |
3586 | */ | |
43c780ba | 3587 | void f2fs_hash_filename(const struct inode *dir, struct f2fs_filename *fname); |
39a53e0c JK |
3588 | |
3589 | /* | |
3590 | * node.c | |
3591 | */ | |
39a53e0c JK |
3592 | struct node_info; |
3593 | ||
4d57b86d CY |
3594 | int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid); |
3595 | bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type); | |
50fa53ec CY |
3596 | bool f2fs_in_warm_node_list(struct f2fs_sb_info *sbi, struct page *page); |
3597 | void f2fs_init_fsync_node_info(struct f2fs_sb_info *sbi); | |
3598 | void f2fs_del_fsync_node_entry(struct f2fs_sb_info *sbi, struct page *page); | |
3599 | void f2fs_reset_fsync_node_info(struct f2fs_sb_info *sbi); | |
4d57b86d CY |
3600 | int f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid); |
3601 | bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid); | |
3602 | bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino); | |
7735730d | 3603 | int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid, |
a9419b63 | 3604 | struct node_info *ni, bool checkpoint_context); |
4d57b86d CY |
3605 | pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs); |
3606 | int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode); | |
3607 | int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from); | |
3608 | int f2fs_truncate_xattr_node(struct inode *inode); | |
50fa53ec CY |
3609 | int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, |
3610 | unsigned int seq_id); | |
94c821fb | 3611 | bool f2fs_nat_bitmap_enabled(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3612 | int f2fs_remove_inode_page(struct inode *inode); |
3613 | struct page *f2fs_new_inode_page(struct inode *inode); | |
3614 | struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs); | |
3615 | void f2fs_ra_node_page(struct f2fs_sb_info *sbi, nid_t nid); | |
3616 | struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid); | |
3617 | struct page *f2fs_get_node_page_ra(struct page *parent, int start); | |
48018b4c | 3618 | int f2fs_move_node_page(struct page *node_page, int gc_type); |
68e79baf | 3619 | void f2fs_flush_inline_data(struct f2fs_sb_info *sbi); |
4d57b86d | 3620 | int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, |
50fa53ec CY |
3621 | struct writeback_control *wbc, bool atomic, |
3622 | unsigned int *seq_id); | |
4d57b86d CY |
3623 | int f2fs_sync_node_pages(struct f2fs_sb_info *sbi, |
3624 | struct writeback_control *wbc, | |
b0af6d49 | 3625 | bool do_balance, enum iostat_type io_type); |
e2374015 | 3626 | int f2fs_build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount); |
4d57b86d CY |
3627 | bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid); |
3628 | void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid); | |
3629 | void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid); | |
3630 | int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink); | |
9627a7b3 | 3631 | int f2fs_recover_inline_xattr(struct inode *inode, struct page *page); |
4d57b86d CY |
3632 | int f2fs_recover_xattr_data(struct inode *inode, struct page *page); |
3633 | int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page); | |
7735730d | 3634 | int f2fs_restore_node_summary(struct f2fs_sb_info *sbi, |
cac5a3d8 | 3635 | unsigned int segno, struct f2fs_summary_block *sum); |
94c821fb | 3636 | void f2fs_enable_nat_bits(struct f2fs_sb_info *sbi); |
edc55aaf | 3637 | int f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
4d57b86d CY |
3638 | int f2fs_build_node_manager(struct f2fs_sb_info *sbi); |
3639 | void f2fs_destroy_node_manager(struct f2fs_sb_info *sbi); | |
3640 | int __init f2fs_create_node_manager_caches(void); | |
3641 | void f2fs_destroy_node_manager_caches(void); | |
39a53e0c JK |
3642 | |
3643 | /* | |
3644 | * segment.c | |
3645 | */ | |
4d57b86d | 3646 | bool f2fs_need_SSR(struct f2fs_sb_info *sbi); |
3db1de0e DJ |
3647 | int f2fs_commit_atomic_write(struct inode *inode); |
3648 | void f2fs_abort_atomic_write(struct inode *inode, bool clean); | |
cac5a3d8 | 3649 | void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need); |
7bcd0cfa | 3650 | void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi, bool from_bg); |
39d787be | 3651 | int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino); |
4d57b86d | 3652 | int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi); |
1228b482 | 3653 | int f2fs_flush_device_cache(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3654 | void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free); |
3655 | void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr); | |
3656 | bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr); | |
4d674904 | 3657 | int f2fs_start_discard_thread(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3658 | void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi); |
3659 | void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi); | |
03f2c02d | 3660 | bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3661 | void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi, |
3662 | struct cp_control *cpc); | |
4354994f | 3663 | void f2fs_dirty_to_prefree(struct f2fs_sb_info *sbi); |
4d3aed70 DR |
3664 | block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi); |
3665 | int f2fs_disable_cp_again(struct f2fs_sb_info *sbi, block_t unusable); | |
4d57b86d CY |
3666 | void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi); |
3667 | int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra); | |
61461fc9 | 3668 | bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno); |
093749e2 CY |
3669 | void f2fs_init_inmem_curseg(struct f2fs_sb_info *sbi); |
3670 | void f2fs_save_inmem_curseg(struct f2fs_sb_info *sbi); | |
3671 | void f2fs_restore_inmem_curseg(struct f2fs_sb_info *sbi); | |
3672 | void f2fs_get_new_segment(struct f2fs_sb_info *sbi, | |
3673 | unsigned int *newseg, bool new_sec, int dir); | |
0ef81833 | 3674 | void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type, |
04f0b2ea | 3675 | unsigned int start, unsigned int end); |
509f1010 | 3676 | void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force); |
901d745f | 3677 | void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi); |
cac5a3d8 | 3678 | int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range); |
4d57b86d CY |
3679 | bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi, |
3680 | struct cp_control *cpc); | |
3681 | struct page *f2fs_get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno); | |
3682 | void f2fs_update_meta_page(struct f2fs_sb_info *sbi, void *src, | |
3683 | block_t blk_addr); | |
3684 | void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page, | |
b0af6d49 | 3685 | enum iostat_type io_type); |
4d57b86d CY |
3686 | void f2fs_do_write_node_page(unsigned int nid, struct f2fs_io_info *fio); |
3687 | void f2fs_outplace_write_data(struct dnode_of_data *dn, | |
3688 | struct f2fs_io_info *fio); | |
3689 | int f2fs_inplace_write_data(struct f2fs_io_info *fio); | |
3690 | void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, | |
cac5a3d8 | 3691 | block_t old_blkaddr, block_t new_blkaddr, |
c5d02785 CY |
3692 | bool recover_curseg, bool recover_newaddr, |
3693 | bool from_gc); | |
cac5a3d8 DS |
3694 | void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn, |
3695 | block_t old_addr, block_t new_addr, | |
3696 | unsigned char version, bool recover_curseg, | |
3697 | bool recover_newaddr); | |
4d57b86d | 3698 | void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, |
cac5a3d8 | 3699 | block_t old_blkaddr, block_t *new_blkaddr, |
fb830fc5 | 3700 | struct f2fs_summary *sum, int type, |
f608c38c | 3701 | struct f2fs_io_info *fio); |
71f2c820 CY |
3702 | void f2fs_update_device_state(struct f2fs_sb_info *sbi, nid_t ino, |
3703 | block_t blkaddr, unsigned int blkcnt); | |
cac5a3d8 | 3704 | void f2fs_wait_on_page_writeback(struct page *page, |
bae0ee7a | 3705 | enum page_type type, bool ordered, bool locked); |
0ded69f6 | 3706 | void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr); |
1e78e8bd ST |
3707 | void f2fs_wait_on_block_writeback_range(struct inode *inode, block_t blkaddr, |
3708 | block_t len); | |
4d57b86d CY |
3709 | void f2fs_write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk); |
3710 | void f2fs_write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk); | |
3711 | int f2fs_lookup_journal_in_cursum(struct f2fs_journal *journal, int type, | |
cac5a3d8 | 3712 | unsigned int val, int alloc); |
4d57b86d | 3713 | void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
c426d991 | 3714 | int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi); |
d508c94e | 3715 | int f2fs_check_write_pointer(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3716 | int f2fs_build_segment_manager(struct f2fs_sb_info *sbi); |
3717 | void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi); | |
3718 | int __init f2fs_create_segment_manager_caches(void); | |
3719 | void f2fs_destroy_segment_manager_caches(void); | |
3720 | int f2fs_rw_hint_to_seg_type(enum rw_hint hint); | |
de881df9 AR |
3721 | unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi, |
3722 | unsigned int segno); | |
3723 | unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi, | |
3724 | unsigned int segno); | |
39a53e0c | 3725 | |
6691d940 DJ |
3726 | #define DEF_FRAGMENT_SIZE 4 |
3727 | #define MIN_FRAGMENT_SIZE 1 | |
3728 | #define MAX_FRAGMENT_SIZE 512 | |
3729 | ||
3730 | static inline bool f2fs_need_rand_seg(struct f2fs_sb_info *sbi) | |
3731 | { | |
3732 | return F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_SEG || | |
3733 | F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK; | |
3734 | } | |
3735 | ||
39a53e0c JK |
3736 | /* |
3737 | * checkpoint.c | |
3738 | */ | |
a9cfee0e CY |
3739 | void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io, |
3740 | unsigned char reason); | |
c7b58576 | 3741 | void f2fs_flush_ckpt_thread(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3742 | struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); |
3743 | struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); | |
86f33603 | 3744 | struct page *f2fs_get_meta_page_retry(struct f2fs_sb_info *sbi, pgoff_t index); |
4d57b86d | 3745 | struct page *f2fs_get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index); |
e1da7872 CY |
3746 | bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, |
3747 | block_t blkaddr, int type); | |
4d57b86d | 3748 | int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, |
cac5a3d8 | 3749 | int type, bool sync); |
430f163b CY |
3750 | void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index, |
3751 | unsigned int ra_blocks); | |
4d57b86d | 3752 | long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type, |
b0af6d49 | 3753 | long nr_to_write, enum iostat_type io_type); |
4d57b86d CY |
3754 | void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); |
3755 | void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); | |
3756 | void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all); | |
3757 | bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode); | |
3758 | void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, | |
39d787be | 3759 | unsigned int devidx, int type); |
4d57b86d | 3760 | bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, |
39d787be | 3761 | unsigned int devidx, int type); |
cac5a3d8 | 3762 | int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3763 | int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi); |
3764 | void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi); | |
3765 | void f2fs_add_orphan_inode(struct inode *inode); | |
3766 | void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino); | |
3767 | int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi); | |
3768 | int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi); | |
4f5e34f7 | 3769 | void f2fs_update_dirty_folio(struct inode *inode, struct folio *folio); |
4d57b86d | 3770 | void f2fs_remove_dirty_inode(struct inode *inode); |
d80afefb CY |
3771 | int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type, |
3772 | bool from_cp); | |
bf22c3cc | 3773 | void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type); |
3a0a9cbc | 3774 | u64 f2fs_get_sectors_written(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3775 | int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
3776 | void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi); | |
3777 | int __init f2fs_create_checkpoint_caches(void); | |
3778 | void f2fs_destroy_checkpoint_caches(void); | |
261eeb9c DJ |
3779 | int f2fs_issue_checkpoint(struct f2fs_sb_info *sbi); |
3780 | int f2fs_start_ckpt_thread(struct f2fs_sb_info *sbi); | |
3781 | void f2fs_stop_ckpt_thread(struct f2fs_sb_info *sbi); | |
3782 | void f2fs_init_ckpt_req_control(struct f2fs_sb_info *sbi); | |
39a53e0c JK |
3783 | |
3784 | /* | |
3785 | * data.c | |
3786 | */ | |
f543805f CY |
3787 | int __init f2fs_init_bioset(void); |
3788 | void f2fs_destroy_bioset(void); | |
0b20fcec CY |
3789 | int f2fs_init_bio_entry_cache(void); |
3790 | void f2fs_destroy_bio_entry_cache(void); | |
4c8ff709 CY |
3791 | void f2fs_submit_bio(struct f2fs_sb_info *sbi, |
3792 | struct bio *bio, enum page_type type); | |
908ea654 | 3793 | int f2fs_init_write_merge_io(struct f2fs_sb_info *sbi); |
b9109b0e JK |
3794 | void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type); |
3795 | void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi, | |
bab475c5 CY |
3796 | struct inode *inode, struct page *page, |
3797 | nid_t ino, enum page_type type); | |
0b20fcec CY |
3798 | void f2fs_submit_merged_ipu_write(struct f2fs_sb_info *sbi, |
3799 | struct bio **bio, struct page *page); | |
b9109b0e | 3800 | void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi); |
cac5a3d8 | 3801 | int f2fs_submit_page_bio(struct f2fs_io_info *fio); |
8648de2c | 3802 | int f2fs_merge_page_bio(struct f2fs_io_info *fio); |
fe16efe6 | 3803 | void f2fs_submit_page_write(struct f2fs_io_info *fio); |
cac5a3d8 | 3804 | struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi, |
5189810a | 3805 | block_t blk_addr, sector_t *sector); |
cac5a3d8 | 3806 | int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr); |
4d57b86d | 3807 | void f2fs_set_data_blkaddr(struct dnode_of_data *dn); |
cac5a3d8 | 3808 | void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr); |
4d57b86d CY |
3809 | int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count); |
3810 | int f2fs_reserve_new_block(struct dnode_of_data *dn); | |
cac5a3d8 | 3811 | int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index); |
cac5a3d8 | 3812 | int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index); |
4d57b86d | 3813 | struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index, |
59237a21 CY |
3814 | blk_opf_t op_flags, bool for_write, pgoff_t *next_pgofs); |
3815 | struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index, | |
3816 | pgoff_t *next_pgofs); | |
4d57b86d | 3817 | struct page *f2fs_get_lock_data_page(struct inode *inode, pgoff_t index, |
cac5a3d8 | 3818 | bool for_write); |
4d57b86d | 3819 | struct page *f2fs_get_new_data_page(struct inode *inode, |
cac5a3d8 | 3820 | struct page *ipage, pgoff_t index, bool new_i_size); |
4d57b86d | 3821 | int f2fs_do_write_data_page(struct f2fs_io_info *fio); |
0ef81833 | 3822 | void f2fs_do_map_lock(struct f2fs_sb_info *sbi, int flag, bool lock); |
cac5a3d8 DS |
3823 | int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, |
3824 | int create, int flag); | |
3825 | int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, | |
3826 | u64 start, u64 len); | |
4c8ff709 | 3827 | int f2fs_encrypt_one_page(struct f2fs_io_info *fio); |
4d57b86d CY |
3828 | bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio); |
3829 | bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio); | |
4c8ff709 CY |
3830 | int f2fs_write_single_data_page(struct page *page, int *submitted, |
3831 | struct bio **bio, sector_t *last_block, | |
3832 | struct writeback_control *wbc, | |
3833 | enum iostat_type io_type, | |
3afae09f | 3834 | int compr_blocks, bool allow_balance); |
a1e09b03 | 3835 | void f2fs_write_failed(struct inode *inode, loff_t to); |
91503996 | 3836 | void f2fs_invalidate_folio(struct folio *folio, size_t offset, size_t length); |
c26cd045 | 3837 | bool f2fs_release_folio(struct folio *folio, gfp_t wait); |
b91050a8 | 3838 | bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len); |
5ec2d99d | 3839 | void f2fs_clear_page_cache_dirty_tag(struct page *page); |
4c8ff709 CY |
3840 | int f2fs_init_post_read_processing(void); |
3841 | void f2fs_destroy_post_read_processing(void); | |
3842 | int f2fs_init_post_read_wq(struct f2fs_sb_info *sbi); | |
3843 | void f2fs_destroy_post_read_wq(struct f2fs_sb_info *sbi); | |
1517c1a7 | 3844 | extern const struct iomap_ops f2fs_iomap_ops; |
39a53e0c JK |
3845 | |
3846 | /* | |
3847 | * gc.c | |
3848 | */ | |
4d57b86d CY |
3849 | int f2fs_start_gc_thread(struct f2fs_sb_info *sbi); |
3850 | void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi); | |
3851 | block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode); | |
d147ea4a | 3852 | int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control); |
4d57b86d | 3853 | void f2fs_build_gc_manager(struct f2fs_sb_info *sbi); |
04f0b2ea | 3854 | int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count); |
093749e2 CY |
3855 | int __init f2fs_create_garbage_collection_cache(void); |
3856 | void f2fs_destroy_garbage_collection_cache(void); | |
39a53e0c JK |
3857 | |
3858 | /* | |
3859 | * recovery.c | |
3860 | */ | |
4d57b86d CY |
3861 | int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only); |
3862 | bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi); | |
cad83c96 CY |
3863 | int __init f2fs_create_recovery_cache(void); |
3864 | void f2fs_destroy_recovery_cache(void); | |
39a53e0c JK |
3865 | |
3866 | /* | |
3867 | * debug.c | |
3868 | */ | |
3869 | #ifdef CONFIG_F2FS_STAT_FS | |
3870 | struct f2fs_stat_info { | |
3871 | struct list_head stat_list; | |
3872 | struct f2fs_sb_info *sbi; | |
39a53e0c JK |
3873 | int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs; |
3874 | int main_area_segs, main_area_sections, main_area_zones; | |
e7547dac JK |
3875 | unsigned long long hit_cached[NR_EXTENT_CACHES]; |
3876 | unsigned long long hit_rbtree[NR_EXTENT_CACHES]; | |
3877 | unsigned long long total_ext[NR_EXTENT_CACHES]; | |
3878 | unsigned long long hit_total[NR_EXTENT_CACHES]; | |
3879 | int ext_tree[NR_EXTENT_CACHES]; | |
3880 | int zombie_tree[NR_EXTENT_CACHES]; | |
3881 | int ext_node[NR_EXTENT_CACHES]; | |
3882 | /* to count memory footprint */ | |
3883 | unsigned long long ext_mem[NR_EXTENT_CACHES]; | |
3884 | /* for read extent cache */ | |
3885 | unsigned long long hit_largest; | |
71644dff JK |
3886 | /* for block age extent cache */ |
3887 | unsigned long long allocated_data_blocks; | |
2c8a4a28 JK |
3888 | int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta; |
3889 | int ndirty_data, ndirty_qdata; | |
2c8a4a28 | 3890 | unsigned int ndirty_dirs, ndirty_files, nquota_files, ndirty_all; |
5b0ef73c JK |
3891 | int nats, dirty_nats, sits, dirty_sits; |
3892 | int free_nids, avail_nids, alloc_nids; | |
39a53e0c | 3893 | int total_count, utilization; |
8b8dd65f | 3894 | int bg_gc, nr_wb_cp_data, nr_wb_data; |
5f9abab4 | 3895 | int nr_rd_data, nr_rd_node, nr_rd_meta; |
02b16d0a | 3896 | int nr_dio_read, nr_dio_write; |
274bd9ba | 3897 | unsigned int io_skip_bggc, other_skip_bggc; |
14d8d5f7 CY |
3898 | int nr_flushing, nr_flushed, flush_list_empty; |
3899 | int nr_discarding, nr_discarded; | |
5f32366a | 3900 | int nr_discard_cmd; |
d84d1cbd | 3901 | unsigned int undiscard_blks; |
261eeb9c DJ |
3902 | int nr_issued_ckpt, nr_total_ckpt, nr_queued_ckpt; |
3903 | unsigned int cur_ckpt_time, peak_ckpt_time; | |
a00861db | 3904 | int inline_xattr, inline_inode, inline_dir, append, update, orphans; |
8ec071c3 | 3905 | int compr_inode, swapfile_inode; |
ae999bb9 | 3906 | unsigned long long compr_blocks; |
7bc155fe | 3907 | int aw_cnt, max_aw_cnt; |
f83a2584 | 3908 | unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks; |
39a53e0c JK |
3909 | unsigned int bimodal, avg_vblocks; |
3910 | int util_free, util_valid, util_invalid; | |
3911 | int rsvd_segs, overp_segs; | |
6ce19aff CY |
3912 | int dirty_count, node_pages, meta_pages, compress_pages; |
3913 | int compress_page_hit; | |
42190d2a | 3914 | int prefree_count, call_count, cp_count, bg_cp_count; |
39a53e0c | 3915 | int tot_segs, node_segs, data_segs, free_segs, free_secs; |
e1235983 | 3916 | int bg_node_segs, bg_data_segs; |
39a53e0c | 3917 | int tot_blks, data_blks, node_blks; |
e1235983 | 3918 | int bg_data_blks, bg_node_blks; |
39a53e0c JK |
3919 | int curseg[NR_CURSEG_TYPE]; |
3920 | int cursec[NR_CURSEG_TYPE]; | |
3921 | int curzone[NR_CURSEG_TYPE]; | |
0759e2c1 CY |
3922 | unsigned int dirty_seg[NR_CURSEG_TYPE]; |
3923 | unsigned int full_seg[NR_CURSEG_TYPE]; | |
3924 | unsigned int valid_blks[NR_CURSEG_TYPE]; | |
39a53e0c | 3925 | |
b63e7be5 | 3926 | unsigned int meta_count[META_MAX]; |
39a53e0c JK |
3927 | unsigned int segment_count[2]; |
3928 | unsigned int block_count[2]; | |
b9a2c252 | 3929 | unsigned int inplace_count; |
9edcdabf | 3930 | unsigned long long base_mem, cache_mem, page_mem; |
39a53e0c JK |
3931 | }; |
3932 | ||
963d4f7d GZ |
3933 | static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) |
3934 | { | |
6c311ec6 | 3935 | return (struct f2fs_stat_info *)sbi->stat_info; |
963d4f7d GZ |
3936 | } |
3937 | ||
942e0be6 | 3938 | #define stat_inc_cp_count(si) ((si)->cp_count++) |
42190d2a | 3939 | #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++) |
dcdfff65 | 3940 | #define stat_inc_call_count(si) ((si)->call_count++) |
fc7100ea | 3941 | #define stat_inc_bggc_count(si) ((si)->bg_gc++) |
274bd9ba CY |
3942 | #define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++) |
3943 | #define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++) | |
33fbd510 CY |
3944 | #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++) |
3945 | #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--) | |
e7547dac JK |
3946 | #define stat_inc_total_hit(sbi, type) (atomic64_inc(&(sbi)->total_hit_ext[type])) |
3947 | #define stat_inc_rbtree_node_hit(sbi, type) (atomic64_inc(&(sbi)->read_hit_rbtree[type])) | |
5b7ee374 | 3948 | #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest)) |
e7547dac | 3949 | #define stat_inc_cached_node_hit(sbi, type) (atomic64_inc(&(sbi)->read_hit_cached[type])) |
d5e8f6c9 CY |
3950 | #define stat_inc_inline_xattr(inode) \ |
3951 | do { \ | |
3952 | if (f2fs_has_inline_xattr(inode)) \ | |
3953 | (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \ | |
3954 | } while (0) | |
3955 | #define stat_dec_inline_xattr(inode) \ | |
3956 | do { \ | |
3957 | if (f2fs_has_inline_xattr(inode)) \ | |
3958 | (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \ | |
3959 | } while (0) | |
0dbdc2ae JK |
3960 | #define stat_inc_inline_inode(inode) \ |
3961 | do { \ | |
3962 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 3963 | (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae JK |
3964 | } while (0) |
3965 | #define stat_dec_inline_inode(inode) \ | |
3966 | do { \ | |
3967 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 3968 | (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae | 3969 | } while (0) |
3289c061 JK |
3970 | #define stat_inc_inline_dir(inode) \ |
3971 | do { \ | |
3972 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 3973 | (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 JK |
3974 | } while (0) |
3975 | #define stat_dec_inline_dir(inode) \ | |
3976 | do { \ | |
3977 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 3978 | (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 | 3979 | } while (0) |
4c8ff709 CY |
3980 | #define stat_inc_compr_inode(inode) \ |
3981 | do { \ | |
3982 | if (f2fs_compressed_file(inode)) \ | |
3983 | (atomic_inc(&F2FS_I_SB(inode)->compr_inode)); \ | |
3984 | } while (0) | |
3985 | #define stat_dec_compr_inode(inode) \ | |
3986 | do { \ | |
3987 | if (f2fs_compressed_file(inode)) \ | |
3988 | (atomic_dec(&F2FS_I_SB(inode)->compr_inode)); \ | |
3989 | } while (0) | |
3990 | #define stat_add_compr_blocks(inode, blocks) \ | |
ae999bb9 | 3991 | (atomic64_add(blocks, &F2FS_I_SB(inode)->compr_blocks)) |
4c8ff709 | 3992 | #define stat_sub_compr_blocks(inode, blocks) \ |
ae999bb9 | 3993 | (atomic64_sub(blocks, &F2FS_I_SB(inode)->compr_blocks)) |
8ec071c3 CY |
3994 | #define stat_inc_swapfile_inode(inode) \ |
3995 | (atomic_inc(&F2FS_I_SB(inode)->swapfile_inode)) | |
3996 | #define stat_dec_swapfile_inode(inode) \ | |
3997 | (atomic_dec(&F2FS_I_SB(inode)->swapfile_inode)) | |
b4dac120 CY |
3998 | #define stat_inc_atomic_inode(inode) \ |
3999 | (atomic_inc(&F2FS_I_SB(inode)->atomic_files)) | |
4000 | #define stat_dec_atomic_inode(inode) \ | |
4001 | (atomic_dec(&F2FS_I_SB(inode)->atomic_files)) | |
b63e7be5 CY |
4002 | #define stat_inc_meta_count(sbi, blkaddr) \ |
4003 | do { \ | |
4004 | if (blkaddr < SIT_I(sbi)->sit_base_addr) \ | |
4005 | atomic_inc(&(sbi)->meta_count[META_CP]); \ | |
4006 | else if (blkaddr < NM_I(sbi)->nat_blkaddr) \ | |
4007 | atomic_inc(&(sbi)->meta_count[META_SIT]); \ | |
4008 | else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \ | |
4009 | atomic_inc(&(sbi)->meta_count[META_NAT]); \ | |
4010 | else if (blkaddr < SM_I(sbi)->main_blkaddr) \ | |
4011 | atomic_inc(&(sbi)->meta_count[META_SSA]); \ | |
4012 | } while (0) | |
dcdfff65 JK |
4013 | #define stat_inc_seg_type(sbi, curseg) \ |
4014 | ((sbi)->segment_count[(curseg)->alloc_type]++) | |
4015 | #define stat_inc_block_count(sbi, curseg) \ | |
4016 | ((sbi)->block_count[(curseg)->alloc_type]++) | |
b9a2c252 CL |
4017 | #define stat_inc_inplace_blocks(sbi) \ |
4018 | (atomic_inc(&(sbi)->inplace_count)) | |
26a28a0c JK |
4019 | #define stat_update_max_atomic_write(inode) \ |
4020 | do { \ | |
b4dac120 | 4021 | int cur = atomic_read(&F2FS_I_SB(inode)->atomic_files); \ |
26a28a0c JK |
4022 | int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \ |
4023 | if (cur > max) \ | |
4024 | atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \ | |
4025 | } while (0) | |
e1235983 | 4026 | #define stat_inc_seg_count(sbi, type, gc_type) \ |
39a53e0c | 4027 | do { \ |
963d4f7d | 4028 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
68afcf2d TK |
4029 | si->tot_segs++; \ |
4030 | if ((type) == SUM_TYPE_DATA) { \ | |
39a53e0c | 4031 | si->data_segs++; \ |
e1235983 CL |
4032 | si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \ |
4033 | } else { \ | |
39a53e0c | 4034 | si->node_segs++; \ |
e1235983 CL |
4035 | si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \ |
4036 | } \ | |
39a53e0c JK |
4037 | } while (0) |
4038 | ||
4039 | #define stat_inc_tot_blk_count(si, blks) \ | |
68afcf2d | 4040 | ((si)->tot_blks += (blks)) |
39a53e0c | 4041 | |
e1235983 | 4042 | #define stat_inc_data_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 4043 | do { \ |
963d4f7d | 4044 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
4045 | stat_inc_tot_blk_count(si, blks); \ |
4046 | si->data_blks += (blks); \ | |
68afcf2d | 4047 | si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
4048 | } while (0) |
4049 | ||
e1235983 | 4050 | #define stat_inc_node_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 4051 | do { \ |
963d4f7d | 4052 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
4053 | stat_inc_tot_blk_count(si, blks); \ |
4054 | si->node_blks += (blks); \ | |
68afcf2d | 4055 | si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
4056 | } while (0) |
4057 | ||
cac5a3d8 DS |
4058 | int f2fs_build_stats(struct f2fs_sb_info *sbi); |
4059 | void f2fs_destroy_stats(struct f2fs_sb_info *sbi); | |
21acc07d | 4060 | void __init f2fs_create_root_stats(void); |
4589d25d | 4061 | void f2fs_destroy_root_stats(void); |
fc7100ea | 4062 | void f2fs_update_sit_info(struct f2fs_sb_info *sbi); |
39a53e0c | 4063 | #else |
d66450e7 AB |
4064 | #define stat_inc_cp_count(si) do { } while (0) |
4065 | #define stat_inc_bg_cp_count(si) do { } while (0) | |
4066 | #define stat_inc_call_count(si) do { } while (0) | |
4067 | #define stat_inc_bggc_count(si) do { } while (0) | |
274bd9ba CY |
4068 | #define stat_io_skip_bggc_count(sbi) do { } while (0) |
4069 | #define stat_other_skip_bggc_count(sbi) do { } while (0) | |
d66450e7 AB |
4070 | #define stat_inc_dirty_inode(sbi, type) do { } while (0) |
4071 | #define stat_dec_dirty_inode(sbi, type) do { } while (0) | |
e7547dac JK |
4072 | #define stat_inc_total_hit(sbi, type) do { } while (0) |
4073 | #define stat_inc_rbtree_node_hit(sbi, type) do { } while (0) | |
d66450e7 | 4074 | #define stat_inc_largest_node_hit(sbi) do { } while (0) |
e7547dac | 4075 | #define stat_inc_cached_node_hit(sbi, type) do { } while (0) |
d66450e7 AB |
4076 | #define stat_inc_inline_xattr(inode) do { } while (0) |
4077 | #define stat_dec_inline_xattr(inode) do { } while (0) | |
4078 | #define stat_inc_inline_inode(inode) do { } while (0) | |
4079 | #define stat_dec_inline_inode(inode) do { } while (0) | |
4080 | #define stat_inc_inline_dir(inode) do { } while (0) | |
4081 | #define stat_dec_inline_dir(inode) do { } while (0) | |
4c8ff709 CY |
4082 | #define stat_inc_compr_inode(inode) do { } while (0) |
4083 | #define stat_dec_compr_inode(inode) do { } while (0) | |
4084 | #define stat_add_compr_blocks(inode, blocks) do { } while (0) | |
4085 | #define stat_sub_compr_blocks(inode, blocks) do { } while (0) | |
8ec071c3 CY |
4086 | #define stat_inc_swapfile_inode(inode) do { } while (0) |
4087 | #define stat_dec_swapfile_inode(inode) do { } while (0) | |
b4dac120 CY |
4088 | #define stat_inc_atomic_inode(inode) do { } while (0) |
4089 | #define stat_dec_atomic_inode(inode) do { } while (0) | |
d66450e7 | 4090 | #define stat_update_max_atomic_write(inode) do { } while (0) |
b63e7be5 | 4091 | #define stat_inc_meta_count(sbi, blkaddr) do { } while (0) |
d66450e7 AB |
4092 | #define stat_inc_seg_type(sbi, curseg) do { } while (0) |
4093 | #define stat_inc_block_count(sbi, curseg) do { } while (0) | |
4094 | #define stat_inc_inplace_blocks(sbi) do { } while (0) | |
4095 | #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0) | |
4096 | #define stat_inc_tot_blk_count(si, blks) do { } while (0) | |
4097 | #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0) | |
4098 | #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0) | |
39a53e0c JK |
4099 | |
4100 | static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; } | |
4101 | static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { } | |
21acc07d | 4102 | static inline void __init f2fs_create_root_stats(void) { } |
4589d25d | 4103 | static inline void f2fs_destroy_root_stats(void) { } |
48abe91a | 4104 | static inline void f2fs_update_sit_info(struct f2fs_sb_info *sbi) {} |
39a53e0c JK |
4105 | #endif |
4106 | ||
4107 | extern const struct file_operations f2fs_dir_operations; | |
4108 | extern const struct file_operations f2fs_file_operations; | |
4109 | extern const struct inode_operations f2fs_file_inode_operations; | |
4110 | extern const struct address_space_operations f2fs_dblock_aops; | |
4111 | extern const struct address_space_operations f2fs_node_aops; | |
4112 | extern const struct address_space_operations f2fs_meta_aops; | |
4113 | extern const struct inode_operations f2fs_dir_inode_operations; | |
4114 | extern const struct inode_operations f2fs_symlink_inode_operations; | |
cbaf042a | 4115 | extern const struct inode_operations f2fs_encrypted_symlink_inode_operations; |
39a53e0c | 4116 | extern const struct inode_operations f2fs_special_inode_operations; |
4d57b86d | 4117 | extern struct kmem_cache *f2fs_inode_entry_slab; |
1001b347 | 4118 | |
e18c65b2 HL |
4119 | /* |
4120 | * inline.c | |
4121 | */ | |
cac5a3d8 | 4122 | bool f2fs_may_inline_data(struct inode *inode); |
677a82b4 | 4123 | bool f2fs_sanity_check_inline_data(struct inode *inode); |
cac5a3d8 | 4124 | bool f2fs_may_inline_dentry(struct inode *inode); |
4d57b86d CY |
4125 | void f2fs_do_read_inline_data(struct page *page, struct page *ipage); |
4126 | void f2fs_truncate_inline_inode(struct inode *inode, | |
4127 | struct page *ipage, u64 from); | |
cac5a3d8 DS |
4128 | int f2fs_read_inline_data(struct inode *inode, struct page *page); |
4129 | int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page); | |
4130 | int f2fs_convert_inline_inode(struct inode *inode); | |
b06af2af | 4131 | int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry); |
cac5a3d8 | 4132 | int f2fs_write_inline_data(struct inode *inode, struct page *page); |
9627a7b3 | 4133 | int f2fs_recover_inline_data(struct inode *inode, struct page *npage); |
4d57b86d | 4134 | struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir, |
43c780ba EB |
4135 | const struct f2fs_filename *fname, |
4136 | struct page **res_page); | |
4d57b86d | 4137 | int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent, |
cac5a3d8 | 4138 | struct page *ipage); |
43c780ba | 4139 | int f2fs_add_inline_entry(struct inode *dir, const struct f2fs_filename *fname, |
cac5a3d8 | 4140 | struct inode *inode, nid_t ino, umode_t mode); |
4d57b86d CY |
4141 | void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, |
4142 | struct page *page, struct inode *dir, | |
4143 | struct inode *inode); | |
cac5a3d8 DS |
4144 | bool f2fs_empty_inline_dir(struct inode *dir); |
4145 | int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx, | |
4146 | struct fscrypt_str *fstr); | |
4147 | int f2fs_inline_data_fiemap(struct inode *inode, | |
4148 | struct fiemap_extent_info *fieinfo, | |
4149 | __u64 start, __u64 len); | |
cde4de12 | 4150 | |
2658e50d JK |
4151 | /* |
4152 | * shrinker.c | |
4153 | */ | |
cac5a3d8 DS |
4154 | unsigned long f2fs_shrink_count(struct shrinker *shrink, |
4155 | struct shrink_control *sc); | |
4156 | unsigned long f2fs_shrink_scan(struct shrinker *shrink, | |
4157 | struct shrink_control *sc); | |
4158 | void f2fs_join_shrinker(struct f2fs_sb_info *sbi); | |
4159 | void f2fs_leave_shrinker(struct f2fs_sb_info *sbi); | |
2658e50d | 4160 | |
a28ef1f5 CY |
4161 | /* |
4162 | * extent_cache.c | |
4163 | */ | |
4dada3fd | 4164 | struct rb_entry *f2fs_lookup_rb_tree(struct rb_root_cached *root, |
004b6862 | 4165 | struct rb_entry *cached_re, unsigned int ofs); |
2e9b2bb2 CY |
4166 | struct rb_node **f2fs_lookup_rb_tree_ext(struct f2fs_sb_info *sbi, |
4167 | struct rb_root_cached *root, | |
4168 | struct rb_node **parent, | |
4169 | unsigned long long key, bool *left_most); | |
4d57b86d | 4170 | struct rb_node **f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi, |
4dada3fd CY |
4171 | struct rb_root_cached *root, |
4172 | struct rb_node **parent, | |
4173 | unsigned int ofs, bool *leftmost); | |
4174 | struct rb_entry *f2fs_lookup_rb_tree_ret(struct rb_root_cached *root, | |
004b6862 CY |
4175 | struct rb_entry *cached_re, unsigned int ofs, |
4176 | struct rb_entry **prev_entry, struct rb_entry **next_entry, | |
4177 | struct rb_node ***insert_p, struct rb_node **insert_parent, | |
4dada3fd | 4178 | bool force, bool *leftmost); |
4d57b86d | 4179 | bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info *sbi, |
2e9b2bb2 | 4180 | struct rb_root_cached *root, bool check_key); |
72840ccc | 4181 | void f2fs_init_extent_tree(struct inode *inode); |
cac5a3d8 | 4182 | void f2fs_drop_extent_tree(struct inode *inode); |
e7547dac | 4183 | void f2fs_destroy_extent_node(struct inode *inode); |
cac5a3d8 | 4184 | void f2fs_destroy_extent_tree(struct inode *inode); |
4d57b86d CY |
4185 | void f2fs_init_extent_cache_info(struct f2fs_sb_info *sbi); |
4186 | int __init f2fs_create_extent_cache(void); | |
4187 | void f2fs_destroy_extent_cache(void); | |
a28ef1f5 | 4188 | |
e7547dac | 4189 | /* read extent cache ops */ |
72840ccc | 4190 | void f2fs_init_read_extent_tree(struct inode *inode, struct page *ipage); |
e7547dac JK |
4191 | bool f2fs_lookup_read_extent_cache(struct inode *inode, pgoff_t pgofs, |
4192 | struct extent_info *ei); | |
4193 | void f2fs_update_read_extent_cache(struct dnode_of_data *dn); | |
4194 | void f2fs_update_read_extent_cache_range(struct dnode_of_data *dn, | |
4195 | pgoff_t fofs, block_t blkaddr, unsigned int len); | |
4196 | unsigned int f2fs_shrink_read_extent_tree(struct f2fs_sb_info *sbi, | |
4197 | int nr_shrink); | |
4198 | ||
71644dff JK |
4199 | /* block age extent cache ops */ |
4200 | void f2fs_init_age_extent_tree(struct inode *inode); | |
4201 | bool f2fs_lookup_age_extent_cache(struct inode *inode, pgoff_t pgofs, | |
4202 | struct extent_info *ei); | |
4203 | void f2fs_update_age_extent_cache(struct dnode_of_data *dn); | |
4204 | void f2fs_update_age_extent_cache_range(struct dnode_of_data *dn, | |
4205 | pgoff_t fofs, unsigned int len); | |
4206 | unsigned int f2fs_shrink_age_extent_tree(struct f2fs_sb_info *sbi, | |
4207 | int nr_shrink); | |
4208 | ||
8ceffcb2 CY |
4209 | /* |
4210 | * sysfs.c | |
4211 | */ | |
0f6b56ec DJ |
4212 | #define MIN_RA_MUL 2 |
4213 | #define MAX_RA_MUL 256 | |
4214 | ||
dc6b2055 JK |
4215 | int __init f2fs_init_sysfs(void); |
4216 | void f2fs_exit_sysfs(void); | |
4217 | int f2fs_register_sysfs(struct f2fs_sb_info *sbi); | |
4218 | void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi); | |
8ceffcb2 | 4219 | |
95ae251f EB |
4220 | /* verity.c */ |
4221 | extern const struct fsverity_operations f2fs_verityops; | |
4222 | ||
cde4de12 JK |
4223 | /* |
4224 | * crypto support | |
4225 | */ | |
1958593e JK |
4226 | static inline bool f2fs_encrypted_file(struct inode *inode) |
4227 | { | |
62230e0d | 4228 | return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode); |
1958593e JK |
4229 | } |
4230 | ||
cde4de12 JK |
4231 | static inline void f2fs_set_encrypted_inode(struct inode *inode) |
4232 | { | |
643fa961 | 4233 | #ifdef CONFIG_FS_ENCRYPTION |
cde4de12 | 4234 | file_set_encrypt(inode); |
9149a5eb | 4235 | f2fs_set_inode_flags(inode); |
cde4de12 JK |
4236 | #endif |
4237 | } | |
4238 | ||
6dbb1796 EB |
4239 | /* |
4240 | * Returns true if the reads of the inode's data need to undergo some | |
4241 | * postprocessing step, like decryption or authenticity verification. | |
4242 | */ | |
4243 | static inline bool f2fs_post_read_required(struct inode *inode) | |
cde4de12 | 4244 | { |
4c8ff709 CY |
4245 | return f2fs_encrypted_file(inode) || fsverity_active(inode) || |
4246 | f2fs_compressed_file(inode); | |
4247 | } | |
4248 | ||
4249 | /* | |
4250 | * compress.c | |
4251 | */ | |
4252 | #ifdef CONFIG_F2FS_FS_COMPRESSION | |
4253 | bool f2fs_is_compressed_page(struct page *page); | |
4254 | struct page *f2fs_compress_control_page(struct page *page); | |
4255 | int f2fs_prepare_compress_overwrite(struct inode *inode, | |
4256 | struct page **pagep, pgoff_t index, void **fsdata); | |
4257 | bool f2fs_compress_write_end(struct inode *inode, void *fsdata, | |
4258 | pgoff_t index, unsigned copied); | |
3265d3db | 4259 | int f2fs_truncate_partial_cluster(struct inode *inode, u64 from, bool lock); |
4c8ff709 CY |
4260 | void f2fs_compress_write_end_io(struct bio *bio, struct page *page); |
4261 | bool f2fs_is_compress_backend_ready(struct inode *inode); | |
5e6bbde9 CY |
4262 | int f2fs_init_compress_mempool(void); |
4263 | void f2fs_destroy_compress_mempool(void); | |
bff139b4 | 4264 | void f2fs_decompress_cluster(struct decompress_io_ctx *dic, bool in_task); |
6ce19aff | 4265 | void f2fs_end_read_compressed_page(struct page *page, bool failed, |
bff139b4 | 4266 | block_t blkaddr, bool in_task); |
4c8ff709 CY |
4267 | bool f2fs_cluster_is_empty(struct compress_ctx *cc); |
4268 | bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index); | |
01fc4b9a | 4269 | bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, struct page **pages, |
4f8219f8 | 4270 | int index, int nr_pages, bool uptodate); |
bbe1da7e | 4271 | bool f2fs_sanity_check_cluster(struct dnode_of_data *dn); |
4c8ff709 CY |
4272 | void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page); |
4273 | int f2fs_write_multi_pages(struct compress_ctx *cc, | |
4274 | int *submitted, | |
4275 | struct writeback_control *wbc, | |
4276 | enum iostat_type io_type); | |
4277 | int f2fs_is_compressed_cluster(struct inode *inode, pgoff_t index); | |
e7547dac JK |
4278 | void f2fs_update_read_extent_tree_range_compressed(struct inode *inode, |
4279 | pgoff_t fofs, block_t blkaddr, | |
4280 | unsigned int llen, unsigned int c_len); | |
4c8ff709 CY |
4281 | int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret, |
4282 | unsigned nr_pages, sector_t *last_block_in_bio, | |
0683728a | 4283 | bool is_readahead, bool for_write); |
4c8ff709 | 4284 | struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc); |
bff139b4 DJ |
4285 | void f2fs_decompress_end_io(struct decompress_io_ctx *dic, bool failed, |
4286 | bool in_task); | |
4287 | void f2fs_put_page_dic(struct page *page, bool in_task); | |
94afd6d6 | 4288 | unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn); |
4c8ff709 | 4289 | int f2fs_init_compress_ctx(struct compress_ctx *cc); |
8bfbfb0d | 4290 | void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse); |
4c8ff709 | 4291 | void f2fs_init_compress_info(struct f2fs_sb_info *sbi); |
6ce19aff CY |
4292 | int f2fs_init_compress_inode(struct f2fs_sb_info *sbi); |
4293 | void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi); | |
31083031 CY |
4294 | int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi); |
4295 | void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi); | |
c68d6c88 CY |
4296 | int __init f2fs_init_compress_cache(void); |
4297 | void f2fs_destroy_compress_cache(void); | |
6ce19aff CY |
4298 | struct address_space *COMPRESS_MAPPING(struct f2fs_sb_info *sbi); |
4299 | void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi, block_t blkaddr); | |
4300 | void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, struct page *page, | |
4301 | nid_t ino, block_t blkaddr); | |
4302 | bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi, struct page *page, | |
4303 | block_t blkaddr); | |
4304 | void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, nid_t ino); | |
5ac443e2 DJ |
4305 | #define inc_compr_inode_stat(inode) \ |
4306 | do { \ | |
4307 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \ | |
4308 | sbi->compr_new_inode++; \ | |
4309 | } while (0) | |
4310 | #define add_compr_block_stat(inode, blocks) \ | |
4311 | do { \ | |
4312 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \ | |
4313 | int diff = F2FS_I(inode)->i_cluster_size - blocks; \ | |
4314 | sbi->compr_written_block += blocks; \ | |
4315 | sbi->compr_saved_block += diff; \ | |
4316 | } while (0) | |
4c8ff709 CY |
4317 | #else |
4318 | static inline bool f2fs_is_compressed_page(struct page *page) { return false; } | |
4319 | static inline bool f2fs_is_compress_backend_ready(struct inode *inode) | |
4320 | { | |
4321 | if (!f2fs_compressed_file(inode)) | |
4322 | return true; | |
4323 | /* not support compression */ | |
4324 | return false; | |
4325 | } | |
4326 | static inline struct page *f2fs_compress_control_page(struct page *page) | |
4327 | { | |
4328 | WARN_ON_ONCE(1); | |
4329 | return ERR_PTR(-EINVAL); | |
4330 | } | |
5e6bbde9 CY |
4331 | static inline int f2fs_init_compress_mempool(void) { return 0; } |
4332 | static inline void f2fs_destroy_compress_mempool(void) { } | |
bff139b4 DJ |
4333 | static inline void f2fs_decompress_cluster(struct decompress_io_ctx *dic, |
4334 | bool in_task) { } | |
6ce19aff | 4335 | static inline void f2fs_end_read_compressed_page(struct page *page, |
bff139b4 | 4336 | bool failed, block_t blkaddr, bool in_task) |
7f59b277 EB |
4337 | { |
4338 | WARN_ON_ONCE(1); | |
4339 | } | |
bff139b4 | 4340 | static inline void f2fs_put_page_dic(struct page *page, bool in_task) |
7f59b277 EB |
4341 | { |
4342 | WARN_ON_ONCE(1); | |
4343 | } | |
94afd6d6 | 4344 | static inline unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn) { return 0; } |
bbe1da7e | 4345 | static inline bool f2fs_sanity_check_cluster(struct dnode_of_data *dn) { return false; } |
6ce19aff CY |
4346 | static inline int f2fs_init_compress_inode(struct f2fs_sb_info *sbi) { return 0; } |
4347 | static inline void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi) { } | |
31083031 CY |
4348 | static inline int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi) { return 0; } |
4349 | static inline void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi) { } | |
c68d6c88 CY |
4350 | static inline int __init f2fs_init_compress_cache(void) { return 0; } |
4351 | static inline void f2fs_destroy_compress_cache(void) { } | |
6ce19aff CY |
4352 | static inline void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi, |
4353 | block_t blkaddr) { } | |
4354 | static inline void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, | |
4355 | struct page *page, nid_t ino, block_t blkaddr) { } | |
4356 | static inline bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi, | |
4357 | struct page *page, block_t blkaddr) { return false; } | |
4358 | static inline void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, | |
4359 | nid_t ino) { } | |
5ac443e2 | 4360 | #define inc_compr_inode_stat(inode) do { } while (0) |
e7547dac JK |
4361 | static inline void f2fs_update_read_extent_tree_range_compressed( |
4362 | struct inode *inode, | |
4363 | pgoff_t fofs, block_t blkaddr, | |
4364 | unsigned int llen, unsigned int c_len) { } | |
4c8ff709 CY |
4365 | #endif |
4366 | ||
912f0d65 | 4367 | static inline int set_compress_context(struct inode *inode) |
4c8ff709 | 4368 | { |
912f0d65 | 4369 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
4c8ff709 CY |
4370 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
4371 | ||
4372 | F2FS_I(inode)->i_compress_algorithm = | |
4373 | F2FS_OPTION(sbi).compress_algorithm; | |
4374 | F2FS_I(inode)->i_log_cluster_size = | |
4375 | F2FS_OPTION(sbi).compress_log_size; | |
b28f047b CY |
4376 | F2FS_I(inode)->i_compress_flag = |
4377 | F2FS_OPTION(sbi).compress_chksum ? | |
4378 | 1 << COMPRESS_CHKSUM : 0; | |
4c8ff709 CY |
4379 | F2FS_I(inode)->i_cluster_size = |
4380 | 1 << F2FS_I(inode)->i_log_cluster_size; | |
01f6afd0 CY |
4381 | if ((F2FS_I(inode)->i_compress_algorithm == COMPRESS_LZ4 || |
4382 | F2FS_I(inode)->i_compress_algorithm == COMPRESS_ZSTD) && | |
3fde13f8 CY |
4383 | F2FS_OPTION(sbi).compress_level) |
4384 | F2FS_I(inode)->i_compress_flag |= | |
4385 | F2FS_OPTION(sbi).compress_level << | |
4386 | COMPRESS_LEVEL_OFFSET; | |
4c8ff709 CY |
4387 | F2FS_I(inode)->i_flags |= F2FS_COMPR_FL; |
4388 | set_inode_flag(inode, FI_COMPRESSED_FILE); | |
4389 | stat_inc_compr_inode(inode); | |
5ac443e2 | 4390 | inc_compr_inode_stat(inode); |
530e0704 | 4391 | f2fs_mark_inode_dirty_sync(inode, true); |
912f0d65 JK |
4392 | return 0; |
4393 | #else | |
4394 | return -EOPNOTSUPP; | |
4395 | #endif | |
4c8ff709 CY |
4396 | } |
4397 | ||
78134d03 | 4398 | static inline bool f2fs_disable_compressed_file(struct inode *inode) |
4c8ff709 CY |
4399 | { |
4400 | struct f2fs_inode_info *fi = F2FS_I(inode); | |
4401 | ||
4402 | if (!f2fs_compressed_file(inode)) | |
78134d03 | 4403 | return true; |
02d58cd2 | 4404 | if (S_ISREG(inode->i_mode) && F2FS_HAS_BLOCKS(inode)) |
78134d03 | 4405 | return false; |
4c8ff709 CY |
4406 | |
4407 | fi->i_flags &= ~F2FS_COMPR_FL; | |
4c8ff709 | 4408 | stat_dec_compr_inode(inode); |
96f5b4fa | 4409 | clear_inode_flag(inode, FI_COMPRESSED_FILE); |
530e0704 | 4410 | f2fs_mark_inode_dirty_sync(inode, true); |
78134d03 | 4411 | return true; |
cde4de12 JK |
4412 | } |
4413 | ||
ccd31cb2 | 4414 | #define F2FS_FEATURE_FUNCS(name, flagname) \ |
e4807519 | 4415 | static inline bool f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \ |
ccd31cb2 | 4416 | { \ |
7beb01f7 | 4417 | return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \ |
52763a4b JK |
4418 | } |
4419 | ||
ccd31cb2 SY |
4420 | F2FS_FEATURE_FUNCS(encrypt, ENCRYPT); |
4421 | F2FS_FEATURE_FUNCS(blkzoned, BLKZONED); | |
4422 | F2FS_FEATURE_FUNCS(extra_attr, EXTRA_ATTR); | |
4423 | F2FS_FEATURE_FUNCS(project_quota, PRJQUOTA); | |
4424 | F2FS_FEATURE_FUNCS(inode_chksum, INODE_CHKSUM); | |
4425 | F2FS_FEATURE_FUNCS(flexible_inline_xattr, FLEXIBLE_INLINE_XATTR); | |
4426 | F2FS_FEATURE_FUNCS(quota_ino, QUOTA_INO); | |
4427 | F2FS_FEATURE_FUNCS(inode_crtime, INODE_CRTIME); | |
b7c409de | 4428 | F2FS_FEATURE_FUNCS(lost_found, LOST_FOUND); |
95ae251f | 4429 | F2FS_FEATURE_FUNCS(verity, VERITY); |
d440c52d | 4430 | F2FS_FEATURE_FUNCS(sb_chksum, SB_CHKSUM); |
5aba5430 | 4431 | F2FS_FEATURE_FUNCS(casefold, CASEFOLD); |
4c8ff709 | 4432 | F2FS_FEATURE_FUNCS(compression, COMPRESSION); |
a7d9fe3c | 4433 | F2FS_FEATURE_FUNCS(readonly, RO); |
1c1d35df | 4434 | |
178053e2 | 4435 | #ifdef CONFIG_BLK_DEV_ZONED |
95175daf DLM |
4436 | static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi, |
4437 | block_t blkaddr) | |
178053e2 DLM |
4438 | { |
4439 | unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz; | |
4440 | ||
95175daf | 4441 | return test_bit(zno, FDEV(devi).blkz_seq); |
178053e2 DLM |
4442 | } |
4443 | #endif | |
4444 | ||
7d20c8ab | 4445 | static inline bool f2fs_hw_should_discard(struct f2fs_sb_info *sbi) |
52763a4b | 4446 | { |
7beb01f7 | 4447 | return f2fs_sb_has_blkzoned(sbi); |
7d20c8ab | 4448 | } |
96ba2dec | 4449 | |
7f3d7719 DLM |
4450 | static inline bool f2fs_bdev_support_discard(struct block_device *bdev) |
4451 | { | |
70200574 | 4452 | return bdev_max_discard_sectors(bdev) || bdev_is_zoned(bdev); |
7f3d7719 DLM |
4453 | } |
4454 | ||
7d20c8ab CY |
4455 | static inline bool f2fs_hw_support_discard(struct f2fs_sb_info *sbi) |
4456 | { | |
7f3d7719 DLM |
4457 | int i; |
4458 | ||
4459 | if (!f2fs_is_multi_device(sbi)) | |
4460 | return f2fs_bdev_support_discard(sbi->sb->s_bdev); | |
4461 | ||
4462 | for (i = 0; i < sbi->s_ndevs; i++) | |
4463 | if (f2fs_bdev_support_discard(FDEV(i).bdev)) | |
4464 | return true; | |
4465 | return false; | |
7d20c8ab CY |
4466 | } |
4467 | ||
4468 | static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info *sbi) | |
4469 | { | |
4470 | return (test_opt(sbi, DISCARD) && f2fs_hw_support_discard(sbi)) || | |
4471 | f2fs_hw_should_discard(sbi); | |
52763a4b JK |
4472 | } |
4473 | ||
f824deb5 CY |
4474 | static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info *sbi) |
4475 | { | |
4476 | int i; | |
4477 | ||
4478 | if (!f2fs_is_multi_device(sbi)) | |
4479 | return bdev_read_only(sbi->sb->s_bdev); | |
4480 | ||
4481 | for (i = 0; i < sbi->s_ndevs; i++) | |
4482 | if (bdev_read_only(FDEV(i).bdev)) | |
4483 | return true; | |
4484 | return false; | |
4485 | } | |
4486 | ||
b0332a0f | 4487 | static inline bool f2fs_lfs_mode(struct f2fs_sb_info *sbi) |
52763a4b | 4488 | { |
b0332a0f | 4489 | return F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS; |
52763a4b JK |
4490 | } |
4491 | ||
7a8fc586 DJ |
4492 | static inline bool f2fs_low_mem_mode(struct f2fs_sb_info *sbi) |
4493 | { | |
4494 | return F2FS_OPTION(sbi).memory_mode == MEMORY_MODE_LOW; | |
4495 | } | |
4496 | ||
4c8ff709 CY |
4497 | static inline bool f2fs_may_compress(struct inode *inode) |
4498 | { | |
4499 | if (IS_SWAPFILE(inode) || f2fs_is_pinned_file(inode) || | |
7165841d | 4500 | f2fs_is_atomic_file(inode) || f2fs_has_inline_data(inode)) |
4c8ff709 CY |
4501 | return false; |
4502 | return S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode); | |
4503 | } | |
4504 | ||
4505 | static inline void f2fs_i_compr_blocks_update(struct inode *inode, | |
4506 | u64 blocks, bool add) | |
4507 | { | |
c2759eba | 4508 | struct f2fs_inode_info *fi = F2FS_I(inode); |
054cb289 | 4509 | int diff = fi->i_cluster_size - blocks; |
4c8ff709 | 4510 | |
ef8d563f | 4511 | /* don't update i_compr_blocks if saved blocks were released */ |
c2759eba | 4512 | if (!add && !atomic_read(&fi->i_compr_blocks)) |
ef8d563f CY |
4513 | return; |
4514 | ||
4c8ff709 | 4515 | if (add) { |
c2759eba | 4516 | atomic_add(diff, &fi->i_compr_blocks); |
4c8ff709 CY |
4517 | stat_add_compr_blocks(inode, diff); |
4518 | } else { | |
c2759eba | 4519 | atomic_sub(diff, &fi->i_compr_blocks); |
4c8ff709 CY |
4520 | stat_sub_compr_blocks(inode, diff); |
4521 | } | |
4522 | f2fs_mark_inode_dirty_sync(inode, true); | |
4523 | } | |
4524 | ||
71f2c820 CY |
4525 | static inline bool f2fs_allow_multi_device_dio(struct f2fs_sb_info *sbi, |
4526 | int flag) | |
4527 | { | |
4528 | if (!f2fs_is_multi_device(sbi)) | |
4529 | return false; | |
4530 | if (flag != F2FS_GET_BLOCK_DIO) | |
4531 | return false; | |
4532 | return sbi->aligned_blksize; | |
4533 | } | |
4534 | ||
7f59b277 EB |
4535 | static inline bool f2fs_need_verity(const struct inode *inode, pgoff_t idx) |
4536 | { | |
4537 | return fsverity_active(inode) && | |
4538 | idx < DIV_ROUND_UP(inode->i_size, PAGE_SIZE); | |
4539 | } | |
4540 | ||
83a3bfdb | 4541 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a CY |
4542 | extern void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate, |
4543 | unsigned int type); | |
83a3bfdb | 4544 | #else |
d494500a | 4545 | #define f2fs_build_fault_attr(sbi, rate, type) do { } while (0) |
83a3bfdb JK |
4546 | #endif |
4547 | ||
af033b2a CY |
4548 | static inline bool is_journalled_quota(struct f2fs_sb_info *sbi) |
4549 | { | |
4550 | #ifdef CONFIG_QUOTA | |
7beb01f7 | 4551 | if (f2fs_sb_has_quota_ino(sbi)) |
af033b2a CY |
4552 | return true; |
4553 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] || | |
4554 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] || | |
4555 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) | |
4556 | return true; | |
4557 | #endif | |
4558 | return false; | |
4559 | } | |
0af725fc | 4560 | |
4f993264 CY |
4561 | static inline bool f2fs_block_unit_discard(struct f2fs_sb_info *sbi) |
4562 | { | |
4563 | return F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_BLOCK; | |
4564 | } | |
4565 | ||
a64239d0 N |
4566 | static inline void f2fs_io_schedule_timeout(long timeout) |
4567 | { | |
4568 | set_current_state(TASK_UNINTERRUPTIBLE); | |
4569 | io_schedule_timeout(timeout); | |
4570 | } | |
4571 | ||
a7b8618a JK |
4572 | static inline void f2fs_handle_page_eio(struct f2fs_sb_info *sbi, pgoff_t ofs, |
4573 | enum page_type type) | |
4574 | { | |
4575 | if (unlikely(f2fs_cp_error(sbi))) | |
4576 | return; | |
4577 | ||
4578 | if (ofs == sbi->page_eio_ofs[type]) { | |
4579 | if (sbi->page_eio_cnt[type]++ == MAX_RETRY_PAGE_EIO) | |
4580 | set_ckpt_flags(sbi, CP_ERROR_FLAG); | |
4581 | } else { | |
4582 | sbi->page_eio_ofs[type] = ofs; | |
4583 | sbi->page_eio_cnt[type] = 0; | |
4584 | } | |
4585 | } | |
4586 | ||
ed8ac22b YL |
4587 | static inline bool f2fs_is_readonly(struct f2fs_sb_info *sbi) |
4588 | { | |
4589 | return f2fs_sb_has_readonly(sbi) || f2fs_readonly(sbi->sb); | |
4590 | } | |
4591 | ||
10f966bb CY |
4592 | #define EFSBADCRC EBADMSG /* Bad CRC detected */ |
4593 | #define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */ | |
4594 | ||
e1074d4b | 4595 | #endif /* _LINUX_F2FS_H */ |