Commit | Line | Data |
---|---|---|
7c1a000d | 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 | ||
11 | #include <linux/types.h> | |
12 | #include <linux/page-flags.h> | |
13 | #include <linux/buffer_head.h> | |
39a53e0c JK |
14 | #include <linux/slab.h> |
15 | #include <linux/crc32.h> | |
16 | #include <linux/magic.h> | |
c2d715d1 | 17 | #include <linux/kobject.h> |
7bd59381 | 18 | #include <linux/sched.h> |
7c2e5963 | 19 | #include <linux/cred.h> |
39307a8e | 20 | #include <linux/vmalloc.h> |
740432f8 | 21 | #include <linux/bio.h> |
d0239e1b | 22 | #include <linux/blkdev.h> |
0abd675e | 23 | #include <linux/quotaops.h> |
43b6573b | 24 | #include <crypto/hash.h> |
39a53e0c | 25 | |
734f0d24 DC |
26 | #define __FS_HAS_ENCRYPTION IS_ENABLED(CONFIG_F2FS_FS_ENCRYPTION) |
27 | #include <linux/fscrypt.h> | |
28 | ||
5d56b671 | 29 | #ifdef CONFIG_F2FS_CHECK_FS |
9850cf4a | 30 | #define f2fs_bug_on(sbi, condition) BUG_ON(condition) |
5d56b671 | 31 | #else |
9850cf4a JK |
32 | #define f2fs_bug_on(sbi, condition) \ |
33 | do { \ | |
34 | if (unlikely(condition)) { \ | |
35 | WARN_ON(1); \ | |
caf0047e | 36 | set_sbi_flag(sbi, SBI_NEED_FSCK); \ |
9850cf4a JK |
37 | } \ |
38 | } while (0) | |
5d56b671 JK |
39 | #endif |
40 | ||
2c63fead JK |
41 | enum { |
42 | FAULT_KMALLOC, | |
628b3d14 | 43 | FAULT_KVMALLOC, |
c41f3cc3 | 44 | FAULT_PAGE_ALLOC, |
01eccef7 | 45 | FAULT_PAGE_GET, |
d62fe971 | 46 | FAULT_ALLOC_BIO, |
cb78942b JK |
47 | FAULT_ALLOC_NID, |
48 | FAULT_ORPHAN, | |
49 | FAULT_BLOCK, | |
50 | FAULT_DIR_DEPTH, | |
53aa6bbf | 51 | FAULT_EVICT_INODE, |
14b44d23 | 52 | FAULT_TRUNCATE, |
6f5c2ed0 | 53 | FAULT_READ_IO, |
0f348028 | 54 | FAULT_CHECKPOINT, |
b83dcfe6 | 55 | FAULT_DISCARD, |
6f5c2ed0 | 56 | FAULT_WRITE_IO, |
2c63fead JK |
57 | FAULT_MAX, |
58 | }; | |
59 | ||
7fa750a1 | 60 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a CY |
61 | #define F2FS_ALL_FAULT_TYPE ((1 << FAULT_MAX) - 1) |
62 | ||
08796897 SY |
63 | struct f2fs_fault_info { |
64 | atomic_t inject_ops; | |
65 | unsigned int inject_rate; | |
66 | unsigned int inject_type; | |
67 | }; | |
68 | ||
2d3a5856 | 69 | extern char *f2fs_fault_name[FAULT_MAX]; |
68afcf2d | 70 | #define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type))) |
2c63fead JK |
71 | #endif |
72 | ||
39a53e0c JK |
73 | /* |
74 | * For mount options | |
75 | */ | |
76 | #define F2FS_MOUNT_BG_GC 0x00000001 | |
77 | #define F2FS_MOUNT_DISABLE_ROLL_FORWARD 0x00000002 | |
78 | #define F2FS_MOUNT_DISCARD 0x00000004 | |
79 | #define F2FS_MOUNT_NOHEAP 0x00000008 | |
80 | #define F2FS_MOUNT_XATTR_USER 0x00000010 | |
81 | #define F2FS_MOUNT_POSIX_ACL 0x00000020 | |
82 | #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040 | |
444c580f | 83 | #define F2FS_MOUNT_INLINE_XATTR 0x00000080 |
1001b347 | 84 | #define F2FS_MOUNT_INLINE_DATA 0x00000100 |
34d67deb CY |
85 | #define F2FS_MOUNT_INLINE_DENTRY 0x00000200 |
86 | #define F2FS_MOUNT_FLUSH_MERGE 0x00000400 | |
87 | #define F2FS_MOUNT_NOBARRIER 0x00000800 | |
d5053a34 | 88 | #define F2FS_MOUNT_FASTBOOT 0x00001000 |
89672159 | 89 | #define F2FS_MOUNT_EXTENT_CACHE 0x00002000 |
6aefd93b | 90 | #define F2FS_MOUNT_FORCE_FG_GC 0x00004000 |
343f40f0 | 91 | #define F2FS_MOUNT_DATA_FLUSH 0x00008000 |
73faec4d | 92 | #define F2FS_MOUNT_FAULT_INJECTION 0x00010000 |
36abef4e JK |
93 | #define F2FS_MOUNT_ADAPTIVE 0x00020000 |
94 | #define F2FS_MOUNT_LFS 0x00040000 | |
0abd675e CY |
95 | #define F2FS_MOUNT_USRQUOTA 0x00080000 |
96 | #define F2FS_MOUNT_GRPQUOTA 0x00100000 | |
5c57132e | 97 | #define F2FS_MOUNT_PRJQUOTA 0x00200000 |
4b2414d0 | 98 | #define F2FS_MOUNT_QUOTA 0x00400000 |
6afc662e | 99 | #define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00800000 |
7e65be49 | 100 | #define F2FS_MOUNT_RESERVE_ROOT 0x01000000 |
39a53e0c | 101 | |
63189b78 CY |
102 | #define F2FS_OPTION(sbi) ((sbi)->mount_opt) |
103 | #define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option) | |
104 | #define set_opt(sbi, option) (F2FS_OPTION(sbi).opt |= F2FS_MOUNT_##option) | |
105 | #define test_opt(sbi, option) (F2FS_OPTION(sbi).opt & F2FS_MOUNT_##option) | |
39a53e0c JK |
106 | |
107 | #define ver_after(a, b) (typecheck(unsigned long long, a) && \ | |
108 | typecheck(unsigned long long, b) && \ | |
109 | ((long long)((a) - (b)) > 0)) | |
110 | ||
a9841c4d JK |
111 | typedef u32 block_t; /* |
112 | * should not change u32, since it is the on-disk block | |
113 | * address format, __le32. | |
114 | */ | |
39a53e0c JK |
115 | typedef u32 nid_t; |
116 | ||
117 | struct f2fs_mount_info { | |
63189b78 CY |
118 | unsigned int opt; |
119 | int write_io_size_bits; /* Write IO size bits */ | |
120 | block_t root_reserved_blocks; /* root reserved blocks */ | |
121 | kuid_t s_resuid; /* reserved blocks for uid */ | |
122 | kgid_t s_resgid; /* reserved blocks for gid */ | |
123 | int active_logs; /* # of active logs */ | |
124 | int inline_xattr_size; /* inline xattr size */ | |
125 | #ifdef CONFIG_F2FS_FAULT_INJECTION | |
126 | struct f2fs_fault_info fault_info; /* For fault injection */ | |
127 | #endif | |
128 | #ifdef CONFIG_QUOTA | |
129 | /* Names of quota files with journalled quota */ | |
130 | char *s_qf_names[MAXQUOTAS]; | |
131 | int s_jquota_fmt; /* Format of quota to use */ | |
132 | #endif | |
133 | /* For which write hints are passed down to block layer */ | |
134 | int whint_mode; | |
135 | int alloc_mode; /* segment allocation policy */ | |
136 | int fsync_mode; /* fsync policy */ | |
ff62af20 | 137 | bool test_dummy_encryption; /* test dummy encryption */ |
39a53e0c JK |
138 | }; |
139 | ||
7a2af766 CY |
140 | #define F2FS_FEATURE_ENCRYPT 0x0001 |
141 | #define F2FS_FEATURE_BLKZONED 0x0002 | |
142 | #define F2FS_FEATURE_ATOMIC_WRITE 0x0004 | |
143 | #define F2FS_FEATURE_EXTRA_ATTR 0x0008 | |
5c57132e | 144 | #define F2FS_FEATURE_PRJQUOTA 0x0010 |
704956ec | 145 | #define F2FS_FEATURE_INODE_CHKSUM 0x0020 |
6afc662e | 146 | #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040 |
234a9689 | 147 | #define F2FS_FEATURE_QUOTA_INO 0x0080 |
1c1d35df | 148 | #define F2FS_FEATURE_INODE_CRTIME 0x0100 |
b7c409de | 149 | #define F2FS_FEATURE_LOST_FOUND 0x0200 |
53fedcc0 | 150 | #define F2FS_FEATURE_VERITY 0x0400 /* reserved */ |
cde4de12 | 151 | |
76f105a2 JK |
152 | #define F2FS_HAS_FEATURE(sb, mask) \ |
153 | ((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0) | |
154 | #define F2FS_SET_FEATURE(sb, mask) \ | |
c64ab12e | 155 | (F2FS_SB(sb)->raw_super->feature |= cpu_to_le32(mask)) |
76f105a2 | 156 | #define F2FS_CLEAR_FEATURE(sb, mask) \ |
c64ab12e | 157 | (F2FS_SB(sb)->raw_super->feature &= ~cpu_to_le32(mask)) |
76f105a2 | 158 | |
7c2e5963 JK |
159 | /* |
160 | * Default values for user and/or group using reserved blocks | |
161 | */ | |
162 | #define F2FS_DEF_RESUID 0 | |
163 | #define F2FS_DEF_RESGID 0 | |
164 | ||
39a53e0c JK |
165 | /* |
166 | * For checkpoint manager | |
167 | */ | |
168 | enum { | |
169 | NAT_BITMAP, | |
170 | SIT_BITMAP | |
171 | }; | |
172 | ||
c473f1a9 CY |
173 | #define CP_UMOUNT 0x00000001 |
174 | #define CP_FASTBOOT 0x00000002 | |
175 | #define CP_SYNC 0x00000004 | |
176 | #define CP_RECOVERY 0x00000008 | |
177 | #define CP_DISCARD 0x00000010 | |
1f43e2ad | 178 | #define CP_TRIMMED 0x00000020 |
75ab4cb8 | 179 | |
4ddb1a4d | 180 | #define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi) |
ecc9aa00 | 181 | #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */ |
969d1b18 | 182 | #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */ |
f9d1dced | 183 | #define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */ |
969d1b18 | 184 | #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */ |
8bb4f253 | 185 | #define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */ |
60b99b48 | 186 | #define DEF_CP_INTERVAL 60 /* 60 secs */ |
dcf25fe8 | 187 | #define DEF_IDLE_INTERVAL 5 /* 5 secs */ |
bba681cb | 188 | |
75ab4cb8 JK |
189 | struct cp_control { |
190 | int reason; | |
4b2fecc8 JK |
191 | __u64 trim_start; |
192 | __u64 trim_end; | |
193 | __u64 trim_minlen; | |
75ab4cb8 JK |
194 | }; |
195 | ||
662befda | 196 | /* |
e1da7872 | 197 | * indicate meta/data type |
662befda CY |
198 | */ |
199 | enum { | |
200 | META_CP, | |
201 | META_NAT, | |
81c1a0f1 | 202 | META_SIT, |
4c521f49 | 203 | META_SSA, |
b63e7be5 | 204 | META_MAX, |
4c521f49 | 205 | META_POR, |
e1da7872 CY |
206 | DATA_GENERIC, |
207 | META_GENERIC, | |
662befda CY |
208 | }; |
209 | ||
6451e041 JK |
210 | /* for the list of ino */ |
211 | enum { | |
212 | ORPHAN_INO, /* for orphan ino list */ | |
fff04f90 JK |
213 | APPEND_INO, /* for append ino list */ |
214 | UPDATE_INO, /* for update ino list */ | |
0a007b97 | 215 | TRANS_DIR_INO, /* for trasactions dir ino list */ |
39d787be | 216 | FLUSH_INO, /* for multiple device flushing */ |
6451e041 JK |
217 | MAX_INO_ENTRY, /* max. list */ |
218 | }; | |
219 | ||
220 | struct ino_entry { | |
39d787be CY |
221 | struct list_head list; /* list head */ |
222 | nid_t ino; /* inode number */ | |
223 | unsigned int dirty_device; /* dirty device bitmap */ | |
39a53e0c JK |
224 | }; |
225 | ||
2710fd7e | 226 | /* for the list of inodes to be GCed */ |
06292073 | 227 | struct inode_entry { |
39a53e0c JK |
228 | struct list_head list; /* list head */ |
229 | struct inode *inode; /* vfs inode pointer */ | |
230 | }; | |
231 | ||
50fa53ec CY |
232 | struct fsync_node_entry { |
233 | struct list_head list; /* list head */ | |
234 | struct page *page; /* warm node page pointer */ | |
235 | unsigned int seq_id; /* sequence id */ | |
236 | }; | |
237 | ||
a7eeb823 | 238 | /* for the bitmap indicate blocks to be discarded */ |
7fd9e544 JK |
239 | struct discard_entry { |
240 | struct list_head list; /* list head */ | |
a7eeb823 CY |
241 | block_t start_blkaddr; /* start blockaddr of current segment */ |
242 | unsigned char discard_map[SIT_VBLOCK_MAP_SIZE]; /* segment discard bitmap */ | |
7fd9e544 JK |
243 | }; |
244 | ||
969d1b18 CY |
245 | /* default discard granularity of inner discard thread, unit: block count */ |
246 | #define DEFAULT_DISCARD_GRANULARITY 16 | |
247 | ||
ba48a33e CY |
248 | /* max discard pend list number */ |
249 | #define MAX_PLIST_NUM 512 | |
250 | #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \ | |
251 | (MAX_PLIST_NUM - 1) : (blk_num - 1)) | |
252 | ||
15469963 | 253 | enum { |
35ec7d57 CY |
254 | D_PREP, /* initial */ |
255 | D_PARTIAL, /* partially submitted */ | |
256 | D_SUBMIT, /* all submitted */ | |
257 | D_DONE, /* finished */ | |
15469963 JK |
258 | }; |
259 | ||
004b6862 CY |
260 | struct discard_info { |
261 | block_t lstart; /* logical start address */ | |
262 | block_t len; /* length */ | |
263 | block_t start; /* actual start address in dev */ | |
264 | }; | |
265 | ||
b01a9201 | 266 | struct discard_cmd { |
004b6862 CY |
267 | struct rb_node rb_node; /* rb node located in rb-tree */ |
268 | union { | |
269 | struct { | |
270 | block_t lstart; /* logical start address */ | |
271 | block_t len; /* length */ | |
272 | block_t start; /* actual start address in dev */ | |
273 | }; | |
274 | struct discard_info di; /* discard info */ | |
275 | ||
276 | }; | |
b01a9201 JK |
277 | struct list_head list; /* command list */ |
278 | struct completion wait; /* compleation */ | |
c81abe34 | 279 | struct block_device *bdev; /* bdev */ |
ec9895ad | 280 | unsigned short ref; /* reference count */ |
9a744b92 | 281 | unsigned char state; /* state */ |
35ec7d57 | 282 | unsigned char issuing; /* issuing discard */ |
c81abe34 | 283 | int error; /* bio error */ |
35ec7d57 CY |
284 | spinlock_t lock; /* for state/bio_ref updating */ |
285 | unsigned short bio_ref; /* bio reference count */ | |
275b66b0 CY |
286 | }; |
287 | ||
78997b56 CY |
288 | enum { |
289 | DPOLICY_BG, | |
290 | DPOLICY_FORCE, | |
291 | DPOLICY_FSTRIM, | |
292 | DPOLICY_UMOUNT, | |
293 | MAX_DPOLICY, | |
294 | }; | |
295 | ||
ecc9aa00 | 296 | struct discard_policy { |
78997b56 | 297 | int type; /* type of discard */ |
ecc9aa00 | 298 | unsigned int min_interval; /* used for candidates exist */ |
f9d1dced | 299 | unsigned int mid_interval; /* used for device busy */ |
ecc9aa00 CY |
300 | unsigned int max_interval; /* used for candidates not exist */ |
301 | unsigned int max_requests; /* # of discards issued per round */ | |
302 | unsigned int io_aware_gran; /* minimum granularity discard not be aware of I/O */ | |
303 | bool io_aware; /* issue discard in idle time */ | |
304 | bool sync; /* submit discard with REQ_SYNC flag */ | |
20ee4382 | 305 | bool ordered; /* issue discard by lba order */ |
78997b56 | 306 | unsigned int granularity; /* discard granularity */ |
ecc9aa00 CY |
307 | }; |
308 | ||
0b54fb84 | 309 | struct discard_cmd_control { |
15469963 | 310 | struct task_struct *f2fs_issue_discard; /* discard thread */ |
46f84c2c | 311 | struct list_head entry_list; /* 4KB discard entry list */ |
ba48a33e | 312 | struct list_head pend_list[MAX_PLIST_NUM];/* store pending entries */ |
46f84c2c | 313 | struct list_head wait_list; /* store on-flushing entries */ |
8412663d | 314 | struct list_head fstrim_list; /* in-flight discard from fstrim */ |
15469963 | 315 | wait_queue_head_t discard_wait_queue; /* waiting queue for wake-up */ |
969d1b18 | 316 | unsigned int discard_wake; /* to wake up discard thread */ |
15469963 | 317 | struct mutex cmd_lock; |
d618ebaf CY |
318 | unsigned int nr_discards; /* # of discards in the list */ |
319 | unsigned int max_discards; /* max. discards to be issued */ | |
969d1b18 | 320 | unsigned int discard_granularity; /* discard granularity */ |
d84d1cbd | 321 | unsigned int undiscard_blks; /* # of undiscard blocks */ |
20ee4382 | 322 | unsigned int next_pos; /* next discard position */ |
8b8dd65f CY |
323 | atomic_t issued_discard; /* # of issued discard */ |
324 | atomic_t issing_discard; /* # of issing discard */ | |
5f32366a | 325 | atomic_t discard_cmd_cnt; /* # of cached cmd count */ |
004b6862 | 326 | struct rb_root root; /* root of discard rb-tree */ |
67fce70b | 327 | bool rbtree_check; /* config for consistence check */ |
275b66b0 CY |
328 | }; |
329 | ||
39a53e0c JK |
330 | /* for the list of fsync inodes, used only during recovery */ |
331 | struct fsync_inode_entry { | |
332 | struct list_head list; /* list head */ | |
333 | struct inode *inode; /* vfs inode pointer */ | |
c52e1b10 JK |
334 | block_t blkaddr; /* block address locating the last fsync */ |
335 | block_t last_dentry; /* block address locating the last dentry */ | |
39a53e0c JK |
336 | }; |
337 | ||
68afcf2d TK |
338 | #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats)) |
339 | #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits)) | |
39a53e0c | 340 | |
68afcf2d TK |
341 | #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne) |
342 | #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid) | |
343 | #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se) | |
344 | #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno) | |
39a53e0c | 345 | |
dfc08a12 CY |
346 | #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl)) |
347 | #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl)) | |
309cc2b6 | 348 | |
dfc08a12 | 349 | static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i) |
39a53e0c | 350 | { |
dfc08a12 | 351 | int before = nats_in_cursum(journal); |
cac5a3d8 | 352 | |
dfc08a12 | 353 | journal->n_nats = cpu_to_le16(before + i); |
39a53e0c JK |
354 | return before; |
355 | } | |
356 | ||
dfc08a12 | 357 | static inline int update_sits_in_cursum(struct f2fs_journal *journal, int i) |
39a53e0c | 358 | { |
dfc08a12 | 359 | int before = sits_in_cursum(journal); |
cac5a3d8 | 360 | |
dfc08a12 | 361 | journal->n_sits = cpu_to_le16(before + i); |
39a53e0c JK |
362 | return before; |
363 | } | |
364 | ||
dfc08a12 CY |
365 | static inline bool __has_cursum_space(struct f2fs_journal *journal, |
366 | int size, int type) | |
184a5cd2 CY |
367 | { |
368 | if (type == NAT_JOURNAL) | |
dfc08a12 CY |
369 | return size <= MAX_NAT_JENTRIES(journal); |
370 | return size <= MAX_SIT_JENTRIES(journal); | |
184a5cd2 CY |
371 | } |
372 | ||
e9750824 NJ |
373 | /* |
374 | * ioctl commands | |
375 | */ | |
88b88a66 JK |
376 | #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS |
377 | #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS | |
d49f3e89 | 378 | #define F2FS_IOC_GETVERSION FS_IOC_GETVERSION |
88b88a66 JK |
379 | |
380 | #define F2FS_IOCTL_MAGIC 0xf5 | |
381 | #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1) | |
382 | #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2) | |
02a1335f | 383 | #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3) |
1e84371f JK |
384 | #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4) |
385 | #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5) | |
d07efb50 | 386 | #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32) |
456b88e4 | 387 | #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7) |
d07efb50 JK |
388 | #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \ |
389 | struct f2fs_defragment) | |
4dd6f977 JK |
390 | #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \ |
391 | struct f2fs_move_range) | |
e066b83c JK |
392 | #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \ |
393 | struct f2fs_flush_device) | |
34dc77ad JK |
394 | #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \ |
395 | struct f2fs_gc_range) | |
e65ef207 | 396 | #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32) |
1ad71a27 JK |
397 | #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32) |
398 | #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32) | |
c4020b2d | 399 | #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15) |
e9750824 | 400 | |
0b81d077 JK |
401 | #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY |
402 | #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY | |
403 | #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT | |
f424f664 | 404 | |
1abff93d JK |
405 | /* |
406 | * should be same as XFS_IOC_GOINGDOWN. | |
407 | * Flags for going down operation used by FS_IOC_GOINGDOWN | |
408 | */ | |
409 | #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */ | |
410 | #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */ | |
411 | #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */ | |
412 | #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */ | |
c912a829 | 413 | #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */ |
1abff93d | 414 | |
e9750824 NJ |
415 | #if defined(__KERNEL__) && defined(CONFIG_COMPAT) |
416 | /* | |
417 | * ioctl commands in 32 bit emulation | |
418 | */ | |
04ef4b62 CY |
419 | #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS |
420 | #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS | |
421 | #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION | |
e9750824 NJ |
422 | #endif |
423 | ||
2c1d0305 CY |
424 | #define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR |
425 | #define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR | |
426 | ||
34dc77ad JK |
427 | struct f2fs_gc_range { |
428 | u32 sync; | |
429 | u64 start; | |
430 | u64 len; | |
431 | }; | |
432 | ||
d323d005 CY |
433 | struct f2fs_defragment { |
434 | u64 start; | |
435 | u64 len; | |
436 | }; | |
437 | ||
4dd6f977 JK |
438 | struct f2fs_move_range { |
439 | u32 dst_fd; /* destination fd */ | |
440 | u64 pos_in; /* start position in src_fd */ | |
441 | u64 pos_out; /* start position in dst_fd */ | |
442 | u64 len; /* size to move */ | |
443 | }; | |
444 | ||
e066b83c JK |
445 | struct f2fs_flush_device { |
446 | u32 dev_num; /* device number to flush */ | |
447 | u32 segments; /* # of segments to flush */ | |
448 | }; | |
449 | ||
f2470371 CY |
450 | /* for inline stuff */ |
451 | #define DEF_INLINE_RESERVED_SIZE 1 | |
6afc662e | 452 | #define DEF_MIN_INLINE_SIZE 1 |
7a2af766 | 453 | static inline int get_extra_isize(struct inode *inode); |
6afc662e | 454 | static inline int get_inline_xattr_addrs(struct inode *inode); |
6afc662e CY |
455 | #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \ |
456 | (CUR_ADDRS_PER_INODE(inode) - \ | |
b323fd28 | 457 | get_inline_xattr_addrs(inode) - \ |
6afc662e | 458 | DEF_INLINE_RESERVED_SIZE)) |
f2470371 CY |
459 | |
460 | /* for inline dir */ | |
461 | #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \ | |
462 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
463 | BITS_PER_BYTE + 1)) | |
464 | #define INLINE_DENTRY_BITMAP_SIZE(inode) ((NR_INLINE_DENTRY(inode) + \ | |
465 | BITS_PER_BYTE - 1) / BITS_PER_BYTE) | |
466 | #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \ | |
467 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
468 | NR_INLINE_DENTRY(inode) + \ | |
469 | INLINE_DENTRY_BITMAP_SIZE(inode))) | |
470 | ||
39a53e0c JK |
471 | /* |
472 | * For INODE and NODE manager | |
473 | */ | |
7b3cd7d6 JK |
474 | /* for directory operations */ |
475 | struct f2fs_dentry_ptr { | |
d8c6822a | 476 | struct inode *inode; |
76a9dd85 | 477 | void *bitmap; |
7b3cd7d6 JK |
478 | struct f2fs_dir_entry *dentry; |
479 | __u8 (*filename)[F2FS_SLOT_LEN]; | |
480 | int max; | |
76a9dd85 | 481 | int nr_bitmap; |
7b3cd7d6 JK |
482 | }; |
483 | ||
64c24ecb TK |
484 | static inline void make_dentry_ptr_block(struct inode *inode, |
485 | struct f2fs_dentry_ptr *d, struct f2fs_dentry_block *t) | |
7b3cd7d6 | 486 | { |
d8c6822a | 487 | d->inode = inode; |
64c24ecb | 488 | d->max = NR_DENTRY_IN_BLOCK; |
76a9dd85 | 489 | d->nr_bitmap = SIZE_OF_DENTRY_BITMAP; |
c79d1520 | 490 | d->bitmap = t->dentry_bitmap; |
64c24ecb TK |
491 | d->dentry = t->dentry; |
492 | d->filename = t->filename; | |
493 | } | |
d8c6822a | 494 | |
64c24ecb | 495 | static inline void make_dentry_ptr_inline(struct inode *inode, |
f2470371 | 496 | struct f2fs_dentry_ptr *d, void *t) |
64c24ecb | 497 | { |
f2470371 CY |
498 | int entry_cnt = NR_INLINE_DENTRY(inode); |
499 | int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode); | |
500 | int reserved_size = INLINE_RESERVED_SIZE(inode); | |
501 | ||
64c24ecb | 502 | d->inode = inode; |
f2470371 CY |
503 | d->max = entry_cnt; |
504 | d->nr_bitmap = bitmap_size; | |
505 | d->bitmap = t; | |
506 | d->dentry = t + bitmap_size + reserved_size; | |
507 | d->filename = t + bitmap_size + reserved_size + | |
508 | SIZE_OF_DIR_ENTRY * entry_cnt; | |
7b3cd7d6 JK |
509 | } |
510 | ||
dbe6a5ff JK |
511 | /* |
512 | * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1 | |
513 | * as its node offset to distinguish from index node blocks. | |
514 | * But some bits are used to mark the node block. | |
515 | */ | |
516 | #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \ | |
517 | >> OFFSET_BIT_SHIFT) | |
266e97a8 JK |
518 | enum { |
519 | ALLOC_NODE, /* allocate a new node page if needed */ | |
520 | LOOKUP_NODE, /* look up a node without readahead */ | |
521 | LOOKUP_NODE_RA, /* | |
522 | * look up a node with readahead called | |
4f4124d0 | 523 | * by get_data_block. |
39a53e0c | 524 | */ |
266e97a8 JK |
525 | }; |
526 | ||
7735730d CY |
527 | #define DEFAULT_RETRY_IO_COUNT 8 /* maximum retry read IO count */ |
528 | ||
a6db67f0 | 529 | #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */ |
39a53e0c | 530 | |
817202d9 CY |
531 | #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */ |
532 | ||
39a53e0c | 533 | /* for in-memory extent cache entry */ |
13054c54 CY |
534 | #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */ |
535 | ||
536 | /* number of extent info in extent cache we try to shrink */ | |
537 | #define EXTENT_CACHE_SHRINK_NUMBER 128 | |
c11abd1a | 538 | |
54c2258c CY |
539 | struct rb_entry { |
540 | struct rb_node rb_node; /* rb node located in rb-tree */ | |
541 | unsigned int ofs; /* start offset of the entry */ | |
542 | unsigned int len; /* length of the entry */ | |
543 | }; | |
544 | ||
39a53e0c | 545 | struct extent_info { |
13054c54 | 546 | unsigned int fofs; /* start offset in a file */ |
13054c54 | 547 | unsigned int len; /* length of the extent */ |
54c2258c | 548 | u32 blk; /* start block address of the extent */ |
13054c54 CY |
549 | }; |
550 | ||
551 | struct extent_node { | |
54c2258c CY |
552 | struct rb_node rb_node; |
553 | union { | |
554 | struct { | |
555 | unsigned int fofs; | |
556 | unsigned int len; | |
557 | u32 blk; | |
558 | }; | |
559 | struct extent_info ei; /* extent info */ | |
560 | ||
561 | }; | |
13054c54 | 562 | struct list_head list; /* node in global extent list of sbi */ |
201ef5e0 | 563 | struct extent_tree *et; /* extent tree pointer */ |
13054c54 CY |
564 | }; |
565 | ||
566 | struct extent_tree { | |
567 | nid_t ino; /* inode number */ | |
568 | struct rb_root root; /* root of extent info rb-tree */ | |
62c8af65 | 569 | struct extent_node *cached_en; /* recently accessed extent node */ |
3e72f721 | 570 | struct extent_info largest; /* largested extent info */ |
137d09f0 | 571 | struct list_head list; /* to be used by sbi->zombie_list */ |
13054c54 | 572 | rwlock_t lock; /* protect extent info rb-tree */ |
68e35385 | 573 | atomic_t node_cnt; /* # of extent node in rb-tree*/ |
b430f726 | 574 | bool largest_updated; /* largest extent updated */ |
39a53e0c JK |
575 | }; |
576 | ||
003a3e1d JK |
577 | /* |
578 | * This structure is taken from ext4_map_blocks. | |
579 | * | |
580 | * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks(). | |
581 | */ | |
582 | #define F2FS_MAP_NEW (1 << BH_New) | |
583 | #define F2FS_MAP_MAPPED (1 << BH_Mapped) | |
7f63eb77 JK |
584 | #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten) |
585 | #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\ | |
586 | F2FS_MAP_UNWRITTEN) | |
003a3e1d JK |
587 | |
588 | struct f2fs_map_blocks { | |
589 | block_t m_pblk; | |
590 | block_t m_lblk; | |
591 | unsigned int m_len; | |
592 | unsigned int m_flags; | |
da85985c | 593 | pgoff_t *m_next_pgofs; /* point next possible non-hole pgofs */ |
c4020b2d | 594 | pgoff_t *m_next_extent; /* point to next possible extent */ |
d5097be5 | 595 | int m_seg_type; |
003a3e1d JK |
596 | }; |
597 | ||
e2b4e2bc | 598 | /* for flag in get_data_block */ |
f2220c7f QS |
599 | enum { |
600 | F2FS_GET_BLOCK_DEFAULT, | |
601 | F2FS_GET_BLOCK_FIEMAP, | |
602 | F2FS_GET_BLOCK_BMAP, | |
0a4daae5 | 603 | F2FS_GET_BLOCK_DIO, |
f2220c7f QS |
604 | F2FS_GET_BLOCK_PRE_DIO, |
605 | F2FS_GET_BLOCK_PRE_AIO, | |
c4020b2d | 606 | F2FS_GET_BLOCK_PRECACHE, |
f2220c7f | 607 | }; |
e2b4e2bc | 608 | |
39a53e0c JK |
609 | /* |
610 | * i_advise uses FADVISE_XXX_BIT. We can add additional hints later. | |
611 | */ | |
612 | #define FADVISE_COLD_BIT 0x01 | |
354a3399 | 613 | #define FADVISE_LOST_PINO_BIT 0x02 |
cde4de12 | 614 | #define FADVISE_ENCRYPT_BIT 0x04 |
e7d55452 | 615 | #define FADVISE_ENC_NAME_BIT 0x08 |
26787236 | 616 | #define FADVISE_KEEP_SIZE_BIT 0x10 |
b6a06cbb | 617 | #define FADVISE_HOT_BIT 0x20 |
53fedcc0 | 618 | #define FADVISE_VERITY_BIT 0x40 /* reserved */ |
39a53e0c | 619 | |
797c1cb5 CY |
620 | #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT) |
621 | ||
b5492af7 JK |
622 | #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT) |
623 | #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT) | |
624 | #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT) | |
625 | #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT) | |
626 | #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT) | |
627 | #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT) | |
cde4de12 JK |
628 | #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT) |
629 | #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT) | |
630 | #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT) | |
e7d55452 JK |
631 | #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT) |
632 | #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT) | |
26787236 JK |
633 | #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT) |
634 | #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT) | |
b6a06cbb CY |
635 | #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT) |
636 | #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT) | |
637 | #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT) | |
cde4de12 | 638 | |
ab9fa662 JK |
639 | #define DEF_DIR_LEVEL 0 |
640 | ||
2ef79ecb CY |
641 | enum { |
642 | GC_FAILURE_PIN, | |
643 | GC_FAILURE_ATOMIC, | |
644 | MAX_GC_FAILURE | |
645 | }; | |
646 | ||
39a53e0c JK |
647 | struct f2fs_inode_info { |
648 | struct inode vfs_inode; /* serve a vfs inode */ | |
649 | unsigned long i_flags; /* keep an inode flags for ioctl */ | |
650 | unsigned char i_advise; /* use to give file attribute hints */ | |
38431545 | 651 | unsigned char i_dir_level; /* use for dentry level for large dir */ |
2ef79ecb CY |
652 | unsigned int i_current_depth; /* only for directory depth */ |
653 | /* for gc failure statistic */ | |
654 | unsigned int i_gc_failures[MAX_GC_FAILURE]; | |
6666e6aa | 655 | unsigned int i_pino; /* parent inode number */ |
39a53e0c JK |
656 | umode_t i_acl_mode; /* keep file acl mode temporarily */ |
657 | ||
658 | /* Use below internally in f2fs*/ | |
659 | unsigned long flags; /* use to pass per-file flags */ | |
d928bfbf | 660 | struct rw_semaphore i_sem; /* protect fi info */ |
204706c7 | 661 | atomic_t dirty_pages; /* # of dirty pages */ |
39a53e0c JK |
662 | f2fs_hash_t chash; /* hash value of given file name */ |
663 | unsigned int clevel; /* maximum level of given file name */ | |
88c5c13a | 664 | struct task_struct *task; /* lookup and create consistency */ |
b0af6d49 | 665 | struct task_struct *cp_task; /* separate cp/wb IO stats*/ |
39a53e0c | 666 | nid_t i_xattr_nid; /* node id that contains xattrs */ |
26de9b11 | 667 | loff_t last_disk_size; /* lastly written file size */ |
88b88a66 | 668 | |
0abd675e CY |
669 | #ifdef CONFIG_QUOTA |
670 | struct dquot *i_dquot[MAXQUOTAS]; | |
671 | ||
672 | /* quota space reservation, managed internally by quota code */ | |
673 | qsize_t i_reserved_quota; | |
674 | #endif | |
0f18b462 JK |
675 | struct list_head dirty_list; /* dirty list for dirs and files */ |
676 | struct list_head gdirty_list; /* linked in global dirty list */ | |
57864ae5 | 677 | struct list_head inmem_ilist; /* list for inmem inodes */ |
88b88a66 | 678 | struct list_head inmem_pages; /* inmemory pages managed by f2fs */ |
7a10f017 | 679 | struct task_struct *inmem_task; /* store inmemory task */ |
88b88a66 | 680 | struct mutex inmem_lock; /* lock for inmemory pages */ |
3e72f721 | 681 | struct extent_tree *extent_tree; /* cached extent_tree entry */ |
b2532c69 CY |
682 | |
683 | /* avoid racing between foreground op and gc */ | |
684 | struct rw_semaphore i_gc_rwsem[2]; | |
5a3a2d83 | 685 | struct rw_semaphore i_mmap_sem; |
27161f13 | 686 | struct rw_semaphore i_xattr_sem; /* avoid racing between reading and changing EAs */ |
f2470371 | 687 | |
7a2af766 | 688 | int i_extra_isize; /* size of extra space located in i_addr */ |
5c57132e | 689 | kprojid_t i_projid; /* id for project quota */ |
6afc662e | 690 | int i_inline_xattr_size; /* inline xattr size */ |
24b81dfc AB |
691 | struct timespec64 i_crtime; /* inode creation time */ |
692 | struct timespec64 i_disk_time[4];/* inode disk times */ | |
39a53e0c JK |
693 | }; |
694 | ||
695 | static inline void get_extent_info(struct extent_info *ext, | |
bd933d4f | 696 | struct f2fs_extent *i_ext) |
39a53e0c | 697 | { |
bd933d4f CY |
698 | ext->fofs = le32_to_cpu(i_ext->fofs); |
699 | ext->blk = le32_to_cpu(i_ext->blk); | |
700 | ext->len = le32_to_cpu(i_ext->len); | |
39a53e0c JK |
701 | } |
702 | ||
703 | static inline void set_raw_extent(struct extent_info *ext, | |
704 | struct f2fs_extent *i_ext) | |
705 | { | |
39a53e0c | 706 | i_ext->fofs = cpu_to_le32(ext->fofs); |
4d0b0bd4 | 707 | i_ext->blk = cpu_to_le32(ext->blk); |
39a53e0c | 708 | i_ext->len = cpu_to_le32(ext->len); |
39a53e0c JK |
709 | } |
710 | ||
429511cd CY |
711 | static inline void set_extent_info(struct extent_info *ei, unsigned int fofs, |
712 | u32 blk, unsigned int len) | |
713 | { | |
714 | ei->fofs = fofs; | |
715 | ei->blk = blk; | |
716 | ei->len = len; | |
717 | } | |
718 | ||
004b6862 | 719 | static inline bool __is_discard_mergeable(struct discard_info *back, |
35ec7d57 | 720 | struct discard_info *front, unsigned int max_len) |
004b6862 | 721 | { |
9a997188 | 722 | return (back->lstart + back->len == front->lstart) && |
35ec7d57 | 723 | (back->len + front->len <= max_len); |
004b6862 CY |
724 | } |
725 | ||
726 | static inline bool __is_discard_back_mergeable(struct discard_info *cur, | |
35ec7d57 | 727 | struct discard_info *back, unsigned int max_len) |
004b6862 | 728 | { |
35ec7d57 | 729 | return __is_discard_mergeable(back, cur, max_len); |
004b6862 CY |
730 | } |
731 | ||
732 | static inline bool __is_discard_front_mergeable(struct discard_info *cur, | |
35ec7d57 | 733 | struct discard_info *front, unsigned int max_len) |
004b6862 | 734 | { |
35ec7d57 | 735 | return __is_discard_mergeable(cur, front, max_len); |
004b6862 CY |
736 | } |
737 | ||
429511cd CY |
738 | static inline bool __is_extent_mergeable(struct extent_info *back, |
739 | struct extent_info *front) | |
740 | { | |
741 | return (back->fofs + back->len == front->fofs && | |
742 | back->blk + back->len == front->blk); | |
743 | } | |
744 | ||
745 | static inline bool __is_back_mergeable(struct extent_info *cur, | |
746 | struct extent_info *back) | |
747 | { | |
748 | return __is_extent_mergeable(back, cur); | |
749 | } | |
750 | ||
751 | static inline bool __is_front_mergeable(struct extent_info *cur, | |
752 | struct extent_info *front) | |
753 | { | |
754 | return __is_extent_mergeable(cur, front); | |
755 | } | |
756 | ||
cac5a3d8 | 757 | extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync); |
b430f726 ZZ |
758 | static inline void __try_update_largest_extent(struct extent_tree *et, |
759 | struct extent_node *en) | |
4abd3f5a | 760 | { |
205b9822 | 761 | if (en->ei.len > et->largest.len) { |
4abd3f5a | 762 | et->largest = en->ei; |
b430f726 | 763 | et->largest_updated = true; |
205b9822 | 764 | } |
4abd3f5a CY |
765 | } |
766 | ||
9a4ffdf5 CY |
767 | /* |
768 | * For free nid management | |
769 | */ | |
770 | enum nid_state { | |
771 | FREE_NID, /* newly added to free nid list */ | |
772 | PREALLOC_NID, /* it is preallocated */ | |
773 | MAX_NID_STATE, | |
b8559dc2 CY |
774 | }; |
775 | ||
39a53e0c JK |
776 | struct f2fs_nm_info { |
777 | block_t nat_blkaddr; /* base disk address of NAT */ | |
778 | nid_t max_nid; /* maximum possible node ids */ | |
04d47e67 | 779 | nid_t available_nids; /* # of available node ids */ |
39a53e0c | 780 | nid_t next_scan_nid; /* the next nid to be scanned */ |
cdfc41c1 | 781 | unsigned int ram_thresh; /* control the memory footprint */ |
ea1a29a0 | 782 | unsigned int ra_nid_pages; /* # of nid pages to be readaheaded */ |
2304cb0c | 783 | unsigned int dirty_nats_ratio; /* control dirty nats ratio threshold */ |
39a53e0c JK |
784 | |
785 | /* NAT cache management */ | |
786 | struct radix_tree_root nat_root;/* root of the nat entry cache */ | |
309cc2b6 | 787 | struct radix_tree_root nat_set_root;/* root of the nat set cache */ |
b873b798 | 788 | struct rw_semaphore nat_tree_lock; /* protect nat_tree_lock */ |
39a53e0c | 789 | struct list_head nat_entries; /* cached nat entry list (clean) */ |
22969158 | 790 | spinlock_t nat_list_lock; /* protect clean nat entry list */ |
309cc2b6 | 791 | unsigned int nat_cnt; /* the # of cached nat entries */ |
aec71382 | 792 | unsigned int dirty_nat_cnt; /* total num of nat entries in set */ |
22ad0b6a | 793 | unsigned int nat_blocks; /* # of nat blocks */ |
39a53e0c JK |
794 | |
795 | /* free node ids management */ | |
8a7ed66a | 796 | struct radix_tree_root free_nid_root;/* root of the free_nid cache */ |
9a4ffdf5 CY |
797 | struct list_head free_nid_list; /* list for free nids excluding preallocated nids */ |
798 | unsigned int nid_cnt[MAX_NID_STATE]; /* the number of free node id */ | |
b8559dc2 | 799 | spinlock_t nid_list_lock; /* protect nid lists ops */ |
39a53e0c | 800 | struct mutex build_lock; /* lock for build free nids */ |
bb1105e4 | 801 | unsigned char **free_nid_bitmap; |
4ac91242 | 802 | unsigned char *nat_block_bitmap; |
586d1492 | 803 | unsigned short *free_nid_count; /* free nid count of NAT block */ |
39a53e0c JK |
804 | |
805 | /* for checkpoint */ | |
806 | char *nat_bitmap; /* NAT bitmap pointer */ | |
22ad0b6a JK |
807 | |
808 | unsigned int nat_bits_blocks; /* # of nat bits blocks */ | |
809 | unsigned char *nat_bits; /* NAT bits blocks */ | |
810 | unsigned char *full_nat_bits; /* full NAT pages */ | |
811 | unsigned char *empty_nat_bits; /* empty NAT pages */ | |
599a09b2 CY |
812 | #ifdef CONFIG_F2FS_CHECK_FS |
813 | char *nat_bitmap_mir; /* NAT bitmap mirror */ | |
814 | #endif | |
39a53e0c JK |
815 | int bitmap_size; /* bitmap size */ |
816 | }; | |
817 | ||
818 | /* | |
819 | * this structure is used as one of function parameters. | |
820 | * all the information are dedicated to a given direct node block determined | |
821 | * by the data offset in a file. | |
822 | */ | |
823 | struct dnode_of_data { | |
824 | struct inode *inode; /* vfs inode pointer */ | |
825 | struct page *inode_page; /* its inode page, NULL is possible */ | |
826 | struct page *node_page; /* cached direct node page */ | |
827 | nid_t nid; /* node id of the direct node block */ | |
828 | unsigned int ofs_in_node; /* data offset in the node page */ | |
829 | bool inode_page_locked; /* inode page is locked or not */ | |
93bae099 | 830 | bool node_changed; /* is node block changed */ |
3cf45747 CY |
831 | char cur_level; /* level of hole node page */ |
832 | char max_level; /* level of current page located */ | |
39a53e0c JK |
833 | block_t data_blkaddr; /* block address of the node block */ |
834 | }; | |
835 | ||
836 | static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode, | |
837 | struct page *ipage, struct page *npage, nid_t nid) | |
838 | { | |
d66d1f76 | 839 | memset(dn, 0, sizeof(*dn)); |
39a53e0c JK |
840 | dn->inode = inode; |
841 | dn->inode_page = ipage; | |
842 | dn->node_page = npage; | |
843 | dn->nid = nid; | |
39a53e0c JK |
844 | } |
845 | ||
846 | /* | |
847 | * For SIT manager | |
848 | * | |
849 | * By default, there are 6 active log areas across the whole main area. | |
850 | * When considering hot and cold data separation to reduce cleaning overhead, | |
851 | * we split 3 for data logs and 3 for node logs as hot, warm, and cold types, | |
852 | * respectively. | |
853 | * In the current design, you should not change the numbers intentionally. | |
854 | * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6 | |
855 | * logs individually according to the underlying devices. (default: 6) | |
856 | * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for | |
857 | * data and 8 for node logs. | |
858 | */ | |
859 | #define NR_CURSEG_DATA_TYPE (3) | |
860 | #define NR_CURSEG_NODE_TYPE (3) | |
861 | #define NR_CURSEG_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE) | |
862 | ||
863 | enum { | |
864 | CURSEG_HOT_DATA = 0, /* directory entry blocks */ | |
865 | CURSEG_WARM_DATA, /* data blocks */ | |
866 | CURSEG_COLD_DATA, /* multimedia or GCed data blocks */ | |
867 | CURSEG_HOT_NODE, /* direct node blocks of directory files */ | |
868 | CURSEG_WARM_NODE, /* direct node blocks of normal files */ | |
869 | CURSEG_COLD_NODE, /* indirect node blocks */ | |
38aa0889 | 870 | NO_CHECK_TYPE, |
39a53e0c JK |
871 | }; |
872 | ||
6b4afdd7 | 873 | struct flush_cmd { |
6b4afdd7 | 874 | struct completion wait; |
721bd4d5 | 875 | struct llist_node llnode; |
39d787be | 876 | nid_t ino; |
6b4afdd7 JK |
877 | int ret; |
878 | }; | |
879 | ||
a688b9d9 GZ |
880 | struct flush_cmd_control { |
881 | struct task_struct *f2fs_issue_flush; /* flush thread */ | |
882 | wait_queue_head_t flush_wait_queue; /* waiting queue for wake-up */ | |
8b8dd65f CY |
883 | atomic_t issued_flush; /* # of issued flushes */ |
884 | atomic_t issing_flush; /* # of issing flushes */ | |
721bd4d5 GZ |
885 | struct llist_head issue_list; /* list for command issue */ |
886 | struct llist_node *dispatch_list; /* list for command dispatch */ | |
a688b9d9 GZ |
887 | }; |
888 | ||
39a53e0c JK |
889 | struct f2fs_sm_info { |
890 | struct sit_info *sit_info; /* whole segment information */ | |
891 | struct free_segmap_info *free_info; /* free segment information */ | |
892 | struct dirty_seglist_info *dirty_info; /* dirty segment information */ | |
893 | struct curseg_info *curseg_array; /* active segment information */ | |
894 | ||
2b60311d CY |
895 | struct rw_semaphore curseg_lock; /* for preventing curseg change */ |
896 | ||
39a53e0c JK |
897 | block_t seg0_blkaddr; /* block address of 0'th segment */ |
898 | block_t main_blkaddr; /* start block address of main area */ | |
899 | block_t ssa_blkaddr; /* start block address of SSA area */ | |
900 | ||
901 | unsigned int segment_count; /* total # of segments */ | |
902 | unsigned int main_segments; /* # of segments in main area */ | |
903 | unsigned int reserved_segments; /* # of reserved segments */ | |
904 | unsigned int ovp_segments; /* # of overprovision segments */ | |
81eb8d6e JK |
905 | |
906 | /* a threshold to reclaim prefree segments */ | |
907 | unsigned int rec_prefree_segments; | |
7fd9e544 | 908 | |
bba681cb JK |
909 | /* for batched trimming */ |
910 | unsigned int trim_sections; /* # of sections to trim */ | |
911 | ||
184a5cd2 CY |
912 | struct list_head sit_entry_set; /* sit entry set list */ |
913 | ||
216fbd64 JK |
914 | unsigned int ipu_policy; /* in-place-update policy */ |
915 | unsigned int min_ipu_util; /* in-place-update threshold */ | |
c1ce1b02 | 916 | unsigned int min_fsync_blocks; /* threshold for fsync */ |
853137ce | 917 | unsigned int min_seq_blocks; /* threshold for sequential blocks */ |
ef095d19 | 918 | unsigned int min_hot_blocks; /* threshold for hot block allocation */ |
a2a12b67 | 919 | unsigned int min_ssr_sections; /* threshold to trigger SSR allocation */ |
6b4afdd7 JK |
920 | |
921 | /* for flush command control */ | |
b01a9201 | 922 | struct flush_cmd_control *fcc_info; |
a688b9d9 | 923 | |
0b54fb84 JK |
924 | /* for discard command control */ |
925 | struct discard_cmd_control *dcc_info; | |
39a53e0c JK |
926 | }; |
927 | ||
39a53e0c JK |
928 | /* |
929 | * For superblock | |
930 | */ | |
931 | /* | |
932 | * COUNT_TYPE for monitoring | |
933 | * | |
934 | * f2fs monitors the number of several block types such as on-writeback, | |
935 | * dirty dentry blocks, dirty node blocks, and dirty meta blocks. | |
936 | */ | |
36951b38 | 937 | #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA) |
39a53e0c | 938 | enum count_type { |
39a53e0c | 939 | F2FS_DIRTY_DENTS, |
c227f912 | 940 | F2FS_DIRTY_DATA, |
2c8a4a28 | 941 | F2FS_DIRTY_QDATA, |
39a53e0c JK |
942 | F2FS_DIRTY_NODES, |
943 | F2FS_DIRTY_META, | |
8dcf2ff7 | 944 | F2FS_INMEM_PAGES, |
0f18b462 | 945 | F2FS_DIRTY_IMETA, |
36951b38 CY |
946 | F2FS_WB_CP_DATA, |
947 | F2FS_WB_DATA, | |
39a53e0c JK |
948 | NR_COUNT_TYPE, |
949 | }; | |
950 | ||
39a53e0c | 951 | /* |
e1c42045 | 952 | * The below are the page types of bios used in submit_bio(). |
39a53e0c JK |
953 | * The available types are: |
954 | * DATA User data pages. It operates as async mode. | |
955 | * NODE Node pages. It operates as async mode. | |
956 | * META FS metadata pages such as SIT, NAT, CP. | |
957 | * NR_PAGE_TYPE The number of page types. | |
958 | * META_FLUSH Make sure the previous pages are written | |
959 | * with waiting the bio's completion | |
960 | * ... Only can be used with META. | |
961 | */ | |
7d5e5109 | 962 | #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type)) |
39a53e0c JK |
963 | enum page_type { |
964 | DATA, | |
965 | NODE, | |
966 | META, | |
967 | NR_PAGE_TYPE, | |
968 | META_FLUSH, | |
8ce67cb0 JK |
969 | INMEM, /* the below types are used by tracepoints only. */ |
970 | INMEM_DROP, | |
8c242db9 | 971 | INMEM_INVALIDATE, |
28bc106b | 972 | INMEM_REVOKE, |
8ce67cb0 JK |
973 | IPU, |
974 | OPU, | |
39a53e0c JK |
975 | }; |
976 | ||
a912b54d JK |
977 | enum temp_type { |
978 | HOT = 0, /* must be zero for meta bio */ | |
979 | WARM, | |
980 | COLD, | |
981 | NR_TEMP_TYPE, | |
982 | }; | |
983 | ||
cc15620b JK |
984 | enum need_lock_type { |
985 | LOCK_REQ = 0, | |
986 | LOCK_DONE, | |
987 | LOCK_RETRY, | |
988 | }; | |
989 | ||
a5fd5050 CY |
990 | enum cp_reason_type { |
991 | CP_NO_NEEDED, | |
992 | CP_NON_REGULAR, | |
993 | CP_HARDLINK, | |
994 | CP_SB_NEED_CP, | |
995 | CP_WRONG_PINO, | |
996 | CP_NO_SPC_ROLL, | |
997 | CP_NODE_NEED_CP, | |
998 | CP_FASTBOOT_MODE, | |
999 | CP_SPEC_LOG_NUM, | |
0a007b97 | 1000 | CP_RECOVER_DIR, |
a5fd5050 CY |
1001 | }; |
1002 | ||
b0af6d49 CY |
1003 | enum iostat_type { |
1004 | APP_DIRECT_IO, /* app direct IOs */ | |
1005 | APP_BUFFERED_IO, /* app buffered IOs */ | |
1006 | APP_WRITE_IO, /* app write IOs */ | |
1007 | APP_MAPPED_IO, /* app mapped IOs */ | |
1008 | FS_DATA_IO, /* data IOs from kworker/fsync/reclaimer */ | |
1009 | FS_NODE_IO, /* node IOs from kworker/fsync/reclaimer */ | |
1010 | FS_META_IO, /* meta IOs from kworker/reclaimer */ | |
1011 | FS_GC_DATA_IO, /* data IOs from forground gc */ | |
1012 | FS_GC_NODE_IO, /* node IOs from forground gc */ | |
1013 | FS_CP_DATA_IO, /* data IOs from checkpoint */ | |
1014 | FS_CP_NODE_IO, /* node IOs from checkpoint */ | |
1015 | FS_CP_META_IO, /* meta IOs from checkpoint */ | |
1016 | FS_DISCARD, /* discard */ | |
1017 | NR_IO_TYPE, | |
1018 | }; | |
1019 | ||
458e6197 | 1020 | struct f2fs_io_info { |
05ca3632 | 1021 | struct f2fs_sb_info *sbi; /* f2fs_sb_info pointer */ |
39d787be | 1022 | nid_t ino; /* inode number */ |
7e8f2308 | 1023 | enum page_type type; /* contains DATA/NODE/META/META_FLUSH */ |
a912b54d | 1024 | enum temp_type temp; /* contains HOT/WARM/COLD */ |
04d328de | 1025 | int op; /* contains REQ_OP_ */ |
ef295ecf | 1026 | int op_flags; /* req_flag_bits */ |
7a9d7548 | 1027 | block_t new_blkaddr; /* new block address to be written */ |
28bc106b | 1028 | block_t old_blkaddr; /* old block address before Cow */ |
05ca3632 | 1029 | struct page *page; /* page to be written */ |
4375a336 | 1030 | struct page *encrypted_page; /* encrypted page */ |
fb830fc5 | 1031 | struct list_head list; /* serialize IOs */ |
d68f735b | 1032 | bool submitted; /* indicate IO submission */ |
cc15620b | 1033 | int need_lock; /* indicate we need to lock cp_rwsem */ |
fb830fc5 | 1034 | bool in_list; /* indicate fio is in io_list */ |
0833721e | 1035 | bool is_meta; /* indicate borrow meta inode mapping or not */ |
fe16efe6 | 1036 | bool retry; /* need to reallocate block address */ |
b0af6d49 | 1037 | enum iostat_type io_type; /* io type */ |
578c6478 | 1038 | struct writeback_control *io_wbc; /* writeback control */ |
7735730d | 1039 | unsigned char version; /* version of the node */ |
458e6197 JK |
1040 | }; |
1041 | ||
68afcf2d | 1042 | #define is_read_io(rw) ((rw) == READ) |
1ff7bd3b | 1043 | struct f2fs_bio_info { |
458e6197 | 1044 | struct f2fs_sb_info *sbi; /* f2fs superblock */ |
1ff7bd3b JK |
1045 | struct bio *bio; /* bios to merge */ |
1046 | sector_t last_block_in_bio; /* last block number */ | |
458e6197 | 1047 | struct f2fs_io_info fio; /* store buffered io info. */ |
df0f8dc0 | 1048 | struct rw_semaphore io_rwsem; /* blocking op for bio */ |
fb830fc5 CY |
1049 | spinlock_t io_lock; /* serialize DATA/NODE IOs */ |
1050 | struct list_head io_list; /* track fios */ | |
1ff7bd3b JK |
1051 | }; |
1052 | ||
3c62be17 JK |
1053 | #define FDEV(i) (sbi->devs[i]) |
1054 | #define RDEV(i) (raw_super->devs[i]) | |
1055 | struct f2fs_dev_info { | |
1056 | struct block_device *bdev; | |
1057 | char path[MAX_PATH_LEN]; | |
1058 | unsigned int total_segments; | |
1059 | block_t start_blk; | |
1060 | block_t end_blk; | |
1061 | #ifdef CONFIG_BLK_DEV_ZONED | |
1062 | unsigned int nr_blkz; /* Total number of zones */ | |
1063 | u8 *blkz_type; /* Array of zones type */ | |
1064 | #endif | |
1065 | }; | |
1066 | ||
c227f912 CY |
1067 | enum inode_type { |
1068 | DIR_INODE, /* for dirty dir inode */ | |
1069 | FILE_INODE, /* for dirty regular/symlink inode */ | |
0f18b462 | 1070 | DIRTY_META, /* for all dirtied inode metadata */ |
57864ae5 | 1071 | ATOMIC_FILE, /* for all atomic files */ |
c227f912 CY |
1072 | NR_INODE_TYPE, |
1073 | }; | |
1074 | ||
67298804 CY |
1075 | /* for inner inode cache management */ |
1076 | struct inode_management { | |
1077 | struct radix_tree_root ino_root; /* ino entry array */ | |
1078 | spinlock_t ino_lock; /* for ino entry lock */ | |
1079 | struct list_head ino_list; /* inode list head */ | |
1080 | unsigned long ino_num; /* number of entries */ | |
1081 | }; | |
1082 | ||
caf0047e CY |
1083 | /* For s_flag in struct f2fs_sb_info */ |
1084 | enum { | |
1085 | SBI_IS_DIRTY, /* dirty flag for checkpoint */ | |
1086 | SBI_IS_CLOSE, /* specify unmounting */ | |
1087 | SBI_NEED_FSCK, /* need fsck.f2fs to fix */ | |
1088 | SBI_POR_DOING, /* recovery is doing or not */ | |
df728b0f | 1089 | SBI_NEED_SB_WRITE, /* need to recover superblock */ |
bbf156f7 | 1090 | SBI_NEED_CP, /* need to checkpoint */ |
83a3bfdb | 1091 | SBI_IS_SHUTDOWN, /* shutdown by ioctl */ |
1378752b | 1092 | SBI_IS_RECOVERED, /* recovered orphan/data */ |
caf0047e CY |
1093 | }; |
1094 | ||
6beceb54 JK |
1095 | enum { |
1096 | CP_TIME, | |
d0239e1b | 1097 | REQ_TIME, |
a7d10cf3 ST |
1098 | DISCARD_TIME, |
1099 | GC_TIME, | |
6beceb54 JK |
1100 | MAX_TIME, |
1101 | }; | |
1102 | ||
5b0e9539 JK |
1103 | enum { |
1104 | GC_NORMAL, | |
1105 | GC_IDLE_CB, | |
1106 | GC_IDLE_GREEDY, | |
1107 | GC_URGENT, | |
1108 | }; | |
1109 | ||
0cdd3195 HL |
1110 | enum { |
1111 | WHINT_MODE_OFF, /* not pass down write hints */ | |
1112 | WHINT_MODE_USER, /* try to pass down hints given by users */ | |
f2e703f9 | 1113 | WHINT_MODE_FS, /* pass down hints with F2FS policy */ |
0cdd3195 HL |
1114 | }; |
1115 | ||
07939627 JK |
1116 | enum { |
1117 | ALLOC_MODE_DEFAULT, /* stay default */ | |
1118 | ALLOC_MODE_REUSE, /* reuse segments as much as possible */ | |
1119 | }; | |
1120 | ||
93cf93f1 JZ |
1121 | enum fsync_mode { |
1122 | FSYNC_MODE_POSIX, /* fsync follows posix semantics */ | |
1123 | FSYNC_MODE_STRICT, /* fsync behaves in line with ext4 */ | |
d6290814 | 1124 | FSYNC_MODE_NOBARRIER, /* fsync behaves nobarrier based on posix */ |
93cf93f1 JZ |
1125 | }; |
1126 | ||
ff62af20 SY |
1127 | #ifdef CONFIG_F2FS_FS_ENCRYPTION |
1128 | #define DUMMY_ENCRYPTION_ENABLED(sbi) \ | |
1129 | (unlikely(F2FS_OPTION(sbi).test_dummy_encryption)) | |
1130 | #else | |
1131 | #define DUMMY_ENCRYPTION_ENABLED(sbi) (0) | |
1132 | #endif | |
1133 | ||
39a53e0c JK |
1134 | struct f2fs_sb_info { |
1135 | struct super_block *sb; /* pointer to VFS super block */ | |
5e176d54 | 1136 | struct proc_dir_entry *s_proc; /* proc entry */ |
39a53e0c | 1137 | struct f2fs_super_block *raw_super; /* raw super block pointer */ |
846ae671 | 1138 | struct rw_semaphore sb_lock; /* lock for raw super block */ |
e8240f65 | 1139 | int valid_super_block; /* valid super block no */ |
fadb2fb8 | 1140 | unsigned long s_flag; /* flags for sbi */ |
853137ce | 1141 | struct mutex writepages; /* mutex for writepages() */ |
39a53e0c | 1142 | |
178053e2 | 1143 | #ifdef CONFIG_BLK_DEV_ZONED |
178053e2 DLM |
1144 | unsigned int blocks_per_blkz; /* F2FS blocks per zone */ |
1145 | unsigned int log_blocks_per_blkz; /* log2 F2FS blocks per zone */ | |
178053e2 DLM |
1146 | #endif |
1147 | ||
39a53e0c JK |
1148 | /* for node-related operations */ |
1149 | struct f2fs_nm_info *nm_info; /* node manager */ | |
1150 | struct inode *node_inode; /* cache node blocks */ | |
1151 | ||
1152 | /* for segment-related operations */ | |
1153 | struct f2fs_sm_info *sm_info; /* segment manager */ | |
1ff7bd3b JK |
1154 | |
1155 | /* for bio operations */ | |
a912b54d | 1156 | struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */ |
e41e6d75 CY |
1157 | struct mutex wio_mutex[NR_PAGE_TYPE - 1][NR_TEMP_TYPE]; |
1158 | /* bio ordering for NODE/DATA */ | |
107a805d CY |
1159 | /* keep migration IO order for LFS mode */ |
1160 | struct rw_semaphore io_order_lock; | |
0a595eba | 1161 | mempool_t *write_io_dummy; /* Dummy pages */ |
39a53e0c JK |
1162 | |
1163 | /* for checkpoint */ | |
1164 | struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */ | |
8508e44a | 1165 | int cur_cp_pack; /* remain current cp pack */ |
aaec2b1d | 1166 | spinlock_t cp_lock; /* for flag in ckpt */ |
39a53e0c | 1167 | struct inode *meta_inode; /* cache meta blocks */ |
39936837 | 1168 | struct mutex cp_mutex; /* checkpoint procedure lock */ |
b873b798 | 1169 | struct rw_semaphore cp_rwsem; /* blocking FS operations */ |
b3582c68 | 1170 | struct rw_semaphore node_write; /* locking node writes */ |
59c9081b | 1171 | struct rw_semaphore node_change; /* locking node change */ |
fb51b5ef | 1172 | wait_queue_head_t cp_wait; |
6beceb54 JK |
1173 | unsigned long last_time[MAX_TIME]; /* to store time in jiffies */ |
1174 | long interval_time[MAX_TIME]; /* to store thresholds */ | |
39a53e0c | 1175 | |
67298804 | 1176 | struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */ |
6451e041 | 1177 | |
50fa53ec CY |
1178 | spinlock_t fsync_node_lock; /* for node entry lock */ |
1179 | struct list_head fsync_node_list; /* node list head */ | |
1180 | unsigned int fsync_seg_id; /* sequence id */ | |
1181 | unsigned int fsync_node_num; /* number of node entries */ | |
1182 | ||
6451e041 | 1183 | /* for orphan inode, use 0'th array */ |
0d47c1ad | 1184 | unsigned int max_orphans; /* max orphan inodes */ |
39a53e0c | 1185 | |
c227f912 CY |
1186 | /* for inode management */ |
1187 | struct list_head inode_list[NR_INODE_TYPE]; /* dirty inode list */ | |
1188 | spinlock_t inode_lock[NR_INODE_TYPE]; /* for dirty inode list lock */ | |
39a53e0c | 1189 | |
13054c54 CY |
1190 | /* for extent tree cache */ |
1191 | struct radix_tree_root extent_tree_root;/* cache extent cache entries */ | |
5e8256ac | 1192 | struct mutex extent_tree_lock; /* locking extent radix tree */ |
13054c54 CY |
1193 | struct list_head extent_list; /* lru list for shrinker */ |
1194 | spinlock_t extent_lock; /* locking extent lru list */ | |
7441ccef | 1195 | atomic_t total_ext_tree; /* extent tree count */ |
137d09f0 | 1196 | struct list_head zombie_list; /* extent zombie tree list */ |
74fd8d99 | 1197 | atomic_t total_zombie_tree; /* extent zombie tree count */ |
13054c54 CY |
1198 | atomic_t total_ext_node; /* extent info count */ |
1199 | ||
e1c42045 | 1200 | /* basic filesystem units */ |
39a53e0c JK |
1201 | unsigned int log_sectors_per_block; /* log2 sectors per block */ |
1202 | unsigned int log_blocksize; /* log2 block size */ | |
1203 | unsigned int blocksize; /* block size */ | |
1204 | unsigned int root_ino_num; /* root inode number*/ | |
1205 | unsigned int node_ino_num; /* node inode number*/ | |
1206 | unsigned int meta_ino_num; /* meta inode number*/ | |
1207 | unsigned int log_blocks_per_seg; /* log2 blocks per segment */ | |
1208 | unsigned int blocks_per_seg; /* blocks per segment */ | |
1209 | unsigned int segs_per_sec; /* segments per section */ | |
1210 | unsigned int secs_per_zone; /* sections per zone */ | |
1211 | unsigned int total_sections; /* total section count */ | |
1212 | unsigned int total_node_count; /* total node block count */ | |
1213 | unsigned int total_valid_node_count; /* valid node block count */ | |
e0afc4d6 | 1214 | loff_t max_file_blocks; /* max block index of file */ |
ab9fa662 | 1215 | int dir_level; /* directory level */ |
a2a12b67 | 1216 | unsigned int trigger_ssr_threshold; /* threshold to trigger ssr */ |
f6df8f23 | 1217 | int readdir_ra; /* readahead inode in readdir */ |
39a53e0c JK |
1218 | |
1219 | block_t user_block_count; /* # of user blocks */ | |
1220 | block_t total_valid_block_count; /* # of valid blocks */ | |
a66cdd98 | 1221 | block_t discard_blks; /* discard command candidats */ |
39a53e0c | 1222 | block_t last_valid_block_count; /* for recovery */ |
daeb433e | 1223 | block_t reserved_blocks; /* configurable reserved blocks */ |
80d42145 | 1224 | block_t current_reserved_blocks; /* current reserved blocks */ |
daeb433e | 1225 | |
292c196a CY |
1226 | unsigned int nquota_files; /* # of quota sysfile */ |
1227 | ||
39a53e0c | 1228 | u32 s_next_generation; /* for NFS support */ |
523be8a6 JK |
1229 | |
1230 | /* # of pages, see count_type */ | |
35782b23 | 1231 | atomic_t nr_pages[NR_COUNT_TYPE]; |
41382ec4 JK |
1232 | /* # of allocated blocks */ |
1233 | struct percpu_counter alloc_valid_block_count; | |
39a53e0c | 1234 | |
687de7f1 | 1235 | /* writeback control */ |
c29fd0c0 | 1236 | atomic_t wb_sync_req[META]; /* count # of WB_SYNC threads */ |
687de7f1 | 1237 | |
513c5f37 JK |
1238 | /* valid inode count */ |
1239 | struct percpu_counter total_valid_inode_count; | |
1240 | ||
39a53e0c JK |
1241 | struct f2fs_mount_info mount_opt; /* mount options */ |
1242 | ||
1243 | /* for cleaning operations */ | |
1244 | struct mutex gc_mutex; /* mutex for GC */ | |
1245 | struct f2fs_gc_kthread *gc_thread; /* GC thread */ | |
5ec4e49f | 1246 | unsigned int cur_victim_sec; /* current victim section num */ |
5b0e9539 | 1247 | unsigned int gc_mode; /* current GC state */ |
2ef79ecb CY |
1248 | /* for skip statistic */ |
1249 | unsigned long long skipped_atomic_files[2]; /* FG_GC and BG_GC */ | |
6f8d4455 | 1250 | unsigned long long skipped_gc_rwsem; /* FG_GC only */ |
39a53e0c | 1251 | |
1ad71a27 JK |
1252 | /* threshold for gc trials on pinned files */ |
1253 | u64 gc_pin_file_threshold; | |
1254 | ||
b1c57c1c JK |
1255 | /* maximum # of trials to find a victim segment for SSR and GC */ |
1256 | unsigned int max_victim_search; | |
1257 | ||
39a53e0c JK |
1258 | /* |
1259 | * for stat information. | |
1260 | * one is for the LFS mode, and the other is for the SSR mode. | |
1261 | */ | |
35b09d82 | 1262 | #ifdef CONFIG_F2FS_STAT_FS |
39a53e0c | 1263 | struct f2fs_stat_info *stat_info; /* FS status information */ |
b63e7be5 | 1264 | atomic_t meta_count[META_MAX]; /* # of meta blocks */ |
39a53e0c JK |
1265 | unsigned int segment_count[2]; /* # of allocated segments */ |
1266 | unsigned int block_count[2]; /* # of allocated blocks */ | |
b9a2c252 | 1267 | atomic_t inplace_count; /* # of inplace update */ |
5b7ee374 CY |
1268 | atomic64_t total_hit_ext; /* # of lookup extent cache */ |
1269 | atomic64_t read_hit_rbtree; /* # of hit rbtree extent node */ | |
1270 | atomic64_t read_hit_largest; /* # of hit largest extent node */ | |
1271 | atomic64_t read_hit_cached; /* # of hit cached extent node */ | |
d5e8f6c9 | 1272 | atomic_t inline_xattr; /* # of inline_xattr inodes */ |
03e14d52 CY |
1273 | atomic_t inline_inode; /* # of inline_data inodes */ |
1274 | atomic_t inline_dir; /* # of inline_dentry inodes */ | |
26a28a0c | 1275 | atomic_t aw_cnt; /* # of atomic writes */ |
648d50ba | 1276 | atomic_t vw_cnt; /* # of volatile writes */ |
26a28a0c | 1277 | atomic_t max_aw_cnt; /* max # of atomic writes */ |
648d50ba | 1278 | atomic_t max_vw_cnt; /* max # of volatile writes */ |
39a53e0c | 1279 | int bg_gc; /* background gc calls */ |
274bd9ba CY |
1280 | unsigned int io_skip_bggc; /* skip background gc for in-flight IO */ |
1281 | unsigned int other_skip_bggc; /* skip background gc for other reasons */ | |
33fbd510 | 1282 | unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */ |
35b09d82 | 1283 | #endif |
39a53e0c | 1284 | spinlock_t stat_lock; /* lock for stat operations */ |
b59d0bae | 1285 | |
b0af6d49 CY |
1286 | /* For app/fs IO statistics */ |
1287 | spinlock_t iostat_lock; | |
1288 | unsigned long long write_iostat[NR_IO_TYPE]; | |
1289 | bool iostat_enable; | |
1290 | ||
b59d0bae NJ |
1291 | /* For sysfs suppport */ |
1292 | struct kobject s_kobj; | |
1293 | struct completion s_kobj_unregister; | |
2658e50d JK |
1294 | |
1295 | /* For shrinker support */ | |
1296 | struct list_head s_list; | |
3c62be17 JK |
1297 | int s_ndevs; /* number of devices */ |
1298 | struct f2fs_dev_info *devs; /* for device list */ | |
1228b482 CY |
1299 | unsigned int dirty_device; /* for checkpoint data flush */ |
1300 | spinlock_t dev_lock; /* protect dirty_device */ | |
2658e50d JK |
1301 | struct mutex umount_mutex; |
1302 | unsigned int shrinker_run_no; | |
8f1dbbbb SL |
1303 | |
1304 | /* For write statistics */ | |
1305 | u64 sectors_written_start; | |
1306 | u64 kbytes_written; | |
43b6573b KM |
1307 | |
1308 | /* Reference to checksum algorithm driver via cryptoapi */ | |
1309 | struct crypto_shash *s_chksum_driver; | |
1ecc0c5c | 1310 | |
704956ec CY |
1311 | /* Precomputed FS UUID checksum for seeding other checksums */ |
1312 | __u32 s_chksum_seed; | |
39a53e0c JK |
1313 | }; |
1314 | ||
1ecc0c5c | 1315 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
22d7ea13 CY |
1316 | #define f2fs_show_injection_info(type) \ |
1317 | printk_ratelimited("%sF2FS-fs : inject %s in %s of %pF\n", \ | |
1318 | KERN_INFO, f2fs_fault_name[type], \ | |
55523519 | 1319 | __func__, __builtin_return_address(0)) |
1ecc0c5c CY |
1320 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) |
1321 | { | |
63189b78 | 1322 | struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info; |
1ecc0c5c CY |
1323 | |
1324 | if (!ffi->inject_rate) | |
1325 | return false; | |
1326 | ||
1327 | if (!IS_FAULT_SET(ffi, type)) | |
1328 | return false; | |
1329 | ||
1330 | atomic_inc(&ffi->inject_ops); | |
1331 | if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) { | |
1332 | atomic_set(&ffi->inject_ops, 0); | |
1ecc0c5c CY |
1333 | return true; |
1334 | } | |
1335 | return false; | |
1336 | } | |
7fa750a1 AB |
1337 | #else |
1338 | #define f2fs_show_injection_info(type) do { } while (0) | |
1339 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) | |
1340 | { | |
1341 | return false; | |
1342 | } | |
1ecc0c5c CY |
1343 | #endif |
1344 | ||
8f1dbbbb SL |
1345 | /* For write statistics. Suppose sector size is 512 bytes, |
1346 | * and the return value is in kbytes. s is of struct f2fs_sb_info. | |
1347 | */ | |
1348 | #define BD_PART_WRITTEN(s) \ | |
dbae2c55 | 1349 | (((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[STAT_WRITE]) - \ |
68afcf2d | 1350 | (s)->sectors_written_start) >> 1) |
8f1dbbbb | 1351 | |
6beceb54 JK |
1352 | static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type) |
1353 | { | |
a7d10cf3 ST |
1354 | unsigned long now = jiffies; |
1355 | ||
1356 | sbi->last_time[type] = now; | |
1357 | ||
1358 | /* DISCARD_TIME and GC_TIME are based on REQ_TIME */ | |
1359 | if (type == REQ_TIME) { | |
1360 | sbi->last_time[DISCARD_TIME] = now; | |
1361 | sbi->last_time[GC_TIME] = now; | |
1362 | } | |
6beceb54 JK |
1363 | } |
1364 | ||
1365 | static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type) | |
1366 | { | |
6bccfa19 | 1367 | unsigned long interval = sbi->interval_time[type] * HZ; |
6beceb54 JK |
1368 | |
1369 | return time_after(jiffies, sbi->last_time[type] + interval); | |
1370 | } | |
1371 | ||
a7d10cf3 ST |
1372 | static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info *sbi, |
1373 | int type) | |
1374 | { | |
1375 | unsigned long interval = sbi->interval_time[type] * HZ; | |
1376 | unsigned int wait_ms = 0; | |
1377 | long delta; | |
1378 | ||
1379 | delta = (sbi->last_time[type] + interval) - jiffies; | |
1380 | if (delta > 0) | |
1381 | wait_ms = jiffies_to_msecs(delta); | |
1382 | ||
1383 | return wait_ms; | |
1384 | } | |
1385 | ||
1386 | static inline bool is_idle(struct f2fs_sb_info *sbi, int type) | |
d0239e1b JK |
1387 | { |
1388 | struct block_device *bdev = sbi->sb->s_bdev; | |
1389 | struct request_queue *q = bdev_get_queue(bdev); | |
1390 | struct request_list *rl = &q->root_rl; | |
1391 | ||
1392 | if (rl->count[BLK_RW_SYNC] || rl->count[BLK_RW_ASYNC]) | |
6e45f2a5 | 1393 | return false; |
d0239e1b | 1394 | |
a7d10cf3 | 1395 | return f2fs_time_over(sbi, type); |
d0239e1b JK |
1396 | } |
1397 | ||
39a53e0c JK |
1398 | /* |
1399 | * Inline functions | |
1400 | */ | |
416d2dbb | 1401 | static inline u32 __f2fs_crc32(struct f2fs_sb_info *sbi, u32 crc, |
704956ec CY |
1402 | const void *address, unsigned int length) |
1403 | { | |
1404 | struct { | |
1405 | struct shash_desc shash; | |
1406 | char ctx[4]; | |
1407 | } desc; | |
1408 | int err; | |
1409 | ||
1410 | BUG_ON(crypto_shash_descsize(sbi->s_chksum_driver) != sizeof(desc.ctx)); | |
1411 | ||
1412 | desc.shash.tfm = sbi->s_chksum_driver; | |
1413 | desc.shash.flags = 0; | |
1414 | *(u32 *)desc.ctx = crc; | |
1415 | ||
1416 | err = crypto_shash_update(&desc.shash, address, length); | |
1417 | BUG_ON(err); | |
1418 | ||
1419 | return *(u32 *)desc.ctx; | |
1420 | } | |
1421 | ||
416d2dbb CY |
1422 | static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address, |
1423 | unsigned int length) | |
1424 | { | |
1425 | return __f2fs_crc32(sbi, F2FS_SUPER_MAGIC, address, length); | |
1426 | } | |
1427 | ||
1428 | static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc, | |
1429 | void *buf, size_t buf_size) | |
1430 | { | |
1431 | return f2fs_crc32(sbi, buf, buf_size) == blk_crc; | |
1432 | } | |
1433 | ||
1434 | static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc, | |
1435 | const void *address, unsigned int length) | |
1436 | { | |
1437 | return __f2fs_crc32(sbi, crc, address, length); | |
1438 | } | |
1439 | ||
39a53e0c JK |
1440 | static inline struct f2fs_inode_info *F2FS_I(struct inode *inode) |
1441 | { | |
1442 | return container_of(inode, struct f2fs_inode_info, vfs_inode); | |
1443 | } | |
1444 | ||
1445 | static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb) | |
1446 | { | |
1447 | return sb->s_fs_info; | |
1448 | } | |
1449 | ||
4081363f JK |
1450 | static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode) |
1451 | { | |
1452 | return F2FS_SB(inode->i_sb); | |
1453 | } | |
1454 | ||
1455 | static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping) | |
1456 | { | |
1457 | return F2FS_I_SB(mapping->host); | |
1458 | } | |
1459 | ||
1460 | static inline struct f2fs_sb_info *F2FS_P_SB(struct page *page) | |
1461 | { | |
1462 | return F2FS_M_SB(page->mapping); | |
1463 | } | |
1464 | ||
39a53e0c JK |
1465 | static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi) |
1466 | { | |
1467 | return (struct f2fs_super_block *)(sbi->raw_super); | |
1468 | } | |
1469 | ||
1470 | static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi) | |
1471 | { | |
1472 | return (struct f2fs_checkpoint *)(sbi->ckpt); | |
1473 | } | |
1474 | ||
45590710 GZ |
1475 | static inline struct f2fs_node *F2FS_NODE(struct page *page) |
1476 | { | |
1477 | return (struct f2fs_node *)page_address(page); | |
1478 | } | |
1479 | ||
58bfaf44 JK |
1480 | static inline struct f2fs_inode *F2FS_INODE(struct page *page) |
1481 | { | |
1482 | return &((struct f2fs_node *)page_address(page))->i; | |
1483 | } | |
1484 | ||
39a53e0c JK |
1485 | static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi) |
1486 | { | |
1487 | return (struct f2fs_nm_info *)(sbi->nm_info); | |
1488 | } | |
1489 | ||
1490 | static inline struct f2fs_sm_info *SM_I(struct f2fs_sb_info *sbi) | |
1491 | { | |
1492 | return (struct f2fs_sm_info *)(sbi->sm_info); | |
1493 | } | |
1494 | ||
1495 | static inline struct sit_info *SIT_I(struct f2fs_sb_info *sbi) | |
1496 | { | |
1497 | return (struct sit_info *)(SM_I(sbi)->sit_info); | |
1498 | } | |
1499 | ||
1500 | static inline struct free_segmap_info *FREE_I(struct f2fs_sb_info *sbi) | |
1501 | { | |
1502 | return (struct free_segmap_info *)(SM_I(sbi)->free_info); | |
1503 | } | |
1504 | ||
1505 | static inline struct dirty_seglist_info *DIRTY_I(struct f2fs_sb_info *sbi) | |
1506 | { | |
1507 | return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info); | |
1508 | } | |
1509 | ||
9df27d98 GZ |
1510 | static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi) |
1511 | { | |
1512 | return sbi->meta_inode->i_mapping; | |
1513 | } | |
1514 | ||
4ef51a8f JK |
1515 | static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi) |
1516 | { | |
1517 | return sbi->node_inode->i_mapping; | |
1518 | } | |
1519 | ||
caf0047e CY |
1520 | static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type) |
1521 | { | |
fadb2fb8 | 1522 | return test_bit(type, &sbi->s_flag); |
caf0047e CY |
1523 | } |
1524 | ||
1525 | static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) | |
39a53e0c | 1526 | { |
fadb2fb8 | 1527 | set_bit(type, &sbi->s_flag); |
39a53e0c JK |
1528 | } |
1529 | ||
caf0047e | 1530 | static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) |
39a53e0c | 1531 | { |
fadb2fb8 | 1532 | clear_bit(type, &sbi->s_flag); |
39a53e0c JK |
1533 | } |
1534 | ||
d71b5564 JK |
1535 | static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp) |
1536 | { | |
1537 | return le64_to_cpu(cp->checkpoint_ver); | |
1538 | } | |
1539 | ||
ea676733 JK |
1540 | static inline unsigned long f2fs_qf_ino(struct super_block *sb, int type) |
1541 | { | |
1542 | if (type < F2FS_MAX_QUOTAS) | |
1543 | return le32_to_cpu(F2FS_SB(sb)->raw_super->qf_ino[type]); | |
1544 | return 0; | |
1545 | } | |
1546 | ||
ced2c7ea KM |
1547 | static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp) |
1548 | { | |
1549 | size_t crc_offset = le32_to_cpu(cp->checksum_offset); | |
1550 | return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset))); | |
1551 | } | |
1552 | ||
aaec2b1d | 1553 | static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) |
25ca923b JK |
1554 | { |
1555 | unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
aaec2b1d | 1556 | |
25ca923b JK |
1557 | return ckpt_flags & f; |
1558 | } | |
1559 | ||
aaec2b1d | 1560 | static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 1561 | { |
aaec2b1d CY |
1562 | return __is_set_ckpt_flags(F2FS_CKPT(sbi), f); |
1563 | } | |
1564 | ||
1565 | static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
1566 | { | |
1567 | unsigned int ckpt_flags; | |
1568 | ||
1569 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
1570 | ckpt_flags |= f; |
1571 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
1572 | } | |
1573 | ||
aaec2b1d | 1574 | static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 1575 | { |
d1aa2453 CY |
1576 | unsigned long flags; |
1577 | ||
1578 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
aaec2b1d | 1579 | __set_ckpt_flags(F2FS_CKPT(sbi), f); |
d1aa2453 | 1580 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
aaec2b1d CY |
1581 | } |
1582 | ||
1583 | static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
1584 | { | |
1585 | unsigned int ckpt_flags; | |
1586 | ||
1587 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
1588 | ckpt_flags &= (~f); |
1589 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
1590 | } | |
1591 | ||
aaec2b1d CY |
1592 | static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
1593 | { | |
d1aa2453 CY |
1594 | unsigned long flags; |
1595 | ||
1596 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
aaec2b1d | 1597 | __clear_ckpt_flags(F2FS_CKPT(sbi), f); |
d1aa2453 | 1598 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
aaec2b1d CY |
1599 | } |
1600 | ||
22ad0b6a JK |
1601 | static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock) |
1602 | { | |
d1aa2453 CY |
1603 | unsigned long flags; |
1604 | ||
22ad0b6a JK |
1605 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
1606 | ||
1607 | if (lock) | |
d1aa2453 | 1608 | spin_lock_irqsave(&sbi->cp_lock, flags); |
22ad0b6a JK |
1609 | __clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG); |
1610 | kfree(NM_I(sbi)->nat_bits); | |
1611 | NM_I(sbi)->nat_bits = NULL; | |
1612 | if (lock) | |
d1aa2453 | 1613 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
22ad0b6a JK |
1614 | } |
1615 | ||
1616 | static inline bool enabled_nat_bits(struct f2fs_sb_info *sbi, | |
1617 | struct cp_control *cpc) | |
1618 | { | |
1619 | bool set = is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG); | |
1620 | ||
c473f1a9 | 1621 | return (cpc) ? (cpc->reason & CP_UMOUNT) && set : set; |
22ad0b6a JK |
1622 | } |
1623 | ||
e479556b | 1624 | static inline void f2fs_lock_op(struct f2fs_sb_info *sbi) |
39936837 | 1625 | { |
b873b798 | 1626 | down_read(&sbi->cp_rwsem); |
39936837 JK |
1627 | } |
1628 | ||
cc15620b JK |
1629 | static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi) |
1630 | { | |
1631 | return down_read_trylock(&sbi->cp_rwsem); | |
1632 | } | |
1633 | ||
e479556b | 1634 | static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi) |
39a53e0c | 1635 | { |
b873b798 | 1636 | up_read(&sbi->cp_rwsem); |
39a53e0c JK |
1637 | } |
1638 | ||
e479556b | 1639 | static inline void f2fs_lock_all(struct f2fs_sb_info *sbi) |
39a53e0c | 1640 | { |
b873b798 | 1641 | down_write(&sbi->cp_rwsem); |
39936837 JK |
1642 | } |
1643 | ||
e479556b | 1644 | static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi) |
39936837 | 1645 | { |
b873b798 | 1646 | up_write(&sbi->cp_rwsem); |
39a53e0c JK |
1647 | } |
1648 | ||
119ee914 JK |
1649 | static inline int __get_cp_reason(struct f2fs_sb_info *sbi) |
1650 | { | |
1651 | int reason = CP_SYNC; | |
1652 | ||
1653 | if (test_opt(sbi, FASTBOOT)) | |
1654 | reason = CP_FASTBOOT; | |
1655 | if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) | |
1656 | reason = CP_UMOUNT; | |
1657 | return reason; | |
1658 | } | |
1659 | ||
1660 | static inline bool __remain_node_summaries(int reason) | |
1661 | { | |
c473f1a9 | 1662 | return (reason & (CP_UMOUNT | CP_FASTBOOT)); |
119ee914 JK |
1663 | } |
1664 | ||
1665 | static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi) | |
1666 | { | |
aaec2b1d CY |
1667 | return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) || |
1668 | is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG)); | |
119ee914 JK |
1669 | } |
1670 | ||
39a53e0c JK |
1671 | /* |
1672 | * Check whether the inode has blocks or not | |
1673 | */ | |
1674 | static inline int F2FS_HAS_BLOCKS(struct inode *inode) | |
1675 | { | |
0eb0adad CY |
1676 | block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0; |
1677 | ||
000519f2 | 1678 | return (inode->i_blocks >> F2FS_LOG_SECTORS_PER_BLOCK) > xattr_block; |
39a53e0c JK |
1679 | } |
1680 | ||
4bc8e9bc CY |
1681 | static inline bool f2fs_has_xattr_block(unsigned int ofs) |
1682 | { | |
1683 | return ofs == XATTR_NODE_OFFSET; | |
1684 | } | |
1685 | ||
d8a9a229 | 1686 | static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi, |
a90a0884 | 1687 | struct inode *inode, bool cap) |
7c2e5963 | 1688 | { |
d8a9a229 JK |
1689 | if (!inode) |
1690 | return true; | |
7c2e5963 JK |
1691 | if (!test_opt(sbi, RESERVE_ROOT)) |
1692 | return false; | |
d8a9a229 JK |
1693 | if (IS_NOQUOTA(inode)) |
1694 | return true; | |
63189b78 | 1695 | if (uid_eq(F2FS_OPTION(sbi).s_resuid, current_fsuid())) |
7c2e5963 | 1696 | return true; |
63189b78 CY |
1697 | if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) && |
1698 | in_group_p(F2FS_OPTION(sbi).s_resgid)) | |
7c2e5963 | 1699 | return true; |
a90a0884 | 1700 | if (cap && capable(CAP_SYS_RESOURCE)) |
162b27ae | 1701 | return true; |
7c2e5963 JK |
1702 | return false; |
1703 | } | |
1704 | ||
0abd675e CY |
1705 | static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool); |
1706 | static inline int inc_valid_block_count(struct f2fs_sb_info *sbi, | |
46008c6d | 1707 | struct inode *inode, blkcnt_t *count) |
39a53e0c | 1708 | { |
0abd675e | 1709 | blkcnt_t diff = 0, release = 0; |
daeb433e | 1710 | block_t avail_user_block_count; |
0abd675e CY |
1711 | int ret; |
1712 | ||
1713 | ret = dquot_reserve_block(inode, *count); | |
1714 | if (ret) | |
1715 | return ret; | |
39a53e0c | 1716 | |
55523519 CY |
1717 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
1718 | f2fs_show_injection_info(FAULT_BLOCK); | |
0abd675e CY |
1719 | release = *count; |
1720 | goto enospc; | |
55523519 | 1721 | } |
7fa750a1 | 1722 | |
dd11a5df JK |
1723 | /* |
1724 | * let's increase this in prior to actual block count change in order | |
1725 | * for f2fs_sync_file to avoid data races when deciding checkpoint. | |
1726 | */ | |
1727 | percpu_counter_add(&sbi->alloc_valid_block_count, (*count)); | |
1728 | ||
2555a2d5 JK |
1729 | spin_lock(&sbi->stat_lock); |
1730 | sbi->total_valid_block_count += (block_t)(*count); | |
80d42145 YS |
1731 | avail_user_block_count = sbi->user_block_count - |
1732 | sbi->current_reserved_blocks; | |
7e65be49 | 1733 | |
a90a0884 | 1734 | if (!__allow_reserved_blocks(sbi, inode, true)) |
63189b78 | 1735 | avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks; |
7e65be49 | 1736 | |
daeb433e CY |
1737 | if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) { |
1738 | diff = sbi->total_valid_block_count - avail_user_block_count; | |
7e65be49 JK |
1739 | if (diff > *count) |
1740 | diff = *count; | |
dd11a5df | 1741 | *count -= diff; |
0abd675e | 1742 | release = diff; |
7e65be49 | 1743 | sbi->total_valid_block_count -= diff; |
46008c6d CY |
1744 | if (!*count) { |
1745 | spin_unlock(&sbi->stat_lock); | |
0abd675e | 1746 | goto enospc; |
46008c6d | 1747 | } |
39a53e0c | 1748 | } |
39a53e0c | 1749 | spin_unlock(&sbi->stat_lock); |
41382ec4 | 1750 | |
36b877af DR |
1751 | if (unlikely(release)) { |
1752 | percpu_counter_sub(&sbi->alloc_valid_block_count, release); | |
0abd675e | 1753 | dquot_release_reservation_block(inode, release); |
36b877af | 1754 | } |
0abd675e CY |
1755 | f2fs_i_blocks_write(inode, *count, true, true); |
1756 | return 0; | |
1757 | ||
1758 | enospc: | |
36b877af | 1759 | percpu_counter_sub(&sbi->alloc_valid_block_count, release); |
0abd675e CY |
1760 | dquot_release_reservation_block(inode, release); |
1761 | return -ENOSPC; | |
39a53e0c JK |
1762 | } |
1763 | ||
da19b0dc | 1764 | static inline void dec_valid_block_count(struct f2fs_sb_info *sbi, |
39a53e0c | 1765 | struct inode *inode, |
0eb0adad | 1766 | block_t count) |
39a53e0c | 1767 | { |
0eb0adad CY |
1768 | blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK; |
1769 | ||
39a53e0c | 1770 | spin_lock(&sbi->stat_lock); |
9850cf4a | 1771 | f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count); |
0eb0adad | 1772 | f2fs_bug_on(sbi, inode->i_blocks < sectors); |
39a53e0c | 1773 | sbi->total_valid_block_count -= (block_t)count; |
80d42145 YS |
1774 | if (sbi->reserved_blocks && |
1775 | sbi->current_reserved_blocks < sbi->reserved_blocks) | |
1776 | sbi->current_reserved_blocks = min(sbi->reserved_blocks, | |
1777 | sbi->current_reserved_blocks + count); | |
39a53e0c | 1778 | spin_unlock(&sbi->stat_lock); |
0abd675e | 1779 | f2fs_i_blocks_write(inode, count, false, true); |
39a53e0c JK |
1780 | } |
1781 | ||
1782 | static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type) | |
1783 | { | |
35782b23 | 1784 | atomic_inc(&sbi->nr_pages[count_type]); |
7c4abcbe | 1785 | |
36951b38 CY |
1786 | if (count_type == F2FS_DIRTY_DATA || count_type == F2FS_INMEM_PAGES || |
1787 | count_type == F2FS_WB_CP_DATA || count_type == F2FS_WB_DATA) | |
7c4abcbe CY |
1788 | return; |
1789 | ||
caf0047e | 1790 | set_sbi_flag(sbi, SBI_IS_DIRTY); |
39a53e0c JK |
1791 | } |
1792 | ||
a7ffdbe2 | 1793 | static inline void inode_inc_dirty_pages(struct inode *inode) |
39a53e0c | 1794 | { |
204706c7 | 1795 | atomic_inc(&F2FS_I(inode)->dirty_pages); |
c227f912 CY |
1796 | inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
1797 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
2c8a4a28 JK |
1798 | if (IS_NOQUOTA(inode)) |
1799 | inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); | |
39a53e0c JK |
1800 | } |
1801 | ||
1802 | static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type) | |
1803 | { | |
35782b23 | 1804 | atomic_dec(&sbi->nr_pages[count_type]); |
39a53e0c JK |
1805 | } |
1806 | ||
a7ffdbe2 | 1807 | static inline void inode_dec_dirty_pages(struct inode *inode) |
39a53e0c | 1808 | { |
5ac9f36f CY |
1809 | if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) && |
1810 | !S_ISLNK(inode->i_mode)) | |
1fe54f9d JK |
1811 | return; |
1812 | ||
204706c7 | 1813 | atomic_dec(&F2FS_I(inode)->dirty_pages); |
c227f912 CY |
1814 | dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
1815 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
2c8a4a28 JK |
1816 | if (IS_NOQUOTA(inode)) |
1817 | dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); | |
39a53e0c JK |
1818 | } |
1819 | ||
523be8a6 | 1820 | static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type) |
39a53e0c | 1821 | { |
35782b23 | 1822 | return atomic_read(&sbi->nr_pages[count_type]); |
39a53e0c JK |
1823 | } |
1824 | ||
204706c7 | 1825 | static inline int get_dirty_pages(struct inode *inode) |
f8b2c1f9 | 1826 | { |
204706c7 | 1827 | return atomic_read(&F2FS_I(inode)->dirty_pages); |
f8b2c1f9 JK |
1828 | } |
1829 | ||
5ac206cf NJ |
1830 | static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type) |
1831 | { | |
3519e3f9 | 1832 | unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg; |
523be8a6 JK |
1833 | unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >> |
1834 | sbi->log_blocks_per_seg; | |
1835 | ||
1836 | return segs / sbi->segs_per_sec; | |
5ac206cf NJ |
1837 | } |
1838 | ||
39a53e0c JK |
1839 | static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi) |
1840 | { | |
8b8343fa | 1841 | return sbi->total_valid_block_count; |
39a53e0c JK |
1842 | } |
1843 | ||
f83a2584 YH |
1844 | static inline block_t discard_blocks(struct f2fs_sb_info *sbi) |
1845 | { | |
1846 | return sbi->discard_blks; | |
1847 | } | |
1848 | ||
39a53e0c JK |
1849 | static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag) |
1850 | { | |
1851 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
1852 | ||
1853 | /* return NAT or SIT bitmap */ | |
1854 | if (flag == NAT_BITMAP) | |
1855 | return le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); | |
1856 | else if (flag == SIT_BITMAP) | |
1857 | return le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); | |
1858 | ||
1859 | return 0; | |
1860 | } | |
1861 | ||
55141486 WL |
1862 | static inline block_t __cp_payload(struct f2fs_sb_info *sbi) |
1863 | { | |
1864 | return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload); | |
1865 | } | |
1866 | ||
39a53e0c JK |
1867 | static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag) |
1868 | { | |
1869 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
1dbe4152 CL |
1870 | int offset; |
1871 | ||
199bc3fe CY |
1872 | if (is_set_ckpt_flags(sbi, CP_LARGE_NAT_BITMAP_FLAG)) { |
1873 | offset = (flag == SIT_BITMAP) ? | |
1874 | le32_to_cpu(ckpt->nat_ver_bitmap_bytesize) : 0; | |
1875 | return &ckpt->sit_nat_version_bitmap + offset; | |
1876 | } | |
1877 | ||
55141486 | 1878 | if (__cp_payload(sbi) > 0) { |
1dbe4152 CL |
1879 | if (flag == NAT_BITMAP) |
1880 | return &ckpt->sit_nat_version_bitmap; | |
1881 | else | |
65b85ccc | 1882 | return (unsigned char *)ckpt + F2FS_BLKSIZE; |
1dbe4152 CL |
1883 | } else { |
1884 | offset = (flag == NAT_BITMAP) ? | |
25ca923b | 1885 | le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0; |
1dbe4152 CL |
1886 | return &ckpt->sit_nat_version_bitmap + offset; |
1887 | } | |
39a53e0c JK |
1888 | } |
1889 | ||
1890 | static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi) | |
1891 | { | |
8508e44a | 1892 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); |
39a53e0c | 1893 | |
8508e44a | 1894 | if (sbi->cur_cp_pack == 2) |
39a53e0c | 1895 | start_addr += sbi->blocks_per_seg; |
8508e44a JK |
1896 | return start_addr; |
1897 | } | |
39a53e0c | 1898 | |
8508e44a JK |
1899 | static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi) |
1900 | { | |
1901 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); | |
39a53e0c | 1902 | |
8508e44a JK |
1903 | if (sbi->cur_cp_pack == 1) |
1904 | start_addr += sbi->blocks_per_seg; | |
39a53e0c JK |
1905 | return start_addr; |
1906 | } | |
1907 | ||
8508e44a JK |
1908 | static inline void __set_cp_next_pack(struct f2fs_sb_info *sbi) |
1909 | { | |
1910 | sbi->cur_cp_pack = (sbi->cur_cp_pack == 1) ? 2 : 1; | |
1911 | } | |
1912 | ||
39a53e0c JK |
1913 | static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi) |
1914 | { | |
1915 | return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum); | |
1916 | } | |
1917 | ||
0abd675e | 1918 | static inline int inc_valid_node_count(struct f2fs_sb_info *sbi, |
000519f2 | 1919 | struct inode *inode, bool is_inode) |
39a53e0c JK |
1920 | { |
1921 | block_t valid_block_count; | |
1922 | unsigned int valid_node_count; | |
0abd675e CY |
1923 | bool quota = inode && !is_inode; |
1924 | ||
1925 | if (quota) { | |
1926 | int ret = dquot_reserve_block(inode, 1); | |
1927 | if (ret) | |
1928 | return ret; | |
1929 | } | |
39a53e0c | 1930 | |
812c6056 CY |
1931 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
1932 | f2fs_show_injection_info(FAULT_BLOCK); | |
1933 | goto enospc; | |
1934 | } | |
812c6056 | 1935 | |
39a53e0c JK |
1936 | spin_lock(&sbi->stat_lock); |
1937 | ||
7e65be49 JK |
1938 | valid_block_count = sbi->total_valid_block_count + |
1939 | sbi->current_reserved_blocks + 1; | |
1940 | ||
a90a0884 | 1941 | if (!__allow_reserved_blocks(sbi, inode, false)) |
63189b78 | 1942 | valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks; |
7e65be49 JK |
1943 | |
1944 | if (unlikely(valid_block_count > sbi->user_block_count)) { | |
39a53e0c | 1945 | spin_unlock(&sbi->stat_lock); |
0abd675e | 1946 | goto enospc; |
39a53e0c JK |
1947 | } |
1948 | ||
ef86d709 | 1949 | valid_node_count = sbi->total_valid_node_count + 1; |
cfb271d4 | 1950 | if (unlikely(valid_node_count > sbi->total_node_count)) { |
39a53e0c | 1951 | spin_unlock(&sbi->stat_lock); |
0abd675e | 1952 | goto enospc; |
39a53e0c JK |
1953 | } |
1954 | ||
ef86d709 GZ |
1955 | sbi->total_valid_node_count++; |
1956 | sbi->total_valid_block_count++; | |
39a53e0c JK |
1957 | spin_unlock(&sbi->stat_lock); |
1958 | ||
000519f2 CY |
1959 | if (inode) { |
1960 | if (is_inode) | |
1961 | f2fs_mark_inode_dirty_sync(inode, true); | |
1962 | else | |
0abd675e | 1963 | f2fs_i_blocks_write(inode, 1, true, true); |
000519f2 | 1964 | } |
ef86d709 | 1965 | |
41382ec4 | 1966 | percpu_counter_inc(&sbi->alloc_valid_block_count); |
0abd675e CY |
1967 | return 0; |
1968 | ||
1969 | enospc: | |
1970 | if (quota) | |
1971 | dquot_release_reservation_block(inode, 1); | |
1972 | return -ENOSPC; | |
39a53e0c JK |
1973 | } |
1974 | ||
1975 | static inline void dec_valid_node_count(struct f2fs_sb_info *sbi, | |
000519f2 | 1976 | struct inode *inode, bool is_inode) |
39a53e0c JK |
1977 | { |
1978 | spin_lock(&sbi->stat_lock); | |
1979 | ||
9850cf4a JK |
1980 | f2fs_bug_on(sbi, !sbi->total_valid_block_count); |
1981 | f2fs_bug_on(sbi, !sbi->total_valid_node_count); | |
000519f2 | 1982 | f2fs_bug_on(sbi, !is_inode && !inode->i_blocks); |
39a53e0c | 1983 | |
ef86d709 GZ |
1984 | sbi->total_valid_node_count--; |
1985 | sbi->total_valid_block_count--; | |
80d42145 YS |
1986 | if (sbi->reserved_blocks && |
1987 | sbi->current_reserved_blocks < sbi->reserved_blocks) | |
1988 | sbi->current_reserved_blocks++; | |
39a53e0c JK |
1989 | |
1990 | spin_unlock(&sbi->stat_lock); | |
0abd675e CY |
1991 | |
1992 | if (!is_inode) | |
1993 | f2fs_i_blocks_write(inode, 1, false, true); | |
39a53e0c JK |
1994 | } |
1995 | ||
1996 | static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi) | |
1997 | { | |
8b8343fa | 1998 | return sbi->total_valid_node_count; |
39a53e0c JK |
1999 | } |
2000 | ||
2001 | static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi) | |
2002 | { | |
513c5f37 | 2003 | percpu_counter_inc(&sbi->total_valid_inode_count); |
39a53e0c JK |
2004 | } |
2005 | ||
0e80220a | 2006 | static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 2007 | { |
513c5f37 | 2008 | percpu_counter_dec(&sbi->total_valid_inode_count); |
39a53e0c JK |
2009 | } |
2010 | ||
513c5f37 | 2011 | static inline s64 valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 2012 | { |
513c5f37 | 2013 | return percpu_counter_sum_positive(&sbi->total_valid_inode_count); |
39a53e0c JK |
2014 | } |
2015 | ||
a56c7c6f JK |
2016 | static inline struct page *f2fs_grab_cache_page(struct address_space *mapping, |
2017 | pgoff_t index, bool for_write) | |
2018 | { | |
82cf4f13 | 2019 | struct page *page; |
cac5a3d8 | 2020 | |
7fa750a1 AB |
2021 | if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION)) { |
2022 | if (!for_write) | |
2023 | page = find_get_page_flags(mapping, index, | |
2024 | FGP_LOCK | FGP_ACCESSED); | |
2025 | else | |
2026 | page = find_lock_page(mapping, index); | |
2027 | if (page) | |
2028 | return page; | |
c41f3cc3 | 2029 | |
7fa750a1 AB |
2030 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) { |
2031 | f2fs_show_injection_info(FAULT_PAGE_ALLOC); | |
2032 | return NULL; | |
2033 | } | |
55523519 | 2034 | } |
7fa750a1 | 2035 | |
a56c7c6f JK |
2036 | if (!for_write) |
2037 | return grab_cache_page(mapping, index); | |
2038 | return grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS); | |
2039 | } | |
2040 | ||
01eccef7 CY |
2041 | static inline struct page *f2fs_pagecache_get_page( |
2042 | struct address_space *mapping, pgoff_t index, | |
2043 | int fgp_flags, gfp_t gfp_mask) | |
2044 | { | |
01eccef7 CY |
2045 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET)) { |
2046 | f2fs_show_injection_info(FAULT_PAGE_GET); | |
2047 | return NULL; | |
2048 | } | |
7fa750a1 | 2049 | |
01eccef7 CY |
2050 | return pagecache_get_page(mapping, index, fgp_flags, gfp_mask); |
2051 | } | |
2052 | ||
6e2c64ad JK |
2053 | static inline void f2fs_copy_page(struct page *src, struct page *dst) |
2054 | { | |
2055 | char *src_kaddr = kmap(src); | |
2056 | char *dst_kaddr = kmap(dst); | |
2057 | ||
2058 | memcpy(dst_kaddr, src_kaddr, PAGE_SIZE); | |
2059 | kunmap(dst); | |
2060 | kunmap(src); | |
2061 | } | |
2062 | ||
39a53e0c JK |
2063 | static inline void f2fs_put_page(struct page *page, int unlock) |
2064 | { | |
031fa8cc | 2065 | if (!page) |
39a53e0c JK |
2066 | return; |
2067 | ||
2068 | if (unlock) { | |
9850cf4a | 2069 | f2fs_bug_on(F2FS_P_SB(page), !PageLocked(page)); |
39a53e0c JK |
2070 | unlock_page(page); |
2071 | } | |
09cbfeaf | 2072 | put_page(page); |
39a53e0c JK |
2073 | } |
2074 | ||
2075 | static inline void f2fs_put_dnode(struct dnode_of_data *dn) | |
2076 | { | |
2077 | if (dn->node_page) | |
2078 | f2fs_put_page(dn->node_page, 1); | |
2079 | if (dn->inode_page && dn->node_page != dn->inode_page) | |
2080 | f2fs_put_page(dn->inode_page, 0); | |
2081 | dn->node_page = NULL; | |
2082 | dn->inode_page = NULL; | |
2083 | } | |
2084 | ||
2085 | static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name, | |
e8512d2e | 2086 | size_t size) |
39a53e0c | 2087 | { |
e8512d2e | 2088 | return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL); |
39a53e0c JK |
2089 | } |
2090 | ||
7bd59381 GZ |
2091 | static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep, |
2092 | gfp_t flags) | |
2093 | { | |
2094 | void *entry; | |
7bd59381 | 2095 | |
80c54505 JK |
2096 | entry = kmem_cache_alloc(cachep, flags); |
2097 | if (!entry) | |
2098 | entry = kmem_cache_alloc(cachep, flags | __GFP_NOFAIL); | |
7bd59381 GZ |
2099 | return entry; |
2100 | } | |
2101 | ||
d62fe971 CY |
2102 | static inline struct bio *f2fs_bio_alloc(struct f2fs_sb_info *sbi, |
2103 | int npages, bool no_fail) | |
740432f8 JK |
2104 | { |
2105 | struct bio *bio; | |
2106 | ||
d62fe971 CY |
2107 | if (no_fail) { |
2108 | /* No failure on bio allocation */ | |
2109 | bio = bio_alloc(GFP_NOIO, npages); | |
2110 | if (!bio) | |
2111 | bio = bio_alloc(GFP_NOIO | __GFP_NOFAIL, npages); | |
2112 | return bio; | |
2113 | } | |
d62fe971 CY |
2114 | if (time_to_inject(sbi, FAULT_ALLOC_BIO)) { |
2115 | f2fs_show_injection_info(FAULT_ALLOC_BIO); | |
2116 | return NULL; | |
2117 | } | |
7fa750a1 | 2118 | |
d62fe971 | 2119 | return bio_alloc(GFP_KERNEL, npages); |
740432f8 JK |
2120 | } |
2121 | ||
9be32d72 JK |
2122 | static inline void f2fs_radix_tree_insert(struct radix_tree_root *root, |
2123 | unsigned long index, void *item) | |
2124 | { | |
2125 | while (radix_tree_insert(root, index, item)) | |
2126 | cond_resched(); | |
2127 | } | |
2128 | ||
39a53e0c JK |
2129 | #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino) |
2130 | ||
2131 | static inline bool IS_INODE(struct page *page) | |
2132 | { | |
45590710 | 2133 | struct f2fs_node *p = F2FS_NODE(page); |
cac5a3d8 | 2134 | |
39a53e0c JK |
2135 | return RAW_IS_INODE(p); |
2136 | } | |
2137 | ||
7a2af766 CY |
2138 | static inline int offset_in_addr(struct f2fs_inode *i) |
2139 | { | |
2140 | return (i->i_inline & F2FS_EXTRA_ATTR) ? | |
2141 | (le16_to_cpu(i->i_extra_isize) / sizeof(__le32)) : 0; | |
2142 | } | |
2143 | ||
39a53e0c JK |
2144 | static inline __le32 *blkaddr_in_node(struct f2fs_node *node) |
2145 | { | |
2146 | return RAW_IS_INODE(node) ? node->i.i_addr : node->dn.addr; | |
2147 | } | |
2148 | ||
7a2af766 CY |
2149 | static inline int f2fs_has_extra_attr(struct inode *inode); |
2150 | static inline block_t datablock_addr(struct inode *inode, | |
2151 | struct page *node_page, unsigned int offset) | |
39a53e0c JK |
2152 | { |
2153 | struct f2fs_node *raw_node; | |
2154 | __le32 *addr_array; | |
7a2af766 CY |
2155 | int base = 0; |
2156 | bool is_inode = IS_INODE(node_page); | |
cac5a3d8 | 2157 | |
45590710 | 2158 | raw_node = F2FS_NODE(node_page); |
7a2af766 CY |
2159 | |
2160 | /* from GC path only */ | |
979f492f L |
2161 | if (is_inode) { |
2162 | if (!inode) | |
7a2af766 | 2163 | base = offset_in_addr(&raw_node->i); |
979f492f L |
2164 | else if (f2fs_has_extra_attr(inode)) |
2165 | base = get_extra_isize(inode); | |
7a2af766 CY |
2166 | } |
2167 | ||
39a53e0c | 2168 | addr_array = blkaddr_in_node(raw_node); |
7a2af766 | 2169 | return le32_to_cpu(addr_array[base + offset]); |
39a53e0c JK |
2170 | } |
2171 | ||
2172 | static inline int f2fs_test_bit(unsigned int nr, char *addr) | |
2173 | { | |
2174 | int mask; | |
2175 | ||
2176 | addr += (nr >> 3); | |
2177 | mask = 1 << (7 - (nr & 0x07)); | |
2178 | return mask & *addr; | |
2179 | } | |
2180 | ||
a66cdd98 JK |
2181 | static inline void f2fs_set_bit(unsigned int nr, char *addr) |
2182 | { | |
2183 | int mask; | |
2184 | ||
2185 | addr += (nr >> 3); | |
2186 | mask = 1 << (7 - (nr & 0x07)); | |
2187 | *addr |= mask; | |
2188 | } | |
2189 | ||
2190 | static inline void f2fs_clear_bit(unsigned int nr, char *addr) | |
2191 | { | |
2192 | int mask; | |
2193 | ||
2194 | addr += (nr >> 3); | |
2195 | mask = 1 << (7 - (nr & 0x07)); | |
2196 | *addr &= ~mask; | |
2197 | } | |
2198 | ||
52aca074 | 2199 | static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr) |
39a53e0c JK |
2200 | { |
2201 | int mask; | |
2202 | int ret; | |
2203 | ||
2204 | addr += (nr >> 3); | |
2205 | mask = 1 << (7 - (nr & 0x07)); | |
2206 | ret = mask & *addr; | |
2207 | *addr |= mask; | |
2208 | return ret; | |
2209 | } | |
2210 | ||
52aca074 | 2211 | static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr) |
39a53e0c JK |
2212 | { |
2213 | int mask; | |
2214 | int ret; | |
2215 | ||
2216 | addr += (nr >> 3); | |
2217 | mask = 1 << (7 - (nr & 0x07)); | |
2218 | ret = mask & *addr; | |
2219 | *addr &= ~mask; | |
2220 | return ret; | |
2221 | } | |
2222 | ||
c6ac4c0e GZ |
2223 | static inline void f2fs_change_bit(unsigned int nr, char *addr) |
2224 | { | |
2225 | int mask; | |
2226 | ||
2227 | addr += (nr >> 3); | |
2228 | mask = 1 << (7 - (nr & 0x07)); | |
2229 | *addr ^= mask; | |
2230 | } | |
2231 | ||
59c84408 CY |
2232 | /* |
2233 | * Inode flags | |
2234 | */ | |
2235 | #define F2FS_SECRM_FL 0x00000001 /* Secure deletion */ | |
2236 | #define F2FS_UNRM_FL 0x00000002 /* Undelete */ | |
2237 | #define F2FS_COMPR_FL 0x00000004 /* Compress file */ | |
2238 | #define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */ | |
2239 | #define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */ | |
2240 | #define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */ | |
2241 | #define F2FS_NODUMP_FL 0x00000040 /* do not dump file */ | |
2242 | #define F2FS_NOATIME_FL 0x00000080 /* do not update atime */ | |
2243 | /* Reserved for compression usage... */ | |
2244 | #define F2FS_DIRTY_FL 0x00000100 | |
2245 | #define F2FS_COMPRBLK_FL 0x00000200 /* One or more compressed clusters */ | |
2246 | #define F2FS_NOCOMPR_FL 0x00000400 /* Don't compress */ | |
2247 | #define F2FS_ENCRYPT_FL 0x00000800 /* encrypted file */ | |
2248 | /* End compression flags --- maybe not all used */ | |
2249 | #define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */ | |
2250 | #define F2FS_IMAGIC_FL 0x00002000 /* AFS directory */ | |
2251 | #define F2FS_JOURNAL_DATA_FL 0x00004000 /* file data should be journaled */ | |
2252 | #define F2FS_NOTAIL_FL 0x00008000 /* file tail should not be merged */ | |
2253 | #define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */ | |
2254 | #define F2FS_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/ | |
2255 | #define F2FS_HUGE_FILE_FL 0x00040000 /* Set to each huge file */ | |
2256 | #define F2FS_EXTENTS_FL 0x00080000 /* Inode uses extents */ | |
2257 | #define F2FS_EA_INODE_FL 0x00200000 /* Inode used for large EA */ | |
2258 | #define F2FS_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */ | |
2259 | #define F2FS_INLINE_DATA_FL 0x10000000 /* Inode has inline data. */ | |
2260 | #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */ | |
2261 | #define F2FS_RESERVED_FL 0x80000000 /* reserved for ext4 lib */ | |
2262 | ||
2263 | #define F2FS_FL_USER_VISIBLE 0x304BDFFF /* User visible flags */ | |
2264 | #define F2FS_FL_USER_MODIFIABLE 0x204BC0FF /* User modifiable flags */ | |
2265 | ||
2266 | /* Flags we can manipulate with through F2FS_IOC_FSSETXATTR */ | |
2267 | #define F2FS_FL_XFLAG_VISIBLE (F2FS_SYNC_FL | \ | |
2268 | F2FS_IMMUTABLE_FL | \ | |
2269 | F2FS_APPEND_FL | \ | |
2270 | F2FS_NODUMP_FL | \ | |
2271 | F2FS_NOATIME_FL | \ | |
2272 | F2FS_PROJINHERIT_FL) | |
2273 | ||
2274 | /* Flags that should be inherited by new inodes from their parent. */ | |
2275 | #define F2FS_FL_INHERITED (F2FS_SECRM_FL | F2FS_UNRM_FL | F2FS_COMPR_FL |\ | |
2276 | F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL |\ | |
2277 | F2FS_NOCOMPR_FL | F2FS_JOURNAL_DATA_FL |\ | |
2278 | F2FS_NOTAIL_FL | F2FS_DIRSYNC_FL |\ | |
2279 | F2FS_PROJINHERIT_FL) | |
2280 | ||
2281 | /* Flags that are appropriate for regular files (all but dir-specific ones). */ | |
2282 | #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_TOPDIR_FL)) | |
2283 | ||
2284 | /* Flags that are appropriate for non-directories/regular files. */ | |
2285 | #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL) | |
5c57132e CY |
2286 | |
2287 | static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags) | |
2288 | { | |
2289 | if (S_ISDIR(mode)) | |
2290 | return flags; | |
2291 | else if (S_ISREG(mode)) | |
2292 | return flags & F2FS_REG_FLMASK; | |
2293 | else | |
2294 | return flags & F2FS_OTHER_FLMASK; | |
2295 | } | |
2296 | ||
39a53e0c JK |
2297 | /* used for f2fs_inode_info->flags */ |
2298 | enum { | |
2299 | FI_NEW_INODE, /* indicate newly allocated inode */ | |
b3783873 | 2300 | FI_DIRTY_INODE, /* indicate inode is dirty or not */ |
26de9b11 | 2301 | FI_AUTO_RECOVER, /* indicate inode is recoverable */ |
ed57c27f | 2302 | FI_DIRTY_DIR, /* indicate directory has dirty pages */ |
39a53e0c JK |
2303 | FI_INC_LINK, /* need to increment i_nlink */ |
2304 | FI_ACL_MODE, /* indicate acl mode */ | |
2305 | FI_NO_ALLOC, /* should not allocate any blocks */ | |
c9b63bd0 | 2306 | FI_FREE_NID, /* free allocated nide */ |
c11abd1a | 2307 | FI_NO_EXTENT, /* not to use the extent cache */ |
444c580f | 2308 | FI_INLINE_XATTR, /* used for inline xattr */ |
1001b347 | 2309 | FI_INLINE_DATA, /* used for inline data*/ |
34d67deb | 2310 | FI_INLINE_DENTRY, /* used for inline dentry */ |
fff04f90 JK |
2311 | FI_APPEND_WRITE, /* inode has appended data */ |
2312 | FI_UPDATE_WRITE, /* inode has in-place-update data */ | |
88b88a66 JK |
2313 | FI_NEED_IPU, /* used for ipu per file */ |
2314 | FI_ATOMIC_FILE, /* indicate atomic file */ | |
5fe45743 | 2315 | FI_ATOMIC_COMMIT, /* indicate the state of atomical committing */ |
02a1335f | 2316 | FI_VOLATILE_FILE, /* indicate volatile file */ |
3c6c2beb | 2317 | FI_FIRST_BLOCK_WRITTEN, /* indicate #0 data block was written */ |
1e84371f | 2318 | FI_DROP_CACHE, /* drop dirty page cache */ |
b3d208f9 | 2319 | FI_DATA_EXIST, /* indicate data exists */ |
510022a8 | 2320 | FI_INLINE_DOTS, /* indicate inline dot dentries */ |
d323d005 | 2321 | FI_DO_DEFRAG, /* indicate defragment is running */ |
c227f912 | 2322 | FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */ |
dc91de78 | 2323 | FI_NO_PREALLOC, /* indicate skipped preallocated blocks */ |
ef095d19 | 2324 | FI_HOT_DATA, /* indicate file is hot */ |
7a2af766 | 2325 | FI_EXTRA_ATTR, /* indicate file has extra attribute */ |
5c57132e | 2326 | FI_PROJ_INHERIT, /* indicate file inherits projectid */ |
1ad71a27 | 2327 | FI_PIN_FILE, /* indicate file should not be gced */ |
2ef79ecb | 2328 | FI_ATOMIC_REVOKE_REQUEST, /* request to drop atomic data */ |
39a53e0c JK |
2329 | }; |
2330 | ||
205b9822 JK |
2331 | static inline void __mark_inode_dirty_flag(struct inode *inode, |
2332 | int flag, bool set) | |
2333 | { | |
2334 | switch (flag) { | |
2335 | case FI_INLINE_XATTR: | |
2336 | case FI_INLINE_DATA: | |
2337 | case FI_INLINE_DENTRY: | |
9ac1e2d8 | 2338 | case FI_NEW_INODE: |
205b9822 JK |
2339 | if (set) |
2340 | return; | |
2341 | case FI_DATA_EXIST: | |
2342 | case FI_INLINE_DOTS: | |
1ad71a27 | 2343 | case FI_PIN_FILE: |
7c45729a | 2344 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2345 | } |
2346 | } | |
2347 | ||
91942321 | 2348 | static inline void set_inode_flag(struct inode *inode, int flag) |
39a53e0c | 2349 | { |
91942321 JK |
2350 | if (!test_bit(flag, &F2FS_I(inode)->flags)) |
2351 | set_bit(flag, &F2FS_I(inode)->flags); | |
205b9822 | 2352 | __mark_inode_dirty_flag(inode, flag, true); |
39a53e0c JK |
2353 | } |
2354 | ||
91942321 | 2355 | static inline int is_inode_flag_set(struct inode *inode, int flag) |
39a53e0c | 2356 | { |
91942321 | 2357 | return test_bit(flag, &F2FS_I(inode)->flags); |
39a53e0c JK |
2358 | } |
2359 | ||
91942321 | 2360 | static inline void clear_inode_flag(struct inode *inode, int flag) |
39a53e0c | 2361 | { |
91942321 JK |
2362 | if (test_bit(flag, &F2FS_I(inode)->flags)) |
2363 | clear_bit(flag, &F2FS_I(inode)->flags); | |
205b9822 | 2364 | __mark_inode_dirty_flag(inode, flag, false); |
39a53e0c JK |
2365 | } |
2366 | ||
91942321 | 2367 | static inline void set_acl_inode(struct inode *inode, umode_t mode) |
39a53e0c | 2368 | { |
91942321 JK |
2369 | F2FS_I(inode)->i_acl_mode = mode; |
2370 | set_inode_flag(inode, FI_ACL_MODE); | |
7c45729a | 2371 | f2fs_mark_inode_dirty_sync(inode, false); |
39a53e0c JK |
2372 | } |
2373 | ||
a1961246 | 2374 | static inline void f2fs_i_links_write(struct inode *inode, bool inc) |
39a53e0c | 2375 | { |
a1961246 JK |
2376 | if (inc) |
2377 | inc_nlink(inode); | |
2378 | else | |
2379 | drop_nlink(inode); | |
7c45729a | 2380 | f2fs_mark_inode_dirty_sync(inode, true); |
a1961246 JK |
2381 | } |
2382 | ||
8edd03c8 | 2383 | static inline void f2fs_i_blocks_write(struct inode *inode, |
0abd675e | 2384 | block_t diff, bool add, bool claim) |
8edd03c8 | 2385 | { |
26de9b11 JK |
2386 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
2387 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
2388 | ||
0abd675e CY |
2389 | /* add = 1, claim = 1 should be dquot_reserve_block in pair */ |
2390 | if (add) { | |
2391 | if (claim) | |
2392 | dquot_claim_block(inode, diff); | |
2393 | else | |
2394 | dquot_alloc_block_nofail(inode, diff); | |
2395 | } else { | |
2396 | dquot_free_block(inode, diff); | |
2397 | } | |
2398 | ||
7c45729a | 2399 | f2fs_mark_inode_dirty_sync(inode, true); |
26de9b11 JK |
2400 | if (clean || recover) |
2401 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
8edd03c8 JK |
2402 | } |
2403 | ||
fc9581c8 JK |
2404 | static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size) |
2405 | { | |
26de9b11 JK |
2406 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
2407 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
2408 | ||
fc9581c8 JK |
2409 | if (i_size_read(inode) == i_size) |
2410 | return; | |
2411 | ||
2412 | i_size_write(inode, i_size); | |
7c45729a | 2413 | f2fs_mark_inode_dirty_sync(inode, true); |
26de9b11 JK |
2414 | if (clean || recover) |
2415 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
39a53e0c JK |
2416 | } |
2417 | ||
205b9822 | 2418 | static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth) |
39a53e0c | 2419 | { |
205b9822 | 2420 | F2FS_I(inode)->i_current_depth = depth; |
7c45729a | 2421 | f2fs_mark_inode_dirty_sync(inode, true); |
39a53e0c JK |
2422 | } |
2423 | ||
1ad71a27 JK |
2424 | static inline void f2fs_i_gc_failures_write(struct inode *inode, |
2425 | unsigned int count) | |
2426 | { | |
2ef79ecb | 2427 | F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN] = count; |
1ad71a27 JK |
2428 | f2fs_mark_inode_dirty_sync(inode, true); |
2429 | } | |
2430 | ||
205b9822 | 2431 | static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid) |
444c580f | 2432 | { |
205b9822 | 2433 | F2FS_I(inode)->i_xattr_nid = xnid; |
7c45729a | 2434 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2435 | } |
2436 | ||
2437 | static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino) | |
2438 | { | |
2439 | F2FS_I(inode)->i_pino = pino; | |
7c45729a | 2440 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2441 | } |
2442 | ||
91942321 | 2443 | static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri) |
444c580f | 2444 | { |
205b9822 JK |
2445 | struct f2fs_inode_info *fi = F2FS_I(inode); |
2446 | ||
444c580f | 2447 | if (ri->i_inline & F2FS_INLINE_XATTR) |
205b9822 | 2448 | set_bit(FI_INLINE_XATTR, &fi->flags); |
1001b347 | 2449 | if (ri->i_inline & F2FS_INLINE_DATA) |
205b9822 | 2450 | set_bit(FI_INLINE_DATA, &fi->flags); |
34d67deb | 2451 | if (ri->i_inline & F2FS_INLINE_DENTRY) |
205b9822 | 2452 | set_bit(FI_INLINE_DENTRY, &fi->flags); |
b3d208f9 | 2453 | if (ri->i_inline & F2FS_DATA_EXIST) |
205b9822 | 2454 | set_bit(FI_DATA_EXIST, &fi->flags); |
510022a8 | 2455 | if (ri->i_inline & F2FS_INLINE_DOTS) |
205b9822 | 2456 | set_bit(FI_INLINE_DOTS, &fi->flags); |
7a2af766 CY |
2457 | if (ri->i_inline & F2FS_EXTRA_ATTR) |
2458 | set_bit(FI_EXTRA_ATTR, &fi->flags); | |
1ad71a27 JK |
2459 | if (ri->i_inline & F2FS_PIN_FILE) |
2460 | set_bit(FI_PIN_FILE, &fi->flags); | |
444c580f JK |
2461 | } |
2462 | ||
91942321 | 2463 | static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri) |
444c580f JK |
2464 | { |
2465 | ri->i_inline = 0; | |
2466 | ||
91942321 | 2467 | if (is_inode_flag_set(inode, FI_INLINE_XATTR)) |
444c580f | 2468 | ri->i_inline |= F2FS_INLINE_XATTR; |
91942321 | 2469 | if (is_inode_flag_set(inode, FI_INLINE_DATA)) |
1001b347 | 2470 | ri->i_inline |= F2FS_INLINE_DATA; |
91942321 | 2471 | if (is_inode_flag_set(inode, FI_INLINE_DENTRY)) |
34d67deb | 2472 | ri->i_inline |= F2FS_INLINE_DENTRY; |
91942321 | 2473 | if (is_inode_flag_set(inode, FI_DATA_EXIST)) |
b3d208f9 | 2474 | ri->i_inline |= F2FS_DATA_EXIST; |
91942321 | 2475 | if (is_inode_flag_set(inode, FI_INLINE_DOTS)) |
510022a8 | 2476 | ri->i_inline |= F2FS_INLINE_DOTS; |
7a2af766 CY |
2477 | if (is_inode_flag_set(inode, FI_EXTRA_ATTR)) |
2478 | ri->i_inline |= F2FS_EXTRA_ATTR; | |
1ad71a27 JK |
2479 | if (is_inode_flag_set(inode, FI_PIN_FILE)) |
2480 | ri->i_inline |= F2FS_PIN_FILE; | |
7a2af766 CY |
2481 | } |
2482 | ||
2483 | static inline int f2fs_has_extra_attr(struct inode *inode) | |
2484 | { | |
2485 | return is_inode_flag_set(inode, FI_EXTRA_ATTR); | |
444c580f JK |
2486 | } |
2487 | ||
987c7c31 CY |
2488 | static inline int f2fs_has_inline_xattr(struct inode *inode) |
2489 | { | |
91942321 | 2490 | return is_inode_flag_set(inode, FI_INLINE_XATTR); |
987c7c31 CY |
2491 | } |
2492 | ||
81ca7350 | 2493 | static inline unsigned int addrs_per_inode(struct inode *inode) |
de93653f | 2494 | { |
b323fd28 | 2495 | return CUR_ADDRS_PER_INODE(inode) - get_inline_xattr_addrs(inode); |
de93653f JK |
2496 | } |
2497 | ||
6afc662e | 2498 | static inline void *inline_xattr_addr(struct inode *inode, struct page *page) |
65985d93 | 2499 | { |
695fd1ed | 2500 | struct f2fs_inode *ri = F2FS_INODE(page); |
cac5a3d8 | 2501 | |
65985d93 | 2502 | return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE - |
b323fd28 | 2503 | get_inline_xattr_addrs(inode)]); |
65985d93 JK |
2504 | } |
2505 | ||
2506 | static inline int inline_xattr_size(struct inode *inode) | |
2507 | { | |
6afc662e | 2508 | return get_inline_xattr_addrs(inode) * sizeof(__le32); |
65985d93 JK |
2509 | } |
2510 | ||
0dbdc2ae JK |
2511 | static inline int f2fs_has_inline_data(struct inode *inode) |
2512 | { | |
91942321 | 2513 | return is_inode_flag_set(inode, FI_INLINE_DATA); |
0dbdc2ae JK |
2514 | } |
2515 | ||
b3d208f9 JK |
2516 | static inline int f2fs_exist_data(struct inode *inode) |
2517 | { | |
91942321 | 2518 | return is_inode_flag_set(inode, FI_DATA_EXIST); |
b3d208f9 JK |
2519 | } |
2520 | ||
510022a8 JK |
2521 | static inline int f2fs_has_inline_dots(struct inode *inode) |
2522 | { | |
91942321 | 2523 | return is_inode_flag_set(inode, FI_INLINE_DOTS); |
510022a8 JK |
2524 | } |
2525 | ||
1ad71a27 JK |
2526 | static inline bool f2fs_is_pinned_file(struct inode *inode) |
2527 | { | |
2528 | return is_inode_flag_set(inode, FI_PIN_FILE); | |
2529 | } | |
2530 | ||
88b88a66 JK |
2531 | static inline bool f2fs_is_atomic_file(struct inode *inode) |
2532 | { | |
91942321 | 2533 | return is_inode_flag_set(inode, FI_ATOMIC_FILE); |
88b88a66 JK |
2534 | } |
2535 | ||
5fe45743 CY |
2536 | static inline bool f2fs_is_commit_atomic_write(struct inode *inode) |
2537 | { | |
2538 | return is_inode_flag_set(inode, FI_ATOMIC_COMMIT); | |
2539 | } | |
2540 | ||
02a1335f JK |
2541 | static inline bool f2fs_is_volatile_file(struct inode *inode) |
2542 | { | |
91942321 | 2543 | return is_inode_flag_set(inode, FI_VOLATILE_FILE); |
02a1335f JK |
2544 | } |
2545 | ||
3c6c2beb JK |
2546 | static inline bool f2fs_is_first_block_written(struct inode *inode) |
2547 | { | |
91942321 | 2548 | return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN); |
3c6c2beb JK |
2549 | } |
2550 | ||
1e84371f JK |
2551 | static inline bool f2fs_is_drop_cache(struct inode *inode) |
2552 | { | |
91942321 | 2553 | return is_inode_flag_set(inode, FI_DROP_CACHE); |
1e84371f JK |
2554 | } |
2555 | ||
f2470371 | 2556 | static inline void *inline_data_addr(struct inode *inode, struct page *page) |
1001b347 | 2557 | { |
695fd1ed | 2558 | struct f2fs_inode *ri = F2FS_INODE(page); |
7a2af766 | 2559 | int extra_size = get_extra_isize(inode); |
cac5a3d8 | 2560 | |
7a2af766 | 2561 | return (void *)&(ri->i_addr[extra_size + DEF_INLINE_RESERVED_SIZE]); |
1001b347 HL |
2562 | } |
2563 | ||
34d67deb CY |
2564 | static inline int f2fs_has_inline_dentry(struct inode *inode) |
2565 | { | |
91942321 | 2566 | return is_inode_flag_set(inode, FI_INLINE_DENTRY); |
34d67deb CY |
2567 | } |
2568 | ||
b5492af7 JK |
2569 | static inline int is_file(struct inode *inode, int type) |
2570 | { | |
2571 | return F2FS_I(inode)->i_advise & type; | |
2572 | } | |
2573 | ||
2574 | static inline void set_file(struct inode *inode, int type) | |
2575 | { | |
2576 | F2FS_I(inode)->i_advise |= type; | |
7c45729a | 2577 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
2578 | } |
2579 | ||
2580 | static inline void clear_file(struct inode *inode, int type) | |
2581 | { | |
2582 | F2FS_I(inode)->i_advise &= ~type; | |
7c45729a | 2583 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
2584 | } |
2585 | ||
26787236 JK |
2586 | static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync) |
2587 | { | |
a0d00fad CY |
2588 | bool ret; |
2589 | ||
26787236 JK |
2590 | if (dsync) { |
2591 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
26787236 JK |
2592 | |
2593 | spin_lock(&sbi->inode_lock[DIRTY_META]); | |
2594 | ret = list_empty(&F2FS_I(inode)->gdirty_list); | |
2595 | spin_unlock(&sbi->inode_lock[DIRTY_META]); | |
2596 | return ret; | |
2597 | } | |
2598 | if (!is_inode_flag_set(inode, FI_AUTO_RECOVER) || | |
2599 | file_keep_isize(inode) || | |
235831d7 | 2600 | i_size_read(inode) & ~PAGE_MASK) |
26787236 | 2601 | return false; |
a0d00fad | 2602 | |
24b81dfc | 2603 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time, &inode->i_atime)) |
214c2461 | 2604 | return false; |
24b81dfc | 2605 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 1, &inode->i_ctime)) |
214c2461 | 2606 | return false; |
24b81dfc | 2607 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 2, &inode->i_mtime)) |
214c2461 | 2608 | return false; |
24b81dfc | 2609 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 3, |
214c2461 JK |
2610 | &F2FS_I(inode)->i_crtime)) |
2611 | return false; | |
2612 | ||
a0d00fad CY |
2613 | down_read(&F2FS_I(inode)->i_sem); |
2614 | ret = F2FS_I(inode)->last_disk_size == i_size_read(inode); | |
2615 | up_read(&F2FS_I(inode)->i_sem); | |
2616 | ||
2617 | return ret; | |
b5492af7 JK |
2618 | } |
2619 | ||
deeedd71 | 2620 | static inline bool f2fs_readonly(struct super_block *sb) |
77888c1e | 2621 | { |
deeedd71 | 2622 | return sb_rdonly(sb); |
77888c1e JK |
2623 | } |
2624 | ||
1e968fdf JK |
2625 | static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi) |
2626 | { | |
aaec2b1d | 2627 | return is_set_ckpt_flags(sbi, CP_ERROR_FLAG); |
1e968fdf JK |
2628 | } |
2629 | ||
eaa693f4 JK |
2630 | static inline bool is_dot_dotdot(const struct qstr *str) |
2631 | { | |
2632 | if (str->len == 1 && str->name[0] == '.') | |
2633 | return true; | |
2634 | ||
2635 | if (str->len == 2 && str->name[0] == '.' && str->name[1] == '.') | |
2636 | return true; | |
2637 | ||
2638 | return false; | |
2639 | } | |
2640 | ||
3e72f721 JK |
2641 | static inline bool f2fs_may_extent_tree(struct inode *inode) |
2642 | { | |
3e72f721 | 2643 | if (!test_opt(F2FS_I_SB(inode), EXTENT_CACHE) || |
91942321 | 2644 | is_inode_flag_set(inode, FI_NO_EXTENT)) |
3e72f721 JK |
2645 | return false; |
2646 | ||
886f56f9 | 2647 | return S_ISREG(inode->i_mode); |
3e72f721 JK |
2648 | } |
2649 | ||
1ecc0c5c CY |
2650 | static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi, |
2651 | size_t size, gfp_t flags) | |
0414b004 | 2652 | { |
55523519 CY |
2653 | if (time_to_inject(sbi, FAULT_KMALLOC)) { |
2654 | f2fs_show_injection_info(FAULT_KMALLOC); | |
2c63fead | 2655 | return NULL; |
55523519 | 2656 | } |
7fa750a1 | 2657 | |
0414b004 JK |
2658 | return kmalloc(size, flags); |
2659 | } | |
2660 | ||
acbf054d CY |
2661 | static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi, |
2662 | size_t size, gfp_t flags) | |
2663 | { | |
2664 | return f2fs_kmalloc(sbi, size, flags | __GFP_ZERO); | |
2665 | } | |
2666 | ||
628b3d14 CY |
2667 | static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi, |
2668 | size_t size, gfp_t flags) | |
2669 | { | |
628b3d14 CY |
2670 | if (time_to_inject(sbi, FAULT_KVMALLOC)) { |
2671 | f2fs_show_injection_info(FAULT_KVMALLOC); | |
2672 | return NULL; | |
2673 | } | |
7fa750a1 | 2674 | |
628b3d14 CY |
2675 | return kvmalloc(size, flags); |
2676 | } | |
2677 | ||
2678 | static inline void *f2fs_kvzalloc(struct f2fs_sb_info *sbi, | |
2679 | size_t size, gfp_t flags) | |
2680 | { | |
2681 | return f2fs_kvmalloc(sbi, size, flags | __GFP_ZERO); | |
2682 | } | |
2683 | ||
7a2af766 | 2684 | static inline int get_extra_isize(struct inode *inode) |
f2470371 | 2685 | { |
7a2af766 | 2686 | return F2FS_I(inode)->i_extra_isize / sizeof(__le32); |
f2470371 CY |
2687 | } |
2688 | ||
6afc662e CY |
2689 | static inline int get_inline_xattr_addrs(struct inode *inode) |
2690 | { | |
2691 | return F2FS_I(inode)->i_inline_xattr_size; | |
2692 | } | |
2693 | ||
4d57b86d | 2694 | #define f2fs_get_inode_mode(i) \ |
91942321 | 2695 | ((is_inode_flag_set(i, FI_ACL_MODE)) ? \ |
a6dda0e6 CH |
2696 | (F2FS_I(i)->i_acl_mode) : ((i)->i_mode)) |
2697 | ||
7a2af766 CY |
2698 | #define F2FS_TOTAL_EXTRA_ATTR_SIZE \ |
2699 | (offsetof(struct f2fs_inode, i_extra_end) - \ | |
2700 | offsetof(struct f2fs_inode, i_extra_isize)) \ | |
2701 | ||
5c57132e CY |
2702 | #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr)) |
2703 | #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \ | |
2704 | ((offsetof(typeof(*f2fs_inode), field) + \ | |
2705 | sizeof((f2fs_inode)->field)) \ | |
2706 | <= (F2FS_OLD_ATTRIBUTE_SIZE + extra_isize)) \ | |
2707 | ||
b0af6d49 CY |
2708 | static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi) |
2709 | { | |
2710 | int i; | |
2711 | ||
2712 | spin_lock(&sbi->iostat_lock); | |
2713 | for (i = 0; i < NR_IO_TYPE; i++) | |
2714 | sbi->write_iostat[i] = 0; | |
2715 | spin_unlock(&sbi->iostat_lock); | |
2716 | } | |
2717 | ||
2718 | static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi, | |
2719 | enum iostat_type type, unsigned long long io_bytes) | |
2720 | { | |
2721 | if (!sbi->iostat_enable) | |
2722 | return; | |
2723 | spin_lock(&sbi->iostat_lock); | |
2724 | sbi->write_iostat[type] += io_bytes; | |
2725 | ||
2726 | if (type == APP_WRITE_IO || type == APP_DIRECT_IO) | |
2727 | sbi->write_iostat[APP_BUFFERED_IO] = | |
2728 | sbi->write_iostat[APP_WRITE_IO] - | |
2729 | sbi->write_iostat[APP_DIRECT_IO]; | |
2730 | spin_unlock(&sbi->iostat_lock); | |
2731 | } | |
2732 | ||
c9b60788 CY |
2733 | #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO(fio->type) == META && \ |
2734 | (!is_read_io(fio->op) || fio->is_meta)) | |
2735 | ||
e1da7872 CY |
2736 | bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, |
2737 | block_t blkaddr, int type); | |
2738 | void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...); | |
2739 | static inline void verify_blkaddr(struct f2fs_sb_info *sbi, | |
2740 | block_t blkaddr, int type) | |
2741 | { | |
2742 | if (!f2fs_is_valid_blkaddr(sbi, blkaddr, type)) { | |
2743 | f2fs_msg(sbi->sb, KERN_ERR, | |
2744 | "invalid blkaddr: %u, type: %d, run fsck to fix.", | |
2745 | blkaddr, type); | |
2746 | f2fs_bug_on(sbi, 1); | |
2747 | } | |
2748 | } | |
2749 | ||
2750 | static inline bool __is_valid_data_blkaddr(block_t blkaddr) | |
7b525dd0 CY |
2751 | { |
2752 | if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR) | |
2753 | return false; | |
2754 | return true; | |
2755 | } | |
2756 | ||
e1da7872 CY |
2757 | static inline bool is_valid_data_blkaddr(struct f2fs_sb_info *sbi, |
2758 | block_t blkaddr) | |
2759 | { | |
2760 | if (!__is_valid_data_blkaddr(blkaddr)) | |
2761 | return false; | |
2762 | verify_blkaddr(sbi, blkaddr, DATA_GENERIC); | |
2763 | return true; | |
2764 | } | |
2765 | ||
39a53e0c JK |
2766 | /* |
2767 | * file.c | |
2768 | */ | |
cac5a3d8 | 2769 | int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync); |
4d57b86d CY |
2770 | void f2fs_truncate_data_blocks(struct dnode_of_data *dn); |
2771 | int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock); | |
cac5a3d8 | 2772 | int f2fs_truncate(struct inode *inode); |
a528d35e DH |
2773 | int f2fs_getattr(const struct path *path, struct kstat *stat, |
2774 | u32 request_mask, unsigned int flags); | |
cac5a3d8 | 2775 | int f2fs_setattr(struct dentry *dentry, struct iattr *attr); |
4d57b86d CY |
2776 | int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end); |
2777 | void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count); | |
c4020b2d | 2778 | int f2fs_precache_extents(struct inode *inode); |
cac5a3d8 DS |
2779 | long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); |
2780 | long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg); | |
1ad71a27 | 2781 | int f2fs_pin_file_control(struct inode *inode, bool inc); |
39a53e0c JK |
2782 | |
2783 | /* | |
2784 | * inode.c | |
2785 | */ | |
cac5a3d8 | 2786 | void f2fs_set_inode_flags(struct inode *inode); |
704956ec CY |
2787 | bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page); |
2788 | void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page); | |
cac5a3d8 DS |
2789 | struct inode *f2fs_iget(struct super_block *sb, unsigned long ino); |
2790 | struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino); | |
4d57b86d CY |
2791 | int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink); |
2792 | void f2fs_update_inode(struct inode *inode, struct page *node_page); | |
2793 | void f2fs_update_inode_page(struct inode *inode); | |
cac5a3d8 DS |
2794 | int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc); |
2795 | void f2fs_evict_inode(struct inode *inode); | |
4d57b86d | 2796 | void f2fs_handle_failed_inode(struct inode *inode); |
39a53e0c JK |
2797 | |
2798 | /* | |
2799 | * namei.c | |
2800 | */ | |
4d57b86d | 2801 | int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name, |
b6a06cbb | 2802 | bool hot, bool set); |
39a53e0c JK |
2803 | struct dentry *f2fs_get_parent(struct dentry *child); |
2804 | ||
2805 | /* | |
2806 | * dir.c | |
2807 | */ | |
4d57b86d CY |
2808 | unsigned char f2fs_get_de_type(struct f2fs_dir_entry *de); |
2809 | struct f2fs_dir_entry *f2fs_find_target_dentry(struct fscrypt_name *fname, | |
cac5a3d8 DS |
2810 | f2fs_hash_t namehash, int *max_slots, |
2811 | struct f2fs_dentry_ptr *d); | |
2812 | int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d, | |
2813 | unsigned int start_pos, struct fscrypt_str *fstr); | |
4d57b86d | 2814 | void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent, |
cac5a3d8 | 2815 | struct f2fs_dentry_ptr *d); |
4d57b86d | 2816 | struct page *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir, |
cac5a3d8 DS |
2817 | const struct qstr *new_name, |
2818 | const struct qstr *orig_name, struct page *dpage); | |
4d57b86d | 2819 | void f2fs_update_parent_metadata(struct inode *dir, struct inode *inode, |
cac5a3d8 | 2820 | unsigned int current_depth); |
4d57b86d | 2821 | int f2fs_room_for_filename(const void *bitmap, int slots, int max_slots); |
cac5a3d8 DS |
2822 | void f2fs_drop_nlink(struct inode *dir, struct inode *inode); |
2823 | struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir, | |
2824 | struct fscrypt_name *fname, struct page **res_page); | |
2825 | struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir, | |
2826 | const struct qstr *child, struct page **res_page); | |
2827 | struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p); | |
2828 | ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr, | |
2829 | struct page **page); | |
2830 | void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de, | |
2831 | struct page *page, struct inode *inode); | |
cac5a3d8 DS |
2832 | void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d, |
2833 | const struct qstr *name, f2fs_hash_t name_hash, | |
2834 | unsigned int bit_pos); | |
2835 | int f2fs_add_regular_entry(struct inode *dir, const struct qstr *new_name, | |
2836 | const struct qstr *orig_name, | |
2837 | struct inode *inode, nid_t ino, umode_t mode); | |
4d57b86d | 2838 | int f2fs_add_dentry(struct inode *dir, struct fscrypt_name *fname, |
cac5a3d8 | 2839 | struct inode *inode, nid_t ino, umode_t mode); |
4d57b86d | 2840 | int f2fs_do_add_link(struct inode *dir, const struct qstr *name, |
cac5a3d8 DS |
2841 | struct inode *inode, nid_t ino, umode_t mode); |
2842 | void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, | |
2843 | struct inode *dir, struct inode *inode); | |
2844 | int f2fs_do_tmpfile(struct inode *inode, struct inode *dir); | |
2845 | bool f2fs_empty_dir(struct inode *dir); | |
39a53e0c | 2846 | |
b7f7a5e0 AV |
2847 | static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode) |
2848 | { | |
4d57b86d | 2849 | return f2fs_do_add_link(d_inode(dentry->d_parent), &dentry->d_name, |
510022a8 | 2850 | inode, inode->i_ino, inode->i_mode); |
b7f7a5e0 AV |
2851 | } |
2852 | ||
39a53e0c JK |
2853 | /* |
2854 | * super.c | |
2855 | */ | |
cac5a3d8 DS |
2856 | int f2fs_inode_dirtied(struct inode *inode, bool sync); |
2857 | void f2fs_inode_synced(struct inode *inode); | |
ea676733 | 2858 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly); |
4b2414d0 | 2859 | void f2fs_quota_off_umount(struct super_block *sb); |
cac5a3d8 DS |
2860 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover); |
2861 | int f2fs_sync_fs(struct super_block *sb, int sync); | |
a07ef784 | 2862 | extern __printf(3, 4) |
cac5a3d8 | 2863 | void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...); |
4d57b86d | 2864 | int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi); |
39a53e0c JK |
2865 | |
2866 | /* | |
2867 | * hash.c | |
2868 | */ | |
6332cd32 JK |
2869 | f2fs_hash_t f2fs_dentry_hash(const struct qstr *name_info, |
2870 | struct fscrypt_name *fname); | |
39a53e0c JK |
2871 | |
2872 | /* | |
2873 | * node.c | |
2874 | */ | |
2875 | struct dnode_of_data; | |
2876 | struct node_info; | |
2877 | ||
4d57b86d CY |
2878 | int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid); |
2879 | bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type); | |
50fa53ec CY |
2880 | bool f2fs_in_warm_node_list(struct f2fs_sb_info *sbi, struct page *page); |
2881 | void f2fs_init_fsync_node_info(struct f2fs_sb_info *sbi); | |
2882 | void f2fs_del_fsync_node_entry(struct f2fs_sb_info *sbi, struct page *page); | |
2883 | void f2fs_reset_fsync_node_info(struct f2fs_sb_info *sbi); | |
4d57b86d CY |
2884 | int f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid); |
2885 | bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid); | |
2886 | bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino); | |
7735730d | 2887 | int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid, |
4d57b86d CY |
2888 | struct node_info *ni); |
2889 | pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs); | |
2890 | int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode); | |
2891 | int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from); | |
2892 | int f2fs_truncate_xattr_node(struct inode *inode); | |
50fa53ec CY |
2893 | int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, |
2894 | unsigned int seq_id); | |
4d57b86d CY |
2895 | int f2fs_remove_inode_page(struct inode *inode); |
2896 | struct page *f2fs_new_inode_page(struct inode *inode); | |
2897 | struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs); | |
2898 | void f2fs_ra_node_page(struct f2fs_sb_info *sbi, nid_t nid); | |
2899 | struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid); | |
2900 | struct page *f2fs_get_node_page_ra(struct page *parent, int start); | |
2901 | void f2fs_move_node_page(struct page *node_page, int gc_type); | |
2902 | int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, | |
50fa53ec CY |
2903 | struct writeback_control *wbc, bool atomic, |
2904 | unsigned int *seq_id); | |
4d57b86d CY |
2905 | int f2fs_sync_node_pages(struct f2fs_sb_info *sbi, |
2906 | struct writeback_control *wbc, | |
b0af6d49 | 2907 | bool do_balance, enum iostat_type io_type); |
e2374015 | 2908 | int f2fs_build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount); |
4d57b86d CY |
2909 | bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid); |
2910 | void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid); | |
2911 | void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid); | |
2912 | int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink); | |
2913 | void f2fs_recover_inline_xattr(struct inode *inode, struct page *page); | |
2914 | int f2fs_recover_xattr_data(struct inode *inode, struct page *page); | |
2915 | int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page); | |
7735730d | 2916 | int f2fs_restore_node_summary(struct f2fs_sb_info *sbi, |
cac5a3d8 | 2917 | unsigned int segno, struct f2fs_summary_block *sum); |
edc55aaf | 2918 | int f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
4d57b86d CY |
2919 | int f2fs_build_node_manager(struct f2fs_sb_info *sbi); |
2920 | void f2fs_destroy_node_manager(struct f2fs_sb_info *sbi); | |
2921 | int __init f2fs_create_node_manager_caches(void); | |
2922 | void f2fs_destroy_node_manager_caches(void); | |
39a53e0c JK |
2923 | |
2924 | /* | |
2925 | * segment.c | |
2926 | */ | |
4d57b86d CY |
2927 | bool f2fs_need_SSR(struct f2fs_sb_info *sbi); |
2928 | void f2fs_register_inmem_page(struct inode *inode, struct page *page); | |
2929 | void f2fs_drop_inmem_pages_all(struct f2fs_sb_info *sbi, bool gc_failure); | |
2930 | void f2fs_drop_inmem_pages(struct inode *inode); | |
2931 | void f2fs_drop_inmem_page(struct inode *inode, struct page *page); | |
2932 | int f2fs_commit_inmem_pages(struct inode *inode); | |
cac5a3d8 DS |
2933 | void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need); |
2934 | void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi); | |
39d787be | 2935 | int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino); |
4d57b86d | 2936 | int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi); |
1228b482 | 2937 | int f2fs_flush_device_cache(struct f2fs_sb_info *sbi); |
4d57b86d CY |
2938 | void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free); |
2939 | void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr); | |
2940 | bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr); | |
2941 | void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi); | |
2942 | void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi); | |
cf5c759f | 2943 | bool f2fs_wait_discard_bios(struct f2fs_sb_info *sbi); |
4d57b86d CY |
2944 | void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi, |
2945 | struct cp_control *cpc); | |
2946 | void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi); | |
2947 | int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra); | |
2948 | void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi); | |
cac5a3d8 | 2949 | int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range); |
4d57b86d CY |
2950 | bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi, |
2951 | struct cp_control *cpc); | |
2952 | struct page *f2fs_get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno); | |
2953 | void f2fs_update_meta_page(struct f2fs_sb_info *sbi, void *src, | |
2954 | block_t blk_addr); | |
2955 | void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page, | |
b0af6d49 | 2956 | enum iostat_type io_type); |
4d57b86d CY |
2957 | void f2fs_do_write_node_page(unsigned int nid, struct f2fs_io_info *fio); |
2958 | void f2fs_outplace_write_data(struct dnode_of_data *dn, | |
2959 | struct f2fs_io_info *fio); | |
2960 | int f2fs_inplace_write_data(struct f2fs_io_info *fio); | |
2961 | void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, | |
cac5a3d8 DS |
2962 | block_t old_blkaddr, block_t new_blkaddr, |
2963 | bool recover_curseg, bool recover_newaddr); | |
2964 | void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn, | |
2965 | block_t old_addr, block_t new_addr, | |
2966 | unsigned char version, bool recover_curseg, | |
2967 | bool recover_newaddr); | |
4d57b86d | 2968 | void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, |
cac5a3d8 | 2969 | block_t old_blkaddr, block_t *new_blkaddr, |
fb830fc5 CY |
2970 | struct f2fs_summary *sum, int type, |
2971 | struct f2fs_io_info *fio, bool add_list); | |
cac5a3d8 DS |
2972 | void f2fs_wait_on_page_writeback(struct page *page, |
2973 | enum page_type type, bool ordered); | |
0ded69f6 | 2974 | void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr); |
4d57b86d CY |
2975 | void f2fs_write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk); |
2976 | void f2fs_write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk); | |
2977 | int f2fs_lookup_journal_in_cursum(struct f2fs_journal *journal, int type, | |
cac5a3d8 | 2978 | unsigned int val, int alloc); |
4d57b86d CY |
2979 | void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
2980 | int f2fs_build_segment_manager(struct f2fs_sb_info *sbi); | |
2981 | void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi); | |
2982 | int __init f2fs_create_segment_manager_caches(void); | |
2983 | void f2fs_destroy_segment_manager_caches(void); | |
2984 | int f2fs_rw_hint_to_seg_type(enum rw_hint hint); | |
2985 | enum rw_hint f2fs_io_type_to_rw_hint(struct f2fs_sb_info *sbi, | |
2986 | enum page_type type, enum temp_type temp); | |
39a53e0c JK |
2987 | |
2988 | /* | |
2989 | * checkpoint.c | |
2990 | */ | |
cac5a3d8 | 2991 | void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io); |
4d57b86d CY |
2992 | struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); |
2993 | struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); | |
7735730d | 2994 | struct page *f2fs_get_meta_page_nofail(struct f2fs_sb_info *sbi, pgoff_t index); |
4d57b86d | 2995 | struct page *f2fs_get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index); |
e1da7872 CY |
2996 | bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, |
2997 | block_t blkaddr, int type); | |
4d57b86d | 2998 | int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, |
cac5a3d8 | 2999 | int type, bool sync); |
4d57b86d CY |
3000 | void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index); |
3001 | long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type, | |
b0af6d49 | 3002 | long nr_to_write, enum iostat_type io_type); |
4d57b86d CY |
3003 | void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); |
3004 | void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); | |
3005 | void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all); | |
3006 | bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode); | |
3007 | void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, | |
39d787be | 3008 | unsigned int devidx, int type); |
4d57b86d | 3009 | bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, |
39d787be | 3010 | unsigned int devidx, int type); |
cac5a3d8 | 3011 | int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3012 | int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi); |
3013 | void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi); | |
3014 | void f2fs_add_orphan_inode(struct inode *inode); | |
3015 | void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino); | |
3016 | int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi); | |
3017 | int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi); | |
3018 | void f2fs_update_dirty_page(struct inode *inode, struct page *page); | |
3019 | void f2fs_remove_dirty_inode(struct inode *inode); | |
3020 | int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type); | |
50fa53ec | 3021 | void f2fs_wait_on_all_pages_writeback(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3022 | int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
3023 | void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi); | |
3024 | int __init f2fs_create_checkpoint_caches(void); | |
3025 | void f2fs_destroy_checkpoint_caches(void); | |
39a53e0c JK |
3026 | |
3027 | /* | |
3028 | * data.c | |
3029 | */ | |
6dbb1796 EB |
3030 | int f2fs_init_post_read_processing(void); |
3031 | void f2fs_destroy_post_read_processing(void); | |
b9109b0e JK |
3032 | void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type); |
3033 | void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi, | |
942fd319 | 3034 | struct inode *inode, nid_t ino, pgoff_t idx, |
b9109b0e JK |
3035 | enum page_type type); |
3036 | void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi); | |
cac5a3d8 | 3037 | int f2fs_submit_page_bio(struct f2fs_io_info *fio); |
fe16efe6 | 3038 | void f2fs_submit_page_write(struct f2fs_io_info *fio); |
cac5a3d8 DS |
3039 | struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi, |
3040 | block_t blk_addr, struct bio *bio); | |
3041 | int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr); | |
4d57b86d | 3042 | void f2fs_set_data_blkaddr(struct dnode_of_data *dn); |
cac5a3d8 | 3043 | void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr); |
4d57b86d CY |
3044 | int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count); |
3045 | int f2fs_reserve_new_block(struct dnode_of_data *dn); | |
cac5a3d8 DS |
3046 | int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index); |
3047 | int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from); | |
3048 | int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index); | |
4d57b86d | 3049 | struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index, |
cac5a3d8 | 3050 | int op_flags, bool for_write); |
4d57b86d CY |
3051 | struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index); |
3052 | struct page *f2fs_get_lock_data_page(struct inode *inode, pgoff_t index, | |
cac5a3d8 | 3053 | bool for_write); |
4d57b86d | 3054 | struct page *f2fs_get_new_data_page(struct inode *inode, |
cac5a3d8 | 3055 | struct page *ipage, pgoff_t index, bool new_i_size); |
4d57b86d | 3056 | int f2fs_do_write_data_page(struct f2fs_io_info *fio); |
cac5a3d8 DS |
3057 | int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, |
3058 | int create, int flag); | |
3059 | int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, | |
3060 | u64 start, u64 len); | |
4d57b86d CY |
3061 | bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio); |
3062 | bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio); | |
cac5a3d8 DS |
3063 | void f2fs_invalidate_page(struct page *page, unsigned int offset, |
3064 | unsigned int length); | |
3065 | int f2fs_release_page(struct page *page, gfp_t wait); | |
5b7a487c | 3066 | #ifdef CONFIG_MIGRATION |
cac5a3d8 DS |
3067 | int f2fs_migrate_page(struct address_space *mapping, struct page *newpage, |
3068 | struct page *page, enum migrate_mode mode); | |
5b7a487c | 3069 | #endif |
b91050a8 | 3070 | bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len); |
4d57b86d | 3071 | void f2fs_clear_radix_tree_dirty_tag(struct page *page); |
39a53e0c JK |
3072 | |
3073 | /* | |
3074 | * gc.c | |
3075 | */ | |
4d57b86d CY |
3076 | int f2fs_start_gc_thread(struct f2fs_sb_info *sbi); |
3077 | void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi); | |
3078 | block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode); | |
e066b83c JK |
3079 | int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background, |
3080 | unsigned int segno); | |
4d57b86d | 3081 | void f2fs_build_gc_manager(struct f2fs_sb_info *sbi); |
39a53e0c JK |
3082 | |
3083 | /* | |
3084 | * recovery.c | |
3085 | */ | |
4d57b86d CY |
3086 | int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only); |
3087 | bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi); | |
39a53e0c JK |
3088 | |
3089 | /* | |
3090 | * debug.c | |
3091 | */ | |
3092 | #ifdef CONFIG_F2FS_STAT_FS | |
3093 | struct f2fs_stat_info { | |
3094 | struct list_head stat_list; | |
3095 | struct f2fs_sb_info *sbi; | |
39a53e0c JK |
3096 | int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs; |
3097 | int main_area_segs, main_area_sections, main_area_zones; | |
5b7ee374 CY |
3098 | unsigned long long hit_largest, hit_cached, hit_rbtree; |
3099 | unsigned long long hit_total, total_ext; | |
c00ba554 | 3100 | int ext_tree, zombie_tree, ext_node; |
2c8a4a28 JK |
3101 | int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta; |
3102 | int ndirty_data, ndirty_qdata; | |
35782b23 | 3103 | int inmem_pages; |
2c8a4a28 | 3104 | unsigned int ndirty_dirs, ndirty_files, nquota_files, ndirty_all; |
5b0ef73c JK |
3105 | int nats, dirty_nats, sits, dirty_sits; |
3106 | int free_nids, avail_nids, alloc_nids; | |
39a53e0c | 3107 | int total_count, utilization; |
8b8dd65f | 3108 | int bg_gc, nr_wb_cp_data, nr_wb_data; |
274bd9ba | 3109 | unsigned int io_skip_bggc, other_skip_bggc; |
14d8d5f7 CY |
3110 | int nr_flushing, nr_flushed, flush_list_empty; |
3111 | int nr_discarding, nr_discarded; | |
5f32366a | 3112 | int nr_discard_cmd; |
d84d1cbd | 3113 | unsigned int undiscard_blks; |
a00861db | 3114 | int inline_xattr, inline_inode, inline_dir, append, update, orphans; |
648d50ba | 3115 | int aw_cnt, max_aw_cnt, vw_cnt, max_vw_cnt; |
f83a2584 | 3116 | unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks; |
39a53e0c JK |
3117 | unsigned int bimodal, avg_vblocks; |
3118 | int util_free, util_valid, util_invalid; | |
3119 | int rsvd_segs, overp_segs; | |
3120 | int dirty_count, node_pages, meta_pages; | |
42190d2a | 3121 | int prefree_count, call_count, cp_count, bg_cp_count; |
39a53e0c | 3122 | int tot_segs, node_segs, data_segs, free_segs, free_secs; |
e1235983 | 3123 | int bg_node_segs, bg_data_segs; |
39a53e0c | 3124 | int tot_blks, data_blks, node_blks; |
e1235983 | 3125 | int bg_data_blks, bg_node_blks; |
2ef79ecb | 3126 | unsigned long long skipped_atomic_files[2]; |
39a53e0c JK |
3127 | int curseg[NR_CURSEG_TYPE]; |
3128 | int cursec[NR_CURSEG_TYPE]; | |
3129 | int curzone[NR_CURSEG_TYPE]; | |
3130 | ||
b63e7be5 | 3131 | unsigned int meta_count[META_MAX]; |
39a53e0c JK |
3132 | unsigned int segment_count[2]; |
3133 | unsigned int block_count[2]; | |
b9a2c252 | 3134 | unsigned int inplace_count; |
9edcdabf | 3135 | unsigned long long base_mem, cache_mem, page_mem; |
39a53e0c JK |
3136 | }; |
3137 | ||
963d4f7d GZ |
3138 | static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) |
3139 | { | |
6c311ec6 | 3140 | return (struct f2fs_stat_info *)sbi->stat_info; |
963d4f7d GZ |
3141 | } |
3142 | ||
942e0be6 | 3143 | #define stat_inc_cp_count(si) ((si)->cp_count++) |
42190d2a | 3144 | #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++) |
dcdfff65 JK |
3145 | #define stat_inc_call_count(si) ((si)->call_count++) |
3146 | #define stat_inc_bggc_count(sbi) ((sbi)->bg_gc++) | |
274bd9ba CY |
3147 | #define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++) |
3148 | #define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++) | |
33fbd510 CY |
3149 | #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++) |
3150 | #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--) | |
5b7ee374 CY |
3151 | #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext)) |
3152 | #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree)) | |
3153 | #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest)) | |
3154 | #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached)) | |
d5e8f6c9 CY |
3155 | #define stat_inc_inline_xattr(inode) \ |
3156 | do { \ | |
3157 | if (f2fs_has_inline_xattr(inode)) \ | |
3158 | (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \ | |
3159 | } while (0) | |
3160 | #define stat_dec_inline_xattr(inode) \ | |
3161 | do { \ | |
3162 | if (f2fs_has_inline_xattr(inode)) \ | |
3163 | (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \ | |
3164 | } while (0) | |
0dbdc2ae JK |
3165 | #define stat_inc_inline_inode(inode) \ |
3166 | do { \ | |
3167 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 3168 | (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae JK |
3169 | } while (0) |
3170 | #define stat_dec_inline_inode(inode) \ | |
3171 | do { \ | |
3172 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 3173 | (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae | 3174 | } while (0) |
3289c061 JK |
3175 | #define stat_inc_inline_dir(inode) \ |
3176 | do { \ | |
3177 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 3178 | (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 JK |
3179 | } while (0) |
3180 | #define stat_dec_inline_dir(inode) \ | |
3181 | do { \ | |
3182 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 3183 | (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 | 3184 | } while (0) |
b63e7be5 CY |
3185 | #define stat_inc_meta_count(sbi, blkaddr) \ |
3186 | do { \ | |
3187 | if (blkaddr < SIT_I(sbi)->sit_base_addr) \ | |
3188 | atomic_inc(&(sbi)->meta_count[META_CP]); \ | |
3189 | else if (blkaddr < NM_I(sbi)->nat_blkaddr) \ | |
3190 | atomic_inc(&(sbi)->meta_count[META_SIT]); \ | |
3191 | else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \ | |
3192 | atomic_inc(&(sbi)->meta_count[META_NAT]); \ | |
3193 | else if (blkaddr < SM_I(sbi)->main_blkaddr) \ | |
3194 | atomic_inc(&(sbi)->meta_count[META_SSA]); \ | |
3195 | } while (0) | |
dcdfff65 JK |
3196 | #define stat_inc_seg_type(sbi, curseg) \ |
3197 | ((sbi)->segment_count[(curseg)->alloc_type]++) | |
3198 | #define stat_inc_block_count(sbi, curseg) \ | |
3199 | ((sbi)->block_count[(curseg)->alloc_type]++) | |
b9a2c252 CL |
3200 | #define stat_inc_inplace_blocks(sbi) \ |
3201 | (atomic_inc(&(sbi)->inplace_count)) | |
26a28a0c | 3202 | #define stat_inc_atomic_write(inode) \ |
cac5a3d8 | 3203 | (atomic_inc(&F2FS_I_SB(inode)->aw_cnt)) |
26a28a0c | 3204 | #define stat_dec_atomic_write(inode) \ |
cac5a3d8 | 3205 | (atomic_dec(&F2FS_I_SB(inode)->aw_cnt)) |
26a28a0c JK |
3206 | #define stat_update_max_atomic_write(inode) \ |
3207 | do { \ | |
3208 | int cur = atomic_read(&F2FS_I_SB(inode)->aw_cnt); \ | |
3209 | int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \ | |
3210 | if (cur > max) \ | |
3211 | atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \ | |
3212 | } while (0) | |
648d50ba CY |
3213 | #define stat_inc_volatile_write(inode) \ |
3214 | (atomic_inc(&F2FS_I_SB(inode)->vw_cnt)) | |
3215 | #define stat_dec_volatile_write(inode) \ | |
3216 | (atomic_dec(&F2FS_I_SB(inode)->vw_cnt)) | |
3217 | #define stat_update_max_volatile_write(inode) \ | |
3218 | do { \ | |
3219 | int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \ | |
3220 | int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \ | |
3221 | if (cur > max) \ | |
3222 | atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \ | |
3223 | } while (0) | |
e1235983 | 3224 | #define stat_inc_seg_count(sbi, type, gc_type) \ |
39a53e0c | 3225 | do { \ |
963d4f7d | 3226 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
68afcf2d TK |
3227 | si->tot_segs++; \ |
3228 | if ((type) == SUM_TYPE_DATA) { \ | |
39a53e0c | 3229 | si->data_segs++; \ |
e1235983 CL |
3230 | si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \ |
3231 | } else { \ | |
39a53e0c | 3232 | si->node_segs++; \ |
e1235983 CL |
3233 | si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \ |
3234 | } \ | |
39a53e0c JK |
3235 | } while (0) |
3236 | ||
3237 | #define stat_inc_tot_blk_count(si, blks) \ | |
68afcf2d | 3238 | ((si)->tot_blks += (blks)) |
39a53e0c | 3239 | |
e1235983 | 3240 | #define stat_inc_data_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 3241 | do { \ |
963d4f7d | 3242 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
3243 | stat_inc_tot_blk_count(si, blks); \ |
3244 | si->data_blks += (blks); \ | |
68afcf2d | 3245 | si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
3246 | } while (0) |
3247 | ||
e1235983 | 3248 | #define stat_inc_node_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 3249 | do { \ |
963d4f7d | 3250 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
3251 | stat_inc_tot_blk_count(si, blks); \ |
3252 | si->node_blks += (blks); \ | |
68afcf2d | 3253 | si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
3254 | } while (0) |
3255 | ||
cac5a3d8 DS |
3256 | int f2fs_build_stats(struct f2fs_sb_info *sbi); |
3257 | void f2fs_destroy_stats(struct f2fs_sb_info *sbi); | |
787c7b8c | 3258 | int __init f2fs_create_root_stats(void); |
4589d25d | 3259 | void f2fs_destroy_root_stats(void); |
39a53e0c | 3260 | #else |
d66450e7 AB |
3261 | #define stat_inc_cp_count(si) do { } while (0) |
3262 | #define stat_inc_bg_cp_count(si) do { } while (0) | |
3263 | #define stat_inc_call_count(si) do { } while (0) | |
3264 | #define stat_inc_bggc_count(si) do { } while (0) | |
274bd9ba CY |
3265 | #define stat_io_skip_bggc_count(sbi) do { } while (0) |
3266 | #define stat_other_skip_bggc_count(sbi) do { } while (0) | |
d66450e7 AB |
3267 | #define stat_inc_dirty_inode(sbi, type) do { } while (0) |
3268 | #define stat_dec_dirty_inode(sbi, type) do { } while (0) | |
3269 | #define stat_inc_total_hit(sb) do { } while (0) | |
3270 | #define stat_inc_rbtree_node_hit(sb) do { } while (0) | |
3271 | #define stat_inc_largest_node_hit(sbi) do { } while (0) | |
3272 | #define stat_inc_cached_node_hit(sbi) do { } while (0) | |
3273 | #define stat_inc_inline_xattr(inode) do { } while (0) | |
3274 | #define stat_dec_inline_xattr(inode) do { } while (0) | |
3275 | #define stat_inc_inline_inode(inode) do { } while (0) | |
3276 | #define stat_dec_inline_inode(inode) do { } while (0) | |
3277 | #define stat_inc_inline_dir(inode) do { } while (0) | |
3278 | #define stat_dec_inline_dir(inode) do { } while (0) | |
3279 | #define stat_inc_atomic_write(inode) do { } while (0) | |
3280 | #define stat_dec_atomic_write(inode) do { } while (0) | |
3281 | #define stat_update_max_atomic_write(inode) do { } while (0) | |
3282 | #define stat_inc_volatile_write(inode) do { } while (0) | |
3283 | #define stat_dec_volatile_write(inode) do { } while (0) | |
3284 | #define stat_update_max_volatile_write(inode) do { } while (0) | |
b63e7be5 | 3285 | #define stat_inc_meta_count(sbi, blkaddr) do { } while (0) |
d66450e7 AB |
3286 | #define stat_inc_seg_type(sbi, curseg) do { } while (0) |
3287 | #define stat_inc_block_count(sbi, curseg) do { } while (0) | |
3288 | #define stat_inc_inplace_blocks(sbi) do { } while (0) | |
3289 | #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0) | |
3290 | #define stat_inc_tot_blk_count(si, blks) do { } while (0) | |
3291 | #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0) | |
3292 | #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0) | |
39a53e0c JK |
3293 | |
3294 | static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; } | |
3295 | static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { } | |
787c7b8c | 3296 | static inline int __init f2fs_create_root_stats(void) { return 0; } |
4589d25d | 3297 | static inline void f2fs_destroy_root_stats(void) { } |
39a53e0c JK |
3298 | #endif |
3299 | ||
3300 | extern const struct file_operations f2fs_dir_operations; | |
3301 | extern const struct file_operations f2fs_file_operations; | |
3302 | extern const struct inode_operations f2fs_file_inode_operations; | |
3303 | extern const struct address_space_operations f2fs_dblock_aops; | |
3304 | extern const struct address_space_operations f2fs_node_aops; | |
3305 | extern const struct address_space_operations f2fs_meta_aops; | |
3306 | extern const struct inode_operations f2fs_dir_inode_operations; | |
3307 | extern const struct inode_operations f2fs_symlink_inode_operations; | |
cbaf042a | 3308 | extern const struct inode_operations f2fs_encrypted_symlink_inode_operations; |
39a53e0c | 3309 | extern const struct inode_operations f2fs_special_inode_operations; |
4d57b86d | 3310 | extern struct kmem_cache *f2fs_inode_entry_slab; |
1001b347 | 3311 | |
e18c65b2 HL |
3312 | /* |
3313 | * inline.c | |
3314 | */ | |
cac5a3d8 DS |
3315 | bool f2fs_may_inline_data(struct inode *inode); |
3316 | bool f2fs_may_inline_dentry(struct inode *inode); | |
4d57b86d CY |
3317 | void f2fs_do_read_inline_data(struct page *page, struct page *ipage); |
3318 | void f2fs_truncate_inline_inode(struct inode *inode, | |
3319 | struct page *ipage, u64 from); | |
cac5a3d8 DS |
3320 | int f2fs_read_inline_data(struct inode *inode, struct page *page); |
3321 | int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page); | |
3322 | int f2fs_convert_inline_inode(struct inode *inode); | |
3323 | int f2fs_write_inline_data(struct inode *inode, struct page *page); | |
4d57b86d CY |
3324 | bool f2fs_recover_inline_data(struct inode *inode, struct page *npage); |
3325 | struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir, | |
cac5a3d8 | 3326 | struct fscrypt_name *fname, struct page **res_page); |
4d57b86d | 3327 | int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent, |
cac5a3d8 DS |
3328 | struct page *ipage); |
3329 | int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name, | |
3330 | const struct qstr *orig_name, | |
3331 | struct inode *inode, nid_t ino, umode_t mode); | |
4d57b86d CY |
3332 | void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, |
3333 | struct page *page, struct inode *dir, | |
3334 | struct inode *inode); | |
cac5a3d8 DS |
3335 | bool f2fs_empty_inline_dir(struct inode *dir); |
3336 | int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx, | |
3337 | struct fscrypt_str *fstr); | |
3338 | int f2fs_inline_data_fiemap(struct inode *inode, | |
3339 | struct fiemap_extent_info *fieinfo, | |
3340 | __u64 start, __u64 len); | |
cde4de12 | 3341 | |
2658e50d JK |
3342 | /* |
3343 | * shrinker.c | |
3344 | */ | |
cac5a3d8 DS |
3345 | unsigned long f2fs_shrink_count(struct shrinker *shrink, |
3346 | struct shrink_control *sc); | |
3347 | unsigned long f2fs_shrink_scan(struct shrinker *shrink, | |
3348 | struct shrink_control *sc); | |
3349 | void f2fs_join_shrinker(struct f2fs_sb_info *sbi); | |
3350 | void f2fs_leave_shrinker(struct f2fs_sb_info *sbi); | |
2658e50d | 3351 | |
a28ef1f5 CY |
3352 | /* |
3353 | * extent_cache.c | |
3354 | */ | |
4d57b86d | 3355 | struct rb_entry *f2fs_lookup_rb_tree(struct rb_root *root, |
004b6862 | 3356 | struct rb_entry *cached_re, unsigned int ofs); |
4d57b86d | 3357 | struct rb_node **f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi, |
004b6862 CY |
3358 | struct rb_root *root, struct rb_node **parent, |
3359 | unsigned int ofs); | |
4d57b86d | 3360 | struct rb_entry *f2fs_lookup_rb_tree_ret(struct rb_root *root, |
004b6862 CY |
3361 | struct rb_entry *cached_re, unsigned int ofs, |
3362 | struct rb_entry **prev_entry, struct rb_entry **next_entry, | |
3363 | struct rb_node ***insert_p, struct rb_node **insert_parent, | |
3364 | bool force); | |
4d57b86d | 3365 | bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info *sbi, |
df0f6b44 | 3366 | struct rb_root *root); |
cac5a3d8 DS |
3367 | unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink); |
3368 | bool f2fs_init_extent_tree(struct inode *inode, struct f2fs_extent *i_ext); | |
3369 | void f2fs_drop_extent_tree(struct inode *inode); | |
3370 | unsigned int f2fs_destroy_extent_node(struct inode *inode); | |
3371 | void f2fs_destroy_extent_tree(struct inode *inode); | |
3372 | bool f2fs_lookup_extent_cache(struct inode *inode, pgoff_t pgofs, | |
3373 | struct extent_info *ei); | |
3374 | void f2fs_update_extent_cache(struct dnode_of_data *dn); | |
19b2c30d | 3375 | void f2fs_update_extent_cache_range(struct dnode_of_data *dn, |
cac5a3d8 | 3376 | pgoff_t fofs, block_t blkaddr, unsigned int len); |
4d57b86d CY |
3377 | void f2fs_init_extent_cache_info(struct f2fs_sb_info *sbi); |
3378 | int __init f2fs_create_extent_cache(void); | |
3379 | void f2fs_destroy_extent_cache(void); | |
a28ef1f5 | 3380 | |
8ceffcb2 CY |
3381 | /* |
3382 | * sysfs.c | |
3383 | */ | |
dc6b2055 JK |
3384 | int __init f2fs_init_sysfs(void); |
3385 | void f2fs_exit_sysfs(void); | |
3386 | int f2fs_register_sysfs(struct f2fs_sb_info *sbi); | |
3387 | void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi); | |
8ceffcb2 | 3388 | |
cde4de12 JK |
3389 | /* |
3390 | * crypto support | |
3391 | */ | |
0b81d077 | 3392 | static inline bool f2fs_encrypted_inode(struct inode *inode) |
cde4de12 | 3393 | { |
cde4de12 | 3394 | return file_is_encrypt(inode); |
cde4de12 JK |
3395 | } |
3396 | ||
1958593e JK |
3397 | static inline bool f2fs_encrypted_file(struct inode *inode) |
3398 | { | |
3399 | return f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode); | |
3400 | } | |
3401 | ||
cde4de12 JK |
3402 | static inline void f2fs_set_encrypted_inode(struct inode *inode) |
3403 | { | |
3404 | #ifdef CONFIG_F2FS_FS_ENCRYPTION | |
3405 | file_set_encrypt(inode); | |
2ee6a576 | 3406 | inode->i_flags |= S_ENCRYPTED; |
cde4de12 JK |
3407 | #endif |
3408 | } | |
3409 | ||
6dbb1796 EB |
3410 | /* |
3411 | * Returns true if the reads of the inode's data need to undergo some | |
3412 | * postprocessing step, like decryption or authenticity verification. | |
3413 | */ | |
3414 | static inline bool f2fs_post_read_required(struct inode *inode) | |
cde4de12 | 3415 | { |
6dbb1796 | 3416 | return f2fs_encrypted_file(inode); |
cde4de12 JK |
3417 | } |
3418 | ||
ccd31cb2 SY |
3419 | #define F2FS_FEATURE_FUNCS(name, flagname) \ |
3420 | static inline int f2fs_sb_has_##name(struct super_block *sb) \ | |
3421 | { \ | |
3422 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_##flagname); \ | |
52763a4b JK |
3423 | } |
3424 | ||
ccd31cb2 SY |
3425 | F2FS_FEATURE_FUNCS(encrypt, ENCRYPT); |
3426 | F2FS_FEATURE_FUNCS(blkzoned, BLKZONED); | |
3427 | F2FS_FEATURE_FUNCS(extra_attr, EXTRA_ATTR); | |
3428 | F2FS_FEATURE_FUNCS(project_quota, PRJQUOTA); | |
3429 | F2FS_FEATURE_FUNCS(inode_chksum, INODE_CHKSUM); | |
3430 | F2FS_FEATURE_FUNCS(flexible_inline_xattr, FLEXIBLE_INLINE_XATTR); | |
3431 | F2FS_FEATURE_FUNCS(quota_ino, QUOTA_INO); | |
3432 | F2FS_FEATURE_FUNCS(inode_crtime, INODE_CRTIME); | |
b7c409de | 3433 | F2FS_FEATURE_FUNCS(lost_found, LOST_FOUND); |
1c1d35df | 3434 | |
178053e2 DLM |
3435 | #ifdef CONFIG_BLK_DEV_ZONED |
3436 | static inline int get_blkz_type(struct f2fs_sb_info *sbi, | |
3c62be17 | 3437 | struct block_device *bdev, block_t blkaddr) |
178053e2 DLM |
3438 | { |
3439 | unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz; | |
3c62be17 | 3440 | int i; |
178053e2 | 3441 | |
3c62be17 JK |
3442 | for (i = 0; i < sbi->s_ndevs; i++) |
3443 | if (FDEV(i).bdev == bdev) | |
3444 | return FDEV(i).blkz_type[zno]; | |
3445 | return -EINVAL; | |
178053e2 DLM |
3446 | } |
3447 | #endif | |
3448 | ||
7d20c8ab | 3449 | static inline bool f2fs_hw_should_discard(struct f2fs_sb_info *sbi) |
52763a4b | 3450 | { |
7d20c8ab CY |
3451 | return f2fs_sb_has_blkzoned(sbi->sb); |
3452 | } | |
96ba2dec | 3453 | |
7d20c8ab CY |
3454 | static inline bool f2fs_hw_support_discard(struct f2fs_sb_info *sbi) |
3455 | { | |
3456 | return blk_queue_discard(bdev_get_queue(sbi->sb->s_bdev)); | |
3457 | } | |
3458 | ||
3459 | static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info *sbi) | |
3460 | { | |
3461 | return (test_opt(sbi, DISCARD) && f2fs_hw_support_discard(sbi)) || | |
3462 | f2fs_hw_should_discard(sbi); | |
52763a4b JK |
3463 | } |
3464 | ||
3465 | static inline void set_opt_mode(struct f2fs_sb_info *sbi, unsigned int mt) | |
3466 | { | |
3467 | clear_opt(sbi, ADAPTIVE); | |
3468 | clear_opt(sbi, LFS); | |
3469 | ||
3470 | switch (mt) { | |
3471 | case F2FS_MOUNT_ADAPTIVE: | |
3472 | set_opt(sbi, ADAPTIVE); | |
3473 | break; | |
3474 | case F2FS_MOUNT_LFS: | |
3475 | set_opt(sbi, LFS); | |
3476 | break; | |
3477 | } | |
3478 | } | |
3479 | ||
fcc85a4d JK |
3480 | static inline bool f2fs_may_encrypt(struct inode *inode) |
3481 | { | |
3482 | #ifdef CONFIG_F2FS_FS_ENCRYPTION | |
886f56f9 | 3483 | umode_t mode = inode->i_mode; |
fcc85a4d JK |
3484 | |
3485 | return (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode)); | |
3486 | #else | |
6e45f2a5 | 3487 | return false; |
fcc85a4d JK |
3488 | #endif |
3489 | } | |
3490 | ||
b91050a8 HL |
3491 | static inline bool f2fs_force_buffered_io(struct inode *inode, int rw) |
3492 | { | |
6dbb1796 | 3493 | return (f2fs_post_read_required(inode) || |
b91050a8 HL |
3494 | (rw == WRITE && test_opt(F2FS_I_SB(inode), LFS)) || |
3495 | F2FS_I_SB(inode)->s_ndevs); | |
3496 | } | |
3497 | ||
83a3bfdb | 3498 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a CY |
3499 | extern void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate, |
3500 | unsigned int type); | |
83a3bfdb | 3501 | #else |
d494500a | 3502 | #define f2fs_build_fault_attr(sbi, rate, type) do { } while (0) |
83a3bfdb JK |
3503 | #endif |
3504 | ||
39a53e0c | 3505 | #endif |