Commit | Line | Data |
---|---|---|
0a8165d7 | 1 | /* |
39a53e0c JK |
2 | * fs/f2fs/f2fs.h |
3 | * | |
4 | * Copyright (c) 2012 Samsung Electronics Co., Ltd. | |
5 | * http://www.samsung.com/ | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | #ifndef _LINUX_F2FS_H | |
12 | #define _LINUX_F2FS_H | |
13 | ||
14 | #include <linux/types.h> | |
15 | #include <linux/page-flags.h> | |
16 | #include <linux/buffer_head.h> | |
39a53e0c JK |
17 | #include <linux/slab.h> |
18 | #include <linux/crc32.h> | |
19 | #include <linux/magic.h> | |
c2d715d1 | 20 | #include <linux/kobject.h> |
7bd59381 | 21 | #include <linux/sched.h> |
39307a8e | 22 | #include <linux/vmalloc.h> |
740432f8 | 23 | #include <linux/bio.h> |
d0239e1b | 24 | #include <linux/blkdev.h> |
0abd675e | 25 | #include <linux/quotaops.h> |
46f47e48 EB |
26 | #ifdef CONFIG_F2FS_FS_ENCRYPTION |
27 | #include <linux/fscrypt_supp.h> | |
28 | #else | |
29 | #include <linux/fscrypt_notsupp.h> | |
30 | #endif | |
43b6573b | 31 | #include <crypto/hash.h> |
39a53e0c | 32 | |
5d56b671 | 33 | #ifdef CONFIG_F2FS_CHECK_FS |
9850cf4a | 34 | #define f2fs_bug_on(sbi, condition) BUG_ON(condition) |
5d56b671 | 35 | #else |
9850cf4a JK |
36 | #define f2fs_bug_on(sbi, condition) \ |
37 | do { \ | |
38 | if (unlikely(condition)) { \ | |
39 | WARN_ON(1); \ | |
caf0047e | 40 | set_sbi_flag(sbi, SBI_NEED_FSCK); \ |
9850cf4a JK |
41 | } \ |
42 | } while (0) | |
5d56b671 JK |
43 | #endif |
44 | ||
2c63fead JK |
45 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
46 | enum { | |
47 | FAULT_KMALLOC, | |
c41f3cc3 | 48 | FAULT_PAGE_ALLOC, |
01eccef7 | 49 | FAULT_PAGE_GET, |
d62fe971 | 50 | FAULT_ALLOC_BIO, |
cb78942b JK |
51 | FAULT_ALLOC_NID, |
52 | FAULT_ORPHAN, | |
53 | FAULT_BLOCK, | |
54 | FAULT_DIR_DEPTH, | |
53aa6bbf | 55 | FAULT_EVICT_INODE, |
14b44d23 | 56 | FAULT_TRUNCATE, |
8b038c70 | 57 | FAULT_IO, |
0f348028 | 58 | FAULT_CHECKPOINT, |
2c63fead JK |
59 | FAULT_MAX, |
60 | }; | |
61 | ||
08796897 SY |
62 | struct f2fs_fault_info { |
63 | atomic_t inject_ops; | |
64 | unsigned int inject_rate; | |
65 | unsigned int inject_type; | |
66 | }; | |
67 | ||
2c63fead | 68 | extern char *fault_name[FAULT_MAX]; |
68afcf2d | 69 | #define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type))) |
2c63fead JK |
70 | #endif |
71 | ||
39a53e0c JK |
72 | /* |
73 | * For mount options | |
74 | */ | |
75 | #define F2FS_MOUNT_BG_GC 0x00000001 | |
76 | #define F2FS_MOUNT_DISABLE_ROLL_FORWARD 0x00000002 | |
77 | #define F2FS_MOUNT_DISCARD 0x00000004 | |
78 | #define F2FS_MOUNT_NOHEAP 0x00000008 | |
79 | #define F2FS_MOUNT_XATTR_USER 0x00000010 | |
80 | #define F2FS_MOUNT_POSIX_ACL 0x00000020 | |
81 | #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040 | |
444c580f | 82 | #define F2FS_MOUNT_INLINE_XATTR 0x00000080 |
1001b347 | 83 | #define F2FS_MOUNT_INLINE_DATA 0x00000100 |
34d67deb CY |
84 | #define F2FS_MOUNT_INLINE_DENTRY 0x00000200 |
85 | #define F2FS_MOUNT_FLUSH_MERGE 0x00000400 | |
86 | #define F2FS_MOUNT_NOBARRIER 0x00000800 | |
d5053a34 | 87 | #define F2FS_MOUNT_FASTBOOT 0x00001000 |
89672159 | 88 | #define F2FS_MOUNT_EXTENT_CACHE 0x00002000 |
6aefd93b | 89 | #define F2FS_MOUNT_FORCE_FG_GC 0x00004000 |
343f40f0 | 90 | #define F2FS_MOUNT_DATA_FLUSH 0x00008000 |
73faec4d | 91 | #define F2FS_MOUNT_FAULT_INJECTION 0x00010000 |
36abef4e JK |
92 | #define F2FS_MOUNT_ADAPTIVE 0x00020000 |
93 | #define F2FS_MOUNT_LFS 0x00040000 | |
0abd675e CY |
94 | #define F2FS_MOUNT_USRQUOTA 0x00080000 |
95 | #define F2FS_MOUNT_GRPQUOTA 0x00100000 | |
5c57132e | 96 | #define F2FS_MOUNT_PRJQUOTA 0x00200000 |
4b2414d0 | 97 | #define F2FS_MOUNT_QUOTA 0x00400000 |
6afc662e | 98 | #define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00800000 |
39a53e0c | 99 | |
68afcf2d TK |
100 | #define clear_opt(sbi, option) ((sbi)->mount_opt.opt &= ~F2FS_MOUNT_##option) |
101 | #define set_opt(sbi, option) ((sbi)->mount_opt.opt |= F2FS_MOUNT_##option) | |
102 | #define test_opt(sbi, option) ((sbi)->mount_opt.opt & F2FS_MOUNT_##option) | |
39a53e0c JK |
103 | |
104 | #define ver_after(a, b) (typecheck(unsigned long long, a) && \ | |
105 | typecheck(unsigned long long, b) && \ | |
106 | ((long long)((a) - (b)) > 0)) | |
107 | ||
a9841c4d JK |
108 | typedef u32 block_t; /* |
109 | * should not change u32, since it is the on-disk block | |
110 | * address format, __le32. | |
111 | */ | |
39a53e0c JK |
112 | typedef u32 nid_t; |
113 | ||
114 | struct f2fs_mount_info { | |
115 | unsigned int opt; | |
116 | }; | |
117 | ||
7a2af766 CY |
118 | #define F2FS_FEATURE_ENCRYPT 0x0001 |
119 | #define F2FS_FEATURE_BLKZONED 0x0002 | |
120 | #define F2FS_FEATURE_ATOMIC_WRITE 0x0004 | |
121 | #define F2FS_FEATURE_EXTRA_ATTR 0x0008 | |
5c57132e | 122 | #define F2FS_FEATURE_PRJQUOTA 0x0010 |
704956ec | 123 | #define F2FS_FEATURE_INODE_CHKSUM 0x0020 |
6afc662e | 124 | #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040 |
234a9689 | 125 | #define F2FS_FEATURE_QUOTA_INO 0x0080 |
cde4de12 | 126 | |
76f105a2 JK |
127 | #define F2FS_HAS_FEATURE(sb, mask) \ |
128 | ((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0) | |
129 | #define F2FS_SET_FEATURE(sb, mask) \ | |
c64ab12e | 130 | (F2FS_SB(sb)->raw_super->feature |= cpu_to_le32(mask)) |
76f105a2 | 131 | #define F2FS_CLEAR_FEATURE(sb, mask) \ |
c64ab12e | 132 | (F2FS_SB(sb)->raw_super->feature &= ~cpu_to_le32(mask)) |
76f105a2 | 133 | |
39a53e0c JK |
134 | /* |
135 | * For checkpoint manager | |
136 | */ | |
137 | enum { | |
138 | NAT_BITMAP, | |
139 | SIT_BITMAP | |
140 | }; | |
141 | ||
c473f1a9 CY |
142 | #define CP_UMOUNT 0x00000001 |
143 | #define CP_FASTBOOT 0x00000002 | |
144 | #define CP_SYNC 0x00000004 | |
145 | #define CP_RECOVERY 0x00000008 | |
146 | #define CP_DISCARD 0x00000010 | |
1f43e2ad | 147 | #define CP_TRIMMED 0x00000020 |
75ab4cb8 | 148 | |
47b89808 | 149 | #define DEF_BATCHED_TRIM_SECTIONS 2048 |
bba681cb | 150 | #define BATCHED_TRIM_SEGMENTS(sbi) \ |
4ddb1a4d | 151 | (GET_SEG_FROM_SEC(sbi, SM_I(sbi)->trim_sections)) |
a66cdd98 JK |
152 | #define BATCHED_TRIM_BLOCKS(sbi) \ |
153 | (BATCHED_TRIM_SEGMENTS(sbi) << (sbi)->log_blocks_per_seg) | |
4ddb1a4d | 154 | #define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi) |
ecc9aa00 | 155 | #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */ |
969d1b18 CY |
156 | #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */ |
157 | #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */ | |
60b99b48 | 158 | #define DEF_CP_INTERVAL 60 /* 60 secs */ |
dcf25fe8 | 159 | #define DEF_IDLE_INTERVAL 5 /* 5 secs */ |
bba681cb | 160 | |
75ab4cb8 JK |
161 | struct cp_control { |
162 | int reason; | |
4b2fecc8 JK |
163 | __u64 trim_start; |
164 | __u64 trim_end; | |
165 | __u64 trim_minlen; | |
75ab4cb8 JK |
166 | }; |
167 | ||
662befda | 168 | /* |
81c1a0f1 | 169 | * For CP/NAT/SIT/SSA readahead |
662befda CY |
170 | */ |
171 | enum { | |
172 | META_CP, | |
173 | META_NAT, | |
81c1a0f1 | 174 | META_SIT, |
4c521f49 JK |
175 | META_SSA, |
176 | META_POR, | |
662befda CY |
177 | }; |
178 | ||
6451e041 JK |
179 | /* for the list of ino */ |
180 | enum { | |
181 | ORPHAN_INO, /* for orphan ino list */ | |
fff04f90 JK |
182 | APPEND_INO, /* for append ino list */ |
183 | UPDATE_INO, /* for update ino list */ | |
39d787be | 184 | FLUSH_INO, /* for multiple device flushing */ |
6451e041 JK |
185 | MAX_INO_ENTRY, /* max. list */ |
186 | }; | |
187 | ||
188 | struct ino_entry { | |
39d787be CY |
189 | struct list_head list; /* list head */ |
190 | nid_t ino; /* inode number */ | |
191 | unsigned int dirty_device; /* dirty device bitmap */ | |
39a53e0c JK |
192 | }; |
193 | ||
2710fd7e | 194 | /* for the list of inodes to be GCed */ |
06292073 | 195 | struct inode_entry { |
39a53e0c JK |
196 | struct list_head list; /* list head */ |
197 | struct inode *inode; /* vfs inode pointer */ | |
198 | }; | |
199 | ||
a7eeb823 | 200 | /* for the bitmap indicate blocks to be discarded */ |
7fd9e544 JK |
201 | struct discard_entry { |
202 | struct list_head list; /* list head */ | |
a7eeb823 CY |
203 | block_t start_blkaddr; /* start blockaddr of current segment */ |
204 | unsigned char discard_map[SIT_VBLOCK_MAP_SIZE]; /* segment discard bitmap */ | |
7fd9e544 JK |
205 | }; |
206 | ||
969d1b18 CY |
207 | /* default discard granularity of inner discard thread, unit: block count */ |
208 | #define DEFAULT_DISCARD_GRANULARITY 16 | |
209 | ||
ba48a33e CY |
210 | /* max discard pend list number */ |
211 | #define MAX_PLIST_NUM 512 | |
212 | #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \ | |
213 | (MAX_PLIST_NUM - 1) : (blk_num - 1)) | |
214 | ||
15469963 JK |
215 | enum { |
216 | D_PREP, | |
217 | D_SUBMIT, | |
218 | D_DONE, | |
219 | }; | |
220 | ||
004b6862 CY |
221 | struct discard_info { |
222 | block_t lstart; /* logical start address */ | |
223 | block_t len; /* length */ | |
224 | block_t start; /* actual start address in dev */ | |
225 | }; | |
226 | ||
b01a9201 | 227 | struct discard_cmd { |
004b6862 CY |
228 | struct rb_node rb_node; /* rb node located in rb-tree */ |
229 | union { | |
230 | struct { | |
231 | block_t lstart; /* logical start address */ | |
232 | block_t len; /* length */ | |
233 | block_t start; /* actual start address in dev */ | |
234 | }; | |
235 | struct discard_info di; /* discard info */ | |
236 | ||
237 | }; | |
b01a9201 JK |
238 | struct list_head list; /* command list */ |
239 | struct completion wait; /* compleation */ | |
c81abe34 | 240 | struct block_device *bdev; /* bdev */ |
ec9895ad | 241 | unsigned short ref; /* reference count */ |
9a744b92 | 242 | unsigned char state; /* state */ |
c81abe34 | 243 | int error; /* bio error */ |
275b66b0 CY |
244 | }; |
245 | ||
78997b56 CY |
246 | enum { |
247 | DPOLICY_BG, | |
248 | DPOLICY_FORCE, | |
249 | DPOLICY_FSTRIM, | |
250 | DPOLICY_UMOUNT, | |
251 | MAX_DPOLICY, | |
252 | }; | |
253 | ||
ecc9aa00 | 254 | struct discard_policy { |
78997b56 | 255 | int type; /* type of discard */ |
ecc9aa00 CY |
256 | unsigned int min_interval; /* used for candidates exist */ |
257 | unsigned int max_interval; /* used for candidates not exist */ | |
258 | unsigned int max_requests; /* # of discards issued per round */ | |
259 | unsigned int io_aware_gran; /* minimum granularity discard not be aware of I/O */ | |
260 | bool io_aware; /* issue discard in idle time */ | |
261 | bool sync; /* submit discard with REQ_SYNC flag */ | |
78997b56 | 262 | unsigned int granularity; /* discard granularity */ |
ecc9aa00 CY |
263 | }; |
264 | ||
0b54fb84 | 265 | struct discard_cmd_control { |
15469963 | 266 | struct task_struct *f2fs_issue_discard; /* discard thread */ |
46f84c2c | 267 | struct list_head entry_list; /* 4KB discard entry list */ |
ba48a33e | 268 | struct list_head pend_list[MAX_PLIST_NUM];/* store pending entries */ |
969d1b18 | 269 | unsigned char pend_list_tag[MAX_PLIST_NUM];/* tag for pending entries */ |
46f84c2c | 270 | struct list_head wait_list; /* store on-flushing entries */ |
8412663d | 271 | struct list_head fstrim_list; /* in-flight discard from fstrim */ |
15469963 | 272 | wait_queue_head_t discard_wait_queue; /* waiting queue for wake-up */ |
969d1b18 | 273 | unsigned int discard_wake; /* to wake up discard thread */ |
15469963 | 274 | struct mutex cmd_lock; |
d618ebaf CY |
275 | unsigned int nr_discards; /* # of discards in the list */ |
276 | unsigned int max_discards; /* max. discards to be issued */ | |
969d1b18 | 277 | unsigned int discard_granularity; /* discard granularity */ |
d84d1cbd | 278 | unsigned int undiscard_blks; /* # of undiscard blocks */ |
8b8dd65f CY |
279 | atomic_t issued_discard; /* # of issued discard */ |
280 | atomic_t issing_discard; /* # of issing discard */ | |
5f32366a | 281 | atomic_t discard_cmd_cnt; /* # of cached cmd count */ |
004b6862 | 282 | struct rb_root root; /* root of discard rb-tree */ |
275b66b0 CY |
283 | }; |
284 | ||
39a53e0c JK |
285 | /* for the list of fsync inodes, used only during recovery */ |
286 | struct fsync_inode_entry { | |
287 | struct list_head list; /* list head */ | |
288 | struct inode *inode; /* vfs inode pointer */ | |
c52e1b10 JK |
289 | block_t blkaddr; /* block address locating the last fsync */ |
290 | block_t last_dentry; /* block address locating the last dentry */ | |
39a53e0c JK |
291 | }; |
292 | ||
68afcf2d TK |
293 | #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats)) |
294 | #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits)) | |
39a53e0c | 295 | |
68afcf2d TK |
296 | #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne) |
297 | #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid) | |
298 | #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se) | |
299 | #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno) | |
39a53e0c | 300 | |
dfc08a12 CY |
301 | #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl)) |
302 | #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl)) | |
309cc2b6 | 303 | |
dfc08a12 | 304 | static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i) |
39a53e0c | 305 | { |
dfc08a12 | 306 | int before = nats_in_cursum(journal); |
cac5a3d8 | 307 | |
dfc08a12 | 308 | journal->n_nats = cpu_to_le16(before + i); |
39a53e0c JK |
309 | return before; |
310 | } | |
311 | ||
dfc08a12 | 312 | static inline int update_sits_in_cursum(struct f2fs_journal *journal, int i) |
39a53e0c | 313 | { |
dfc08a12 | 314 | int before = sits_in_cursum(journal); |
cac5a3d8 | 315 | |
dfc08a12 | 316 | journal->n_sits = cpu_to_le16(before + i); |
39a53e0c JK |
317 | return before; |
318 | } | |
319 | ||
dfc08a12 CY |
320 | static inline bool __has_cursum_space(struct f2fs_journal *journal, |
321 | int size, int type) | |
184a5cd2 CY |
322 | { |
323 | if (type == NAT_JOURNAL) | |
dfc08a12 CY |
324 | return size <= MAX_NAT_JENTRIES(journal); |
325 | return size <= MAX_SIT_JENTRIES(journal); | |
184a5cd2 CY |
326 | } |
327 | ||
e9750824 NJ |
328 | /* |
329 | * ioctl commands | |
330 | */ | |
88b88a66 JK |
331 | #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS |
332 | #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS | |
d49f3e89 | 333 | #define F2FS_IOC_GETVERSION FS_IOC_GETVERSION |
88b88a66 JK |
334 | |
335 | #define F2FS_IOCTL_MAGIC 0xf5 | |
336 | #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1) | |
337 | #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2) | |
02a1335f | 338 | #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3) |
1e84371f JK |
339 | #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4) |
340 | #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5) | |
d07efb50 | 341 | #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32) |
456b88e4 | 342 | #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7) |
d07efb50 JK |
343 | #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \ |
344 | struct f2fs_defragment) | |
4dd6f977 JK |
345 | #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \ |
346 | struct f2fs_move_range) | |
e066b83c JK |
347 | #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \ |
348 | struct f2fs_flush_device) | |
34dc77ad JK |
349 | #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \ |
350 | struct f2fs_gc_range) | |
e65ef207 | 351 | #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32) |
e9750824 | 352 | |
0b81d077 JK |
353 | #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY |
354 | #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY | |
355 | #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT | |
f424f664 | 356 | |
1abff93d JK |
357 | /* |
358 | * should be same as XFS_IOC_GOINGDOWN. | |
359 | * Flags for going down operation used by FS_IOC_GOINGDOWN | |
360 | */ | |
361 | #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */ | |
362 | #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */ | |
363 | #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */ | |
364 | #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */ | |
c912a829 | 365 | #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */ |
1abff93d | 366 | |
e9750824 NJ |
367 | #if defined(__KERNEL__) && defined(CONFIG_COMPAT) |
368 | /* | |
369 | * ioctl commands in 32 bit emulation | |
370 | */ | |
04ef4b62 CY |
371 | #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS |
372 | #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS | |
373 | #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION | |
e9750824 NJ |
374 | #endif |
375 | ||
2c1d0305 CY |
376 | #define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR |
377 | #define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR | |
378 | ||
34dc77ad JK |
379 | struct f2fs_gc_range { |
380 | u32 sync; | |
381 | u64 start; | |
382 | u64 len; | |
383 | }; | |
384 | ||
d323d005 CY |
385 | struct f2fs_defragment { |
386 | u64 start; | |
387 | u64 len; | |
388 | }; | |
389 | ||
4dd6f977 JK |
390 | struct f2fs_move_range { |
391 | u32 dst_fd; /* destination fd */ | |
392 | u64 pos_in; /* start position in src_fd */ | |
393 | u64 pos_out; /* start position in dst_fd */ | |
394 | u64 len; /* size to move */ | |
395 | }; | |
396 | ||
e066b83c JK |
397 | struct f2fs_flush_device { |
398 | u32 dev_num; /* device number to flush */ | |
399 | u32 segments; /* # of segments to flush */ | |
400 | }; | |
401 | ||
f2470371 CY |
402 | /* for inline stuff */ |
403 | #define DEF_INLINE_RESERVED_SIZE 1 | |
6afc662e | 404 | #define DEF_MIN_INLINE_SIZE 1 |
7a2af766 | 405 | static inline int get_extra_isize(struct inode *inode); |
6afc662e CY |
406 | static inline int get_inline_xattr_addrs(struct inode *inode); |
407 | #define F2FS_INLINE_XATTR_ADDRS(inode) get_inline_xattr_addrs(inode) | |
408 | #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \ | |
409 | (CUR_ADDRS_PER_INODE(inode) - \ | |
410 | F2FS_INLINE_XATTR_ADDRS(inode) - \ | |
411 | DEF_INLINE_RESERVED_SIZE)) | |
f2470371 CY |
412 | |
413 | /* for inline dir */ | |
414 | #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \ | |
415 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
416 | BITS_PER_BYTE + 1)) | |
417 | #define INLINE_DENTRY_BITMAP_SIZE(inode) ((NR_INLINE_DENTRY(inode) + \ | |
418 | BITS_PER_BYTE - 1) / BITS_PER_BYTE) | |
419 | #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \ | |
420 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
421 | NR_INLINE_DENTRY(inode) + \ | |
422 | INLINE_DENTRY_BITMAP_SIZE(inode))) | |
423 | ||
39a53e0c JK |
424 | /* |
425 | * For INODE and NODE manager | |
426 | */ | |
7b3cd7d6 JK |
427 | /* for directory operations */ |
428 | struct f2fs_dentry_ptr { | |
d8c6822a | 429 | struct inode *inode; |
76a9dd85 | 430 | void *bitmap; |
7b3cd7d6 JK |
431 | struct f2fs_dir_entry *dentry; |
432 | __u8 (*filename)[F2FS_SLOT_LEN]; | |
433 | int max; | |
76a9dd85 | 434 | int nr_bitmap; |
7b3cd7d6 JK |
435 | }; |
436 | ||
64c24ecb TK |
437 | static inline void make_dentry_ptr_block(struct inode *inode, |
438 | struct f2fs_dentry_ptr *d, struct f2fs_dentry_block *t) | |
7b3cd7d6 | 439 | { |
d8c6822a | 440 | d->inode = inode; |
64c24ecb | 441 | d->max = NR_DENTRY_IN_BLOCK; |
76a9dd85 | 442 | d->nr_bitmap = SIZE_OF_DENTRY_BITMAP; |
64c24ecb TK |
443 | d->bitmap = &t->dentry_bitmap; |
444 | d->dentry = t->dentry; | |
445 | d->filename = t->filename; | |
446 | } | |
d8c6822a | 447 | |
64c24ecb | 448 | static inline void make_dentry_ptr_inline(struct inode *inode, |
f2470371 | 449 | struct f2fs_dentry_ptr *d, void *t) |
64c24ecb | 450 | { |
f2470371 CY |
451 | int entry_cnt = NR_INLINE_DENTRY(inode); |
452 | int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode); | |
453 | int reserved_size = INLINE_RESERVED_SIZE(inode); | |
454 | ||
64c24ecb | 455 | d->inode = inode; |
f2470371 CY |
456 | d->max = entry_cnt; |
457 | d->nr_bitmap = bitmap_size; | |
458 | d->bitmap = t; | |
459 | d->dentry = t + bitmap_size + reserved_size; | |
460 | d->filename = t + bitmap_size + reserved_size + | |
461 | SIZE_OF_DIR_ENTRY * entry_cnt; | |
7b3cd7d6 JK |
462 | } |
463 | ||
dbe6a5ff JK |
464 | /* |
465 | * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1 | |
466 | * as its node offset to distinguish from index node blocks. | |
467 | * But some bits are used to mark the node block. | |
468 | */ | |
469 | #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \ | |
470 | >> OFFSET_BIT_SHIFT) | |
266e97a8 JK |
471 | enum { |
472 | ALLOC_NODE, /* allocate a new node page if needed */ | |
473 | LOOKUP_NODE, /* look up a node without readahead */ | |
474 | LOOKUP_NODE_RA, /* | |
475 | * look up a node with readahead called | |
4f4124d0 | 476 | * by get_data_block. |
39a53e0c | 477 | */ |
266e97a8 JK |
478 | }; |
479 | ||
a6db67f0 | 480 | #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */ |
39a53e0c | 481 | |
817202d9 CY |
482 | #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */ |
483 | ||
13054c54 CY |
484 | /* vector size for gang look-up from extent cache that consists of radix tree */ |
485 | #define EXT_TREE_VEC_SIZE 64 | |
486 | ||
39a53e0c | 487 | /* for in-memory extent cache entry */ |
13054c54 CY |
488 | #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */ |
489 | ||
490 | /* number of extent info in extent cache we try to shrink */ | |
491 | #define EXTENT_CACHE_SHRINK_NUMBER 128 | |
c11abd1a | 492 | |
54c2258c CY |
493 | struct rb_entry { |
494 | struct rb_node rb_node; /* rb node located in rb-tree */ | |
495 | unsigned int ofs; /* start offset of the entry */ | |
496 | unsigned int len; /* length of the entry */ | |
497 | }; | |
498 | ||
39a53e0c | 499 | struct extent_info { |
13054c54 | 500 | unsigned int fofs; /* start offset in a file */ |
13054c54 | 501 | unsigned int len; /* length of the extent */ |
54c2258c | 502 | u32 blk; /* start block address of the extent */ |
13054c54 CY |
503 | }; |
504 | ||
505 | struct extent_node { | |
54c2258c CY |
506 | struct rb_node rb_node; |
507 | union { | |
508 | struct { | |
509 | unsigned int fofs; | |
510 | unsigned int len; | |
511 | u32 blk; | |
512 | }; | |
513 | struct extent_info ei; /* extent info */ | |
514 | ||
515 | }; | |
13054c54 | 516 | struct list_head list; /* node in global extent list of sbi */ |
201ef5e0 | 517 | struct extent_tree *et; /* extent tree pointer */ |
13054c54 CY |
518 | }; |
519 | ||
520 | struct extent_tree { | |
521 | nid_t ino; /* inode number */ | |
522 | struct rb_root root; /* root of extent info rb-tree */ | |
62c8af65 | 523 | struct extent_node *cached_en; /* recently accessed extent node */ |
3e72f721 | 524 | struct extent_info largest; /* largested extent info */ |
137d09f0 | 525 | struct list_head list; /* to be used by sbi->zombie_list */ |
13054c54 | 526 | rwlock_t lock; /* protect extent info rb-tree */ |
68e35385 | 527 | atomic_t node_cnt; /* # of extent node in rb-tree*/ |
39a53e0c JK |
528 | }; |
529 | ||
003a3e1d JK |
530 | /* |
531 | * This structure is taken from ext4_map_blocks. | |
532 | * | |
533 | * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks(). | |
534 | */ | |
535 | #define F2FS_MAP_NEW (1 << BH_New) | |
536 | #define F2FS_MAP_MAPPED (1 << BH_Mapped) | |
7f63eb77 JK |
537 | #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten) |
538 | #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\ | |
539 | F2FS_MAP_UNWRITTEN) | |
003a3e1d JK |
540 | |
541 | struct f2fs_map_blocks { | |
542 | block_t m_pblk; | |
543 | block_t m_lblk; | |
544 | unsigned int m_len; | |
545 | unsigned int m_flags; | |
da85985c | 546 | pgoff_t *m_next_pgofs; /* point next possible non-hole pgofs */ |
003a3e1d JK |
547 | }; |
548 | ||
e2b4e2bc | 549 | /* for flag in get_data_block */ |
f2220c7f QS |
550 | enum { |
551 | F2FS_GET_BLOCK_DEFAULT, | |
552 | F2FS_GET_BLOCK_FIEMAP, | |
553 | F2FS_GET_BLOCK_BMAP, | |
554 | F2FS_GET_BLOCK_PRE_DIO, | |
555 | F2FS_GET_BLOCK_PRE_AIO, | |
556 | }; | |
e2b4e2bc | 557 | |
39a53e0c JK |
558 | /* |
559 | * i_advise uses FADVISE_XXX_BIT. We can add additional hints later. | |
560 | */ | |
561 | #define FADVISE_COLD_BIT 0x01 | |
354a3399 | 562 | #define FADVISE_LOST_PINO_BIT 0x02 |
cde4de12 | 563 | #define FADVISE_ENCRYPT_BIT 0x04 |
e7d55452 | 564 | #define FADVISE_ENC_NAME_BIT 0x08 |
26787236 | 565 | #define FADVISE_KEEP_SIZE_BIT 0x10 |
39a53e0c | 566 | |
b5492af7 JK |
567 | #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT) |
568 | #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT) | |
569 | #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT) | |
570 | #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT) | |
571 | #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT) | |
572 | #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT) | |
cde4de12 JK |
573 | #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT) |
574 | #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT) | |
575 | #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT) | |
e7d55452 JK |
576 | #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT) |
577 | #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT) | |
26787236 JK |
578 | #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT) |
579 | #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT) | |
cde4de12 | 580 | |
ab9fa662 JK |
581 | #define DEF_DIR_LEVEL 0 |
582 | ||
39a53e0c JK |
583 | struct f2fs_inode_info { |
584 | struct inode vfs_inode; /* serve a vfs inode */ | |
585 | unsigned long i_flags; /* keep an inode flags for ioctl */ | |
586 | unsigned char i_advise; /* use to give file attribute hints */ | |
38431545 | 587 | unsigned char i_dir_level; /* use for dentry level for large dir */ |
39a53e0c | 588 | unsigned int i_current_depth; /* use only in directory structure */ |
6666e6aa | 589 | unsigned int i_pino; /* parent inode number */ |
39a53e0c JK |
590 | umode_t i_acl_mode; /* keep file acl mode temporarily */ |
591 | ||
592 | /* Use below internally in f2fs*/ | |
593 | unsigned long flags; /* use to pass per-file flags */ | |
d928bfbf | 594 | struct rw_semaphore i_sem; /* protect fi info */ |
204706c7 | 595 | atomic_t dirty_pages; /* # of dirty pages */ |
39a53e0c JK |
596 | f2fs_hash_t chash; /* hash value of given file name */ |
597 | unsigned int clevel; /* maximum level of given file name */ | |
88c5c13a | 598 | struct task_struct *task; /* lookup and create consistency */ |
b0af6d49 | 599 | struct task_struct *cp_task; /* separate cp/wb IO stats*/ |
39a53e0c | 600 | nid_t i_xattr_nid; /* node id that contains xattrs */ |
26de9b11 | 601 | loff_t last_disk_size; /* lastly written file size */ |
88b88a66 | 602 | |
0abd675e CY |
603 | #ifdef CONFIG_QUOTA |
604 | struct dquot *i_dquot[MAXQUOTAS]; | |
605 | ||
606 | /* quota space reservation, managed internally by quota code */ | |
607 | qsize_t i_reserved_quota; | |
608 | #endif | |
0f18b462 JK |
609 | struct list_head dirty_list; /* dirty list for dirs and files */ |
610 | struct list_head gdirty_list; /* linked in global dirty list */ | |
57864ae5 | 611 | struct list_head inmem_ilist; /* list for inmem inodes */ |
88b88a66 | 612 | struct list_head inmem_pages; /* inmemory pages managed by f2fs */ |
7a10f017 | 613 | struct task_struct *inmem_task; /* store inmemory task */ |
88b88a66 | 614 | struct mutex inmem_lock; /* lock for inmemory pages */ |
3e72f721 | 615 | struct extent_tree *extent_tree; /* cached extent_tree entry */ |
82e0a5aa | 616 | struct rw_semaphore dio_rwsem[2];/* avoid racing between dio and gc */ |
5a3a2d83 | 617 | struct rw_semaphore i_mmap_sem; |
27161f13 | 618 | struct rw_semaphore i_xattr_sem; /* avoid racing between reading and changing EAs */ |
f2470371 | 619 | |
7a2af766 | 620 | int i_extra_isize; /* size of extra space located in i_addr */ |
5c57132e | 621 | kprojid_t i_projid; /* id for project quota */ |
6afc662e | 622 | int i_inline_xattr_size; /* inline xattr size */ |
39a53e0c JK |
623 | }; |
624 | ||
625 | static inline void get_extent_info(struct extent_info *ext, | |
bd933d4f | 626 | struct f2fs_extent *i_ext) |
39a53e0c | 627 | { |
bd933d4f CY |
628 | ext->fofs = le32_to_cpu(i_ext->fofs); |
629 | ext->blk = le32_to_cpu(i_ext->blk); | |
630 | ext->len = le32_to_cpu(i_ext->len); | |
39a53e0c JK |
631 | } |
632 | ||
633 | static inline void set_raw_extent(struct extent_info *ext, | |
634 | struct f2fs_extent *i_ext) | |
635 | { | |
39a53e0c | 636 | i_ext->fofs = cpu_to_le32(ext->fofs); |
4d0b0bd4 | 637 | i_ext->blk = cpu_to_le32(ext->blk); |
39a53e0c | 638 | i_ext->len = cpu_to_le32(ext->len); |
39a53e0c JK |
639 | } |
640 | ||
429511cd CY |
641 | static inline void set_extent_info(struct extent_info *ei, unsigned int fofs, |
642 | u32 blk, unsigned int len) | |
643 | { | |
644 | ei->fofs = fofs; | |
645 | ei->blk = blk; | |
646 | ei->len = len; | |
647 | } | |
648 | ||
004b6862 CY |
649 | static inline bool __is_discard_mergeable(struct discard_info *back, |
650 | struct discard_info *front) | |
651 | { | |
652 | return back->lstart + back->len == front->lstart; | |
653 | } | |
654 | ||
655 | static inline bool __is_discard_back_mergeable(struct discard_info *cur, | |
656 | struct discard_info *back) | |
657 | { | |
658 | return __is_discard_mergeable(back, cur); | |
659 | } | |
660 | ||
661 | static inline bool __is_discard_front_mergeable(struct discard_info *cur, | |
662 | struct discard_info *front) | |
663 | { | |
664 | return __is_discard_mergeable(cur, front); | |
665 | } | |
666 | ||
429511cd CY |
667 | static inline bool __is_extent_mergeable(struct extent_info *back, |
668 | struct extent_info *front) | |
669 | { | |
670 | return (back->fofs + back->len == front->fofs && | |
671 | back->blk + back->len == front->blk); | |
672 | } | |
673 | ||
674 | static inline bool __is_back_mergeable(struct extent_info *cur, | |
675 | struct extent_info *back) | |
676 | { | |
677 | return __is_extent_mergeable(back, cur); | |
678 | } | |
679 | ||
680 | static inline bool __is_front_mergeable(struct extent_info *cur, | |
681 | struct extent_info *front) | |
682 | { | |
683 | return __is_extent_mergeable(cur, front); | |
684 | } | |
685 | ||
cac5a3d8 | 686 | extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync); |
205b9822 JK |
687 | static inline void __try_update_largest_extent(struct inode *inode, |
688 | struct extent_tree *et, struct extent_node *en) | |
4abd3f5a | 689 | { |
205b9822 | 690 | if (en->ei.len > et->largest.len) { |
4abd3f5a | 691 | et->largest = en->ei; |
7c45729a | 692 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 | 693 | } |
4abd3f5a CY |
694 | } |
695 | ||
9a4ffdf5 CY |
696 | /* |
697 | * For free nid management | |
698 | */ | |
699 | enum nid_state { | |
700 | FREE_NID, /* newly added to free nid list */ | |
701 | PREALLOC_NID, /* it is preallocated */ | |
702 | MAX_NID_STATE, | |
b8559dc2 CY |
703 | }; |
704 | ||
39a53e0c JK |
705 | struct f2fs_nm_info { |
706 | block_t nat_blkaddr; /* base disk address of NAT */ | |
707 | nid_t max_nid; /* maximum possible node ids */ | |
04d47e67 | 708 | nid_t available_nids; /* # of available node ids */ |
39a53e0c | 709 | nid_t next_scan_nid; /* the next nid to be scanned */ |
cdfc41c1 | 710 | unsigned int ram_thresh; /* control the memory footprint */ |
ea1a29a0 | 711 | unsigned int ra_nid_pages; /* # of nid pages to be readaheaded */ |
2304cb0c | 712 | unsigned int dirty_nats_ratio; /* control dirty nats ratio threshold */ |
39a53e0c JK |
713 | |
714 | /* NAT cache management */ | |
715 | struct radix_tree_root nat_root;/* root of the nat entry cache */ | |
309cc2b6 | 716 | struct radix_tree_root nat_set_root;/* root of the nat set cache */ |
b873b798 | 717 | struct rw_semaphore nat_tree_lock; /* protect nat_tree_lock */ |
39a53e0c | 718 | struct list_head nat_entries; /* cached nat entry list (clean) */ |
309cc2b6 | 719 | unsigned int nat_cnt; /* the # of cached nat entries */ |
aec71382 | 720 | unsigned int dirty_nat_cnt; /* total num of nat entries in set */ |
22ad0b6a | 721 | unsigned int nat_blocks; /* # of nat blocks */ |
39a53e0c JK |
722 | |
723 | /* free node ids management */ | |
8a7ed66a | 724 | struct radix_tree_root free_nid_root;/* root of the free_nid cache */ |
9a4ffdf5 CY |
725 | struct list_head free_nid_list; /* list for free nids excluding preallocated nids */ |
726 | unsigned int nid_cnt[MAX_NID_STATE]; /* the number of free node id */ | |
b8559dc2 | 727 | spinlock_t nid_list_lock; /* protect nid lists ops */ |
39a53e0c | 728 | struct mutex build_lock; /* lock for build free nids */ |
4ac91242 CY |
729 | unsigned char (*free_nid_bitmap)[NAT_ENTRY_BITMAP_SIZE]; |
730 | unsigned char *nat_block_bitmap; | |
586d1492 | 731 | unsigned short *free_nid_count; /* free nid count of NAT block */ |
39a53e0c JK |
732 | |
733 | /* for checkpoint */ | |
734 | char *nat_bitmap; /* NAT bitmap pointer */ | |
22ad0b6a JK |
735 | |
736 | unsigned int nat_bits_blocks; /* # of nat bits blocks */ | |
737 | unsigned char *nat_bits; /* NAT bits blocks */ | |
738 | unsigned char *full_nat_bits; /* full NAT pages */ | |
739 | unsigned char *empty_nat_bits; /* empty NAT pages */ | |
599a09b2 CY |
740 | #ifdef CONFIG_F2FS_CHECK_FS |
741 | char *nat_bitmap_mir; /* NAT bitmap mirror */ | |
742 | #endif | |
39a53e0c JK |
743 | int bitmap_size; /* bitmap size */ |
744 | }; | |
745 | ||
746 | /* | |
747 | * this structure is used as one of function parameters. | |
748 | * all the information are dedicated to a given direct node block determined | |
749 | * by the data offset in a file. | |
750 | */ | |
751 | struct dnode_of_data { | |
752 | struct inode *inode; /* vfs inode pointer */ | |
753 | struct page *inode_page; /* its inode page, NULL is possible */ | |
754 | struct page *node_page; /* cached direct node page */ | |
755 | nid_t nid; /* node id of the direct node block */ | |
756 | unsigned int ofs_in_node; /* data offset in the node page */ | |
757 | bool inode_page_locked; /* inode page is locked or not */ | |
93bae099 | 758 | bool node_changed; /* is node block changed */ |
3cf45747 CY |
759 | char cur_level; /* level of hole node page */ |
760 | char max_level; /* level of current page located */ | |
39a53e0c JK |
761 | block_t data_blkaddr; /* block address of the node block */ |
762 | }; | |
763 | ||
764 | static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode, | |
765 | struct page *ipage, struct page *npage, nid_t nid) | |
766 | { | |
d66d1f76 | 767 | memset(dn, 0, sizeof(*dn)); |
39a53e0c JK |
768 | dn->inode = inode; |
769 | dn->inode_page = ipage; | |
770 | dn->node_page = npage; | |
771 | dn->nid = nid; | |
39a53e0c JK |
772 | } |
773 | ||
774 | /* | |
775 | * For SIT manager | |
776 | * | |
777 | * By default, there are 6 active log areas across the whole main area. | |
778 | * When considering hot and cold data separation to reduce cleaning overhead, | |
779 | * we split 3 for data logs and 3 for node logs as hot, warm, and cold types, | |
780 | * respectively. | |
781 | * In the current design, you should not change the numbers intentionally. | |
782 | * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6 | |
783 | * logs individually according to the underlying devices. (default: 6) | |
784 | * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for | |
785 | * data and 8 for node logs. | |
786 | */ | |
787 | #define NR_CURSEG_DATA_TYPE (3) | |
788 | #define NR_CURSEG_NODE_TYPE (3) | |
789 | #define NR_CURSEG_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE) | |
790 | ||
791 | enum { | |
792 | CURSEG_HOT_DATA = 0, /* directory entry blocks */ | |
793 | CURSEG_WARM_DATA, /* data blocks */ | |
794 | CURSEG_COLD_DATA, /* multimedia or GCed data blocks */ | |
795 | CURSEG_HOT_NODE, /* direct node blocks of directory files */ | |
796 | CURSEG_WARM_NODE, /* direct node blocks of normal files */ | |
797 | CURSEG_COLD_NODE, /* indirect node blocks */ | |
38aa0889 | 798 | NO_CHECK_TYPE, |
39a53e0c JK |
799 | }; |
800 | ||
6b4afdd7 | 801 | struct flush_cmd { |
6b4afdd7 | 802 | struct completion wait; |
721bd4d5 | 803 | struct llist_node llnode; |
39d787be | 804 | nid_t ino; |
6b4afdd7 JK |
805 | int ret; |
806 | }; | |
807 | ||
a688b9d9 GZ |
808 | struct flush_cmd_control { |
809 | struct task_struct *f2fs_issue_flush; /* flush thread */ | |
810 | wait_queue_head_t flush_wait_queue; /* waiting queue for wake-up */ | |
8b8dd65f CY |
811 | atomic_t issued_flush; /* # of issued flushes */ |
812 | atomic_t issing_flush; /* # of issing flushes */ | |
721bd4d5 GZ |
813 | struct llist_head issue_list; /* list for command issue */ |
814 | struct llist_node *dispatch_list; /* list for command dispatch */ | |
a688b9d9 GZ |
815 | }; |
816 | ||
39a53e0c JK |
817 | struct f2fs_sm_info { |
818 | struct sit_info *sit_info; /* whole segment information */ | |
819 | struct free_segmap_info *free_info; /* free segment information */ | |
820 | struct dirty_seglist_info *dirty_info; /* dirty segment information */ | |
821 | struct curseg_info *curseg_array; /* active segment information */ | |
822 | ||
2b60311d CY |
823 | struct rw_semaphore curseg_lock; /* for preventing curseg change */ |
824 | ||
39a53e0c JK |
825 | block_t seg0_blkaddr; /* block address of 0'th segment */ |
826 | block_t main_blkaddr; /* start block address of main area */ | |
827 | block_t ssa_blkaddr; /* start block address of SSA area */ | |
828 | ||
829 | unsigned int segment_count; /* total # of segments */ | |
830 | unsigned int main_segments; /* # of segments in main area */ | |
831 | unsigned int reserved_segments; /* # of reserved segments */ | |
832 | unsigned int ovp_segments; /* # of overprovision segments */ | |
81eb8d6e JK |
833 | |
834 | /* a threshold to reclaim prefree segments */ | |
835 | unsigned int rec_prefree_segments; | |
7fd9e544 | 836 | |
bba681cb JK |
837 | /* for batched trimming */ |
838 | unsigned int trim_sections; /* # of sections to trim */ | |
839 | ||
184a5cd2 CY |
840 | struct list_head sit_entry_set; /* sit entry set list */ |
841 | ||
216fbd64 JK |
842 | unsigned int ipu_policy; /* in-place-update policy */ |
843 | unsigned int min_ipu_util; /* in-place-update threshold */ | |
c1ce1b02 | 844 | unsigned int min_fsync_blocks; /* threshold for fsync */ |
ef095d19 | 845 | unsigned int min_hot_blocks; /* threshold for hot block allocation */ |
a2a12b67 | 846 | unsigned int min_ssr_sections; /* threshold to trigger SSR allocation */ |
6b4afdd7 JK |
847 | |
848 | /* for flush command control */ | |
b01a9201 | 849 | struct flush_cmd_control *fcc_info; |
a688b9d9 | 850 | |
0b54fb84 JK |
851 | /* for discard command control */ |
852 | struct discard_cmd_control *dcc_info; | |
39a53e0c JK |
853 | }; |
854 | ||
39a53e0c JK |
855 | /* |
856 | * For superblock | |
857 | */ | |
858 | /* | |
859 | * COUNT_TYPE for monitoring | |
860 | * | |
861 | * f2fs monitors the number of several block types such as on-writeback, | |
862 | * dirty dentry blocks, dirty node blocks, and dirty meta blocks. | |
863 | */ | |
36951b38 | 864 | #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA) |
39a53e0c | 865 | enum count_type { |
39a53e0c | 866 | F2FS_DIRTY_DENTS, |
c227f912 | 867 | F2FS_DIRTY_DATA, |
39a53e0c JK |
868 | F2FS_DIRTY_NODES, |
869 | F2FS_DIRTY_META, | |
8dcf2ff7 | 870 | F2FS_INMEM_PAGES, |
0f18b462 | 871 | F2FS_DIRTY_IMETA, |
36951b38 CY |
872 | F2FS_WB_CP_DATA, |
873 | F2FS_WB_DATA, | |
39a53e0c JK |
874 | NR_COUNT_TYPE, |
875 | }; | |
876 | ||
39a53e0c | 877 | /* |
e1c42045 | 878 | * The below are the page types of bios used in submit_bio(). |
39a53e0c JK |
879 | * The available types are: |
880 | * DATA User data pages. It operates as async mode. | |
881 | * NODE Node pages. It operates as async mode. | |
882 | * META FS metadata pages such as SIT, NAT, CP. | |
883 | * NR_PAGE_TYPE The number of page types. | |
884 | * META_FLUSH Make sure the previous pages are written | |
885 | * with waiting the bio's completion | |
886 | * ... Only can be used with META. | |
887 | */ | |
7d5e5109 | 888 | #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type)) |
39a53e0c JK |
889 | enum page_type { |
890 | DATA, | |
891 | NODE, | |
892 | META, | |
893 | NR_PAGE_TYPE, | |
894 | META_FLUSH, | |
8ce67cb0 JK |
895 | INMEM, /* the below types are used by tracepoints only. */ |
896 | INMEM_DROP, | |
8c242db9 | 897 | INMEM_INVALIDATE, |
28bc106b | 898 | INMEM_REVOKE, |
8ce67cb0 JK |
899 | IPU, |
900 | OPU, | |
39a53e0c JK |
901 | }; |
902 | ||
a912b54d JK |
903 | enum temp_type { |
904 | HOT = 0, /* must be zero for meta bio */ | |
905 | WARM, | |
906 | COLD, | |
907 | NR_TEMP_TYPE, | |
908 | }; | |
909 | ||
cc15620b JK |
910 | enum need_lock_type { |
911 | LOCK_REQ = 0, | |
912 | LOCK_DONE, | |
913 | LOCK_RETRY, | |
914 | }; | |
915 | ||
b0af6d49 CY |
916 | enum iostat_type { |
917 | APP_DIRECT_IO, /* app direct IOs */ | |
918 | APP_BUFFERED_IO, /* app buffered IOs */ | |
919 | APP_WRITE_IO, /* app write IOs */ | |
920 | APP_MAPPED_IO, /* app mapped IOs */ | |
921 | FS_DATA_IO, /* data IOs from kworker/fsync/reclaimer */ | |
922 | FS_NODE_IO, /* node IOs from kworker/fsync/reclaimer */ | |
923 | FS_META_IO, /* meta IOs from kworker/reclaimer */ | |
924 | FS_GC_DATA_IO, /* data IOs from forground gc */ | |
925 | FS_GC_NODE_IO, /* node IOs from forground gc */ | |
926 | FS_CP_DATA_IO, /* data IOs from checkpoint */ | |
927 | FS_CP_NODE_IO, /* node IOs from checkpoint */ | |
928 | FS_CP_META_IO, /* meta IOs from checkpoint */ | |
929 | FS_DISCARD, /* discard */ | |
930 | NR_IO_TYPE, | |
931 | }; | |
932 | ||
458e6197 | 933 | struct f2fs_io_info { |
05ca3632 | 934 | struct f2fs_sb_info *sbi; /* f2fs_sb_info pointer */ |
39d787be | 935 | nid_t ino; /* inode number */ |
7e8f2308 | 936 | enum page_type type; /* contains DATA/NODE/META/META_FLUSH */ |
a912b54d | 937 | enum temp_type temp; /* contains HOT/WARM/COLD */ |
04d328de | 938 | int op; /* contains REQ_OP_ */ |
ef295ecf | 939 | int op_flags; /* req_flag_bits */ |
7a9d7548 | 940 | block_t new_blkaddr; /* new block address to be written */ |
28bc106b | 941 | block_t old_blkaddr; /* old block address before Cow */ |
05ca3632 | 942 | struct page *page; /* page to be written */ |
4375a336 | 943 | struct page *encrypted_page; /* encrypted page */ |
fb830fc5 | 944 | struct list_head list; /* serialize IOs */ |
d68f735b | 945 | bool submitted; /* indicate IO submission */ |
cc15620b | 946 | int need_lock; /* indicate we need to lock cp_rwsem */ |
fb830fc5 | 947 | bool in_list; /* indicate fio is in io_list */ |
b0af6d49 | 948 | enum iostat_type io_type; /* io type */ |
458e6197 JK |
949 | }; |
950 | ||
68afcf2d | 951 | #define is_read_io(rw) ((rw) == READ) |
1ff7bd3b | 952 | struct f2fs_bio_info { |
458e6197 | 953 | struct f2fs_sb_info *sbi; /* f2fs superblock */ |
1ff7bd3b JK |
954 | struct bio *bio; /* bios to merge */ |
955 | sector_t last_block_in_bio; /* last block number */ | |
458e6197 | 956 | struct f2fs_io_info fio; /* store buffered io info. */ |
df0f8dc0 | 957 | struct rw_semaphore io_rwsem; /* blocking op for bio */ |
fb830fc5 CY |
958 | spinlock_t io_lock; /* serialize DATA/NODE IOs */ |
959 | struct list_head io_list; /* track fios */ | |
1ff7bd3b JK |
960 | }; |
961 | ||
3c62be17 JK |
962 | #define FDEV(i) (sbi->devs[i]) |
963 | #define RDEV(i) (raw_super->devs[i]) | |
964 | struct f2fs_dev_info { | |
965 | struct block_device *bdev; | |
966 | char path[MAX_PATH_LEN]; | |
967 | unsigned int total_segments; | |
968 | block_t start_blk; | |
969 | block_t end_blk; | |
970 | #ifdef CONFIG_BLK_DEV_ZONED | |
971 | unsigned int nr_blkz; /* Total number of zones */ | |
972 | u8 *blkz_type; /* Array of zones type */ | |
973 | #endif | |
974 | }; | |
975 | ||
c227f912 CY |
976 | enum inode_type { |
977 | DIR_INODE, /* for dirty dir inode */ | |
978 | FILE_INODE, /* for dirty regular/symlink inode */ | |
0f18b462 | 979 | DIRTY_META, /* for all dirtied inode metadata */ |
57864ae5 | 980 | ATOMIC_FILE, /* for all atomic files */ |
c227f912 CY |
981 | NR_INODE_TYPE, |
982 | }; | |
983 | ||
67298804 CY |
984 | /* for inner inode cache management */ |
985 | struct inode_management { | |
986 | struct radix_tree_root ino_root; /* ino entry array */ | |
987 | spinlock_t ino_lock; /* for ino entry lock */ | |
988 | struct list_head ino_list; /* inode list head */ | |
989 | unsigned long ino_num; /* number of entries */ | |
990 | }; | |
991 | ||
caf0047e CY |
992 | /* For s_flag in struct f2fs_sb_info */ |
993 | enum { | |
994 | SBI_IS_DIRTY, /* dirty flag for checkpoint */ | |
995 | SBI_IS_CLOSE, /* specify unmounting */ | |
996 | SBI_NEED_FSCK, /* need fsck.f2fs to fix */ | |
997 | SBI_POR_DOING, /* recovery is doing or not */ | |
df728b0f | 998 | SBI_NEED_SB_WRITE, /* need to recover superblock */ |
bbf156f7 | 999 | SBI_NEED_CP, /* need to checkpoint */ |
caf0047e CY |
1000 | }; |
1001 | ||
6beceb54 JK |
1002 | enum { |
1003 | CP_TIME, | |
d0239e1b | 1004 | REQ_TIME, |
6beceb54 JK |
1005 | MAX_TIME, |
1006 | }; | |
1007 | ||
39a53e0c JK |
1008 | struct f2fs_sb_info { |
1009 | struct super_block *sb; /* pointer to VFS super block */ | |
5e176d54 | 1010 | struct proc_dir_entry *s_proc; /* proc entry */ |
39a53e0c | 1011 | struct f2fs_super_block *raw_super; /* raw super block pointer */ |
e8240f65 | 1012 | int valid_super_block; /* valid super block no */ |
fadb2fb8 | 1013 | unsigned long s_flag; /* flags for sbi */ |
39a53e0c | 1014 | |
178053e2 | 1015 | #ifdef CONFIG_BLK_DEV_ZONED |
178053e2 DLM |
1016 | unsigned int blocks_per_blkz; /* F2FS blocks per zone */ |
1017 | unsigned int log_blocks_per_blkz; /* log2 F2FS blocks per zone */ | |
178053e2 DLM |
1018 | #endif |
1019 | ||
39a53e0c JK |
1020 | /* for node-related operations */ |
1021 | struct f2fs_nm_info *nm_info; /* node manager */ | |
1022 | struct inode *node_inode; /* cache node blocks */ | |
1023 | ||
1024 | /* for segment-related operations */ | |
1025 | struct f2fs_sm_info *sm_info; /* segment manager */ | |
1ff7bd3b JK |
1026 | |
1027 | /* for bio operations */ | |
a912b54d | 1028 | struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */ |
e41e6d75 CY |
1029 | struct mutex wio_mutex[NR_PAGE_TYPE - 1][NR_TEMP_TYPE]; |
1030 | /* bio ordering for NODE/DATA */ | |
0a595eba JK |
1031 | int write_io_size_bits; /* Write IO size bits */ |
1032 | mempool_t *write_io_dummy; /* Dummy pages */ | |
39a53e0c JK |
1033 | |
1034 | /* for checkpoint */ | |
1035 | struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */ | |
8508e44a | 1036 | int cur_cp_pack; /* remain current cp pack */ |
aaec2b1d | 1037 | spinlock_t cp_lock; /* for flag in ckpt */ |
39a53e0c | 1038 | struct inode *meta_inode; /* cache meta blocks */ |
39936837 | 1039 | struct mutex cp_mutex; /* checkpoint procedure lock */ |
b873b798 | 1040 | struct rw_semaphore cp_rwsem; /* blocking FS operations */ |
b3582c68 | 1041 | struct rw_semaphore node_write; /* locking node writes */ |
59c9081b | 1042 | struct rw_semaphore node_change; /* locking node change */ |
fb51b5ef | 1043 | wait_queue_head_t cp_wait; |
6beceb54 JK |
1044 | unsigned long last_time[MAX_TIME]; /* to store time in jiffies */ |
1045 | long interval_time[MAX_TIME]; /* to store thresholds */ | |
39a53e0c | 1046 | |
67298804 | 1047 | struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */ |
6451e041 JK |
1048 | |
1049 | /* for orphan inode, use 0'th array */ | |
0d47c1ad | 1050 | unsigned int max_orphans; /* max orphan inodes */ |
39a53e0c | 1051 | |
c227f912 CY |
1052 | /* for inode management */ |
1053 | struct list_head inode_list[NR_INODE_TYPE]; /* dirty inode list */ | |
1054 | spinlock_t inode_lock[NR_INODE_TYPE]; /* for dirty inode list lock */ | |
39a53e0c | 1055 | |
13054c54 CY |
1056 | /* for extent tree cache */ |
1057 | struct radix_tree_root extent_tree_root;/* cache extent cache entries */ | |
5e8256ac | 1058 | struct mutex extent_tree_lock; /* locking extent radix tree */ |
13054c54 CY |
1059 | struct list_head extent_list; /* lru list for shrinker */ |
1060 | spinlock_t extent_lock; /* locking extent lru list */ | |
7441ccef | 1061 | atomic_t total_ext_tree; /* extent tree count */ |
137d09f0 | 1062 | struct list_head zombie_list; /* extent zombie tree list */ |
74fd8d99 | 1063 | atomic_t total_zombie_tree; /* extent zombie tree count */ |
13054c54 CY |
1064 | atomic_t total_ext_node; /* extent info count */ |
1065 | ||
e1c42045 | 1066 | /* basic filesystem units */ |
39a53e0c JK |
1067 | unsigned int log_sectors_per_block; /* log2 sectors per block */ |
1068 | unsigned int log_blocksize; /* log2 block size */ | |
1069 | unsigned int blocksize; /* block size */ | |
1070 | unsigned int root_ino_num; /* root inode number*/ | |
1071 | unsigned int node_ino_num; /* node inode number*/ | |
1072 | unsigned int meta_ino_num; /* meta inode number*/ | |
1073 | unsigned int log_blocks_per_seg; /* log2 blocks per segment */ | |
1074 | unsigned int blocks_per_seg; /* blocks per segment */ | |
1075 | unsigned int segs_per_sec; /* segments per section */ | |
1076 | unsigned int secs_per_zone; /* sections per zone */ | |
1077 | unsigned int total_sections; /* total section count */ | |
1078 | unsigned int total_node_count; /* total node block count */ | |
1079 | unsigned int total_valid_node_count; /* valid node block count */ | |
e0afc4d6 | 1080 | loff_t max_file_blocks; /* max block index of file */ |
39a53e0c | 1081 | int active_logs; /* # of active logs */ |
ab9fa662 | 1082 | int dir_level; /* directory level */ |
6afc662e | 1083 | int inline_xattr_size; /* inline xattr size */ |
a2a12b67 | 1084 | unsigned int trigger_ssr_threshold; /* threshold to trigger ssr */ |
39a53e0c JK |
1085 | |
1086 | block_t user_block_count; /* # of user blocks */ | |
1087 | block_t total_valid_block_count; /* # of valid blocks */ | |
a66cdd98 | 1088 | block_t discard_blks; /* discard command candidats */ |
39a53e0c | 1089 | block_t last_valid_block_count; /* for recovery */ |
daeb433e | 1090 | block_t reserved_blocks; /* configurable reserved blocks */ |
80d42145 | 1091 | block_t current_reserved_blocks; /* current reserved blocks */ |
daeb433e | 1092 | |
39a53e0c | 1093 | u32 s_next_generation; /* for NFS support */ |
523be8a6 JK |
1094 | |
1095 | /* # of pages, see count_type */ | |
35782b23 | 1096 | atomic_t nr_pages[NR_COUNT_TYPE]; |
41382ec4 JK |
1097 | /* # of allocated blocks */ |
1098 | struct percpu_counter alloc_valid_block_count; | |
39a53e0c | 1099 | |
687de7f1 JK |
1100 | /* writeback control */ |
1101 | atomic_t wb_sync_req; /* count # of WB_SYNC threads */ | |
1102 | ||
513c5f37 JK |
1103 | /* valid inode count */ |
1104 | struct percpu_counter total_valid_inode_count; | |
1105 | ||
39a53e0c JK |
1106 | struct f2fs_mount_info mount_opt; /* mount options */ |
1107 | ||
1108 | /* for cleaning operations */ | |
1109 | struct mutex gc_mutex; /* mutex for GC */ | |
1110 | struct f2fs_gc_kthread *gc_thread; /* GC thread */ | |
5ec4e49f | 1111 | unsigned int cur_victim_sec; /* current victim section num */ |
39a53e0c | 1112 | |
e93b9865 HP |
1113 | /* threshold for converting bg victims for fg */ |
1114 | u64 fggc_threshold; | |
1115 | ||
b1c57c1c JK |
1116 | /* maximum # of trials to find a victim segment for SSR and GC */ |
1117 | unsigned int max_victim_search; | |
1118 | ||
39a53e0c JK |
1119 | /* |
1120 | * for stat information. | |
1121 | * one is for the LFS mode, and the other is for the SSR mode. | |
1122 | */ | |
35b09d82 | 1123 | #ifdef CONFIG_F2FS_STAT_FS |
39a53e0c JK |
1124 | struct f2fs_stat_info *stat_info; /* FS status information */ |
1125 | unsigned int segment_count[2]; /* # of allocated segments */ | |
1126 | unsigned int block_count[2]; /* # of allocated blocks */ | |
b9a2c252 | 1127 | atomic_t inplace_count; /* # of inplace update */ |
5b7ee374 CY |
1128 | atomic64_t total_hit_ext; /* # of lookup extent cache */ |
1129 | atomic64_t read_hit_rbtree; /* # of hit rbtree extent node */ | |
1130 | atomic64_t read_hit_largest; /* # of hit largest extent node */ | |
1131 | atomic64_t read_hit_cached; /* # of hit cached extent node */ | |
d5e8f6c9 | 1132 | atomic_t inline_xattr; /* # of inline_xattr inodes */ |
03e14d52 CY |
1133 | atomic_t inline_inode; /* # of inline_data inodes */ |
1134 | atomic_t inline_dir; /* # of inline_dentry inodes */ | |
26a28a0c | 1135 | atomic_t aw_cnt; /* # of atomic writes */ |
648d50ba | 1136 | atomic_t vw_cnt; /* # of volatile writes */ |
26a28a0c | 1137 | atomic_t max_aw_cnt; /* max # of atomic writes */ |
648d50ba | 1138 | atomic_t max_vw_cnt; /* max # of volatile writes */ |
39a53e0c | 1139 | int bg_gc; /* background gc calls */ |
33fbd510 | 1140 | unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */ |
35b09d82 | 1141 | #endif |
39a53e0c | 1142 | spinlock_t stat_lock; /* lock for stat operations */ |
b59d0bae | 1143 | |
b0af6d49 CY |
1144 | /* For app/fs IO statistics */ |
1145 | spinlock_t iostat_lock; | |
1146 | unsigned long long write_iostat[NR_IO_TYPE]; | |
1147 | bool iostat_enable; | |
1148 | ||
b59d0bae NJ |
1149 | /* For sysfs suppport */ |
1150 | struct kobject s_kobj; | |
1151 | struct completion s_kobj_unregister; | |
2658e50d JK |
1152 | |
1153 | /* For shrinker support */ | |
1154 | struct list_head s_list; | |
3c62be17 JK |
1155 | int s_ndevs; /* number of devices */ |
1156 | struct f2fs_dev_info *devs; /* for device list */ | |
1228b482 CY |
1157 | unsigned int dirty_device; /* for checkpoint data flush */ |
1158 | spinlock_t dev_lock; /* protect dirty_device */ | |
2658e50d JK |
1159 | struct mutex umount_mutex; |
1160 | unsigned int shrinker_run_no; | |
8f1dbbbb SL |
1161 | |
1162 | /* For write statistics */ | |
1163 | u64 sectors_written_start; | |
1164 | u64 kbytes_written; | |
43b6573b KM |
1165 | |
1166 | /* Reference to checksum algorithm driver via cryptoapi */ | |
1167 | struct crypto_shash *s_chksum_driver; | |
1ecc0c5c | 1168 | |
704956ec CY |
1169 | /* Precomputed FS UUID checksum for seeding other checksums */ |
1170 | __u32 s_chksum_seed; | |
1171 | ||
1ecc0c5c CY |
1172 | /* For fault injection */ |
1173 | #ifdef CONFIG_F2FS_FAULT_INJECTION | |
1174 | struct f2fs_fault_info fault_info; | |
1175 | #endif | |
4b2414d0 CY |
1176 | |
1177 | #ifdef CONFIG_QUOTA | |
1178 | /* Names of quota files with journalled quota */ | |
1179 | char *s_qf_names[MAXQUOTAS]; | |
1180 | int s_jquota_fmt; /* Format of quota to use */ | |
1181 | #endif | |
39a53e0c JK |
1182 | }; |
1183 | ||
1ecc0c5c | 1184 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
55523519 CY |
1185 | #define f2fs_show_injection_info(type) \ |
1186 | printk("%sF2FS-fs : inject %s in %s of %pF\n", \ | |
1187 | KERN_INFO, fault_name[type], \ | |
1188 | __func__, __builtin_return_address(0)) | |
1ecc0c5c CY |
1189 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) |
1190 | { | |
1191 | struct f2fs_fault_info *ffi = &sbi->fault_info; | |
1192 | ||
1193 | if (!ffi->inject_rate) | |
1194 | return false; | |
1195 | ||
1196 | if (!IS_FAULT_SET(ffi, type)) | |
1197 | return false; | |
1198 | ||
1199 | atomic_inc(&ffi->inject_ops); | |
1200 | if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) { | |
1201 | atomic_set(&ffi->inject_ops, 0); | |
1ecc0c5c CY |
1202 | return true; |
1203 | } | |
1204 | return false; | |
1205 | } | |
1206 | #endif | |
1207 | ||
8f1dbbbb SL |
1208 | /* For write statistics. Suppose sector size is 512 bytes, |
1209 | * and the return value is in kbytes. s is of struct f2fs_sb_info. | |
1210 | */ | |
1211 | #define BD_PART_WRITTEN(s) \ | |
68afcf2d TK |
1212 | (((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[1]) - \ |
1213 | (s)->sectors_written_start) >> 1) | |
8f1dbbbb | 1214 | |
6beceb54 JK |
1215 | static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type) |
1216 | { | |
1217 | sbi->last_time[type] = jiffies; | |
1218 | } | |
1219 | ||
1220 | static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type) | |
1221 | { | |
6bccfa19 | 1222 | unsigned long interval = sbi->interval_time[type] * HZ; |
6beceb54 JK |
1223 | |
1224 | return time_after(jiffies, sbi->last_time[type] + interval); | |
1225 | } | |
1226 | ||
d0239e1b JK |
1227 | static inline bool is_idle(struct f2fs_sb_info *sbi) |
1228 | { | |
1229 | struct block_device *bdev = sbi->sb->s_bdev; | |
1230 | struct request_queue *q = bdev_get_queue(bdev); | |
1231 | struct request_list *rl = &q->root_rl; | |
1232 | ||
1233 | if (rl->count[BLK_RW_SYNC] || rl->count[BLK_RW_ASYNC]) | |
1234 | return 0; | |
1235 | ||
1236 | return f2fs_time_over(sbi, REQ_TIME); | |
1237 | } | |
1238 | ||
39a53e0c JK |
1239 | /* |
1240 | * Inline functions | |
1241 | */ | |
43b6573b KM |
1242 | static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address, |
1243 | unsigned int length) | |
1244 | { | |
1245 | SHASH_DESC_ON_STACK(shash, sbi->s_chksum_driver); | |
1246 | u32 *ctx = (u32 *)shash_desc_ctx(shash); | |
d41519a6 | 1247 | u32 retval; |
43b6573b KM |
1248 | int err; |
1249 | ||
1250 | shash->tfm = sbi->s_chksum_driver; | |
1251 | shash->flags = 0; | |
1252 | *ctx = F2FS_SUPER_MAGIC; | |
1253 | ||
1254 | err = crypto_shash_update(shash, address, length); | |
1255 | BUG_ON(err); | |
1256 | ||
d41519a6 DM |
1257 | retval = *ctx; |
1258 | barrier_data(ctx); | |
1259 | return retval; | |
43b6573b KM |
1260 | } |
1261 | ||
1262 | static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc, | |
1263 | void *buf, size_t buf_size) | |
1264 | { | |
1265 | return f2fs_crc32(sbi, buf, buf_size) == blk_crc; | |
1266 | } | |
1267 | ||
704956ec CY |
1268 | static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc, |
1269 | const void *address, unsigned int length) | |
1270 | { | |
1271 | struct { | |
1272 | struct shash_desc shash; | |
1273 | char ctx[4]; | |
1274 | } desc; | |
1275 | int err; | |
1276 | ||
1277 | BUG_ON(crypto_shash_descsize(sbi->s_chksum_driver) != sizeof(desc.ctx)); | |
1278 | ||
1279 | desc.shash.tfm = sbi->s_chksum_driver; | |
1280 | desc.shash.flags = 0; | |
1281 | *(u32 *)desc.ctx = crc; | |
1282 | ||
1283 | err = crypto_shash_update(&desc.shash, address, length); | |
1284 | BUG_ON(err); | |
1285 | ||
1286 | return *(u32 *)desc.ctx; | |
1287 | } | |
1288 | ||
39a53e0c JK |
1289 | static inline struct f2fs_inode_info *F2FS_I(struct inode *inode) |
1290 | { | |
1291 | return container_of(inode, struct f2fs_inode_info, vfs_inode); | |
1292 | } | |
1293 | ||
1294 | static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb) | |
1295 | { | |
1296 | return sb->s_fs_info; | |
1297 | } | |
1298 | ||
4081363f JK |
1299 | static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode) |
1300 | { | |
1301 | return F2FS_SB(inode->i_sb); | |
1302 | } | |
1303 | ||
1304 | static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping) | |
1305 | { | |
1306 | return F2FS_I_SB(mapping->host); | |
1307 | } | |
1308 | ||
1309 | static inline struct f2fs_sb_info *F2FS_P_SB(struct page *page) | |
1310 | { | |
1311 | return F2FS_M_SB(page->mapping); | |
1312 | } | |
1313 | ||
39a53e0c JK |
1314 | static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi) |
1315 | { | |
1316 | return (struct f2fs_super_block *)(sbi->raw_super); | |
1317 | } | |
1318 | ||
1319 | static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi) | |
1320 | { | |
1321 | return (struct f2fs_checkpoint *)(sbi->ckpt); | |
1322 | } | |
1323 | ||
45590710 GZ |
1324 | static inline struct f2fs_node *F2FS_NODE(struct page *page) |
1325 | { | |
1326 | return (struct f2fs_node *)page_address(page); | |
1327 | } | |
1328 | ||
58bfaf44 JK |
1329 | static inline struct f2fs_inode *F2FS_INODE(struct page *page) |
1330 | { | |
1331 | return &((struct f2fs_node *)page_address(page))->i; | |
1332 | } | |
1333 | ||
39a53e0c JK |
1334 | static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi) |
1335 | { | |
1336 | return (struct f2fs_nm_info *)(sbi->nm_info); | |
1337 | } | |
1338 | ||
1339 | static inline struct f2fs_sm_info *SM_I(struct f2fs_sb_info *sbi) | |
1340 | { | |
1341 | return (struct f2fs_sm_info *)(sbi->sm_info); | |
1342 | } | |
1343 | ||
1344 | static inline struct sit_info *SIT_I(struct f2fs_sb_info *sbi) | |
1345 | { | |
1346 | return (struct sit_info *)(SM_I(sbi)->sit_info); | |
1347 | } | |
1348 | ||
1349 | static inline struct free_segmap_info *FREE_I(struct f2fs_sb_info *sbi) | |
1350 | { | |
1351 | return (struct free_segmap_info *)(SM_I(sbi)->free_info); | |
1352 | } | |
1353 | ||
1354 | static inline struct dirty_seglist_info *DIRTY_I(struct f2fs_sb_info *sbi) | |
1355 | { | |
1356 | return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info); | |
1357 | } | |
1358 | ||
9df27d98 GZ |
1359 | static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi) |
1360 | { | |
1361 | return sbi->meta_inode->i_mapping; | |
1362 | } | |
1363 | ||
4ef51a8f JK |
1364 | static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi) |
1365 | { | |
1366 | return sbi->node_inode->i_mapping; | |
1367 | } | |
1368 | ||
caf0047e CY |
1369 | static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type) |
1370 | { | |
fadb2fb8 | 1371 | return test_bit(type, &sbi->s_flag); |
caf0047e CY |
1372 | } |
1373 | ||
1374 | static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) | |
39a53e0c | 1375 | { |
fadb2fb8 | 1376 | set_bit(type, &sbi->s_flag); |
39a53e0c JK |
1377 | } |
1378 | ||
caf0047e | 1379 | static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) |
39a53e0c | 1380 | { |
fadb2fb8 | 1381 | clear_bit(type, &sbi->s_flag); |
39a53e0c JK |
1382 | } |
1383 | ||
d71b5564 JK |
1384 | static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp) |
1385 | { | |
1386 | return le64_to_cpu(cp->checkpoint_ver); | |
1387 | } | |
1388 | ||
ea676733 JK |
1389 | static inline unsigned long f2fs_qf_ino(struct super_block *sb, int type) |
1390 | { | |
1391 | if (type < F2FS_MAX_QUOTAS) | |
1392 | return le32_to_cpu(F2FS_SB(sb)->raw_super->qf_ino[type]); | |
1393 | return 0; | |
1394 | } | |
1395 | ||
ced2c7ea KM |
1396 | static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp) |
1397 | { | |
1398 | size_t crc_offset = le32_to_cpu(cp->checksum_offset); | |
1399 | return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset))); | |
1400 | } | |
1401 | ||
aaec2b1d | 1402 | static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) |
25ca923b JK |
1403 | { |
1404 | unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
aaec2b1d | 1405 | |
25ca923b JK |
1406 | return ckpt_flags & f; |
1407 | } | |
1408 | ||
aaec2b1d | 1409 | static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 1410 | { |
aaec2b1d CY |
1411 | return __is_set_ckpt_flags(F2FS_CKPT(sbi), f); |
1412 | } | |
1413 | ||
1414 | static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
1415 | { | |
1416 | unsigned int ckpt_flags; | |
1417 | ||
1418 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
1419 | ckpt_flags |= f; |
1420 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
1421 | } | |
1422 | ||
aaec2b1d | 1423 | static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 1424 | { |
d1aa2453 CY |
1425 | unsigned long flags; |
1426 | ||
1427 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
aaec2b1d | 1428 | __set_ckpt_flags(F2FS_CKPT(sbi), f); |
d1aa2453 | 1429 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
aaec2b1d CY |
1430 | } |
1431 | ||
1432 | static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
1433 | { | |
1434 | unsigned int ckpt_flags; | |
1435 | ||
1436 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
1437 | ckpt_flags &= (~f); |
1438 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
1439 | } | |
1440 | ||
aaec2b1d CY |
1441 | static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
1442 | { | |
d1aa2453 CY |
1443 | unsigned long flags; |
1444 | ||
1445 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
aaec2b1d | 1446 | __clear_ckpt_flags(F2FS_CKPT(sbi), f); |
d1aa2453 | 1447 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
aaec2b1d CY |
1448 | } |
1449 | ||
22ad0b6a JK |
1450 | static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock) |
1451 | { | |
d1aa2453 CY |
1452 | unsigned long flags; |
1453 | ||
22ad0b6a JK |
1454 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
1455 | ||
1456 | if (lock) | |
d1aa2453 | 1457 | spin_lock_irqsave(&sbi->cp_lock, flags); |
22ad0b6a JK |
1458 | __clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG); |
1459 | kfree(NM_I(sbi)->nat_bits); | |
1460 | NM_I(sbi)->nat_bits = NULL; | |
1461 | if (lock) | |
d1aa2453 | 1462 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
22ad0b6a JK |
1463 | } |
1464 | ||
1465 | static inline bool enabled_nat_bits(struct f2fs_sb_info *sbi, | |
1466 | struct cp_control *cpc) | |
1467 | { | |
1468 | bool set = is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG); | |
1469 | ||
c473f1a9 | 1470 | return (cpc) ? (cpc->reason & CP_UMOUNT) && set : set; |
22ad0b6a JK |
1471 | } |
1472 | ||
e479556b | 1473 | static inline void f2fs_lock_op(struct f2fs_sb_info *sbi) |
39936837 | 1474 | { |
b873b798 | 1475 | down_read(&sbi->cp_rwsem); |
39936837 JK |
1476 | } |
1477 | ||
cc15620b JK |
1478 | static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi) |
1479 | { | |
1480 | return down_read_trylock(&sbi->cp_rwsem); | |
1481 | } | |
1482 | ||
e479556b | 1483 | static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi) |
39a53e0c | 1484 | { |
b873b798 | 1485 | up_read(&sbi->cp_rwsem); |
39a53e0c JK |
1486 | } |
1487 | ||
e479556b | 1488 | static inline void f2fs_lock_all(struct f2fs_sb_info *sbi) |
39a53e0c | 1489 | { |
b873b798 | 1490 | down_write(&sbi->cp_rwsem); |
39936837 JK |
1491 | } |
1492 | ||
e479556b | 1493 | static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi) |
39936837 | 1494 | { |
b873b798 | 1495 | up_write(&sbi->cp_rwsem); |
39a53e0c JK |
1496 | } |
1497 | ||
119ee914 JK |
1498 | static inline int __get_cp_reason(struct f2fs_sb_info *sbi) |
1499 | { | |
1500 | int reason = CP_SYNC; | |
1501 | ||
1502 | if (test_opt(sbi, FASTBOOT)) | |
1503 | reason = CP_FASTBOOT; | |
1504 | if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) | |
1505 | reason = CP_UMOUNT; | |
1506 | return reason; | |
1507 | } | |
1508 | ||
1509 | static inline bool __remain_node_summaries(int reason) | |
1510 | { | |
c473f1a9 | 1511 | return (reason & (CP_UMOUNT | CP_FASTBOOT)); |
119ee914 JK |
1512 | } |
1513 | ||
1514 | static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi) | |
1515 | { | |
aaec2b1d CY |
1516 | return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) || |
1517 | is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG)); | |
119ee914 JK |
1518 | } |
1519 | ||
39a53e0c JK |
1520 | /* |
1521 | * Check whether the given nid is within node id range. | |
1522 | */ | |
064e0823 | 1523 | static inline int check_nid_range(struct f2fs_sb_info *sbi, nid_t nid) |
39a53e0c | 1524 | { |
d6b7d4b3 CY |
1525 | if (unlikely(nid < F2FS_ROOT_INO(sbi))) |
1526 | return -EINVAL; | |
cfb271d4 | 1527 | if (unlikely(nid >= NM_I(sbi)->max_nid)) |
064e0823 NJ |
1528 | return -EINVAL; |
1529 | return 0; | |
39a53e0c JK |
1530 | } |
1531 | ||
39a53e0c JK |
1532 | /* |
1533 | * Check whether the inode has blocks or not | |
1534 | */ | |
1535 | static inline int F2FS_HAS_BLOCKS(struct inode *inode) | |
1536 | { | |
0eb0adad CY |
1537 | block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0; |
1538 | ||
000519f2 | 1539 | return (inode->i_blocks >> F2FS_LOG_SECTORS_PER_BLOCK) > xattr_block; |
39a53e0c JK |
1540 | } |
1541 | ||
4bc8e9bc CY |
1542 | static inline bool f2fs_has_xattr_block(unsigned int ofs) |
1543 | { | |
1544 | return ofs == XATTR_NODE_OFFSET; | |
1545 | } | |
1546 | ||
0abd675e CY |
1547 | static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool); |
1548 | static inline int inc_valid_block_count(struct f2fs_sb_info *sbi, | |
46008c6d | 1549 | struct inode *inode, blkcnt_t *count) |
39a53e0c | 1550 | { |
0abd675e | 1551 | blkcnt_t diff = 0, release = 0; |
daeb433e | 1552 | block_t avail_user_block_count; |
0abd675e CY |
1553 | int ret; |
1554 | ||
1555 | ret = dquot_reserve_block(inode, *count); | |
1556 | if (ret) | |
1557 | return ret; | |
39a53e0c | 1558 | |
cb78942b | 1559 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
55523519 CY |
1560 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
1561 | f2fs_show_injection_info(FAULT_BLOCK); | |
0abd675e CY |
1562 | release = *count; |
1563 | goto enospc; | |
55523519 | 1564 | } |
cb78942b | 1565 | #endif |
dd11a5df JK |
1566 | /* |
1567 | * let's increase this in prior to actual block count change in order | |
1568 | * for f2fs_sync_file to avoid data races when deciding checkpoint. | |
1569 | */ | |
1570 | percpu_counter_add(&sbi->alloc_valid_block_count, (*count)); | |
1571 | ||
2555a2d5 JK |
1572 | spin_lock(&sbi->stat_lock); |
1573 | sbi->total_valid_block_count += (block_t)(*count); | |
80d42145 YS |
1574 | avail_user_block_count = sbi->user_block_count - |
1575 | sbi->current_reserved_blocks; | |
daeb433e CY |
1576 | if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) { |
1577 | diff = sbi->total_valid_block_count - avail_user_block_count; | |
dd11a5df | 1578 | *count -= diff; |
0abd675e | 1579 | release = diff; |
daeb433e | 1580 | sbi->total_valid_block_count = avail_user_block_count; |
46008c6d CY |
1581 | if (!*count) { |
1582 | spin_unlock(&sbi->stat_lock); | |
dd11a5df | 1583 | percpu_counter_sub(&sbi->alloc_valid_block_count, diff); |
0abd675e | 1584 | goto enospc; |
46008c6d | 1585 | } |
39a53e0c | 1586 | } |
39a53e0c | 1587 | spin_unlock(&sbi->stat_lock); |
41382ec4 | 1588 | |
0abd675e CY |
1589 | if (release) |
1590 | dquot_release_reservation_block(inode, release); | |
1591 | f2fs_i_blocks_write(inode, *count, true, true); | |
1592 | return 0; | |
1593 | ||
1594 | enospc: | |
1595 | dquot_release_reservation_block(inode, release); | |
1596 | return -ENOSPC; | |
39a53e0c JK |
1597 | } |
1598 | ||
da19b0dc | 1599 | static inline void dec_valid_block_count(struct f2fs_sb_info *sbi, |
39a53e0c | 1600 | struct inode *inode, |
0eb0adad | 1601 | block_t count) |
39a53e0c | 1602 | { |
0eb0adad CY |
1603 | blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK; |
1604 | ||
39a53e0c | 1605 | spin_lock(&sbi->stat_lock); |
9850cf4a | 1606 | f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count); |
0eb0adad | 1607 | f2fs_bug_on(sbi, inode->i_blocks < sectors); |
39a53e0c | 1608 | sbi->total_valid_block_count -= (block_t)count; |
80d42145 YS |
1609 | if (sbi->reserved_blocks && |
1610 | sbi->current_reserved_blocks < sbi->reserved_blocks) | |
1611 | sbi->current_reserved_blocks = min(sbi->reserved_blocks, | |
1612 | sbi->current_reserved_blocks + count); | |
39a53e0c | 1613 | spin_unlock(&sbi->stat_lock); |
0abd675e | 1614 | f2fs_i_blocks_write(inode, count, false, true); |
39a53e0c JK |
1615 | } |
1616 | ||
1617 | static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type) | |
1618 | { | |
35782b23 | 1619 | atomic_inc(&sbi->nr_pages[count_type]); |
7c4abcbe | 1620 | |
36951b38 CY |
1621 | if (count_type == F2FS_DIRTY_DATA || count_type == F2FS_INMEM_PAGES || |
1622 | count_type == F2FS_WB_CP_DATA || count_type == F2FS_WB_DATA) | |
7c4abcbe CY |
1623 | return; |
1624 | ||
caf0047e | 1625 | set_sbi_flag(sbi, SBI_IS_DIRTY); |
39a53e0c JK |
1626 | } |
1627 | ||
a7ffdbe2 | 1628 | static inline void inode_inc_dirty_pages(struct inode *inode) |
39a53e0c | 1629 | { |
204706c7 | 1630 | atomic_inc(&F2FS_I(inode)->dirty_pages); |
c227f912 CY |
1631 | inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
1632 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
39a53e0c JK |
1633 | } |
1634 | ||
1635 | static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type) | |
1636 | { | |
35782b23 | 1637 | atomic_dec(&sbi->nr_pages[count_type]); |
39a53e0c JK |
1638 | } |
1639 | ||
a7ffdbe2 | 1640 | static inline void inode_dec_dirty_pages(struct inode *inode) |
39a53e0c | 1641 | { |
5ac9f36f CY |
1642 | if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) && |
1643 | !S_ISLNK(inode->i_mode)) | |
1fe54f9d JK |
1644 | return; |
1645 | ||
204706c7 | 1646 | atomic_dec(&F2FS_I(inode)->dirty_pages); |
c227f912 CY |
1647 | dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
1648 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
39a53e0c JK |
1649 | } |
1650 | ||
523be8a6 | 1651 | static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type) |
39a53e0c | 1652 | { |
35782b23 | 1653 | return atomic_read(&sbi->nr_pages[count_type]); |
39a53e0c JK |
1654 | } |
1655 | ||
204706c7 | 1656 | static inline int get_dirty_pages(struct inode *inode) |
f8b2c1f9 | 1657 | { |
204706c7 | 1658 | return atomic_read(&F2FS_I(inode)->dirty_pages); |
f8b2c1f9 JK |
1659 | } |
1660 | ||
5ac206cf NJ |
1661 | static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type) |
1662 | { | |
3519e3f9 | 1663 | unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg; |
523be8a6 JK |
1664 | unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >> |
1665 | sbi->log_blocks_per_seg; | |
1666 | ||
1667 | return segs / sbi->segs_per_sec; | |
5ac206cf NJ |
1668 | } |
1669 | ||
39a53e0c JK |
1670 | static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi) |
1671 | { | |
8b8343fa | 1672 | return sbi->total_valid_block_count; |
39a53e0c JK |
1673 | } |
1674 | ||
f83a2584 YH |
1675 | static inline block_t discard_blocks(struct f2fs_sb_info *sbi) |
1676 | { | |
1677 | return sbi->discard_blks; | |
1678 | } | |
1679 | ||
39a53e0c JK |
1680 | static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag) |
1681 | { | |
1682 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
1683 | ||
1684 | /* return NAT or SIT bitmap */ | |
1685 | if (flag == NAT_BITMAP) | |
1686 | return le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); | |
1687 | else if (flag == SIT_BITMAP) | |
1688 | return le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); | |
1689 | ||
1690 | return 0; | |
1691 | } | |
1692 | ||
55141486 WL |
1693 | static inline block_t __cp_payload(struct f2fs_sb_info *sbi) |
1694 | { | |
1695 | return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload); | |
1696 | } | |
1697 | ||
39a53e0c JK |
1698 | static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag) |
1699 | { | |
1700 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
1dbe4152 CL |
1701 | int offset; |
1702 | ||
55141486 | 1703 | if (__cp_payload(sbi) > 0) { |
1dbe4152 CL |
1704 | if (flag == NAT_BITMAP) |
1705 | return &ckpt->sit_nat_version_bitmap; | |
1706 | else | |
65b85ccc | 1707 | return (unsigned char *)ckpt + F2FS_BLKSIZE; |
1dbe4152 CL |
1708 | } else { |
1709 | offset = (flag == NAT_BITMAP) ? | |
25ca923b | 1710 | le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0; |
1dbe4152 CL |
1711 | return &ckpt->sit_nat_version_bitmap + offset; |
1712 | } | |
39a53e0c JK |
1713 | } |
1714 | ||
1715 | static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi) | |
1716 | { | |
8508e44a | 1717 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); |
39a53e0c | 1718 | |
8508e44a | 1719 | if (sbi->cur_cp_pack == 2) |
39a53e0c | 1720 | start_addr += sbi->blocks_per_seg; |
8508e44a JK |
1721 | return start_addr; |
1722 | } | |
39a53e0c | 1723 | |
8508e44a JK |
1724 | static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi) |
1725 | { | |
1726 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); | |
39a53e0c | 1727 | |
8508e44a JK |
1728 | if (sbi->cur_cp_pack == 1) |
1729 | start_addr += sbi->blocks_per_seg; | |
39a53e0c JK |
1730 | return start_addr; |
1731 | } | |
1732 | ||
8508e44a JK |
1733 | static inline void __set_cp_next_pack(struct f2fs_sb_info *sbi) |
1734 | { | |
1735 | sbi->cur_cp_pack = (sbi->cur_cp_pack == 1) ? 2 : 1; | |
1736 | } | |
1737 | ||
39a53e0c JK |
1738 | static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi) |
1739 | { | |
1740 | return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum); | |
1741 | } | |
1742 | ||
0abd675e | 1743 | static inline int inc_valid_node_count(struct f2fs_sb_info *sbi, |
000519f2 | 1744 | struct inode *inode, bool is_inode) |
39a53e0c JK |
1745 | { |
1746 | block_t valid_block_count; | |
1747 | unsigned int valid_node_count; | |
0abd675e CY |
1748 | bool quota = inode && !is_inode; |
1749 | ||
1750 | if (quota) { | |
1751 | int ret = dquot_reserve_block(inode, 1); | |
1752 | if (ret) | |
1753 | return ret; | |
1754 | } | |
39a53e0c JK |
1755 | |
1756 | spin_lock(&sbi->stat_lock); | |
1757 | ||
ef86d709 | 1758 | valid_block_count = sbi->total_valid_block_count + 1; |
80d42145 | 1759 | if (unlikely(valid_block_count + sbi->current_reserved_blocks > |
daeb433e | 1760 | sbi->user_block_count)) { |
39a53e0c | 1761 | spin_unlock(&sbi->stat_lock); |
0abd675e | 1762 | goto enospc; |
39a53e0c JK |
1763 | } |
1764 | ||
ef86d709 | 1765 | valid_node_count = sbi->total_valid_node_count + 1; |
cfb271d4 | 1766 | if (unlikely(valid_node_count > sbi->total_node_count)) { |
39a53e0c | 1767 | spin_unlock(&sbi->stat_lock); |
0abd675e | 1768 | goto enospc; |
39a53e0c JK |
1769 | } |
1770 | ||
ef86d709 GZ |
1771 | sbi->total_valid_node_count++; |
1772 | sbi->total_valid_block_count++; | |
39a53e0c JK |
1773 | spin_unlock(&sbi->stat_lock); |
1774 | ||
000519f2 CY |
1775 | if (inode) { |
1776 | if (is_inode) | |
1777 | f2fs_mark_inode_dirty_sync(inode, true); | |
1778 | else | |
0abd675e | 1779 | f2fs_i_blocks_write(inode, 1, true, true); |
000519f2 | 1780 | } |
ef86d709 | 1781 | |
41382ec4 | 1782 | percpu_counter_inc(&sbi->alloc_valid_block_count); |
0abd675e CY |
1783 | return 0; |
1784 | ||
1785 | enospc: | |
1786 | if (quota) | |
1787 | dquot_release_reservation_block(inode, 1); | |
1788 | return -ENOSPC; | |
39a53e0c JK |
1789 | } |
1790 | ||
1791 | static inline void dec_valid_node_count(struct f2fs_sb_info *sbi, | |
000519f2 | 1792 | struct inode *inode, bool is_inode) |
39a53e0c JK |
1793 | { |
1794 | spin_lock(&sbi->stat_lock); | |
1795 | ||
9850cf4a JK |
1796 | f2fs_bug_on(sbi, !sbi->total_valid_block_count); |
1797 | f2fs_bug_on(sbi, !sbi->total_valid_node_count); | |
000519f2 | 1798 | f2fs_bug_on(sbi, !is_inode && !inode->i_blocks); |
39a53e0c | 1799 | |
ef86d709 GZ |
1800 | sbi->total_valid_node_count--; |
1801 | sbi->total_valid_block_count--; | |
80d42145 YS |
1802 | if (sbi->reserved_blocks && |
1803 | sbi->current_reserved_blocks < sbi->reserved_blocks) | |
1804 | sbi->current_reserved_blocks++; | |
39a53e0c JK |
1805 | |
1806 | spin_unlock(&sbi->stat_lock); | |
0abd675e CY |
1807 | |
1808 | if (!is_inode) | |
1809 | f2fs_i_blocks_write(inode, 1, false, true); | |
39a53e0c JK |
1810 | } |
1811 | ||
1812 | static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi) | |
1813 | { | |
8b8343fa | 1814 | return sbi->total_valid_node_count; |
39a53e0c JK |
1815 | } |
1816 | ||
1817 | static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi) | |
1818 | { | |
513c5f37 | 1819 | percpu_counter_inc(&sbi->total_valid_inode_count); |
39a53e0c JK |
1820 | } |
1821 | ||
0e80220a | 1822 | static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 1823 | { |
513c5f37 | 1824 | percpu_counter_dec(&sbi->total_valid_inode_count); |
39a53e0c JK |
1825 | } |
1826 | ||
513c5f37 | 1827 | static inline s64 valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 1828 | { |
513c5f37 | 1829 | return percpu_counter_sum_positive(&sbi->total_valid_inode_count); |
39a53e0c JK |
1830 | } |
1831 | ||
a56c7c6f JK |
1832 | static inline struct page *f2fs_grab_cache_page(struct address_space *mapping, |
1833 | pgoff_t index, bool for_write) | |
1834 | { | |
c41f3cc3 JK |
1835 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
1836 | struct page *page = find_lock_page(mapping, index); | |
cac5a3d8 | 1837 | |
c41f3cc3 JK |
1838 | if (page) |
1839 | return page; | |
1840 | ||
55523519 CY |
1841 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) { |
1842 | f2fs_show_injection_info(FAULT_PAGE_ALLOC); | |
c41f3cc3 | 1843 | return NULL; |
55523519 | 1844 | } |
c41f3cc3 | 1845 | #endif |
a56c7c6f JK |
1846 | if (!for_write) |
1847 | return grab_cache_page(mapping, index); | |
1848 | return grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS); | |
1849 | } | |
1850 | ||
01eccef7 CY |
1851 | static inline struct page *f2fs_pagecache_get_page( |
1852 | struct address_space *mapping, pgoff_t index, | |
1853 | int fgp_flags, gfp_t gfp_mask) | |
1854 | { | |
1855 | #ifdef CONFIG_F2FS_FAULT_INJECTION | |
1856 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET)) { | |
1857 | f2fs_show_injection_info(FAULT_PAGE_GET); | |
1858 | return NULL; | |
1859 | } | |
1860 | #endif | |
1861 | return pagecache_get_page(mapping, index, fgp_flags, gfp_mask); | |
1862 | } | |
1863 | ||
6e2c64ad JK |
1864 | static inline void f2fs_copy_page(struct page *src, struct page *dst) |
1865 | { | |
1866 | char *src_kaddr = kmap(src); | |
1867 | char *dst_kaddr = kmap(dst); | |
1868 | ||
1869 | memcpy(dst_kaddr, src_kaddr, PAGE_SIZE); | |
1870 | kunmap(dst); | |
1871 | kunmap(src); | |
1872 | } | |
1873 | ||
39a53e0c JK |
1874 | static inline void f2fs_put_page(struct page *page, int unlock) |
1875 | { | |
031fa8cc | 1876 | if (!page) |
39a53e0c JK |
1877 | return; |
1878 | ||
1879 | if (unlock) { | |
9850cf4a | 1880 | f2fs_bug_on(F2FS_P_SB(page), !PageLocked(page)); |
39a53e0c JK |
1881 | unlock_page(page); |
1882 | } | |
09cbfeaf | 1883 | put_page(page); |
39a53e0c JK |
1884 | } |
1885 | ||
1886 | static inline void f2fs_put_dnode(struct dnode_of_data *dn) | |
1887 | { | |
1888 | if (dn->node_page) | |
1889 | f2fs_put_page(dn->node_page, 1); | |
1890 | if (dn->inode_page && dn->node_page != dn->inode_page) | |
1891 | f2fs_put_page(dn->inode_page, 0); | |
1892 | dn->node_page = NULL; | |
1893 | dn->inode_page = NULL; | |
1894 | } | |
1895 | ||
1896 | static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name, | |
e8512d2e | 1897 | size_t size) |
39a53e0c | 1898 | { |
e8512d2e | 1899 | return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL); |
39a53e0c JK |
1900 | } |
1901 | ||
7bd59381 GZ |
1902 | static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep, |
1903 | gfp_t flags) | |
1904 | { | |
1905 | void *entry; | |
7bd59381 | 1906 | |
80c54505 JK |
1907 | entry = kmem_cache_alloc(cachep, flags); |
1908 | if (!entry) | |
1909 | entry = kmem_cache_alloc(cachep, flags | __GFP_NOFAIL); | |
7bd59381 GZ |
1910 | return entry; |
1911 | } | |
1912 | ||
d62fe971 CY |
1913 | static inline struct bio *f2fs_bio_alloc(struct f2fs_sb_info *sbi, |
1914 | int npages, bool no_fail) | |
740432f8 JK |
1915 | { |
1916 | struct bio *bio; | |
1917 | ||
d62fe971 CY |
1918 | if (no_fail) { |
1919 | /* No failure on bio allocation */ | |
1920 | bio = bio_alloc(GFP_NOIO, npages); | |
1921 | if (!bio) | |
1922 | bio = bio_alloc(GFP_NOIO | __GFP_NOFAIL, npages); | |
1923 | return bio; | |
1924 | } | |
1925 | #ifdef CONFIG_F2FS_FAULT_INJECTION | |
1926 | if (time_to_inject(sbi, FAULT_ALLOC_BIO)) { | |
1927 | f2fs_show_injection_info(FAULT_ALLOC_BIO); | |
1928 | return NULL; | |
1929 | } | |
1930 | #endif | |
1931 | return bio_alloc(GFP_KERNEL, npages); | |
740432f8 JK |
1932 | } |
1933 | ||
9be32d72 JK |
1934 | static inline void f2fs_radix_tree_insert(struct radix_tree_root *root, |
1935 | unsigned long index, void *item) | |
1936 | { | |
1937 | while (radix_tree_insert(root, index, item)) | |
1938 | cond_resched(); | |
1939 | } | |
1940 | ||
39a53e0c JK |
1941 | #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino) |
1942 | ||
1943 | static inline bool IS_INODE(struct page *page) | |
1944 | { | |
45590710 | 1945 | struct f2fs_node *p = F2FS_NODE(page); |
cac5a3d8 | 1946 | |
39a53e0c JK |
1947 | return RAW_IS_INODE(p); |
1948 | } | |
1949 | ||
7a2af766 CY |
1950 | static inline int offset_in_addr(struct f2fs_inode *i) |
1951 | { | |
1952 | return (i->i_inline & F2FS_EXTRA_ATTR) ? | |
1953 | (le16_to_cpu(i->i_extra_isize) / sizeof(__le32)) : 0; | |
1954 | } | |
1955 | ||
39a53e0c JK |
1956 | static inline __le32 *blkaddr_in_node(struct f2fs_node *node) |
1957 | { | |
1958 | return RAW_IS_INODE(node) ? node->i.i_addr : node->dn.addr; | |
1959 | } | |
1960 | ||
7a2af766 CY |
1961 | static inline int f2fs_has_extra_attr(struct inode *inode); |
1962 | static inline block_t datablock_addr(struct inode *inode, | |
1963 | struct page *node_page, unsigned int offset) | |
39a53e0c JK |
1964 | { |
1965 | struct f2fs_node *raw_node; | |
1966 | __le32 *addr_array; | |
7a2af766 CY |
1967 | int base = 0; |
1968 | bool is_inode = IS_INODE(node_page); | |
cac5a3d8 | 1969 | |
45590710 | 1970 | raw_node = F2FS_NODE(node_page); |
7a2af766 CY |
1971 | |
1972 | /* from GC path only */ | |
1973 | if (!inode) { | |
1974 | if (is_inode) | |
1975 | base = offset_in_addr(&raw_node->i); | |
1976 | } else if (f2fs_has_extra_attr(inode) && is_inode) { | |
1977 | base = get_extra_isize(inode); | |
1978 | } | |
1979 | ||
39a53e0c | 1980 | addr_array = blkaddr_in_node(raw_node); |
7a2af766 | 1981 | return le32_to_cpu(addr_array[base + offset]); |
39a53e0c JK |
1982 | } |
1983 | ||
1984 | static inline int f2fs_test_bit(unsigned int nr, char *addr) | |
1985 | { | |
1986 | int mask; | |
1987 | ||
1988 | addr += (nr >> 3); | |
1989 | mask = 1 << (7 - (nr & 0x07)); | |
1990 | return mask & *addr; | |
1991 | } | |
1992 | ||
a66cdd98 JK |
1993 | static inline void f2fs_set_bit(unsigned int nr, char *addr) |
1994 | { | |
1995 | int mask; | |
1996 | ||
1997 | addr += (nr >> 3); | |
1998 | mask = 1 << (7 - (nr & 0x07)); | |
1999 | *addr |= mask; | |
2000 | } | |
2001 | ||
2002 | static inline void f2fs_clear_bit(unsigned int nr, char *addr) | |
2003 | { | |
2004 | int mask; | |
2005 | ||
2006 | addr += (nr >> 3); | |
2007 | mask = 1 << (7 - (nr & 0x07)); | |
2008 | *addr &= ~mask; | |
2009 | } | |
2010 | ||
52aca074 | 2011 | static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr) |
39a53e0c JK |
2012 | { |
2013 | int mask; | |
2014 | int ret; | |
2015 | ||
2016 | addr += (nr >> 3); | |
2017 | mask = 1 << (7 - (nr & 0x07)); | |
2018 | ret = mask & *addr; | |
2019 | *addr |= mask; | |
2020 | return ret; | |
2021 | } | |
2022 | ||
52aca074 | 2023 | static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr) |
39a53e0c JK |
2024 | { |
2025 | int mask; | |
2026 | int ret; | |
2027 | ||
2028 | addr += (nr >> 3); | |
2029 | mask = 1 << (7 - (nr & 0x07)); | |
2030 | ret = mask & *addr; | |
2031 | *addr &= ~mask; | |
2032 | return ret; | |
2033 | } | |
2034 | ||
c6ac4c0e GZ |
2035 | static inline void f2fs_change_bit(unsigned int nr, char *addr) |
2036 | { | |
2037 | int mask; | |
2038 | ||
2039 | addr += (nr >> 3); | |
2040 | mask = 1 << (7 - (nr & 0x07)); | |
2041 | *addr ^= mask; | |
2042 | } | |
2043 | ||
5c57132e CY |
2044 | #define F2FS_REG_FLMASK (~(FS_DIRSYNC_FL | FS_TOPDIR_FL)) |
2045 | #define F2FS_OTHER_FLMASK (FS_NODUMP_FL | FS_NOATIME_FL) | |
2046 | #define F2FS_FL_INHERITED (FS_PROJINHERIT_FL) | |
2047 | ||
2048 | static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags) | |
2049 | { | |
2050 | if (S_ISDIR(mode)) | |
2051 | return flags; | |
2052 | else if (S_ISREG(mode)) | |
2053 | return flags & F2FS_REG_FLMASK; | |
2054 | else | |
2055 | return flags & F2FS_OTHER_FLMASK; | |
2056 | } | |
2057 | ||
39a53e0c JK |
2058 | /* used for f2fs_inode_info->flags */ |
2059 | enum { | |
2060 | FI_NEW_INODE, /* indicate newly allocated inode */ | |
b3783873 | 2061 | FI_DIRTY_INODE, /* indicate inode is dirty or not */ |
26de9b11 | 2062 | FI_AUTO_RECOVER, /* indicate inode is recoverable */ |
ed57c27f | 2063 | FI_DIRTY_DIR, /* indicate directory has dirty pages */ |
39a53e0c JK |
2064 | FI_INC_LINK, /* need to increment i_nlink */ |
2065 | FI_ACL_MODE, /* indicate acl mode */ | |
2066 | FI_NO_ALLOC, /* should not allocate any blocks */ | |
c9b63bd0 | 2067 | FI_FREE_NID, /* free allocated nide */ |
c11abd1a | 2068 | FI_NO_EXTENT, /* not to use the extent cache */ |
444c580f | 2069 | FI_INLINE_XATTR, /* used for inline xattr */ |
1001b347 | 2070 | FI_INLINE_DATA, /* used for inline data*/ |
34d67deb | 2071 | FI_INLINE_DENTRY, /* used for inline dentry */ |
fff04f90 JK |
2072 | FI_APPEND_WRITE, /* inode has appended data */ |
2073 | FI_UPDATE_WRITE, /* inode has in-place-update data */ | |
88b88a66 JK |
2074 | FI_NEED_IPU, /* used for ipu per file */ |
2075 | FI_ATOMIC_FILE, /* indicate atomic file */ | |
5fe45743 | 2076 | FI_ATOMIC_COMMIT, /* indicate the state of atomical committing */ |
02a1335f | 2077 | FI_VOLATILE_FILE, /* indicate volatile file */ |
3c6c2beb | 2078 | FI_FIRST_BLOCK_WRITTEN, /* indicate #0 data block was written */ |
1e84371f | 2079 | FI_DROP_CACHE, /* drop dirty page cache */ |
b3d208f9 | 2080 | FI_DATA_EXIST, /* indicate data exists */ |
510022a8 | 2081 | FI_INLINE_DOTS, /* indicate inline dot dentries */ |
d323d005 | 2082 | FI_DO_DEFRAG, /* indicate defragment is running */ |
c227f912 | 2083 | FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */ |
dc91de78 | 2084 | FI_NO_PREALLOC, /* indicate skipped preallocated blocks */ |
ef095d19 | 2085 | FI_HOT_DATA, /* indicate file is hot */ |
7a2af766 | 2086 | FI_EXTRA_ATTR, /* indicate file has extra attribute */ |
5c57132e | 2087 | FI_PROJ_INHERIT, /* indicate file inherits projectid */ |
39a53e0c JK |
2088 | }; |
2089 | ||
205b9822 JK |
2090 | static inline void __mark_inode_dirty_flag(struct inode *inode, |
2091 | int flag, bool set) | |
2092 | { | |
2093 | switch (flag) { | |
2094 | case FI_INLINE_XATTR: | |
2095 | case FI_INLINE_DATA: | |
2096 | case FI_INLINE_DENTRY: | |
2097 | if (set) | |
2098 | return; | |
2099 | case FI_DATA_EXIST: | |
2100 | case FI_INLINE_DOTS: | |
7c45729a | 2101 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2102 | } |
2103 | } | |
2104 | ||
91942321 | 2105 | static inline void set_inode_flag(struct inode *inode, int flag) |
39a53e0c | 2106 | { |
91942321 JK |
2107 | if (!test_bit(flag, &F2FS_I(inode)->flags)) |
2108 | set_bit(flag, &F2FS_I(inode)->flags); | |
205b9822 | 2109 | __mark_inode_dirty_flag(inode, flag, true); |
39a53e0c JK |
2110 | } |
2111 | ||
91942321 | 2112 | static inline int is_inode_flag_set(struct inode *inode, int flag) |
39a53e0c | 2113 | { |
91942321 | 2114 | return test_bit(flag, &F2FS_I(inode)->flags); |
39a53e0c JK |
2115 | } |
2116 | ||
91942321 | 2117 | static inline void clear_inode_flag(struct inode *inode, int flag) |
39a53e0c | 2118 | { |
91942321 JK |
2119 | if (test_bit(flag, &F2FS_I(inode)->flags)) |
2120 | clear_bit(flag, &F2FS_I(inode)->flags); | |
205b9822 | 2121 | __mark_inode_dirty_flag(inode, flag, false); |
39a53e0c JK |
2122 | } |
2123 | ||
91942321 | 2124 | static inline void set_acl_inode(struct inode *inode, umode_t mode) |
39a53e0c | 2125 | { |
91942321 JK |
2126 | F2FS_I(inode)->i_acl_mode = mode; |
2127 | set_inode_flag(inode, FI_ACL_MODE); | |
7c45729a | 2128 | f2fs_mark_inode_dirty_sync(inode, false); |
39a53e0c JK |
2129 | } |
2130 | ||
a1961246 | 2131 | static inline void f2fs_i_links_write(struct inode *inode, bool inc) |
39a53e0c | 2132 | { |
a1961246 JK |
2133 | if (inc) |
2134 | inc_nlink(inode); | |
2135 | else | |
2136 | drop_nlink(inode); | |
7c45729a | 2137 | f2fs_mark_inode_dirty_sync(inode, true); |
a1961246 JK |
2138 | } |
2139 | ||
8edd03c8 | 2140 | static inline void f2fs_i_blocks_write(struct inode *inode, |
0abd675e | 2141 | block_t diff, bool add, bool claim) |
8edd03c8 | 2142 | { |
26de9b11 JK |
2143 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
2144 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
2145 | ||
0abd675e CY |
2146 | /* add = 1, claim = 1 should be dquot_reserve_block in pair */ |
2147 | if (add) { | |
2148 | if (claim) | |
2149 | dquot_claim_block(inode, diff); | |
2150 | else | |
2151 | dquot_alloc_block_nofail(inode, diff); | |
2152 | } else { | |
2153 | dquot_free_block(inode, diff); | |
2154 | } | |
2155 | ||
7c45729a | 2156 | f2fs_mark_inode_dirty_sync(inode, true); |
26de9b11 JK |
2157 | if (clean || recover) |
2158 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
8edd03c8 JK |
2159 | } |
2160 | ||
fc9581c8 JK |
2161 | static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size) |
2162 | { | |
26de9b11 JK |
2163 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
2164 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
2165 | ||
fc9581c8 JK |
2166 | if (i_size_read(inode) == i_size) |
2167 | return; | |
2168 | ||
2169 | i_size_write(inode, i_size); | |
7c45729a | 2170 | f2fs_mark_inode_dirty_sync(inode, true); |
26de9b11 JK |
2171 | if (clean || recover) |
2172 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
39a53e0c JK |
2173 | } |
2174 | ||
205b9822 | 2175 | static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth) |
39a53e0c | 2176 | { |
205b9822 | 2177 | F2FS_I(inode)->i_current_depth = depth; |
7c45729a | 2178 | f2fs_mark_inode_dirty_sync(inode, true); |
39a53e0c JK |
2179 | } |
2180 | ||
205b9822 | 2181 | static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid) |
444c580f | 2182 | { |
205b9822 | 2183 | F2FS_I(inode)->i_xattr_nid = xnid; |
7c45729a | 2184 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2185 | } |
2186 | ||
2187 | static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino) | |
2188 | { | |
2189 | F2FS_I(inode)->i_pino = pino; | |
7c45729a | 2190 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2191 | } |
2192 | ||
91942321 | 2193 | static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri) |
444c580f | 2194 | { |
205b9822 JK |
2195 | struct f2fs_inode_info *fi = F2FS_I(inode); |
2196 | ||
444c580f | 2197 | if (ri->i_inline & F2FS_INLINE_XATTR) |
205b9822 | 2198 | set_bit(FI_INLINE_XATTR, &fi->flags); |
1001b347 | 2199 | if (ri->i_inline & F2FS_INLINE_DATA) |
205b9822 | 2200 | set_bit(FI_INLINE_DATA, &fi->flags); |
34d67deb | 2201 | if (ri->i_inline & F2FS_INLINE_DENTRY) |
205b9822 | 2202 | set_bit(FI_INLINE_DENTRY, &fi->flags); |
b3d208f9 | 2203 | if (ri->i_inline & F2FS_DATA_EXIST) |
205b9822 | 2204 | set_bit(FI_DATA_EXIST, &fi->flags); |
510022a8 | 2205 | if (ri->i_inline & F2FS_INLINE_DOTS) |
205b9822 | 2206 | set_bit(FI_INLINE_DOTS, &fi->flags); |
7a2af766 CY |
2207 | if (ri->i_inline & F2FS_EXTRA_ATTR) |
2208 | set_bit(FI_EXTRA_ATTR, &fi->flags); | |
444c580f JK |
2209 | } |
2210 | ||
91942321 | 2211 | static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri) |
444c580f JK |
2212 | { |
2213 | ri->i_inline = 0; | |
2214 | ||
91942321 | 2215 | if (is_inode_flag_set(inode, FI_INLINE_XATTR)) |
444c580f | 2216 | ri->i_inline |= F2FS_INLINE_XATTR; |
91942321 | 2217 | if (is_inode_flag_set(inode, FI_INLINE_DATA)) |
1001b347 | 2218 | ri->i_inline |= F2FS_INLINE_DATA; |
91942321 | 2219 | if (is_inode_flag_set(inode, FI_INLINE_DENTRY)) |
34d67deb | 2220 | ri->i_inline |= F2FS_INLINE_DENTRY; |
91942321 | 2221 | if (is_inode_flag_set(inode, FI_DATA_EXIST)) |
b3d208f9 | 2222 | ri->i_inline |= F2FS_DATA_EXIST; |
91942321 | 2223 | if (is_inode_flag_set(inode, FI_INLINE_DOTS)) |
510022a8 | 2224 | ri->i_inline |= F2FS_INLINE_DOTS; |
7a2af766 CY |
2225 | if (is_inode_flag_set(inode, FI_EXTRA_ATTR)) |
2226 | ri->i_inline |= F2FS_EXTRA_ATTR; | |
2227 | } | |
2228 | ||
2229 | static inline int f2fs_has_extra_attr(struct inode *inode) | |
2230 | { | |
2231 | return is_inode_flag_set(inode, FI_EXTRA_ATTR); | |
444c580f JK |
2232 | } |
2233 | ||
987c7c31 CY |
2234 | static inline int f2fs_has_inline_xattr(struct inode *inode) |
2235 | { | |
91942321 | 2236 | return is_inode_flag_set(inode, FI_INLINE_XATTR); |
987c7c31 CY |
2237 | } |
2238 | ||
81ca7350 | 2239 | static inline unsigned int addrs_per_inode(struct inode *inode) |
de93653f | 2240 | { |
6afc662e | 2241 | return CUR_ADDRS_PER_INODE(inode) - F2FS_INLINE_XATTR_ADDRS(inode); |
de93653f JK |
2242 | } |
2243 | ||
6afc662e | 2244 | static inline void *inline_xattr_addr(struct inode *inode, struct page *page) |
65985d93 | 2245 | { |
695fd1ed | 2246 | struct f2fs_inode *ri = F2FS_INODE(page); |
cac5a3d8 | 2247 | |
65985d93 | 2248 | return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE - |
6afc662e | 2249 | F2FS_INLINE_XATTR_ADDRS(inode)]); |
65985d93 JK |
2250 | } |
2251 | ||
2252 | static inline int inline_xattr_size(struct inode *inode) | |
2253 | { | |
6afc662e | 2254 | return get_inline_xattr_addrs(inode) * sizeof(__le32); |
65985d93 JK |
2255 | } |
2256 | ||
0dbdc2ae JK |
2257 | static inline int f2fs_has_inline_data(struct inode *inode) |
2258 | { | |
91942321 | 2259 | return is_inode_flag_set(inode, FI_INLINE_DATA); |
0dbdc2ae JK |
2260 | } |
2261 | ||
b3d208f9 JK |
2262 | static inline int f2fs_exist_data(struct inode *inode) |
2263 | { | |
91942321 | 2264 | return is_inode_flag_set(inode, FI_DATA_EXIST); |
b3d208f9 JK |
2265 | } |
2266 | ||
510022a8 JK |
2267 | static inline int f2fs_has_inline_dots(struct inode *inode) |
2268 | { | |
91942321 | 2269 | return is_inode_flag_set(inode, FI_INLINE_DOTS); |
510022a8 JK |
2270 | } |
2271 | ||
88b88a66 JK |
2272 | static inline bool f2fs_is_atomic_file(struct inode *inode) |
2273 | { | |
91942321 | 2274 | return is_inode_flag_set(inode, FI_ATOMIC_FILE); |
88b88a66 JK |
2275 | } |
2276 | ||
5fe45743 CY |
2277 | static inline bool f2fs_is_commit_atomic_write(struct inode *inode) |
2278 | { | |
2279 | return is_inode_flag_set(inode, FI_ATOMIC_COMMIT); | |
2280 | } | |
2281 | ||
02a1335f JK |
2282 | static inline bool f2fs_is_volatile_file(struct inode *inode) |
2283 | { | |
91942321 | 2284 | return is_inode_flag_set(inode, FI_VOLATILE_FILE); |
02a1335f JK |
2285 | } |
2286 | ||
3c6c2beb JK |
2287 | static inline bool f2fs_is_first_block_written(struct inode *inode) |
2288 | { | |
91942321 | 2289 | return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN); |
3c6c2beb JK |
2290 | } |
2291 | ||
1e84371f JK |
2292 | static inline bool f2fs_is_drop_cache(struct inode *inode) |
2293 | { | |
91942321 | 2294 | return is_inode_flag_set(inode, FI_DROP_CACHE); |
1e84371f JK |
2295 | } |
2296 | ||
f2470371 | 2297 | static inline void *inline_data_addr(struct inode *inode, struct page *page) |
1001b347 | 2298 | { |
695fd1ed | 2299 | struct f2fs_inode *ri = F2FS_INODE(page); |
7a2af766 | 2300 | int extra_size = get_extra_isize(inode); |
cac5a3d8 | 2301 | |
7a2af766 | 2302 | return (void *)&(ri->i_addr[extra_size + DEF_INLINE_RESERVED_SIZE]); |
1001b347 HL |
2303 | } |
2304 | ||
34d67deb CY |
2305 | static inline int f2fs_has_inline_dentry(struct inode *inode) |
2306 | { | |
91942321 | 2307 | return is_inode_flag_set(inode, FI_INLINE_DENTRY); |
34d67deb CY |
2308 | } |
2309 | ||
9486ba44 JK |
2310 | static inline void f2fs_dentry_kunmap(struct inode *dir, struct page *page) |
2311 | { | |
2312 | if (!f2fs_has_inline_dentry(dir)) | |
2313 | kunmap(page); | |
2314 | } | |
2315 | ||
b5492af7 JK |
2316 | static inline int is_file(struct inode *inode, int type) |
2317 | { | |
2318 | return F2FS_I(inode)->i_advise & type; | |
2319 | } | |
2320 | ||
2321 | static inline void set_file(struct inode *inode, int type) | |
2322 | { | |
2323 | F2FS_I(inode)->i_advise |= type; | |
7c45729a | 2324 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
2325 | } |
2326 | ||
2327 | static inline void clear_file(struct inode *inode, int type) | |
2328 | { | |
2329 | F2FS_I(inode)->i_advise &= ~type; | |
7c45729a | 2330 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
2331 | } |
2332 | ||
26787236 JK |
2333 | static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync) |
2334 | { | |
a0d00fad CY |
2335 | bool ret; |
2336 | ||
26787236 JK |
2337 | if (dsync) { |
2338 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
26787236 JK |
2339 | |
2340 | spin_lock(&sbi->inode_lock[DIRTY_META]); | |
2341 | ret = list_empty(&F2FS_I(inode)->gdirty_list); | |
2342 | spin_unlock(&sbi->inode_lock[DIRTY_META]); | |
2343 | return ret; | |
2344 | } | |
2345 | if (!is_inode_flag_set(inode, FI_AUTO_RECOVER) || | |
2346 | file_keep_isize(inode) || | |
2347 | i_size_read(inode) & PAGE_MASK) | |
2348 | return false; | |
a0d00fad CY |
2349 | |
2350 | down_read(&F2FS_I(inode)->i_sem); | |
2351 | ret = F2FS_I(inode)->last_disk_size == i_size_read(inode); | |
2352 | up_read(&F2FS_I(inode)->i_sem); | |
2353 | ||
2354 | return ret; | |
b5492af7 JK |
2355 | } |
2356 | ||
77888c1e JK |
2357 | static inline int f2fs_readonly(struct super_block *sb) |
2358 | { | |
2359 | return sb->s_flags & MS_RDONLY; | |
2360 | } | |
2361 | ||
1e968fdf JK |
2362 | static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi) |
2363 | { | |
aaec2b1d | 2364 | return is_set_ckpt_flags(sbi, CP_ERROR_FLAG); |
1e968fdf JK |
2365 | } |
2366 | ||
eaa693f4 JK |
2367 | static inline bool is_dot_dotdot(const struct qstr *str) |
2368 | { | |
2369 | if (str->len == 1 && str->name[0] == '.') | |
2370 | return true; | |
2371 | ||
2372 | if (str->len == 2 && str->name[0] == '.' && str->name[1] == '.') | |
2373 | return true; | |
2374 | ||
2375 | return false; | |
2376 | } | |
2377 | ||
3e72f721 JK |
2378 | static inline bool f2fs_may_extent_tree(struct inode *inode) |
2379 | { | |
3e72f721 | 2380 | if (!test_opt(F2FS_I_SB(inode), EXTENT_CACHE) || |
91942321 | 2381 | is_inode_flag_set(inode, FI_NO_EXTENT)) |
3e72f721 JK |
2382 | return false; |
2383 | ||
886f56f9 | 2384 | return S_ISREG(inode->i_mode); |
3e72f721 JK |
2385 | } |
2386 | ||
1ecc0c5c CY |
2387 | static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi, |
2388 | size_t size, gfp_t flags) | |
0414b004 | 2389 | { |
2c63fead | 2390 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
55523519 CY |
2391 | if (time_to_inject(sbi, FAULT_KMALLOC)) { |
2392 | f2fs_show_injection_info(FAULT_KMALLOC); | |
2c63fead | 2393 | return NULL; |
55523519 | 2394 | } |
2c63fead | 2395 | #endif |
0414b004 JK |
2396 | return kmalloc(size, flags); |
2397 | } | |
2398 | ||
7a2af766 | 2399 | static inline int get_extra_isize(struct inode *inode) |
f2470371 | 2400 | { |
7a2af766 | 2401 | return F2FS_I(inode)->i_extra_isize / sizeof(__le32); |
f2470371 CY |
2402 | } |
2403 | ||
6afc662e CY |
2404 | static inline int f2fs_sb_has_flexible_inline_xattr(struct super_block *sb); |
2405 | static inline int get_inline_xattr_addrs(struct inode *inode) | |
2406 | { | |
2407 | return F2FS_I(inode)->i_inline_xattr_size; | |
2408 | } | |
2409 | ||
a6dda0e6 | 2410 | #define get_inode_mode(i) \ |
91942321 | 2411 | ((is_inode_flag_set(i, FI_ACL_MODE)) ? \ |
a6dda0e6 CH |
2412 | (F2FS_I(i)->i_acl_mode) : ((i)->i_mode)) |
2413 | ||
7a2af766 CY |
2414 | #define F2FS_TOTAL_EXTRA_ATTR_SIZE \ |
2415 | (offsetof(struct f2fs_inode, i_extra_end) - \ | |
2416 | offsetof(struct f2fs_inode, i_extra_isize)) \ | |
2417 | ||
5c57132e CY |
2418 | #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr)) |
2419 | #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \ | |
2420 | ((offsetof(typeof(*f2fs_inode), field) + \ | |
2421 | sizeof((f2fs_inode)->field)) \ | |
2422 | <= (F2FS_OLD_ATTRIBUTE_SIZE + extra_isize)) \ | |
2423 | ||
b0af6d49 CY |
2424 | static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi) |
2425 | { | |
2426 | int i; | |
2427 | ||
2428 | spin_lock(&sbi->iostat_lock); | |
2429 | for (i = 0; i < NR_IO_TYPE; i++) | |
2430 | sbi->write_iostat[i] = 0; | |
2431 | spin_unlock(&sbi->iostat_lock); | |
2432 | } | |
2433 | ||
2434 | static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi, | |
2435 | enum iostat_type type, unsigned long long io_bytes) | |
2436 | { | |
2437 | if (!sbi->iostat_enable) | |
2438 | return; | |
2439 | spin_lock(&sbi->iostat_lock); | |
2440 | sbi->write_iostat[type] += io_bytes; | |
2441 | ||
2442 | if (type == APP_WRITE_IO || type == APP_DIRECT_IO) | |
2443 | sbi->write_iostat[APP_BUFFERED_IO] = | |
2444 | sbi->write_iostat[APP_WRITE_IO] - | |
2445 | sbi->write_iostat[APP_DIRECT_IO]; | |
2446 | spin_unlock(&sbi->iostat_lock); | |
2447 | } | |
2448 | ||
39a53e0c JK |
2449 | /* |
2450 | * file.c | |
2451 | */ | |
cac5a3d8 DS |
2452 | int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync); |
2453 | void truncate_data_blocks(struct dnode_of_data *dn); | |
2454 | int truncate_blocks(struct inode *inode, u64 from, bool lock); | |
2455 | int f2fs_truncate(struct inode *inode); | |
a528d35e DH |
2456 | int f2fs_getattr(const struct path *path, struct kstat *stat, |
2457 | u32 request_mask, unsigned int flags); | |
cac5a3d8 DS |
2458 | int f2fs_setattr(struct dentry *dentry, struct iattr *attr); |
2459 | int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end); | |
2460 | int truncate_data_blocks_range(struct dnode_of_data *dn, int count); | |
2461 | long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); | |
2462 | long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg); | |
39a53e0c JK |
2463 | |
2464 | /* | |
2465 | * inode.c | |
2466 | */ | |
cac5a3d8 | 2467 | void f2fs_set_inode_flags(struct inode *inode); |
704956ec CY |
2468 | bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page); |
2469 | void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page); | |
cac5a3d8 DS |
2470 | struct inode *f2fs_iget(struct super_block *sb, unsigned long ino); |
2471 | struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino); | |
2472 | int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink); | |
2473 | int update_inode(struct inode *inode, struct page *node_page); | |
2474 | int update_inode_page(struct inode *inode); | |
2475 | int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc); | |
2476 | void f2fs_evict_inode(struct inode *inode); | |
2477 | void handle_failed_inode(struct inode *inode); | |
39a53e0c JK |
2478 | |
2479 | /* | |
2480 | * namei.c | |
2481 | */ | |
2482 | struct dentry *f2fs_get_parent(struct dentry *child); | |
2483 | ||
2484 | /* | |
2485 | * dir.c | |
2486 | */ | |
cac5a3d8 DS |
2487 | void set_de_type(struct f2fs_dir_entry *de, umode_t mode); |
2488 | unsigned char get_de_type(struct f2fs_dir_entry *de); | |
2489 | struct f2fs_dir_entry *find_target_dentry(struct fscrypt_name *fname, | |
2490 | f2fs_hash_t namehash, int *max_slots, | |
2491 | struct f2fs_dentry_ptr *d); | |
2492 | int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d, | |
2493 | unsigned int start_pos, struct fscrypt_str *fstr); | |
2494 | void do_make_empty_dir(struct inode *inode, struct inode *parent, | |
2495 | struct f2fs_dentry_ptr *d); | |
2496 | struct page *init_inode_metadata(struct inode *inode, struct inode *dir, | |
2497 | const struct qstr *new_name, | |
2498 | const struct qstr *orig_name, struct page *dpage); | |
2499 | void update_parent_metadata(struct inode *dir, struct inode *inode, | |
2500 | unsigned int current_depth); | |
2501 | int room_for_filename(const void *bitmap, int slots, int max_slots); | |
2502 | void f2fs_drop_nlink(struct inode *dir, struct inode *inode); | |
2503 | struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir, | |
2504 | struct fscrypt_name *fname, struct page **res_page); | |
2505 | struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir, | |
2506 | const struct qstr *child, struct page **res_page); | |
2507 | struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p); | |
2508 | ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr, | |
2509 | struct page **page); | |
2510 | void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de, | |
2511 | struct page *page, struct inode *inode); | |
cac5a3d8 DS |
2512 | void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d, |
2513 | const struct qstr *name, f2fs_hash_t name_hash, | |
2514 | unsigned int bit_pos); | |
2515 | int f2fs_add_regular_entry(struct inode *dir, const struct qstr *new_name, | |
2516 | const struct qstr *orig_name, | |
2517 | struct inode *inode, nid_t ino, umode_t mode); | |
2518 | int __f2fs_do_add_link(struct inode *dir, struct fscrypt_name *fname, | |
2519 | struct inode *inode, nid_t ino, umode_t mode); | |
2520 | int __f2fs_add_link(struct inode *dir, const struct qstr *name, | |
2521 | struct inode *inode, nid_t ino, umode_t mode); | |
2522 | void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, | |
2523 | struct inode *dir, struct inode *inode); | |
2524 | int f2fs_do_tmpfile(struct inode *inode, struct inode *dir); | |
2525 | bool f2fs_empty_dir(struct inode *dir); | |
39a53e0c | 2526 | |
b7f7a5e0 AV |
2527 | static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode) |
2528 | { | |
2b0143b5 | 2529 | return __f2fs_add_link(d_inode(dentry->d_parent), &dentry->d_name, |
510022a8 | 2530 | inode, inode->i_ino, inode->i_mode); |
b7f7a5e0 AV |
2531 | } |
2532 | ||
39a53e0c JK |
2533 | /* |
2534 | * super.c | |
2535 | */ | |
cac5a3d8 DS |
2536 | int f2fs_inode_dirtied(struct inode *inode, bool sync); |
2537 | void f2fs_inode_synced(struct inode *inode); | |
ea676733 | 2538 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly); |
4b2414d0 | 2539 | void f2fs_quota_off_umount(struct super_block *sb); |
cac5a3d8 DS |
2540 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover); |
2541 | int f2fs_sync_fs(struct super_block *sb, int sync); | |
a07ef784 | 2542 | extern __printf(3, 4) |
cac5a3d8 | 2543 | void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...); |
984ec63c | 2544 | int sanity_check_ckpt(struct f2fs_sb_info *sbi); |
39a53e0c JK |
2545 | |
2546 | /* | |
2547 | * hash.c | |
2548 | */ | |
6332cd32 JK |
2549 | f2fs_hash_t f2fs_dentry_hash(const struct qstr *name_info, |
2550 | struct fscrypt_name *fname); | |
39a53e0c JK |
2551 | |
2552 | /* | |
2553 | * node.c | |
2554 | */ | |
2555 | struct dnode_of_data; | |
2556 | struct node_info; | |
2557 | ||
cac5a3d8 DS |
2558 | bool available_free_memory(struct f2fs_sb_info *sbi, int type); |
2559 | int need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid); | |
2560 | bool is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid); | |
2561 | bool need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino); | |
2562 | void get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni); | |
2563 | pgoff_t get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs); | |
2564 | int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode); | |
2565 | int truncate_inode_blocks(struct inode *inode, pgoff_t from); | |
9c77f754 | 2566 | int truncate_xattr_node(struct inode *inode); |
cac5a3d8 DS |
2567 | int wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino); |
2568 | int remove_inode_page(struct inode *inode); | |
2569 | struct page *new_inode_page(struct inode *inode); | |
5f4ce6ab | 2570 | struct page *new_node_page(struct dnode_of_data *dn, unsigned int ofs); |
cac5a3d8 DS |
2571 | void ra_node_page(struct f2fs_sb_info *sbi, nid_t nid); |
2572 | struct page *get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid); | |
2573 | struct page *get_node_page_ra(struct page *parent, int start); | |
2574 | void move_node_page(struct page *node_page, int gc_type); | |
2575 | int fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, | |
2576 | struct writeback_control *wbc, bool atomic); | |
401db79f | 2577 | int sync_node_pages(struct f2fs_sb_info *sbi, struct writeback_control *wbc, |
b0af6d49 | 2578 | bool do_balance, enum iostat_type io_type); |
22ad0b6a | 2579 | void build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount); |
cac5a3d8 DS |
2580 | bool alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid); |
2581 | void alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid); | |
2582 | void alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid); | |
2583 | int try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink); | |
2584 | void recover_inline_xattr(struct inode *inode, struct page *page); | |
d260081c | 2585 | int recover_xattr_data(struct inode *inode, struct page *page, |
cac5a3d8 DS |
2586 | block_t blkaddr); |
2587 | int recover_inode_page(struct f2fs_sb_info *sbi, struct page *page); | |
2588 | int restore_node_summary(struct f2fs_sb_info *sbi, | |
2589 | unsigned int segno, struct f2fs_summary_block *sum); | |
22ad0b6a | 2590 | void flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
cac5a3d8 DS |
2591 | int build_node_manager(struct f2fs_sb_info *sbi); |
2592 | void destroy_node_manager(struct f2fs_sb_info *sbi); | |
6e6093a8 | 2593 | int __init create_node_manager_caches(void); |
39a53e0c JK |
2594 | void destroy_node_manager_caches(void); |
2595 | ||
2596 | /* | |
2597 | * segment.c | |
2598 | */ | |
b3a97a2a | 2599 | bool need_SSR(struct f2fs_sb_info *sbi); |
cac5a3d8 | 2600 | void register_inmem_page(struct inode *inode, struct page *page); |
57864ae5 | 2601 | void drop_inmem_pages_all(struct f2fs_sb_info *sbi); |
cac5a3d8 | 2602 | void drop_inmem_pages(struct inode *inode); |
8c242db9 | 2603 | void drop_inmem_page(struct inode *inode, struct page *page); |
cac5a3d8 DS |
2604 | int commit_inmem_pages(struct inode *inode); |
2605 | void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need); | |
2606 | void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi); | |
39d787be | 2607 | int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino); |
cac5a3d8 | 2608 | int create_flush_cmd_control(struct f2fs_sb_info *sbi); |
1228b482 | 2609 | int f2fs_flush_device_cache(struct f2fs_sb_info *sbi); |
cac5a3d8 DS |
2610 | void destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free); |
2611 | void invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr); | |
2612 | bool is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr); | |
78997b56 CY |
2613 | void init_discard_policy(struct discard_policy *dpolicy, int discard_type, |
2614 | unsigned int granularity); | |
cce13252 | 2615 | void stop_discard_thread(struct f2fs_sb_info *sbi); |
cf5c759f | 2616 | bool f2fs_wait_discard_bios(struct f2fs_sb_info *sbi); |
cac5a3d8 DS |
2617 | void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
2618 | void release_discard_addrs(struct f2fs_sb_info *sbi); | |
2619 | int npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra); | |
2620 | void allocate_new_segments(struct f2fs_sb_info *sbi); | |
2621 | int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range); | |
2622 | bool exist_trim_candidates(struct f2fs_sb_info *sbi, struct cp_control *cpc); | |
2623 | struct page *get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno); | |
2624 | void update_meta_page(struct f2fs_sb_info *sbi, void *src, block_t blk_addr); | |
b0af6d49 CY |
2625 | void write_meta_page(struct f2fs_sb_info *sbi, struct page *page, |
2626 | enum iostat_type io_type); | |
cac5a3d8 DS |
2627 | void write_node_page(unsigned int nid, struct f2fs_io_info *fio); |
2628 | void write_data_page(struct dnode_of_data *dn, struct f2fs_io_info *fio); | |
d1b3e72d | 2629 | int rewrite_data_page(struct f2fs_io_info *fio); |
cac5a3d8 DS |
2630 | void __f2fs_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, |
2631 | block_t old_blkaddr, block_t new_blkaddr, | |
2632 | bool recover_curseg, bool recover_newaddr); | |
2633 | void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn, | |
2634 | block_t old_addr, block_t new_addr, | |
2635 | unsigned char version, bool recover_curseg, | |
2636 | bool recover_newaddr); | |
2637 | void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, | |
2638 | block_t old_blkaddr, block_t *new_blkaddr, | |
fb830fc5 CY |
2639 | struct f2fs_summary *sum, int type, |
2640 | struct f2fs_io_info *fio, bool add_list); | |
cac5a3d8 DS |
2641 | void f2fs_wait_on_page_writeback(struct page *page, |
2642 | enum page_type type, bool ordered); | |
d4c759ee | 2643 | void f2fs_wait_on_block_writeback(struct f2fs_sb_info *sbi, block_t blkaddr); |
cac5a3d8 DS |
2644 | void write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk); |
2645 | void write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk); | |
2646 | int lookup_journal_in_cursum(struct f2fs_journal *journal, int type, | |
2647 | unsigned int val, int alloc); | |
2648 | void flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); | |
2649 | int build_segment_manager(struct f2fs_sb_info *sbi); | |
2650 | void destroy_segment_manager(struct f2fs_sb_info *sbi); | |
7fd9e544 JK |
2651 | int __init create_segment_manager_caches(void); |
2652 | void destroy_segment_manager_caches(void); | |
39a53e0c JK |
2653 | |
2654 | /* | |
2655 | * checkpoint.c | |
2656 | */ | |
cac5a3d8 DS |
2657 | void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io); |
2658 | struct page *grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); | |
2659 | struct page *get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); | |
2660 | struct page *get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index); | |
2661 | bool is_valid_blkaddr(struct f2fs_sb_info *sbi, block_t blkaddr, int type); | |
2662 | int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, | |
2663 | int type, bool sync); | |
2664 | void ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index); | |
2665 | long sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type, | |
b0af6d49 | 2666 | long nr_to_write, enum iostat_type io_type); |
cac5a3d8 DS |
2667 | void add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); |
2668 | void remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); | |
2669 | void release_ino_entry(struct f2fs_sb_info *sbi, bool all); | |
2670 | bool exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode); | |
39d787be CY |
2671 | void set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, |
2672 | unsigned int devidx, int type); | |
2673 | bool is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, | |
2674 | unsigned int devidx, int type); | |
cac5a3d8 DS |
2675 | int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi); |
2676 | int acquire_orphan_inode(struct f2fs_sb_info *sbi); | |
2677 | void release_orphan_inode(struct f2fs_sb_info *sbi); | |
2678 | void add_orphan_inode(struct inode *inode); | |
2679 | void remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino); | |
2680 | int recover_orphan_inodes(struct f2fs_sb_info *sbi); | |
2681 | int get_valid_checkpoint(struct f2fs_sb_info *sbi); | |
2682 | void update_dirty_page(struct inode *inode, struct page *page); | |
2683 | void remove_dirty_inode(struct inode *inode); | |
2684 | int sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type); | |
2685 | int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc); | |
2686 | void init_ino_entry_info(struct f2fs_sb_info *sbi); | |
6e6093a8 | 2687 | int __init create_checkpoint_caches(void); |
39a53e0c JK |
2688 | void destroy_checkpoint_caches(void); |
2689 | ||
2690 | /* | |
2691 | * data.c | |
2692 | */ | |
b9109b0e JK |
2693 | void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type); |
2694 | void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi, | |
942fd319 | 2695 | struct inode *inode, nid_t ino, pgoff_t idx, |
b9109b0e JK |
2696 | enum page_type type); |
2697 | void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi); | |
cac5a3d8 | 2698 | int f2fs_submit_page_bio(struct f2fs_io_info *fio); |
b9109b0e | 2699 | int f2fs_submit_page_write(struct f2fs_io_info *fio); |
cac5a3d8 DS |
2700 | struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi, |
2701 | block_t blk_addr, struct bio *bio); | |
2702 | int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr); | |
2703 | void set_data_blkaddr(struct dnode_of_data *dn); | |
2704 | void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr); | |
2705 | int reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count); | |
2706 | int reserve_new_block(struct dnode_of_data *dn); | |
2707 | int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index); | |
2708 | int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from); | |
2709 | int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index); | |
2710 | struct page *get_read_data_page(struct inode *inode, pgoff_t index, | |
2711 | int op_flags, bool for_write); | |
2712 | struct page *find_data_page(struct inode *inode, pgoff_t index); | |
2713 | struct page *get_lock_data_page(struct inode *inode, pgoff_t index, | |
2714 | bool for_write); | |
2715 | struct page *get_new_data_page(struct inode *inode, | |
2716 | struct page *ipage, pgoff_t index, bool new_i_size); | |
2717 | int do_write_data_page(struct f2fs_io_info *fio); | |
2718 | int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, | |
2719 | int create, int flag); | |
2720 | int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, | |
2721 | u64 start, u64 len); | |
2722 | void f2fs_set_page_dirty_nobuffers(struct page *page); | |
b0af6d49 CY |
2723 | int __f2fs_write_data_pages(struct address_space *mapping, |
2724 | struct writeback_control *wbc, | |
2725 | enum iostat_type io_type); | |
cac5a3d8 DS |
2726 | void f2fs_invalidate_page(struct page *page, unsigned int offset, |
2727 | unsigned int length); | |
2728 | int f2fs_release_page(struct page *page, gfp_t wait); | |
5b7a487c | 2729 | #ifdef CONFIG_MIGRATION |
cac5a3d8 DS |
2730 | int f2fs_migrate_page(struct address_space *mapping, struct page *newpage, |
2731 | struct page *page, enum migrate_mode mode); | |
5b7a487c | 2732 | #endif |
39a53e0c JK |
2733 | |
2734 | /* | |
2735 | * gc.c | |
2736 | */ | |
cac5a3d8 DS |
2737 | int start_gc_thread(struct f2fs_sb_info *sbi); |
2738 | void stop_gc_thread(struct f2fs_sb_info *sbi); | |
2739 | block_t start_bidx_of_node(unsigned int node_ofs, struct inode *inode); | |
e066b83c JK |
2740 | int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background, |
2741 | unsigned int segno); | |
cac5a3d8 | 2742 | void build_gc_manager(struct f2fs_sb_info *sbi); |
39a53e0c JK |
2743 | |
2744 | /* | |
2745 | * recovery.c | |
2746 | */ | |
cac5a3d8 DS |
2747 | int recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only); |
2748 | bool space_for_roll_forward(struct f2fs_sb_info *sbi); | |
39a53e0c JK |
2749 | |
2750 | /* | |
2751 | * debug.c | |
2752 | */ | |
2753 | #ifdef CONFIG_F2FS_STAT_FS | |
2754 | struct f2fs_stat_info { | |
2755 | struct list_head stat_list; | |
2756 | struct f2fs_sb_info *sbi; | |
39a53e0c JK |
2757 | int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs; |
2758 | int main_area_segs, main_area_sections, main_area_zones; | |
5b7ee374 CY |
2759 | unsigned long long hit_largest, hit_cached, hit_rbtree; |
2760 | unsigned long long hit_total, total_ext; | |
c00ba554 | 2761 | int ext_tree, zombie_tree, ext_node; |
35782b23 JK |
2762 | int ndirty_node, ndirty_dent, ndirty_meta, ndirty_data, ndirty_imeta; |
2763 | int inmem_pages; | |
0f18b462 | 2764 | unsigned int ndirty_dirs, ndirty_files, ndirty_all; |
5b0ef73c JK |
2765 | int nats, dirty_nats, sits, dirty_sits; |
2766 | int free_nids, avail_nids, alloc_nids; | |
39a53e0c | 2767 | int total_count, utilization; |
8b8dd65f | 2768 | int bg_gc, nr_wb_cp_data, nr_wb_data; |
14d8d5f7 CY |
2769 | int nr_flushing, nr_flushed, flush_list_empty; |
2770 | int nr_discarding, nr_discarded; | |
5f32366a | 2771 | int nr_discard_cmd; |
d84d1cbd | 2772 | unsigned int undiscard_blks; |
a00861db | 2773 | int inline_xattr, inline_inode, inline_dir, append, update, orphans; |
648d50ba | 2774 | int aw_cnt, max_aw_cnt, vw_cnt, max_vw_cnt; |
f83a2584 | 2775 | unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks; |
39a53e0c JK |
2776 | unsigned int bimodal, avg_vblocks; |
2777 | int util_free, util_valid, util_invalid; | |
2778 | int rsvd_segs, overp_segs; | |
2779 | int dirty_count, node_pages, meta_pages; | |
42190d2a | 2780 | int prefree_count, call_count, cp_count, bg_cp_count; |
39a53e0c | 2781 | int tot_segs, node_segs, data_segs, free_segs, free_secs; |
e1235983 | 2782 | int bg_node_segs, bg_data_segs; |
39a53e0c | 2783 | int tot_blks, data_blks, node_blks; |
e1235983 | 2784 | int bg_data_blks, bg_node_blks; |
39a53e0c JK |
2785 | int curseg[NR_CURSEG_TYPE]; |
2786 | int cursec[NR_CURSEG_TYPE]; | |
2787 | int curzone[NR_CURSEG_TYPE]; | |
2788 | ||
2789 | unsigned int segment_count[2]; | |
2790 | unsigned int block_count[2]; | |
b9a2c252 | 2791 | unsigned int inplace_count; |
9edcdabf | 2792 | unsigned long long base_mem, cache_mem, page_mem; |
39a53e0c JK |
2793 | }; |
2794 | ||
963d4f7d GZ |
2795 | static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) |
2796 | { | |
6c311ec6 | 2797 | return (struct f2fs_stat_info *)sbi->stat_info; |
963d4f7d GZ |
2798 | } |
2799 | ||
942e0be6 | 2800 | #define stat_inc_cp_count(si) ((si)->cp_count++) |
42190d2a | 2801 | #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++) |
dcdfff65 JK |
2802 | #define stat_inc_call_count(si) ((si)->call_count++) |
2803 | #define stat_inc_bggc_count(sbi) ((sbi)->bg_gc++) | |
33fbd510 CY |
2804 | #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++) |
2805 | #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--) | |
5b7ee374 CY |
2806 | #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext)) |
2807 | #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree)) | |
2808 | #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest)) | |
2809 | #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached)) | |
d5e8f6c9 CY |
2810 | #define stat_inc_inline_xattr(inode) \ |
2811 | do { \ | |
2812 | if (f2fs_has_inline_xattr(inode)) \ | |
2813 | (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \ | |
2814 | } while (0) | |
2815 | #define stat_dec_inline_xattr(inode) \ | |
2816 | do { \ | |
2817 | if (f2fs_has_inline_xattr(inode)) \ | |
2818 | (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \ | |
2819 | } while (0) | |
0dbdc2ae JK |
2820 | #define stat_inc_inline_inode(inode) \ |
2821 | do { \ | |
2822 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 2823 | (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae JK |
2824 | } while (0) |
2825 | #define stat_dec_inline_inode(inode) \ | |
2826 | do { \ | |
2827 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 2828 | (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae | 2829 | } while (0) |
3289c061 JK |
2830 | #define stat_inc_inline_dir(inode) \ |
2831 | do { \ | |
2832 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 2833 | (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 JK |
2834 | } while (0) |
2835 | #define stat_dec_inline_dir(inode) \ | |
2836 | do { \ | |
2837 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 2838 | (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 | 2839 | } while (0) |
dcdfff65 JK |
2840 | #define stat_inc_seg_type(sbi, curseg) \ |
2841 | ((sbi)->segment_count[(curseg)->alloc_type]++) | |
2842 | #define stat_inc_block_count(sbi, curseg) \ | |
2843 | ((sbi)->block_count[(curseg)->alloc_type]++) | |
b9a2c252 CL |
2844 | #define stat_inc_inplace_blocks(sbi) \ |
2845 | (atomic_inc(&(sbi)->inplace_count)) | |
26a28a0c | 2846 | #define stat_inc_atomic_write(inode) \ |
cac5a3d8 | 2847 | (atomic_inc(&F2FS_I_SB(inode)->aw_cnt)) |
26a28a0c | 2848 | #define stat_dec_atomic_write(inode) \ |
cac5a3d8 | 2849 | (atomic_dec(&F2FS_I_SB(inode)->aw_cnt)) |
26a28a0c JK |
2850 | #define stat_update_max_atomic_write(inode) \ |
2851 | do { \ | |
2852 | int cur = atomic_read(&F2FS_I_SB(inode)->aw_cnt); \ | |
2853 | int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \ | |
2854 | if (cur > max) \ | |
2855 | atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \ | |
2856 | } while (0) | |
648d50ba CY |
2857 | #define stat_inc_volatile_write(inode) \ |
2858 | (atomic_inc(&F2FS_I_SB(inode)->vw_cnt)) | |
2859 | #define stat_dec_volatile_write(inode) \ | |
2860 | (atomic_dec(&F2FS_I_SB(inode)->vw_cnt)) | |
2861 | #define stat_update_max_volatile_write(inode) \ | |
2862 | do { \ | |
2863 | int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \ | |
2864 | int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \ | |
2865 | if (cur > max) \ | |
2866 | atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \ | |
2867 | } while (0) | |
e1235983 | 2868 | #define stat_inc_seg_count(sbi, type, gc_type) \ |
39a53e0c | 2869 | do { \ |
963d4f7d | 2870 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
68afcf2d TK |
2871 | si->tot_segs++; \ |
2872 | if ((type) == SUM_TYPE_DATA) { \ | |
39a53e0c | 2873 | si->data_segs++; \ |
e1235983 CL |
2874 | si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \ |
2875 | } else { \ | |
39a53e0c | 2876 | si->node_segs++; \ |
e1235983 CL |
2877 | si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \ |
2878 | } \ | |
39a53e0c JK |
2879 | } while (0) |
2880 | ||
2881 | #define stat_inc_tot_blk_count(si, blks) \ | |
68afcf2d | 2882 | ((si)->tot_blks += (blks)) |
39a53e0c | 2883 | |
e1235983 | 2884 | #define stat_inc_data_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 2885 | do { \ |
963d4f7d | 2886 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
2887 | stat_inc_tot_blk_count(si, blks); \ |
2888 | si->data_blks += (blks); \ | |
68afcf2d | 2889 | si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
2890 | } while (0) |
2891 | ||
e1235983 | 2892 | #define stat_inc_node_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 2893 | do { \ |
963d4f7d | 2894 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
2895 | stat_inc_tot_blk_count(si, blks); \ |
2896 | si->node_blks += (blks); \ | |
68afcf2d | 2897 | si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
2898 | } while (0) |
2899 | ||
cac5a3d8 DS |
2900 | int f2fs_build_stats(struct f2fs_sb_info *sbi); |
2901 | void f2fs_destroy_stats(struct f2fs_sb_info *sbi); | |
787c7b8c | 2902 | int __init f2fs_create_root_stats(void); |
4589d25d | 2903 | void f2fs_destroy_root_stats(void); |
39a53e0c | 2904 | #else |
d66450e7 AB |
2905 | #define stat_inc_cp_count(si) do { } while (0) |
2906 | #define stat_inc_bg_cp_count(si) do { } while (0) | |
2907 | #define stat_inc_call_count(si) do { } while (0) | |
2908 | #define stat_inc_bggc_count(si) do { } while (0) | |
2909 | #define stat_inc_dirty_inode(sbi, type) do { } while (0) | |
2910 | #define stat_dec_dirty_inode(sbi, type) do { } while (0) | |
2911 | #define stat_inc_total_hit(sb) do { } while (0) | |
2912 | #define stat_inc_rbtree_node_hit(sb) do { } while (0) | |
2913 | #define stat_inc_largest_node_hit(sbi) do { } while (0) | |
2914 | #define stat_inc_cached_node_hit(sbi) do { } while (0) | |
2915 | #define stat_inc_inline_xattr(inode) do { } while (0) | |
2916 | #define stat_dec_inline_xattr(inode) do { } while (0) | |
2917 | #define stat_inc_inline_inode(inode) do { } while (0) | |
2918 | #define stat_dec_inline_inode(inode) do { } while (0) | |
2919 | #define stat_inc_inline_dir(inode) do { } while (0) | |
2920 | #define stat_dec_inline_dir(inode) do { } while (0) | |
2921 | #define stat_inc_atomic_write(inode) do { } while (0) | |
2922 | #define stat_dec_atomic_write(inode) do { } while (0) | |
2923 | #define stat_update_max_atomic_write(inode) do { } while (0) | |
2924 | #define stat_inc_volatile_write(inode) do { } while (0) | |
2925 | #define stat_dec_volatile_write(inode) do { } while (0) | |
2926 | #define stat_update_max_volatile_write(inode) do { } while (0) | |
2927 | #define stat_inc_seg_type(sbi, curseg) do { } while (0) | |
2928 | #define stat_inc_block_count(sbi, curseg) do { } while (0) | |
2929 | #define stat_inc_inplace_blocks(sbi) do { } while (0) | |
2930 | #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0) | |
2931 | #define stat_inc_tot_blk_count(si, blks) do { } while (0) | |
2932 | #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0) | |
2933 | #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0) | |
39a53e0c JK |
2934 | |
2935 | static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; } | |
2936 | static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { } | |
787c7b8c | 2937 | static inline int __init f2fs_create_root_stats(void) { return 0; } |
4589d25d | 2938 | static inline void f2fs_destroy_root_stats(void) { } |
39a53e0c JK |
2939 | #endif |
2940 | ||
2941 | extern const struct file_operations f2fs_dir_operations; | |
2942 | extern const struct file_operations f2fs_file_operations; | |
2943 | extern const struct inode_operations f2fs_file_inode_operations; | |
2944 | extern const struct address_space_operations f2fs_dblock_aops; | |
2945 | extern const struct address_space_operations f2fs_node_aops; | |
2946 | extern const struct address_space_operations f2fs_meta_aops; | |
2947 | extern const struct inode_operations f2fs_dir_inode_operations; | |
2948 | extern const struct inode_operations f2fs_symlink_inode_operations; | |
cbaf042a | 2949 | extern const struct inode_operations f2fs_encrypted_symlink_inode_operations; |
39a53e0c | 2950 | extern const struct inode_operations f2fs_special_inode_operations; |
29e7043f | 2951 | extern struct kmem_cache *inode_entry_slab; |
1001b347 | 2952 | |
e18c65b2 HL |
2953 | /* |
2954 | * inline.c | |
2955 | */ | |
cac5a3d8 DS |
2956 | bool f2fs_may_inline_data(struct inode *inode); |
2957 | bool f2fs_may_inline_dentry(struct inode *inode); | |
2958 | void read_inline_data(struct page *page, struct page *ipage); | |
bd4667cb | 2959 | void truncate_inline_inode(struct inode *inode, struct page *ipage, u64 from); |
cac5a3d8 DS |
2960 | int f2fs_read_inline_data(struct inode *inode, struct page *page); |
2961 | int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page); | |
2962 | int f2fs_convert_inline_inode(struct inode *inode); | |
2963 | int f2fs_write_inline_data(struct inode *inode, struct page *page); | |
2964 | bool recover_inline_data(struct inode *inode, struct page *npage); | |
2965 | struct f2fs_dir_entry *find_in_inline_dir(struct inode *dir, | |
2966 | struct fscrypt_name *fname, struct page **res_page); | |
2967 | int make_empty_inline_dir(struct inode *inode, struct inode *parent, | |
2968 | struct page *ipage); | |
2969 | int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name, | |
2970 | const struct qstr *orig_name, | |
2971 | struct inode *inode, nid_t ino, umode_t mode); | |
2972 | void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, struct page *page, | |
2973 | struct inode *dir, struct inode *inode); | |
2974 | bool f2fs_empty_inline_dir(struct inode *dir); | |
2975 | int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx, | |
2976 | struct fscrypt_str *fstr); | |
2977 | int f2fs_inline_data_fiemap(struct inode *inode, | |
2978 | struct fiemap_extent_info *fieinfo, | |
2979 | __u64 start, __u64 len); | |
cde4de12 | 2980 | |
2658e50d JK |
2981 | /* |
2982 | * shrinker.c | |
2983 | */ | |
cac5a3d8 DS |
2984 | unsigned long f2fs_shrink_count(struct shrinker *shrink, |
2985 | struct shrink_control *sc); | |
2986 | unsigned long f2fs_shrink_scan(struct shrinker *shrink, | |
2987 | struct shrink_control *sc); | |
2988 | void f2fs_join_shrinker(struct f2fs_sb_info *sbi); | |
2989 | void f2fs_leave_shrinker(struct f2fs_sb_info *sbi); | |
2658e50d | 2990 | |
a28ef1f5 CY |
2991 | /* |
2992 | * extent_cache.c | |
2993 | */ | |
004b6862 CY |
2994 | struct rb_entry *__lookup_rb_tree(struct rb_root *root, |
2995 | struct rb_entry *cached_re, unsigned int ofs); | |
2996 | struct rb_node **__lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi, | |
2997 | struct rb_root *root, struct rb_node **parent, | |
2998 | unsigned int ofs); | |
2999 | struct rb_entry *__lookup_rb_tree_ret(struct rb_root *root, | |
3000 | struct rb_entry *cached_re, unsigned int ofs, | |
3001 | struct rb_entry **prev_entry, struct rb_entry **next_entry, | |
3002 | struct rb_node ***insert_p, struct rb_node **insert_parent, | |
3003 | bool force); | |
df0f6b44 CY |
3004 | bool __check_rb_tree_consistence(struct f2fs_sb_info *sbi, |
3005 | struct rb_root *root); | |
cac5a3d8 DS |
3006 | unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink); |
3007 | bool f2fs_init_extent_tree(struct inode *inode, struct f2fs_extent *i_ext); | |
3008 | void f2fs_drop_extent_tree(struct inode *inode); | |
3009 | unsigned int f2fs_destroy_extent_node(struct inode *inode); | |
3010 | void f2fs_destroy_extent_tree(struct inode *inode); | |
3011 | bool f2fs_lookup_extent_cache(struct inode *inode, pgoff_t pgofs, | |
3012 | struct extent_info *ei); | |
3013 | void f2fs_update_extent_cache(struct dnode_of_data *dn); | |
19b2c30d | 3014 | void f2fs_update_extent_cache_range(struct dnode_of_data *dn, |
cac5a3d8 DS |
3015 | pgoff_t fofs, block_t blkaddr, unsigned int len); |
3016 | void init_extent_cache_info(struct f2fs_sb_info *sbi); | |
a28ef1f5 CY |
3017 | int __init create_extent_cache(void); |
3018 | void destroy_extent_cache(void); | |
3019 | ||
8ceffcb2 CY |
3020 | /* |
3021 | * sysfs.c | |
3022 | */ | |
dc6b2055 JK |
3023 | int __init f2fs_init_sysfs(void); |
3024 | void f2fs_exit_sysfs(void); | |
3025 | int f2fs_register_sysfs(struct f2fs_sb_info *sbi); | |
3026 | void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi); | |
8ceffcb2 | 3027 | |
cde4de12 JK |
3028 | /* |
3029 | * crypto support | |
3030 | */ | |
0b81d077 | 3031 | static inline bool f2fs_encrypted_inode(struct inode *inode) |
cde4de12 | 3032 | { |
cde4de12 | 3033 | return file_is_encrypt(inode); |
cde4de12 JK |
3034 | } |
3035 | ||
1958593e JK |
3036 | static inline bool f2fs_encrypted_file(struct inode *inode) |
3037 | { | |
3038 | return f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode); | |
3039 | } | |
3040 | ||
cde4de12 JK |
3041 | static inline void f2fs_set_encrypted_inode(struct inode *inode) |
3042 | { | |
3043 | #ifdef CONFIG_F2FS_FS_ENCRYPTION | |
3044 | file_set_encrypt(inode); | |
3045 | #endif | |
3046 | } | |
3047 | ||
3048 | static inline bool f2fs_bio_encrypted(struct bio *bio) | |
3049 | { | |
0b81d077 | 3050 | return bio->bi_private != NULL; |
cde4de12 JK |
3051 | } |
3052 | ||
3053 | static inline int f2fs_sb_has_crypto(struct super_block *sb) | |
3054 | { | |
cde4de12 | 3055 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_ENCRYPT); |
cde4de12 | 3056 | } |
f424f664 | 3057 | |
0bfd7a09 | 3058 | static inline int f2fs_sb_mounted_blkzoned(struct super_block *sb) |
52763a4b | 3059 | { |
0bfd7a09 | 3060 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_BLKZONED); |
52763a4b JK |
3061 | } |
3062 | ||
7a2af766 CY |
3063 | static inline int f2fs_sb_has_extra_attr(struct super_block *sb) |
3064 | { | |
3065 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_EXTRA_ATTR); | |
3066 | } | |
3067 | ||
5c57132e CY |
3068 | static inline int f2fs_sb_has_project_quota(struct super_block *sb) |
3069 | { | |
3070 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_PRJQUOTA); | |
3071 | } | |
3072 | ||
704956ec CY |
3073 | static inline int f2fs_sb_has_inode_chksum(struct super_block *sb) |
3074 | { | |
3075 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_INODE_CHKSUM); | |
3076 | } | |
3077 | ||
6afc662e CY |
3078 | static inline int f2fs_sb_has_flexible_inline_xattr(struct super_block *sb) |
3079 | { | |
3080 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_FLEXIBLE_INLINE_XATTR); | |
3081 | } | |
3082 | ||
234a9689 JK |
3083 | static inline int f2fs_sb_has_quota_ino(struct super_block *sb) |
3084 | { | |
3085 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_QUOTA_INO); | |
3086 | } | |
3087 | ||
178053e2 DLM |
3088 | #ifdef CONFIG_BLK_DEV_ZONED |
3089 | static inline int get_blkz_type(struct f2fs_sb_info *sbi, | |
3c62be17 | 3090 | struct block_device *bdev, block_t blkaddr) |
178053e2 DLM |
3091 | { |
3092 | unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz; | |
3c62be17 | 3093 | int i; |
178053e2 | 3094 | |
3c62be17 JK |
3095 | for (i = 0; i < sbi->s_ndevs; i++) |
3096 | if (FDEV(i).bdev == bdev) | |
3097 | return FDEV(i).blkz_type[zno]; | |
3098 | return -EINVAL; | |
178053e2 DLM |
3099 | } |
3100 | #endif | |
3101 | ||
96ba2dec | 3102 | static inline bool f2fs_discard_en(struct f2fs_sb_info *sbi) |
52763a4b | 3103 | { |
96ba2dec DLM |
3104 | struct request_queue *q = bdev_get_queue(sbi->sb->s_bdev); |
3105 | ||
3106 | return blk_queue_discard(q) || f2fs_sb_mounted_blkzoned(sbi->sb); | |
52763a4b JK |
3107 | } |
3108 | ||
3109 | static inline void set_opt_mode(struct f2fs_sb_info *sbi, unsigned int mt) | |
3110 | { | |
3111 | clear_opt(sbi, ADAPTIVE); | |
3112 | clear_opt(sbi, LFS); | |
3113 | ||
3114 | switch (mt) { | |
3115 | case F2FS_MOUNT_ADAPTIVE: | |
3116 | set_opt(sbi, ADAPTIVE); | |
3117 | break; | |
3118 | case F2FS_MOUNT_LFS: | |
3119 | set_opt(sbi, LFS); | |
3120 | break; | |
3121 | } | |
3122 | } | |
3123 | ||
fcc85a4d JK |
3124 | static inline bool f2fs_may_encrypt(struct inode *inode) |
3125 | { | |
3126 | #ifdef CONFIG_F2FS_FS_ENCRYPTION | |
886f56f9 | 3127 | umode_t mode = inode->i_mode; |
fcc85a4d JK |
3128 | |
3129 | return (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode)); | |
3130 | #else | |
3131 | return 0; | |
3132 | #endif | |
3133 | } | |
3134 | ||
39a53e0c | 3135 | #endif |