Commit | Line | Data |
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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> |
c1286ff4 | 24 | #include <linux/blkdev.h> |
13f00235 JK |
25 | #include <linux/quotaops.h> |
26 | #ifdef CONFIG_F2FS_FS_ENCRYPTION | |
27 | #include <linux/fscrypt_supp.h> | |
28 | #else | |
29 | #include <linux/fscrypt_notsupp.h> | |
30 | #endif | |
c1286ff4 | 31 | #include <crypto/hash.h> |
dc45fd9e | 32 | #include <linux/writeback.h> |
39a53e0c | 33 | |
5d56b671 | 34 | #ifdef CONFIG_F2FS_CHECK_FS |
9850cf4a | 35 | #define f2fs_bug_on(sbi, condition) BUG_ON(condition) |
5d56b671 | 36 | #else |
9850cf4a JK |
37 | #define f2fs_bug_on(sbi, condition) \ |
38 | do { \ | |
39 | if (unlikely(condition)) { \ | |
40 | WARN_ON(1); \ | |
caf0047e | 41 | set_sbi_flag(sbi, SBI_NEED_FSCK); \ |
9850cf4a JK |
42 | } \ |
43 | } while (0) | |
c1286ff4 JK |
44 | #endif |
45 | ||
46 | #ifdef CONFIG_F2FS_FAULT_INJECTION | |
47 | enum { | |
48 | FAULT_KMALLOC, | |
49 | FAULT_PAGE_ALLOC, | |
353c1624 JK |
50 | FAULT_PAGE_GET, |
51 | FAULT_ALLOC_BIO, | |
c1286ff4 JK |
52 | FAULT_ALLOC_NID, |
53 | FAULT_ORPHAN, | |
54 | FAULT_BLOCK, | |
55 | FAULT_DIR_DEPTH, | |
56 | FAULT_EVICT_INODE, | |
13f00235 | 57 | FAULT_TRUNCATE, |
c1286ff4 JK |
58 | FAULT_IO, |
59 | FAULT_CHECKPOINT, | |
60 | FAULT_MAX, | |
61 | }; | |
62 | ||
63 | struct f2fs_fault_info { | |
64 | atomic_t inject_ops; | |
65 | unsigned int inject_rate; | |
66 | unsigned int inject_type; | |
67 | }; | |
68 | ||
69 | extern char *fault_name[FAULT_MAX]; | |
13f00235 | 70 | #define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type))) |
5d56b671 JK |
71 | #endif |
72 | ||
39a53e0c JK |
73 | /* |
74 | * For mount options | |
75 | */ | |
76 | #define F2FS_MOUNT_BG_GC 0x00000001 | |
77 | #define F2FS_MOUNT_DISABLE_ROLL_FORWARD 0x00000002 | |
78 | #define F2FS_MOUNT_DISCARD 0x00000004 | |
79 | #define F2FS_MOUNT_NOHEAP 0x00000008 | |
80 | #define F2FS_MOUNT_XATTR_USER 0x00000010 | |
81 | #define F2FS_MOUNT_POSIX_ACL 0x00000020 | |
82 | #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040 | |
444c580f | 83 | #define F2FS_MOUNT_INLINE_XATTR 0x00000080 |
1001b347 | 84 | #define F2FS_MOUNT_INLINE_DATA 0x00000100 |
34d67deb CY |
85 | #define F2FS_MOUNT_INLINE_DENTRY 0x00000200 |
86 | #define F2FS_MOUNT_FLUSH_MERGE 0x00000400 | |
87 | #define F2FS_MOUNT_NOBARRIER 0x00000800 | |
d5053a34 | 88 | #define F2FS_MOUNT_FASTBOOT 0x00001000 |
89672159 | 89 | #define F2FS_MOUNT_EXTENT_CACHE 0x00002000 |
6aefd93b | 90 | #define F2FS_MOUNT_FORCE_FG_GC 0x00004000 |
c1286ff4 JK |
91 | #define F2FS_MOUNT_DATA_FLUSH 0x00008000 |
92 | #define F2FS_MOUNT_FAULT_INJECTION 0x00010000 | |
93 | #define F2FS_MOUNT_ADAPTIVE 0x00020000 | |
94 | #define F2FS_MOUNT_LFS 0x00040000 | |
13f00235 JK |
95 | #define F2FS_MOUNT_USRQUOTA 0x00080000 |
96 | #define F2FS_MOUNT_GRPQUOTA 0x00100000 | |
97 | #define F2FS_MOUNT_PRJQUOTA 0x00200000 | |
98 | #define F2FS_MOUNT_QUOTA 0x00400000 | |
353c1624 | 99 | #define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00800000 |
39a53e0c | 100 | |
13f00235 JK |
101 | #define clear_opt(sbi, option) ((sbi)->mount_opt.opt &= ~F2FS_MOUNT_##option) |
102 | #define set_opt(sbi, option) ((sbi)->mount_opt.opt |= F2FS_MOUNT_##option) | |
103 | #define test_opt(sbi, option) ((sbi)->mount_opt.opt & F2FS_MOUNT_##option) | |
39a53e0c JK |
104 | |
105 | #define ver_after(a, b) (typecheck(unsigned long long, a) && \ | |
106 | typecheck(unsigned long long, b) && \ | |
107 | ((long long)((a) - (b)) > 0)) | |
108 | ||
a9841c4d JK |
109 | typedef u32 block_t; /* |
110 | * should not change u32, since it is the on-disk block | |
111 | * address format, __le32. | |
112 | */ | |
39a53e0c JK |
113 | typedef u32 nid_t; |
114 | ||
115 | struct f2fs_mount_info { | |
116 | unsigned int opt; | |
117 | }; | |
118 | ||
13f00235 JK |
119 | #define F2FS_FEATURE_ENCRYPT 0x0001 |
120 | #define F2FS_FEATURE_BLKZONED 0x0002 | |
121 | #define F2FS_FEATURE_ATOMIC_WRITE 0x0004 | |
122 | #define F2FS_FEATURE_EXTRA_ATTR 0x0008 | |
123 | #define F2FS_FEATURE_PRJQUOTA 0x0010 | |
124 | #define F2FS_FEATURE_INODE_CHKSUM 0x0020 | |
353c1624 JK |
125 | #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040 |
126 | #define F2FS_FEATURE_QUOTA_INO 0x0080 | |
cde4de12 | 127 | |
76f105a2 JK |
128 | #define F2FS_HAS_FEATURE(sb, mask) \ |
129 | ((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0) | |
130 | #define F2FS_SET_FEATURE(sb, mask) \ | |
13f00235 | 131 | (F2FS_SB(sb)->raw_super->feature |= cpu_to_le32(mask)) |
76f105a2 | 132 | #define F2FS_CLEAR_FEATURE(sb, mask) \ |
13f00235 | 133 | (F2FS_SB(sb)->raw_super->feature &= ~cpu_to_le32(mask)) |
76f105a2 | 134 | |
dc45fd9e JK |
135 | /* bio stuffs */ |
136 | #define REQ_OP_READ READ | |
137 | #define REQ_OP_WRITE WRITE | |
138 | #define bio_op(bio) ((bio)->bi_rw & 1) | |
139 | ||
140 | static inline void bio_set_op_attrs(struct bio *bio, unsigned op, | |
141 | unsigned op_flags) | |
142 | { | |
143 | bio->bi_rw = op | op_flags; | |
144 | } | |
145 | ||
146 | static inline int wbc_to_write_flags(struct writeback_control *wbc) | |
147 | { | |
148 | if (wbc->sync_mode == WB_SYNC_ALL) | |
401c465b | 149 | return REQ_SYNC | REQ_NOIDLE; |
dc45fd9e JK |
150 | return 0; |
151 | } | |
152 | ||
c1286ff4 JK |
153 | /** |
154 | * wq_has_sleeper - check if there are any waiting processes | |
155 | * @wq: wait queue head | |
156 | * | |
157 | * Returns true if wq has waiting processes | |
158 | * | |
159 | * Please refer to the comment for waitqueue_active. | |
160 | */ | |
161 | static inline bool wq_has_sleeper(wait_queue_head_t *wq) | |
39a53e0c | 162 | { |
c1286ff4 JK |
163 | /* |
164 | * We need to be sure we are in sync with the | |
165 | * add_wait_queue modifications to the wait queue. | |
166 | * | |
167 | * This memory barrier should be paired with one on the | |
168 | * waiting side. | |
169 | */ | |
170 | smp_mb(); | |
171 | return waitqueue_active(wq); | |
39a53e0c JK |
172 | } |
173 | ||
c1286ff4 | 174 | static inline void inode_nohighmem(struct inode *inode) |
39a53e0c | 175 | { |
c1286ff4 | 176 | mapping_set_gfp_mask(inode->i_mapping, GFP_USER); |
39a53e0c JK |
177 | } |
178 | ||
dafac77e JK |
179 | /** |
180 | * current_time - Return FS time | |
181 | * @inode: inode. | |
182 | * | |
183 | * Return the current time truncated to the time granularity supported by | |
184 | * the fs. | |
185 | * | |
186 | * Note that inode and inode->sb cannot be NULL. | |
187 | * Otherwise, the function warns and returns time without truncation. | |
188 | */ | |
189 | static inline struct timespec current_time(struct inode *inode) | |
190 | { | |
191 | struct timespec now = current_kernel_time(); | |
192 | ||
193 | if (unlikely(!inode->i_sb)) { | |
194 | WARN(1, "current_time() called with uninitialized super_block in the inode"); | |
195 | return now; | |
196 | } | |
197 | ||
198 | return timespec_trunc(now, inode->i_sb->s_time_gran); | |
199 | } | |
200 | ||
39a53e0c JK |
201 | /* |
202 | * For checkpoint manager | |
203 | */ | |
204 | enum { | |
205 | NAT_BITMAP, | |
206 | SIT_BITMAP | |
207 | }; | |
208 | ||
13f00235 JK |
209 | #define CP_UMOUNT 0x00000001 |
210 | #define CP_FASTBOOT 0x00000002 | |
211 | #define CP_SYNC 0x00000004 | |
212 | #define CP_RECOVERY 0x00000008 | |
213 | #define CP_DISCARD 0x00000010 | |
214 | #define CP_TRIMMED 0x00000020 | |
75ab4cb8 | 215 | |
13f00235 | 216 | #define DEF_BATCHED_TRIM_SECTIONS 2048 |
bba681cb | 217 | #define BATCHED_TRIM_SEGMENTS(sbi) \ |
13f00235 | 218 | (GET_SEG_FROM_SEC(sbi, SM_I(sbi)->trim_sections)) |
a66cdd98 JK |
219 | #define BATCHED_TRIM_BLOCKS(sbi) \ |
220 | (BATCHED_TRIM_SEGMENTS(sbi) << (sbi)->log_blocks_per_seg) | |
13f00235 | 221 | #define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi) |
353c1624 | 222 | #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */ |
13f00235 JK |
223 | #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */ |
224 | #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */ | |
60b99b48 | 225 | #define DEF_CP_INTERVAL 60 /* 60 secs */ |
c1286ff4 | 226 | #define DEF_IDLE_INTERVAL 5 /* 5 secs */ |
bba681cb | 227 | |
75ab4cb8 JK |
228 | struct cp_control { |
229 | int reason; | |
4b2fecc8 JK |
230 | __u64 trim_start; |
231 | __u64 trim_end; | |
232 | __u64 trim_minlen; | |
75ab4cb8 JK |
233 | }; |
234 | ||
662befda | 235 | /* |
81c1a0f1 | 236 | * For CP/NAT/SIT/SSA readahead |
662befda CY |
237 | */ |
238 | enum { | |
239 | META_CP, | |
240 | META_NAT, | |
81c1a0f1 | 241 | META_SIT, |
4c521f49 JK |
242 | META_SSA, |
243 | META_POR, | |
662befda CY |
244 | }; |
245 | ||
6451e041 JK |
246 | /* for the list of ino */ |
247 | enum { | |
248 | ORPHAN_INO, /* for orphan ino list */ | |
fff04f90 JK |
249 | APPEND_INO, /* for append ino list */ |
250 | UPDATE_INO, /* for update ino list */ | |
353c1624 | 251 | FLUSH_INO, /* for multiple device flushing */ |
6451e041 JK |
252 | MAX_INO_ENTRY, /* max. list */ |
253 | }; | |
254 | ||
255 | struct ino_entry { | |
353c1624 JK |
256 | struct list_head list; /* list head */ |
257 | nid_t ino; /* inode number */ | |
258 | unsigned int dirty_device; /* dirty device bitmap */ | |
39a53e0c JK |
259 | }; |
260 | ||
c1286ff4 | 261 | /* for the list of inodes to be GCed */ |
06292073 | 262 | struct inode_entry { |
39a53e0c JK |
263 | struct list_head list; /* list head */ |
264 | struct inode *inode; /* vfs inode pointer */ | |
265 | }; | |
266 | ||
13f00235 | 267 | /* for the bitmap indicate blocks to be discarded */ |
7fd9e544 JK |
268 | struct discard_entry { |
269 | struct list_head list; /* list head */ | |
13f00235 JK |
270 | block_t start_blkaddr; /* start blockaddr of current segment */ |
271 | unsigned char discard_map[SIT_VBLOCK_MAP_SIZE]; /* segment discard bitmap */ | |
272 | }; | |
273 | ||
274 | /* default discard granularity of inner discard thread, unit: block count */ | |
275 | #define DEFAULT_DISCARD_GRANULARITY 16 | |
276 | ||
277 | /* max discard pend list number */ | |
278 | #define MAX_PLIST_NUM 512 | |
279 | #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \ | |
280 | (MAX_PLIST_NUM - 1) : (blk_num - 1)) | |
281 | ||
13f00235 JK |
282 | enum { |
283 | D_PREP, | |
284 | D_SUBMIT, | |
285 | D_DONE, | |
286 | }; | |
287 | ||
288 | struct discard_info { | |
289 | block_t lstart; /* logical start address */ | |
290 | block_t len; /* length */ | |
291 | block_t start; /* actual start address in dev */ | |
7fd9e544 JK |
292 | }; |
293 | ||
eee3f1f5 | 294 | struct discard_cmd { |
13f00235 JK |
295 | struct rb_node rb_node; /* rb node located in rb-tree */ |
296 | union { | |
297 | struct { | |
298 | block_t lstart; /* logical start address */ | |
299 | block_t len; /* length */ | |
300 | block_t start; /* actual start address in dev */ | |
301 | }; | |
302 | struct discard_info di; /* discard info */ | |
303 | ||
304 | }; | |
eee3f1f5 JK |
305 | struct list_head list; /* command list */ |
306 | struct completion wait; /* compleation */ | |
13f00235 JK |
307 | struct block_device *bdev; /* bdev */ |
308 | unsigned short ref; /* reference count */ | |
309 | unsigned char state; /* state */ | |
310 | int error; /* bio error */ | |
311 | }; | |
312 | ||
353c1624 JK |
313 | enum { |
314 | DPOLICY_BG, | |
315 | DPOLICY_FORCE, | |
316 | DPOLICY_FSTRIM, | |
317 | DPOLICY_UMOUNT, | |
318 | MAX_DPOLICY, | |
319 | }; | |
320 | ||
321 | struct discard_policy { | |
322 | int type; /* type of discard */ | |
323 | unsigned int min_interval; /* used for candidates exist */ | |
324 | unsigned int max_interval; /* used for candidates not exist */ | |
325 | unsigned int max_requests; /* # of discards issued per round */ | |
326 | unsigned int io_aware_gran; /* minimum granularity discard not be aware of I/O */ | |
327 | bool io_aware; /* issue discard in idle time */ | |
328 | bool sync; /* submit discard with REQ_SYNC flag */ | |
329 | unsigned int granularity; /* discard granularity */ | |
330 | }; | |
331 | ||
13f00235 JK |
332 | struct discard_cmd_control { |
333 | struct task_struct *f2fs_issue_discard; /* discard thread */ | |
334 | struct list_head entry_list; /* 4KB discard entry list */ | |
335 | struct list_head pend_list[MAX_PLIST_NUM];/* store pending entries */ | |
336 | unsigned char pend_list_tag[MAX_PLIST_NUM];/* tag for pending entries */ | |
337 | struct list_head wait_list; /* store on-flushing entries */ | |
353c1624 | 338 | struct list_head fstrim_list; /* in-flight discard from fstrim */ |
13f00235 JK |
339 | wait_queue_head_t discard_wait_queue; /* waiting queue for wake-up */ |
340 | unsigned int discard_wake; /* to wake up discard thread */ | |
341 | struct mutex cmd_lock; | |
342 | unsigned int nr_discards; /* # of discards in the list */ | |
343 | unsigned int max_discards; /* max. discards to be issued */ | |
344 | unsigned int discard_granularity; /* discard granularity */ | |
345 | unsigned int undiscard_blks; /* # of undiscard blocks */ | |
346 | atomic_t issued_discard; /* # of issued discard */ | |
347 | atomic_t issing_discard; /* # of issing discard */ | |
348 | atomic_t discard_cmd_cnt; /* # of cached cmd count */ | |
349 | struct rb_root root; /* root of discard rb-tree */ | |
c1286ff4 JK |
350 | }; |
351 | ||
39a53e0c JK |
352 | /* for the list of fsync inodes, used only during recovery */ |
353 | struct fsync_inode_entry { | |
354 | struct list_head list; /* list head */ | |
355 | struct inode *inode; /* vfs inode pointer */ | |
c52e1b10 JK |
356 | block_t blkaddr; /* block address locating the last fsync */ |
357 | block_t last_dentry; /* block address locating the last dentry */ | |
39a53e0c JK |
358 | }; |
359 | ||
13f00235 JK |
360 | #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats)) |
361 | #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits)) | |
39a53e0c | 362 | |
13f00235 JK |
363 | #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne) |
364 | #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid) | |
365 | #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se) | |
366 | #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno) | |
39a53e0c | 367 | |
c1286ff4 JK |
368 | #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl)) |
369 | #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl)) | |
309cc2b6 | 370 | |
c1286ff4 | 371 | static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i) |
39a53e0c | 372 | { |
c1286ff4 | 373 | int before = nats_in_cursum(journal); |
13f00235 | 374 | |
c1286ff4 | 375 | journal->n_nats = cpu_to_le16(before + i); |
39a53e0c JK |
376 | return before; |
377 | } | |
378 | ||
c1286ff4 | 379 | static inline int update_sits_in_cursum(struct f2fs_journal *journal, int i) |
39a53e0c | 380 | { |
c1286ff4 | 381 | int before = sits_in_cursum(journal); |
13f00235 | 382 | |
c1286ff4 | 383 | journal->n_sits = cpu_to_le16(before + i); |
39a53e0c JK |
384 | return before; |
385 | } | |
386 | ||
c1286ff4 JK |
387 | static inline bool __has_cursum_space(struct f2fs_journal *journal, |
388 | int size, int type) | |
184a5cd2 CY |
389 | { |
390 | if (type == NAT_JOURNAL) | |
c1286ff4 JK |
391 | return size <= MAX_NAT_JENTRIES(journal); |
392 | return size <= MAX_SIT_JENTRIES(journal); | |
184a5cd2 CY |
393 | } |
394 | ||
e9750824 NJ |
395 | /* |
396 | * ioctl commands | |
397 | */ | |
88b88a66 JK |
398 | #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS |
399 | #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS | |
d49f3e89 | 400 | #define F2FS_IOC_GETVERSION FS_IOC_GETVERSION |
88b88a66 JK |
401 | |
402 | #define F2FS_IOCTL_MAGIC 0xf5 | |
403 | #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1) | |
404 | #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2) | |
02a1335f | 405 | #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3) |
1e84371f JK |
406 | #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4) |
407 | #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5) | |
13f00235 | 408 | #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32) |
456b88e4 | 409 | #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7) |
13f00235 JK |
410 | #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \ |
411 | struct f2fs_defragment) | |
c1286ff4 JK |
412 | #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \ |
413 | struct f2fs_move_range) | |
13f00235 JK |
414 | #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \ |
415 | struct f2fs_flush_device) | |
416 | #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \ | |
417 | struct f2fs_gc_range) | |
418 | #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32) | |
e9750824 | 419 | |
c1286ff4 JK |
420 | #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY |
421 | #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY | |
422 | #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT | |
f424f664 | 423 | |
1abff93d JK |
424 | /* |
425 | * should be same as XFS_IOC_GOINGDOWN. | |
426 | * Flags for going down operation used by FS_IOC_GOINGDOWN | |
427 | */ | |
428 | #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */ | |
429 | #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */ | |
430 | #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */ | |
431 | #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */ | |
c912a829 | 432 | #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */ |
1abff93d | 433 | |
e9750824 NJ |
434 | #if defined(__KERNEL__) && defined(CONFIG_COMPAT) |
435 | /* | |
436 | * ioctl commands in 32 bit emulation | |
437 | */ | |
c1286ff4 JK |
438 | #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS |
439 | #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS | |
440 | #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION | |
e9750824 NJ |
441 | #endif |
442 | ||
13f00235 JK |
443 | struct f2fs_gc_range { |
444 | u32 sync; | |
445 | u64 start; | |
446 | u64 len; | |
447 | }; | |
448 | ||
c1286ff4 JK |
449 | struct f2fs_defragment { |
450 | u64 start; | |
451 | u64 len; | |
6b3bd08f JK |
452 | }; |
453 | ||
c1286ff4 JK |
454 | struct f2fs_move_range { |
455 | u32 dst_fd; /* destination fd */ | |
456 | u64 pos_in; /* start position in src_fd */ | |
457 | u64 pos_out; /* start position in dst_fd */ | |
458 | u64 len; /* size to move */ | |
6b3bd08f JK |
459 | }; |
460 | ||
13f00235 JK |
461 | struct f2fs_flush_device { |
462 | u32 dev_num; /* device number to flush */ | |
463 | u32 segments; /* # of segments to flush */ | |
464 | }; | |
465 | ||
466 | /* for inline stuff */ | |
467 | #define DEF_INLINE_RESERVED_SIZE 1 | |
353c1624 | 468 | #define DEF_MIN_INLINE_SIZE 1 |
13f00235 | 469 | static inline int get_extra_isize(struct inode *inode); |
353c1624 JK |
470 | static inline int get_inline_xattr_addrs(struct inode *inode); |
471 | #define F2FS_INLINE_XATTR_ADDRS(inode) get_inline_xattr_addrs(inode) | |
472 | #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \ | |
473 | (CUR_ADDRS_PER_INODE(inode) - \ | |
474 | F2FS_INLINE_XATTR_ADDRS(inode) - \ | |
475 | DEF_INLINE_RESERVED_SIZE)) | |
13f00235 JK |
476 | |
477 | /* for inline dir */ | |
478 | #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \ | |
479 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
480 | BITS_PER_BYTE + 1)) | |
481 | #define INLINE_DENTRY_BITMAP_SIZE(inode) ((NR_INLINE_DENTRY(inode) + \ | |
482 | BITS_PER_BYTE - 1) / BITS_PER_BYTE) | |
483 | #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \ | |
484 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
485 | NR_INLINE_DENTRY(inode) + \ | |
486 | INLINE_DENTRY_BITMAP_SIZE(inode))) | |
487 | ||
c1286ff4 JK |
488 | /* |
489 | * For INODE and NODE manager | |
490 | */ | |
491 | /* for directory operations */ | |
7b3cd7d6 | 492 | struct f2fs_dentry_ptr { |
d8c6822a | 493 | struct inode *inode; |
13f00235 | 494 | void *bitmap; |
7b3cd7d6 JK |
495 | struct f2fs_dir_entry *dentry; |
496 | __u8 (*filename)[F2FS_SLOT_LEN]; | |
497 | int max; | |
13f00235 | 498 | int nr_bitmap; |
7b3cd7d6 JK |
499 | }; |
500 | ||
13f00235 JK |
501 | static inline void make_dentry_ptr_block(struct inode *inode, |
502 | struct f2fs_dentry_ptr *d, struct f2fs_dentry_block *t) | |
7b3cd7d6 | 503 | { |
d8c6822a | 504 | d->inode = inode; |
13f00235 JK |
505 | d->max = NR_DENTRY_IN_BLOCK; |
506 | d->nr_bitmap = SIZE_OF_DENTRY_BITMAP; | |
507 | d->bitmap = &t->dentry_bitmap; | |
508 | d->dentry = t->dentry; | |
509 | d->filename = t->filename; | |
510 | } | |
d8c6822a | 511 | |
13f00235 JK |
512 | static inline void make_dentry_ptr_inline(struct inode *inode, |
513 | struct f2fs_dentry_ptr *d, void *t) | |
514 | { | |
515 | int entry_cnt = NR_INLINE_DENTRY(inode); | |
516 | int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode); | |
517 | int reserved_size = INLINE_RESERVED_SIZE(inode); | |
518 | ||
519 | d->inode = inode; | |
520 | d->max = entry_cnt; | |
521 | d->nr_bitmap = bitmap_size; | |
522 | d->bitmap = t; | |
523 | d->dentry = t + bitmap_size + reserved_size; | |
524 | d->filename = t + bitmap_size + reserved_size + | |
525 | SIZE_OF_DIR_ENTRY * entry_cnt; | |
7b3cd7d6 JK |
526 | } |
527 | ||
dbe6a5ff JK |
528 | /* |
529 | * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1 | |
530 | * as its node offset to distinguish from index node blocks. | |
531 | * But some bits are used to mark the node block. | |
532 | */ | |
533 | #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \ | |
534 | >> OFFSET_BIT_SHIFT) | |
266e97a8 JK |
535 | enum { |
536 | ALLOC_NODE, /* allocate a new node page if needed */ | |
537 | LOOKUP_NODE, /* look up a node without readahead */ | |
538 | LOOKUP_NODE_RA, /* | |
539 | * look up a node with readahead called | |
4f4124d0 | 540 | * by get_data_block. |
39a53e0c | 541 | */ |
266e97a8 JK |
542 | }; |
543 | ||
a6db67f0 | 544 | #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */ |
39a53e0c | 545 | |
817202d9 CY |
546 | #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */ |
547 | ||
13054c54 CY |
548 | /* vector size for gang look-up from extent cache that consists of radix tree */ |
549 | #define EXT_TREE_VEC_SIZE 64 | |
550 | ||
39a53e0c | 551 | /* for in-memory extent cache entry */ |
13054c54 CY |
552 | #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */ |
553 | ||
554 | /* number of extent info in extent cache we try to shrink */ | |
555 | #define EXTENT_CACHE_SHRINK_NUMBER 128 | |
c11abd1a | 556 | |
13f00235 JK |
557 | struct rb_entry { |
558 | struct rb_node rb_node; /* rb node located in rb-tree */ | |
559 | unsigned int ofs; /* start offset of the entry */ | |
560 | unsigned int len; /* length of the entry */ | |
561 | }; | |
562 | ||
39a53e0c | 563 | struct extent_info { |
13054c54 | 564 | unsigned int fofs; /* start offset in a file */ |
13054c54 | 565 | unsigned int len; /* length of the extent */ |
13f00235 | 566 | u32 blk; /* start block address of the extent */ |
13054c54 CY |
567 | }; |
568 | ||
569 | struct extent_node { | |
13f00235 JK |
570 | struct rb_node rb_node; |
571 | union { | |
572 | struct { | |
573 | unsigned int fofs; | |
574 | unsigned int len; | |
575 | u32 blk; | |
576 | }; | |
577 | struct extent_info ei; /* extent info */ | |
578 | ||
579 | }; | |
13054c54 | 580 | struct list_head list; /* node in global extent list of sbi */ |
c1286ff4 | 581 | struct extent_tree *et; /* extent tree pointer */ |
13054c54 CY |
582 | }; |
583 | ||
584 | struct extent_tree { | |
585 | nid_t ino; /* inode number */ | |
586 | struct rb_root root; /* root of extent info rb-tree */ | |
62c8af65 | 587 | struct extent_node *cached_en; /* recently accessed extent node */ |
3e72f721 | 588 | struct extent_info largest; /* largested extent info */ |
c1286ff4 | 589 | struct list_head list; /* to be used by sbi->zombie_list */ |
13054c54 | 590 | rwlock_t lock; /* protect extent info rb-tree */ |
c1286ff4 | 591 | atomic_t node_cnt; /* # of extent node in rb-tree*/ |
39a53e0c JK |
592 | }; |
593 | ||
003a3e1d JK |
594 | /* |
595 | * This structure is taken from ext4_map_blocks. | |
596 | * | |
597 | * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks(). | |
598 | */ | |
599 | #define F2FS_MAP_NEW (1 << BH_New) | |
600 | #define F2FS_MAP_MAPPED (1 << BH_Mapped) | |
7f63eb77 JK |
601 | #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten) |
602 | #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\ | |
603 | F2FS_MAP_UNWRITTEN) | |
003a3e1d JK |
604 | |
605 | struct f2fs_map_blocks { | |
606 | block_t m_pblk; | |
607 | block_t m_lblk; | |
608 | unsigned int m_len; | |
609 | unsigned int m_flags; | |
c1286ff4 | 610 | pgoff_t *m_next_pgofs; /* point next possible non-hole pgofs */ |
003a3e1d JK |
611 | }; |
612 | ||
e2b4e2bc | 613 | /* for flag in get_data_block */ |
13f00235 JK |
614 | enum { |
615 | F2FS_GET_BLOCK_DEFAULT, | |
616 | F2FS_GET_BLOCK_FIEMAP, | |
617 | F2FS_GET_BLOCK_BMAP, | |
618 | F2FS_GET_BLOCK_PRE_DIO, | |
619 | F2FS_GET_BLOCK_PRE_AIO, | |
620 | }; | |
e2b4e2bc | 621 | |
39a53e0c JK |
622 | /* |
623 | * i_advise uses FADVISE_XXX_BIT. We can add additional hints later. | |
624 | */ | |
625 | #define FADVISE_COLD_BIT 0x01 | |
354a3399 | 626 | #define FADVISE_LOST_PINO_BIT 0x02 |
cde4de12 | 627 | #define FADVISE_ENCRYPT_BIT 0x04 |
e7d55452 | 628 | #define FADVISE_ENC_NAME_BIT 0x08 |
9f495d82 | 629 | #define FADVISE_KEEP_SIZE_BIT 0x10 |
39a53e0c | 630 | |
b5492af7 JK |
631 | #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT) |
632 | #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT) | |
633 | #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT) | |
634 | #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT) | |
635 | #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT) | |
636 | #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT) | |
cde4de12 JK |
637 | #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT) |
638 | #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT) | |
639 | #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT) | |
e7d55452 JK |
640 | #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT) |
641 | #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT) | |
9f495d82 JK |
642 | #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT) |
643 | #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT) | |
cde4de12 | 644 | |
ab9fa662 JK |
645 | #define DEF_DIR_LEVEL 0 |
646 | ||
39a53e0c JK |
647 | struct f2fs_inode_info { |
648 | struct inode vfs_inode; /* serve a vfs inode */ | |
649 | unsigned long i_flags; /* keep an inode flags for ioctl */ | |
650 | unsigned char i_advise; /* use to give file attribute hints */ | |
38431545 | 651 | unsigned char i_dir_level; /* use for dentry level for large dir */ |
39a53e0c | 652 | unsigned int i_current_depth; /* use only in directory structure */ |
6666e6aa | 653 | unsigned int i_pino; /* parent inode number */ |
39a53e0c JK |
654 | umode_t i_acl_mode; /* keep file acl mode temporarily */ |
655 | ||
656 | /* Use below internally in f2fs*/ | |
657 | unsigned long flags; /* use to pass per-file flags */ | |
d928bfbf | 658 | struct rw_semaphore i_sem; /* protect fi info */ |
036ed1b8 | 659 | atomic_t dirty_pages; /* # of dirty pages */ |
39a53e0c JK |
660 | f2fs_hash_t chash; /* hash value of given file name */ |
661 | unsigned int clevel; /* maximum level of given file name */ | |
13f00235 JK |
662 | struct task_struct *task; /* lookup and create consistency */ |
663 | struct task_struct *cp_task; /* separate cp/wb IO stats*/ | |
39a53e0c | 664 | nid_t i_xattr_nid; /* node id that contains xattrs */ |
c1286ff4 | 665 | loff_t last_disk_size; /* lastly written file size */ |
88b88a66 | 666 | |
13f00235 JK |
667 | #ifdef CONFIG_QUOTA |
668 | struct dquot *i_dquot[MAXQUOTAS]; | |
669 | ||
670 | /* quota space reservation, managed internally by quota code */ | |
671 | qsize_t i_reserved_quota; | |
672 | #endif | |
c1286ff4 JK |
673 | struct list_head dirty_list; /* dirty list for dirs and files */ |
674 | struct list_head gdirty_list; /* linked in global dirty list */ | |
353c1624 | 675 | struct list_head inmem_ilist; /* list for inmem inodes */ |
88b88a66 | 676 | struct list_head inmem_pages; /* inmemory pages managed by f2fs */ |
13f00235 | 677 | struct task_struct *inmem_task; /* store inmemory task */ |
88b88a66 | 678 | struct mutex inmem_lock; /* lock for inmemory pages */ |
3e72f721 | 679 | struct extent_tree *extent_tree; /* cached extent_tree entry */ |
c1286ff4 | 680 | struct rw_semaphore dio_rwsem[2];/* avoid racing between dio and gc */ |
13f00235 JK |
681 | struct rw_semaphore i_mmap_sem; |
682 | struct rw_semaphore i_xattr_sem; /* avoid racing between reading and changing EAs */ | |
683 | ||
684 | int i_extra_isize; /* size of extra space located in i_addr */ | |
685 | kprojid_t i_projid; /* id for project quota */ | |
353c1624 | 686 | int i_inline_xattr_size; /* inline xattr size */ |
39a53e0c JK |
687 | }; |
688 | ||
689 | static inline void get_extent_info(struct extent_info *ext, | |
c1286ff4 | 690 | struct f2fs_extent *i_ext) |
39a53e0c | 691 | { |
c1286ff4 JK |
692 | ext->fofs = le32_to_cpu(i_ext->fofs); |
693 | ext->blk = le32_to_cpu(i_ext->blk); | |
694 | ext->len = le32_to_cpu(i_ext->len); | |
39a53e0c JK |
695 | } |
696 | ||
697 | static inline void set_raw_extent(struct extent_info *ext, | |
698 | struct f2fs_extent *i_ext) | |
699 | { | |
39a53e0c | 700 | i_ext->fofs = cpu_to_le32(ext->fofs); |
4d0b0bd4 | 701 | i_ext->blk = cpu_to_le32(ext->blk); |
39a53e0c | 702 | i_ext->len = cpu_to_le32(ext->len); |
39a53e0c JK |
703 | } |
704 | ||
429511cd CY |
705 | static inline void set_extent_info(struct extent_info *ei, unsigned int fofs, |
706 | u32 blk, unsigned int len) | |
707 | { | |
708 | ei->fofs = fofs; | |
709 | ei->blk = blk; | |
710 | ei->len = len; | |
711 | } | |
712 | ||
13f00235 JK |
713 | static inline bool __is_discard_mergeable(struct discard_info *back, |
714 | struct discard_info *front) | |
0bdee482 | 715 | { |
13f00235 JK |
716 | return back->lstart + back->len == front->lstart; |
717 | } | |
718 | ||
719 | static inline bool __is_discard_back_mergeable(struct discard_info *cur, | |
720 | struct discard_info *back) | |
721 | { | |
722 | return __is_discard_mergeable(back, cur); | |
723 | } | |
724 | ||
725 | static inline bool __is_discard_front_mergeable(struct discard_info *cur, | |
726 | struct discard_info *front) | |
727 | { | |
728 | return __is_discard_mergeable(cur, front); | |
0bdee482 CY |
729 | } |
730 | ||
429511cd CY |
731 | static inline bool __is_extent_mergeable(struct extent_info *back, |
732 | struct extent_info *front) | |
733 | { | |
734 | return (back->fofs + back->len == front->fofs && | |
735 | back->blk + back->len == front->blk); | |
736 | } | |
737 | ||
738 | static inline bool __is_back_mergeable(struct extent_info *cur, | |
739 | struct extent_info *back) | |
740 | { | |
741 | return __is_extent_mergeable(back, cur); | |
742 | } | |
743 | ||
744 | static inline bool __is_front_mergeable(struct extent_info *cur, | |
745 | struct extent_info *front) | |
746 | { | |
747 | return __is_extent_mergeable(cur, front); | |
748 | } | |
749 | ||
13f00235 | 750 | extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync); |
c1286ff4 JK |
751 | static inline void __try_update_largest_extent(struct inode *inode, |
752 | struct extent_tree *et, struct extent_node *en) | |
4abd3f5a | 753 | { |
c1286ff4 | 754 | if (en->ei.len > et->largest.len) { |
4abd3f5a | 755 | et->largest = en->ei; |
0ef31c7b | 756 | f2fs_mark_inode_dirty_sync(inode, true); |
c1286ff4 | 757 | } |
4abd3f5a CY |
758 | } |
759 | ||
353c1624 JK |
760 | /* |
761 | * For free nid management | |
762 | */ | |
763 | enum nid_state { | |
764 | FREE_NID, /* newly added to free nid list */ | |
765 | PREALLOC_NID, /* it is preallocated */ | |
766 | MAX_NID_STATE, | |
e18c2624 CY |
767 | }; |
768 | ||
39a53e0c JK |
769 | struct f2fs_nm_info { |
770 | block_t nat_blkaddr; /* base disk address of NAT */ | |
771 | nid_t max_nid; /* maximum possible node ids */ | |
031017c6 | 772 | nid_t available_nids; /* # of available node ids */ |
39a53e0c | 773 | nid_t next_scan_nid; /* the next nid to be scanned */ |
cdfc41c1 | 774 | unsigned int ram_thresh; /* control the memory footprint */ |
ea1a29a0 | 775 | unsigned int ra_nid_pages; /* # of nid pages to be readaheaded */ |
c1286ff4 | 776 | unsigned int dirty_nats_ratio; /* control dirty nats ratio threshold */ |
39a53e0c JK |
777 | |
778 | /* NAT cache management */ | |
779 | struct radix_tree_root nat_root;/* root of the nat entry cache */ | |
309cc2b6 | 780 | struct radix_tree_root nat_set_root;/* root of the nat set cache */ |
8b26ef98 | 781 | struct rw_semaphore nat_tree_lock; /* protect nat_tree_lock */ |
39a53e0c | 782 | struct list_head nat_entries; /* cached nat entry list (clean) */ |
309cc2b6 | 783 | unsigned int nat_cnt; /* the # of cached nat entries */ |
aec71382 | 784 | unsigned int dirty_nat_cnt; /* total num of nat entries in set */ |
13f00235 | 785 | unsigned int nat_blocks; /* # of nat blocks */ |
39a53e0c JK |
786 | |
787 | /* free node ids management */ | |
8a7ed66a | 788 | struct radix_tree_root free_nid_root;/* root of the free_nid cache */ |
353c1624 JK |
789 | struct list_head free_nid_list; /* list for free nids excluding preallocated nids */ |
790 | unsigned int nid_cnt[MAX_NID_STATE]; /* the number of free node id */ | |
e18c2624 | 791 | spinlock_t nid_list_lock; /* protect nid lists ops */ |
39a53e0c | 792 | struct mutex build_lock; /* lock for build free nids */ |
13f00235 JK |
793 | unsigned char (*free_nid_bitmap)[NAT_ENTRY_BITMAP_SIZE]; |
794 | unsigned char *nat_block_bitmap; | |
795 | unsigned short *free_nid_count; /* free nid count of NAT block */ | |
39a53e0c JK |
796 | |
797 | /* for checkpoint */ | |
798 | char *nat_bitmap; /* NAT bitmap pointer */ | |
13f00235 JK |
799 | |
800 | unsigned int nat_bits_blocks; /* # of nat bits blocks */ | |
801 | unsigned char *nat_bits; /* NAT bits blocks */ | |
802 | unsigned char *full_nat_bits; /* full NAT pages */ | |
803 | unsigned char *empty_nat_bits; /* empty NAT pages */ | |
5c53448f CY |
804 | #ifdef CONFIG_F2FS_CHECK_FS |
805 | char *nat_bitmap_mir; /* NAT bitmap mirror */ | |
806 | #endif | |
39a53e0c JK |
807 | int bitmap_size; /* bitmap size */ |
808 | }; | |
809 | ||
810 | /* | |
811 | * this structure is used as one of function parameters. | |
812 | * all the information are dedicated to a given direct node block determined | |
813 | * by the data offset in a file. | |
814 | */ | |
815 | struct dnode_of_data { | |
816 | struct inode *inode; /* vfs inode pointer */ | |
817 | struct page *inode_page; /* its inode page, NULL is possible */ | |
818 | struct page *node_page; /* cached direct node page */ | |
819 | nid_t nid; /* node id of the direct node block */ | |
820 | unsigned int ofs_in_node; /* data offset in the node page */ | |
821 | bool inode_page_locked; /* inode page is locked or not */ | |
c1286ff4 JK |
822 | bool node_changed; /* is node block changed */ |
823 | char cur_level; /* level of hole node page */ | |
824 | char max_level; /* level of current page located */ | |
39a53e0c JK |
825 | block_t data_blkaddr; /* block address of the node block */ |
826 | }; | |
827 | ||
828 | static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode, | |
829 | struct page *ipage, struct page *npage, nid_t nid) | |
830 | { | |
d66d1f76 | 831 | memset(dn, 0, sizeof(*dn)); |
39a53e0c JK |
832 | dn->inode = inode; |
833 | dn->inode_page = ipage; | |
834 | dn->node_page = npage; | |
835 | dn->nid = nid; | |
39a53e0c JK |
836 | } |
837 | ||
838 | /* | |
839 | * For SIT manager | |
840 | * | |
841 | * By default, there are 6 active log areas across the whole main area. | |
842 | * When considering hot and cold data separation to reduce cleaning overhead, | |
843 | * we split 3 for data logs and 3 for node logs as hot, warm, and cold types, | |
844 | * respectively. | |
845 | * In the current design, you should not change the numbers intentionally. | |
846 | * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6 | |
847 | * logs individually according to the underlying devices. (default: 6) | |
848 | * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for | |
849 | * data and 8 for node logs. | |
850 | */ | |
851 | #define NR_CURSEG_DATA_TYPE (3) | |
852 | #define NR_CURSEG_NODE_TYPE (3) | |
853 | #define NR_CURSEG_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE) | |
854 | ||
855 | enum { | |
856 | CURSEG_HOT_DATA = 0, /* directory entry blocks */ | |
857 | CURSEG_WARM_DATA, /* data blocks */ | |
858 | CURSEG_COLD_DATA, /* multimedia or GCed data blocks */ | |
859 | CURSEG_HOT_NODE, /* direct node blocks of directory files */ | |
860 | CURSEG_WARM_NODE, /* direct node blocks of normal files */ | |
861 | CURSEG_COLD_NODE, /* indirect node blocks */ | |
38aa0889 | 862 | NO_CHECK_TYPE, |
39a53e0c JK |
863 | }; |
864 | ||
6b4afdd7 | 865 | struct flush_cmd { |
6b4afdd7 | 866 | struct completion wait; |
721bd4d5 | 867 | struct llist_node llnode; |
353c1624 | 868 | nid_t ino; |
6b4afdd7 JK |
869 | int ret; |
870 | }; | |
871 | ||
a688b9d9 GZ |
872 | struct flush_cmd_control { |
873 | struct task_struct *f2fs_issue_flush; /* flush thread */ | |
874 | wait_queue_head_t flush_wait_queue; /* waiting queue for wake-up */ | |
13f00235 JK |
875 | atomic_t issued_flush; /* # of issued flushes */ |
876 | atomic_t issing_flush; /* # of issing flushes */ | |
721bd4d5 GZ |
877 | struct llist_head issue_list; /* list for command issue */ |
878 | struct llist_node *dispatch_list; /* list for command dispatch */ | |
a688b9d9 GZ |
879 | }; |
880 | ||
39a53e0c JK |
881 | struct f2fs_sm_info { |
882 | struct sit_info *sit_info; /* whole segment information */ | |
883 | struct free_segmap_info *free_info; /* free segment information */ | |
884 | struct dirty_seglist_info *dirty_info; /* dirty segment information */ | |
885 | struct curseg_info *curseg_array; /* active segment information */ | |
886 | ||
353c1624 JK |
887 | struct rw_semaphore curseg_lock; /* for preventing curseg change */ |
888 | ||
39a53e0c JK |
889 | block_t seg0_blkaddr; /* block address of 0'th segment */ |
890 | block_t main_blkaddr; /* start block address of main area */ | |
891 | block_t ssa_blkaddr; /* start block address of SSA area */ | |
892 | ||
893 | unsigned int segment_count; /* total # of segments */ | |
894 | unsigned int main_segments; /* # of segments in main area */ | |
895 | unsigned int reserved_segments; /* # of reserved segments */ | |
896 | unsigned int ovp_segments; /* # of overprovision segments */ | |
81eb8d6e JK |
897 | |
898 | /* a threshold to reclaim prefree segments */ | |
899 | unsigned int rec_prefree_segments; | |
7fd9e544 | 900 | |
bba681cb JK |
901 | /* for batched trimming */ |
902 | unsigned int trim_sections; /* # of sections to trim */ | |
903 | ||
184a5cd2 CY |
904 | struct list_head sit_entry_set; /* sit entry set list */ |
905 | ||
216fbd64 JK |
906 | unsigned int ipu_policy; /* in-place-update policy */ |
907 | unsigned int min_ipu_util; /* in-place-update threshold */ | |
c1ce1b02 | 908 | unsigned int min_fsync_blocks; /* threshold for fsync */ |
13f00235 | 909 | unsigned int min_hot_blocks; /* threshold for hot block allocation */ |
353c1624 | 910 | unsigned int min_ssr_sections; /* threshold to trigger SSR allocation */ |
6b4afdd7 JK |
911 | |
912 | /* for flush command control */ | |
eee3f1f5 | 913 | struct flush_cmd_control *fcc_info; |
13f00235 JK |
914 | |
915 | /* for discard command control */ | |
916 | struct discard_cmd_control *dcc_info; | |
39a53e0c JK |
917 | }; |
918 | ||
39a53e0c JK |
919 | /* |
920 | * For superblock | |
921 | */ | |
922 | /* | |
923 | * COUNT_TYPE for monitoring | |
924 | * | |
925 | * f2fs monitors the number of several block types such as on-writeback, | |
926 | * dirty dentry blocks, dirty node blocks, and dirty meta blocks. | |
927 | */ | |
9e266223 | 928 | #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA) |
39a53e0c | 929 | enum count_type { |
39a53e0c | 930 | F2FS_DIRTY_DENTS, |
c1286ff4 | 931 | F2FS_DIRTY_DATA, |
353c1624 | 932 | F2FS_DIRTY_QDATA, |
39a53e0c JK |
933 | F2FS_DIRTY_NODES, |
934 | F2FS_DIRTY_META, | |
8dcf2ff7 | 935 | F2FS_INMEM_PAGES, |
c1286ff4 | 936 | F2FS_DIRTY_IMETA, |
9e266223 CY |
937 | F2FS_WB_CP_DATA, |
938 | F2FS_WB_DATA, | |
39a53e0c JK |
939 | NR_COUNT_TYPE, |
940 | }; | |
941 | ||
39a53e0c | 942 | /* |
e1c42045 | 943 | * The below are the page types of bios used in submit_bio(). |
39a53e0c JK |
944 | * The available types are: |
945 | * DATA User data pages. It operates as async mode. | |
946 | * NODE Node pages. It operates as async mode. | |
947 | * META FS metadata pages such as SIT, NAT, CP. | |
948 | * NR_PAGE_TYPE The number of page types. | |
949 | * META_FLUSH Make sure the previous pages are written | |
950 | * with waiting the bio's completion | |
951 | * ... Only can be used with META. | |
952 | */ | |
7d5e5109 | 953 | #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type)) |
39a53e0c JK |
954 | enum page_type { |
955 | DATA, | |
956 | NODE, | |
957 | META, | |
958 | NR_PAGE_TYPE, | |
959 | META_FLUSH, | |
8ce67cb0 JK |
960 | INMEM, /* the below types are used by tracepoints only. */ |
961 | INMEM_DROP, | |
13f00235 | 962 | INMEM_INVALIDATE, |
c1286ff4 | 963 | INMEM_REVOKE, |
8ce67cb0 JK |
964 | IPU, |
965 | OPU, | |
39a53e0c JK |
966 | }; |
967 | ||
13f00235 JK |
968 | enum temp_type { |
969 | HOT = 0, /* must be zero for meta bio */ | |
970 | WARM, | |
971 | COLD, | |
972 | NR_TEMP_TYPE, | |
973 | }; | |
974 | ||
975 | enum need_lock_type { | |
976 | LOCK_REQ = 0, | |
977 | LOCK_DONE, | |
978 | LOCK_RETRY, | |
979 | }; | |
980 | ||
353c1624 JK |
981 | enum cp_reason_type { |
982 | CP_NO_NEEDED, | |
983 | CP_NON_REGULAR, | |
984 | CP_HARDLINK, | |
985 | CP_SB_NEED_CP, | |
986 | CP_WRONG_PINO, | |
987 | CP_NO_SPC_ROLL, | |
988 | CP_NODE_NEED_CP, | |
989 | CP_FASTBOOT_MODE, | |
990 | CP_SPEC_LOG_NUM, | |
991 | }; | |
992 | ||
13f00235 JK |
993 | enum iostat_type { |
994 | APP_DIRECT_IO, /* app direct IOs */ | |
995 | APP_BUFFERED_IO, /* app buffered IOs */ | |
996 | APP_WRITE_IO, /* app write IOs */ | |
997 | APP_MAPPED_IO, /* app mapped IOs */ | |
998 | FS_DATA_IO, /* data IOs from kworker/fsync/reclaimer */ | |
999 | FS_NODE_IO, /* node IOs from kworker/fsync/reclaimer */ | |
1000 | FS_META_IO, /* meta IOs from kworker/reclaimer */ | |
1001 | FS_GC_DATA_IO, /* data IOs from forground gc */ | |
1002 | FS_GC_NODE_IO, /* node IOs from forground gc */ | |
1003 | FS_CP_DATA_IO, /* data IOs from checkpoint */ | |
1004 | FS_CP_NODE_IO, /* node IOs from checkpoint */ | |
1005 | FS_CP_META_IO, /* meta IOs from checkpoint */ | |
1006 | FS_DISCARD, /* discard */ | |
1007 | NR_IO_TYPE, | |
1008 | }; | |
1009 | ||
458e6197 | 1010 | struct f2fs_io_info { |
05ca3632 | 1011 | struct f2fs_sb_info *sbi; /* f2fs_sb_info pointer */ |
353c1624 | 1012 | nid_t ino; /* inode number */ |
7e8f2308 | 1013 | enum page_type type; /* contains DATA/NODE/META/META_FLUSH */ |
13f00235 | 1014 | enum temp_type temp; /* contains HOT/WARM/COLD */ |
dc45fd9e JK |
1015 | int op; /* contains REQ_OP_ */ |
1016 | int op_flags; /* req_flag_bits */ | |
c1286ff4 JK |
1017 | block_t new_blkaddr; /* new block address to be written */ |
1018 | block_t old_blkaddr; /* old block address before Cow */ | |
05ca3632 | 1019 | struct page *page; /* page to be written */ |
4375a336 | 1020 | struct page *encrypted_page; /* encrypted page */ |
13f00235 JK |
1021 | struct list_head list; /* serialize IOs */ |
1022 | bool submitted; /* indicate IO submission */ | |
1023 | int need_lock; /* indicate we need to lock cp_rwsem */ | |
1024 | bool in_list; /* indicate fio is in io_list */ | |
1025 | enum iostat_type io_type; /* io type */ | |
458e6197 JK |
1026 | }; |
1027 | ||
13f00235 | 1028 | #define is_read_io(rw) ((rw) == READ) |
1ff7bd3b | 1029 | struct f2fs_bio_info { |
458e6197 | 1030 | struct f2fs_sb_info *sbi; /* f2fs superblock */ |
1ff7bd3b JK |
1031 | struct bio *bio; /* bios to merge */ |
1032 | sector_t last_block_in_bio; /* last block number */ | |
458e6197 | 1033 | struct f2fs_io_info fio; /* store buffered io info. */ |
df0f8dc0 | 1034 | struct rw_semaphore io_rwsem; /* blocking op for bio */ |
13f00235 JK |
1035 | spinlock_t io_lock; /* serialize DATA/NODE IOs */ |
1036 | struct list_head io_list; /* track fios */ | |
1ff7bd3b JK |
1037 | }; |
1038 | ||
07f01079 JK |
1039 | #define FDEV(i) (sbi->devs[i]) |
1040 | #define RDEV(i) (raw_super->devs[i]) | |
1041 | struct f2fs_dev_info { | |
1042 | struct block_device *bdev; | |
1043 | char path[MAX_PATH_LEN]; | |
1044 | unsigned int total_segments; | |
1045 | block_t start_blk; | |
1046 | block_t end_blk; | |
1047 | #ifdef CONFIG_BLK_DEV_ZONED | |
1048 | unsigned int nr_blkz; /* Total number of zones */ | |
1049 | u8 *blkz_type; /* Array of zones type */ | |
1050 | #endif | |
1051 | }; | |
1052 | ||
c1286ff4 JK |
1053 | enum inode_type { |
1054 | DIR_INODE, /* for dirty dir inode */ | |
1055 | FILE_INODE, /* for dirty regular/symlink inode */ | |
1056 | DIRTY_META, /* for all dirtied inode metadata */ | |
353c1624 | 1057 | ATOMIC_FILE, /* for all atomic files */ |
c1286ff4 JK |
1058 | NR_INODE_TYPE, |
1059 | }; | |
1060 | ||
67298804 CY |
1061 | /* for inner inode cache management */ |
1062 | struct inode_management { | |
1063 | struct radix_tree_root ino_root; /* ino entry array */ | |
1064 | spinlock_t ino_lock; /* for ino entry lock */ | |
1065 | struct list_head ino_list; /* inode list head */ | |
1066 | unsigned long ino_num; /* number of entries */ | |
1067 | }; | |
1068 | ||
caf0047e CY |
1069 | /* For s_flag in struct f2fs_sb_info */ |
1070 | enum { | |
1071 | SBI_IS_DIRTY, /* dirty flag for checkpoint */ | |
1072 | SBI_IS_CLOSE, /* specify unmounting */ | |
1073 | SBI_NEED_FSCK, /* need fsck.f2fs to fix */ | |
1074 | SBI_POR_DOING, /* recovery is doing or not */ | |
c1286ff4 JK |
1075 | SBI_NEED_SB_WRITE, /* need to recover superblock */ |
1076 | SBI_NEED_CP, /* need to checkpoint */ | |
1077 | }; | |
1078 | ||
1079 | enum { | |
1080 | CP_TIME, | |
1081 | REQ_TIME, | |
1082 | MAX_TIME, | |
caf0047e CY |
1083 | }; |
1084 | ||
39a53e0c JK |
1085 | struct f2fs_sb_info { |
1086 | struct super_block *sb; /* pointer to VFS super block */ | |
5e176d54 | 1087 | struct proc_dir_entry *s_proc; /* proc entry */ |
39a53e0c | 1088 | struct f2fs_super_block *raw_super; /* raw super block pointer */ |
c1286ff4 JK |
1089 | int valid_super_block; /* valid super block no */ |
1090 | unsigned long s_flag; /* flags for sbi */ | |
39a53e0c | 1091 | |
018fc18e | 1092 | #ifdef CONFIG_BLK_DEV_ZONED |
018fc18e DLM |
1093 | unsigned int blocks_per_blkz; /* F2FS blocks per zone */ |
1094 | unsigned int log_blocks_per_blkz; /* log2 F2FS blocks per zone */ | |
018fc18e DLM |
1095 | #endif |
1096 | ||
39a53e0c JK |
1097 | /* for node-related operations */ |
1098 | struct f2fs_nm_info *nm_info; /* node manager */ | |
1099 | struct inode *node_inode; /* cache node blocks */ | |
1100 | ||
1101 | /* for segment-related operations */ | |
1102 | struct f2fs_sm_info *sm_info; /* segment manager */ | |
1ff7bd3b JK |
1103 | |
1104 | /* for bio operations */ | |
13f00235 JK |
1105 | struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */ |
1106 | struct mutex wio_mutex[NR_PAGE_TYPE - 1][NR_TEMP_TYPE]; | |
1107 | /* bio ordering for NODE/DATA */ | |
b3fcb700 JK |
1108 | int write_io_size_bits; /* Write IO size bits */ |
1109 | mempool_t *write_io_dummy; /* Dummy pages */ | |
39a53e0c JK |
1110 | |
1111 | /* for checkpoint */ | |
1112 | struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */ | |
6b266c3a | 1113 | int cur_cp_pack; /* remain current cp pack */ |
c1286ff4 | 1114 | spinlock_t cp_lock; /* for flag in ckpt */ |
39a53e0c | 1115 | struct inode *meta_inode; /* cache meta blocks */ |
39936837 | 1116 | struct mutex cp_mutex; /* checkpoint procedure lock */ |
e479556b | 1117 | struct rw_semaphore cp_rwsem; /* blocking FS operations */ |
b3582c68 | 1118 | struct rw_semaphore node_write; /* locking node writes */ |
13f00235 | 1119 | struct rw_semaphore node_change; /* locking node change */ |
fb51b5ef | 1120 | wait_queue_head_t cp_wait; |
c1286ff4 JK |
1121 | unsigned long last_time[MAX_TIME]; /* to store time in jiffies */ |
1122 | long interval_time[MAX_TIME]; /* to store thresholds */ | |
39a53e0c | 1123 | |
67298804 | 1124 | struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */ |
6451e041 JK |
1125 | |
1126 | /* for orphan inode, use 0'th array */ | |
0d47c1ad | 1127 | unsigned int max_orphans; /* max orphan inodes */ |
39a53e0c | 1128 | |
c1286ff4 JK |
1129 | /* for inode management */ |
1130 | struct list_head inode_list[NR_INODE_TYPE]; /* dirty inode list */ | |
1131 | spinlock_t inode_lock[NR_INODE_TYPE]; /* for dirty inode list lock */ | |
39a53e0c | 1132 | |
13054c54 CY |
1133 | /* for extent tree cache */ |
1134 | struct radix_tree_root extent_tree_root;/* cache extent cache entries */ | |
13f00235 | 1135 | struct mutex extent_tree_lock; /* locking extent radix tree */ |
13054c54 CY |
1136 | struct list_head extent_list; /* lru list for shrinker */ |
1137 | spinlock_t extent_lock; /* locking extent lru list */ | |
c1286ff4 JK |
1138 | atomic_t total_ext_tree; /* extent tree count */ |
1139 | struct list_head zombie_list; /* extent zombie tree list */ | |
1140 | atomic_t total_zombie_tree; /* extent zombie tree count */ | |
13054c54 CY |
1141 | atomic_t total_ext_node; /* extent info count */ |
1142 | ||
e1c42045 | 1143 | /* basic filesystem units */ |
39a53e0c JK |
1144 | unsigned int log_sectors_per_block; /* log2 sectors per block */ |
1145 | unsigned int log_blocksize; /* log2 block size */ | |
1146 | unsigned int blocksize; /* block size */ | |
1147 | unsigned int root_ino_num; /* root inode number*/ | |
1148 | unsigned int node_ino_num; /* node inode number*/ | |
1149 | unsigned int meta_ino_num; /* meta inode number*/ | |
1150 | unsigned int log_blocks_per_seg; /* log2 blocks per segment */ | |
1151 | unsigned int blocks_per_seg; /* blocks per segment */ | |
1152 | unsigned int segs_per_sec; /* segments per section */ | |
1153 | unsigned int secs_per_zone; /* sections per zone */ | |
1154 | unsigned int total_sections; /* total section count */ | |
1155 | unsigned int total_node_count; /* total node block count */ | |
1156 | unsigned int total_valid_node_count; /* valid node block count */ | |
c1286ff4 | 1157 | loff_t max_file_blocks; /* max block index of file */ |
39a53e0c | 1158 | int active_logs; /* # of active logs */ |
ab9fa662 | 1159 | int dir_level; /* directory level */ |
353c1624 JK |
1160 | int inline_xattr_size; /* inline xattr size */ |
1161 | unsigned int trigger_ssr_threshold; /* threshold to trigger ssr */ | |
39a53e0c JK |
1162 | |
1163 | block_t user_block_count; /* # of user blocks */ | |
1164 | block_t total_valid_block_count; /* # of valid blocks */ | |
a66cdd98 | 1165 | block_t discard_blks; /* discard command candidats */ |
39a53e0c | 1166 | block_t last_valid_block_count; /* for recovery */ |
13f00235 | 1167 | block_t reserved_blocks; /* configurable reserved blocks */ |
353c1624 | 1168 | block_t current_reserved_blocks; /* current reserved blocks */ |
13f00235 | 1169 | |
39a53e0c | 1170 | u32 s_next_generation; /* for NFS support */ |
c1286ff4 JK |
1171 | |
1172 | /* # of pages, see count_type */ | |
3f137dda | 1173 | atomic_t nr_pages[NR_COUNT_TYPE]; |
c1286ff4 JK |
1174 | /* # of allocated blocks */ |
1175 | struct percpu_counter alloc_valid_block_count; | |
1176 | ||
13f00235 JK |
1177 | /* writeback control */ |
1178 | atomic_t wb_sync_req; /* count # of WB_SYNC threads */ | |
1179 | ||
c1286ff4 JK |
1180 | /* valid inode count */ |
1181 | struct percpu_counter total_valid_inode_count; | |
39a53e0c JK |
1182 | |
1183 | struct f2fs_mount_info mount_opt; /* mount options */ | |
1184 | ||
1185 | /* for cleaning operations */ | |
1186 | struct mutex gc_mutex; /* mutex for GC */ | |
1187 | struct f2fs_gc_kthread *gc_thread; /* GC thread */ | |
5ec4e49f | 1188 | unsigned int cur_victim_sec; /* current victim section num */ |
39a53e0c | 1189 | |
13f00235 JK |
1190 | /* threshold for converting bg victims for fg */ |
1191 | u64 fggc_threshold; | |
1192 | ||
b1c57c1c JK |
1193 | /* maximum # of trials to find a victim segment for SSR and GC */ |
1194 | unsigned int max_victim_search; | |
1195 | ||
39a53e0c JK |
1196 | /* |
1197 | * for stat information. | |
1198 | * one is for the LFS mode, and the other is for the SSR mode. | |
1199 | */ | |
35b09d82 | 1200 | #ifdef CONFIG_F2FS_STAT_FS |
39a53e0c JK |
1201 | struct f2fs_stat_info *stat_info; /* FS status information */ |
1202 | unsigned int segment_count[2]; /* # of allocated segments */ | |
1203 | unsigned int block_count[2]; /* # of allocated blocks */ | |
b9a2c252 | 1204 | atomic_t inplace_count; /* # of inplace update */ |
5b7ee374 CY |
1205 | atomic64_t total_hit_ext; /* # of lookup extent cache */ |
1206 | atomic64_t read_hit_rbtree; /* # of hit rbtree extent node */ | |
1207 | atomic64_t read_hit_largest; /* # of hit largest extent node */ | |
1208 | atomic64_t read_hit_cached; /* # of hit cached extent node */ | |
d5e8f6c9 | 1209 | atomic_t inline_xattr; /* # of inline_xattr inodes */ |
03e14d52 CY |
1210 | atomic_t inline_inode; /* # of inline_data inodes */ |
1211 | atomic_t inline_dir; /* # of inline_dentry inodes */ | |
97a43c70 | 1212 | atomic_t aw_cnt; /* # of atomic writes */ |
13f00235 | 1213 | atomic_t vw_cnt; /* # of volatile writes */ |
97a43c70 | 1214 | atomic_t max_aw_cnt; /* max # of atomic writes */ |
13f00235 | 1215 | atomic_t max_vw_cnt; /* max # of volatile writes */ |
39a53e0c | 1216 | int bg_gc; /* background gc calls */ |
c1286ff4 | 1217 | unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */ |
35b09d82 | 1218 | #endif |
39a53e0c | 1219 | spinlock_t stat_lock; /* lock for stat operations */ |
b59d0bae | 1220 | |
13f00235 JK |
1221 | /* For app/fs IO statistics */ |
1222 | spinlock_t iostat_lock; | |
1223 | unsigned long long write_iostat[NR_IO_TYPE]; | |
1224 | bool iostat_enable; | |
1225 | ||
b59d0bae NJ |
1226 | /* For sysfs suppport */ |
1227 | struct kobject s_kobj; | |
1228 | struct completion s_kobj_unregister; | |
2658e50d JK |
1229 | |
1230 | /* For shrinker support */ | |
1231 | struct list_head s_list; | |
07f01079 JK |
1232 | int s_ndevs; /* number of devices */ |
1233 | struct f2fs_dev_info *devs; /* for device list */ | |
353c1624 JK |
1234 | unsigned int dirty_device; /* for checkpoint data flush */ |
1235 | spinlock_t dev_lock; /* protect dirty_device */ | |
2658e50d JK |
1236 | struct mutex umount_mutex; |
1237 | unsigned int shrinker_run_no; | |
c1286ff4 JK |
1238 | |
1239 | /* For write statistics */ | |
1240 | u64 sectors_written_start; | |
1241 | u64 kbytes_written; | |
1242 | ||
1243 | /* Reference to checksum algorithm driver via cryptoapi */ | |
1244 | struct crypto_shash *s_chksum_driver; | |
1245 | ||
13f00235 JK |
1246 | /* Precomputed FS UUID checksum for seeding other checksums */ |
1247 | __u32 s_chksum_seed; | |
1248 | ||
c1286ff4 JK |
1249 | /* For fault injection */ |
1250 | #ifdef CONFIG_F2FS_FAULT_INJECTION | |
1251 | struct f2fs_fault_info fault_info; | |
1252 | #endif | |
13f00235 JK |
1253 | |
1254 | #ifdef CONFIG_QUOTA | |
1255 | /* Names of quota files with journalled quota */ | |
1256 | char *s_qf_names[MAXQUOTAS]; | |
1257 | int s_jquota_fmt; /* Format of quota to use */ | |
1258 | #endif | |
39a53e0c JK |
1259 | }; |
1260 | ||
c1286ff4 | 1261 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
13f00235 JK |
1262 | #define f2fs_show_injection_info(type) \ |
1263 | printk("%sF2FS-fs : inject %s in %s of %pF\n", \ | |
1264 | KERN_INFO, fault_name[type], \ | |
1265 | __func__, __builtin_return_address(0)) | |
c1286ff4 JK |
1266 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) |
1267 | { | |
1268 | struct f2fs_fault_info *ffi = &sbi->fault_info; | |
1269 | ||
1270 | if (!ffi->inject_rate) | |
1271 | return false; | |
1272 | ||
1273 | if (!IS_FAULT_SET(ffi, type)) | |
1274 | return false; | |
1275 | ||
1276 | atomic_inc(&ffi->inject_ops); | |
1277 | if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) { | |
1278 | atomic_set(&ffi->inject_ops, 0); | |
c1286ff4 JK |
1279 | return true; |
1280 | } | |
1281 | return false; | |
1282 | } | |
1283 | #endif | |
1284 | ||
1285 | /* For write statistics. Suppose sector size is 512 bytes, | |
1286 | * and the return value is in kbytes. s is of struct f2fs_sb_info. | |
1287 | */ | |
1288 | #define BD_PART_WRITTEN(s) \ | |
13f00235 JK |
1289 | (((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[1]) - \ |
1290 | (s)->sectors_written_start) >> 1) | |
c1286ff4 JK |
1291 | |
1292 | static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type) | |
1293 | { | |
1294 | sbi->last_time[type] = jiffies; | |
1295 | } | |
1296 | ||
1297 | static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type) | |
1298 | { | |
353c1624 | 1299 | unsigned long interval = sbi->interval_time[type] * HZ; |
c1286ff4 JK |
1300 | |
1301 | return time_after(jiffies, sbi->last_time[type] + interval); | |
1302 | } | |
1303 | ||
1304 | static inline bool is_idle(struct f2fs_sb_info *sbi) | |
1305 | { | |
1306 | struct block_device *bdev = sbi->sb->s_bdev; | |
1307 | struct request_queue *q = bdev_get_queue(bdev); | |
1308 | struct request_list *rl = &q->root_rl; | |
1309 | ||
1310 | if (rl->count[BLK_RW_SYNC] || rl->count[BLK_RW_ASYNC]) | |
1311 | return 0; | |
1312 | ||
1313 | return f2fs_time_over(sbi, REQ_TIME); | |
1314 | } | |
1315 | ||
39a53e0c JK |
1316 | /* |
1317 | * Inline functions | |
1318 | */ | |
c1286ff4 JK |
1319 | static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address, |
1320 | unsigned int length) | |
1321 | { | |
1322 | SHASH_DESC_ON_STACK(shash, sbi->s_chksum_driver); | |
1323 | u32 *ctx = (u32 *)shash_desc_ctx(shash); | |
3947a030 | 1324 | u32 retval; |
c1286ff4 JK |
1325 | int err; |
1326 | ||
1327 | shash->tfm = sbi->s_chksum_driver; | |
1328 | shash->flags = 0; | |
1329 | *ctx = F2FS_SUPER_MAGIC; | |
1330 | ||
1331 | err = crypto_shash_update(shash, address, length); | |
1332 | BUG_ON(err); | |
1333 | ||
3947a030 DM |
1334 | retval = *ctx; |
1335 | barrier_data(ctx); | |
1336 | return retval; | |
c1286ff4 JK |
1337 | } |
1338 | ||
1339 | static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc, | |
1340 | void *buf, size_t buf_size) | |
1341 | { | |
1342 | return f2fs_crc32(sbi, buf, buf_size) == blk_crc; | |
1343 | } | |
1344 | ||
13f00235 JK |
1345 | static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc, |
1346 | const void *address, unsigned int length) | |
1347 | { | |
1348 | struct { | |
1349 | struct shash_desc shash; | |
1350 | char ctx[4]; | |
1351 | } desc; | |
1352 | int err; | |
1353 | ||
1354 | BUG_ON(crypto_shash_descsize(sbi->s_chksum_driver) != sizeof(desc.ctx)); | |
1355 | ||
1356 | desc.shash.tfm = sbi->s_chksum_driver; | |
1357 | desc.shash.flags = 0; | |
1358 | *(u32 *)desc.ctx = crc; | |
1359 | ||
1360 | err = crypto_shash_update(&desc.shash, address, length); | |
1361 | BUG_ON(err); | |
1362 | ||
1363 | return *(u32 *)desc.ctx; | |
1364 | } | |
1365 | ||
39a53e0c JK |
1366 | static inline struct f2fs_inode_info *F2FS_I(struct inode *inode) |
1367 | { | |
1368 | return container_of(inode, struct f2fs_inode_info, vfs_inode); | |
1369 | } | |
1370 | ||
1371 | static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb) | |
1372 | { | |
1373 | return sb->s_fs_info; | |
1374 | } | |
1375 | ||
4081363f JK |
1376 | static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode) |
1377 | { | |
1378 | return F2FS_SB(inode->i_sb); | |
1379 | } | |
1380 | ||
1381 | static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping) | |
1382 | { | |
1383 | return F2FS_I_SB(mapping->host); | |
1384 | } | |
1385 | ||
1386 | static inline struct f2fs_sb_info *F2FS_P_SB(struct page *page) | |
1387 | { | |
1388 | return F2FS_M_SB(page->mapping); | |
1389 | } | |
1390 | ||
39a53e0c JK |
1391 | static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi) |
1392 | { | |
1393 | return (struct f2fs_super_block *)(sbi->raw_super); | |
1394 | } | |
1395 | ||
1396 | static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi) | |
1397 | { | |
1398 | return (struct f2fs_checkpoint *)(sbi->ckpt); | |
1399 | } | |
1400 | ||
45590710 GZ |
1401 | static inline struct f2fs_node *F2FS_NODE(struct page *page) |
1402 | { | |
1403 | return (struct f2fs_node *)page_address(page); | |
1404 | } | |
1405 | ||
58bfaf44 JK |
1406 | static inline struct f2fs_inode *F2FS_INODE(struct page *page) |
1407 | { | |
1408 | return &((struct f2fs_node *)page_address(page))->i; | |
1409 | } | |
1410 | ||
39a53e0c JK |
1411 | static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi) |
1412 | { | |
1413 | return (struct f2fs_nm_info *)(sbi->nm_info); | |
1414 | } | |
1415 | ||
1416 | static inline struct f2fs_sm_info *SM_I(struct f2fs_sb_info *sbi) | |
1417 | { | |
1418 | return (struct f2fs_sm_info *)(sbi->sm_info); | |
1419 | } | |
1420 | ||
1421 | static inline struct sit_info *SIT_I(struct f2fs_sb_info *sbi) | |
1422 | { | |
1423 | return (struct sit_info *)(SM_I(sbi)->sit_info); | |
1424 | } | |
1425 | ||
1426 | static inline struct free_segmap_info *FREE_I(struct f2fs_sb_info *sbi) | |
1427 | { | |
1428 | return (struct free_segmap_info *)(SM_I(sbi)->free_info); | |
1429 | } | |
1430 | ||
1431 | static inline struct dirty_seglist_info *DIRTY_I(struct f2fs_sb_info *sbi) | |
1432 | { | |
1433 | return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info); | |
1434 | } | |
1435 | ||
9df27d98 GZ |
1436 | static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi) |
1437 | { | |
1438 | return sbi->meta_inode->i_mapping; | |
1439 | } | |
1440 | ||
4ef51a8f JK |
1441 | static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi) |
1442 | { | |
1443 | return sbi->node_inode->i_mapping; | |
1444 | } | |
1445 | ||
caf0047e CY |
1446 | static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type) |
1447 | { | |
c1286ff4 | 1448 | return test_bit(type, &sbi->s_flag); |
caf0047e CY |
1449 | } |
1450 | ||
1451 | static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) | |
39a53e0c | 1452 | { |
c1286ff4 | 1453 | set_bit(type, &sbi->s_flag); |
39a53e0c JK |
1454 | } |
1455 | ||
caf0047e | 1456 | static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) |
39a53e0c | 1457 | { |
c1286ff4 | 1458 | clear_bit(type, &sbi->s_flag); |
39a53e0c JK |
1459 | } |
1460 | ||
d71b5564 JK |
1461 | static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp) |
1462 | { | |
1463 | return le64_to_cpu(cp->checkpoint_ver); | |
1464 | } | |
1465 | ||
353c1624 JK |
1466 | static inline unsigned long f2fs_qf_ino(struct super_block *sb, int type) |
1467 | { | |
1468 | if (type < F2FS_MAX_QUOTAS) | |
1469 | return le32_to_cpu(F2FS_SB(sb)->raw_super->qf_ino[type]); | |
1470 | return 0; | |
1471 | } | |
1472 | ||
13f00235 JK |
1473 | static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp) |
1474 | { | |
1475 | size_t crc_offset = le32_to_cpu(cp->checksum_offset); | |
1476 | return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset))); | |
1477 | } | |
1478 | ||
c1286ff4 | 1479 | static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) |
25ca923b JK |
1480 | { |
1481 | unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
c1286ff4 | 1482 | |
25ca923b JK |
1483 | return ckpt_flags & f; |
1484 | } | |
1485 | ||
c1286ff4 | 1486 | static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 1487 | { |
c1286ff4 JK |
1488 | return __is_set_ckpt_flags(F2FS_CKPT(sbi), f); |
1489 | } | |
1490 | ||
1491 | static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
1492 | { | |
1493 | unsigned int ckpt_flags; | |
1494 | ||
1495 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
1496 | ckpt_flags |= f; |
1497 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
1498 | } | |
1499 | ||
c1286ff4 | 1500 | static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 1501 | { |
13f00235 JK |
1502 | unsigned long flags; |
1503 | ||
1504 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
c1286ff4 | 1505 | __set_ckpt_flags(F2FS_CKPT(sbi), f); |
13f00235 | 1506 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
c1286ff4 JK |
1507 | } |
1508 | ||
1509 | static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
1510 | { | |
1511 | unsigned int ckpt_flags; | |
1512 | ||
1513 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
1514 | ckpt_flags &= (~f); |
1515 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
1516 | } | |
1517 | ||
c1286ff4 JK |
1518 | static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
1519 | { | |
13f00235 JK |
1520 | unsigned long flags; |
1521 | ||
1522 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
c1286ff4 | 1523 | __clear_ckpt_flags(F2FS_CKPT(sbi), f); |
13f00235 JK |
1524 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
1525 | } | |
1526 | ||
1527 | static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock) | |
1528 | { | |
1529 | unsigned long flags; | |
1530 | ||
1531 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
1532 | ||
1533 | if (lock) | |
1534 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
1535 | __clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG); | |
1536 | kfree(NM_I(sbi)->nat_bits); | |
1537 | NM_I(sbi)->nat_bits = NULL; | |
1538 | if (lock) | |
1539 | spin_unlock_irqrestore(&sbi->cp_lock, flags); | |
1540 | } | |
1541 | ||
1542 | static inline bool enabled_nat_bits(struct f2fs_sb_info *sbi, | |
1543 | struct cp_control *cpc) | |
1544 | { | |
1545 | bool set = is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG); | |
1546 | ||
1547 | return (cpc) ? (cpc->reason & CP_UMOUNT) && set : set; | |
c1286ff4 JK |
1548 | } |
1549 | ||
e479556b | 1550 | static inline void f2fs_lock_op(struct f2fs_sb_info *sbi) |
39936837 | 1551 | { |
e479556b | 1552 | down_read(&sbi->cp_rwsem); |
39936837 JK |
1553 | } |
1554 | ||
13f00235 JK |
1555 | static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi) |
1556 | { | |
1557 | return down_read_trylock(&sbi->cp_rwsem); | |
1558 | } | |
1559 | ||
e479556b | 1560 | static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi) |
39a53e0c | 1561 | { |
e479556b | 1562 | up_read(&sbi->cp_rwsem); |
39a53e0c JK |
1563 | } |
1564 | ||
e479556b | 1565 | static inline void f2fs_lock_all(struct f2fs_sb_info *sbi) |
39a53e0c | 1566 | { |
c1286ff4 | 1567 | down_write(&sbi->cp_rwsem); |
39936837 JK |
1568 | } |
1569 | ||
e479556b | 1570 | static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi) |
39936837 | 1571 | { |
e479556b | 1572 | up_write(&sbi->cp_rwsem); |
39a53e0c JK |
1573 | } |
1574 | ||
119ee914 JK |
1575 | static inline int __get_cp_reason(struct f2fs_sb_info *sbi) |
1576 | { | |
1577 | int reason = CP_SYNC; | |
1578 | ||
1579 | if (test_opt(sbi, FASTBOOT)) | |
1580 | reason = CP_FASTBOOT; | |
1581 | if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) | |
1582 | reason = CP_UMOUNT; | |
1583 | return reason; | |
1584 | } | |
1585 | ||
1586 | static inline bool __remain_node_summaries(int reason) | |
1587 | { | |
13f00235 | 1588 | return (reason & (CP_UMOUNT | CP_FASTBOOT)); |
119ee914 JK |
1589 | } |
1590 | ||
1591 | static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi) | |
1592 | { | |
c1286ff4 JK |
1593 | return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) || |
1594 | is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG)); | |
119ee914 JK |
1595 | } |
1596 | ||
39a53e0c JK |
1597 | /* |
1598 | * Check whether the given nid is within node id range. | |
1599 | */ | |
064e0823 | 1600 | static inline int check_nid_range(struct f2fs_sb_info *sbi, nid_t nid) |
39a53e0c | 1601 | { |
d6b7d4b3 CY |
1602 | if (unlikely(nid < F2FS_ROOT_INO(sbi))) |
1603 | return -EINVAL; | |
cfb271d4 | 1604 | if (unlikely(nid >= NM_I(sbi)->max_nid)) |
064e0823 NJ |
1605 | return -EINVAL; |
1606 | return 0; | |
39a53e0c JK |
1607 | } |
1608 | ||
39a53e0c JK |
1609 | /* |
1610 | * Check whether the inode has blocks or not | |
1611 | */ | |
1612 | static inline int F2FS_HAS_BLOCKS(struct inode *inode) | |
1613 | { | |
13f00235 JK |
1614 | block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0; |
1615 | ||
1616 | return (inode->i_blocks >> F2FS_LOG_SECTORS_PER_BLOCK) > xattr_block; | |
39a53e0c JK |
1617 | } |
1618 | ||
4bc8e9bc CY |
1619 | static inline bool f2fs_has_xattr_block(unsigned int ofs) |
1620 | { | |
1621 | return ofs == XATTR_NODE_OFFSET; | |
1622 | } | |
1623 | ||
13f00235 JK |
1624 | static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool); |
1625 | static inline int inc_valid_block_count(struct f2fs_sb_info *sbi, | |
c1286ff4 | 1626 | struct inode *inode, blkcnt_t *count) |
39a53e0c | 1627 | { |
13f00235 JK |
1628 | blkcnt_t diff = 0, release = 0; |
1629 | block_t avail_user_block_count; | |
1630 | int ret; | |
1631 | ||
1632 | ret = dquot_reserve_block(inode, *count); | |
1633 | if (ret) | |
1634 | return ret; | |
39a53e0c | 1635 | |
c1286ff4 | 1636 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
13f00235 JK |
1637 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
1638 | f2fs_show_injection_info(FAULT_BLOCK); | |
1639 | release = *count; | |
1640 | goto enospc; | |
1641 | } | |
c1286ff4 JK |
1642 | #endif |
1643 | /* | |
1644 | * let's increase this in prior to actual block count change in order | |
1645 | * for f2fs_sync_file to avoid data races when deciding checkpoint. | |
1646 | */ | |
1647 | percpu_counter_add(&sbi->alloc_valid_block_count, (*count)); | |
1648 | ||
1649 | spin_lock(&sbi->stat_lock); | |
1650 | sbi->total_valid_block_count += (block_t)(*count); | |
353c1624 JK |
1651 | avail_user_block_count = sbi->user_block_count - |
1652 | sbi->current_reserved_blocks; | |
13f00235 JK |
1653 | if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) { |
1654 | diff = sbi->total_valid_block_count - avail_user_block_count; | |
c1286ff4 | 1655 | *count -= diff; |
13f00235 JK |
1656 | release = diff; |
1657 | sbi->total_valid_block_count = avail_user_block_count; | |
c1286ff4 JK |
1658 | if (!*count) { |
1659 | spin_unlock(&sbi->stat_lock); | |
1660 | percpu_counter_sub(&sbi->alloc_valid_block_count, diff); | |
13f00235 | 1661 | goto enospc; |
c1286ff4 | 1662 | } |
39a53e0c | 1663 | } |
39a53e0c | 1664 | spin_unlock(&sbi->stat_lock); |
c1286ff4 | 1665 | |
13f00235 JK |
1666 | if (release) |
1667 | dquot_release_reservation_block(inode, release); | |
1668 | f2fs_i_blocks_write(inode, *count, true, true); | |
1669 | return 0; | |
1670 | ||
1671 | enospc: | |
1672 | dquot_release_reservation_block(inode, release); | |
1673 | return -ENOSPC; | |
39a53e0c JK |
1674 | } |
1675 | ||
da19b0dc | 1676 | static inline void dec_valid_block_count(struct f2fs_sb_info *sbi, |
39a53e0c | 1677 | struct inode *inode, |
13f00235 | 1678 | block_t count) |
39a53e0c | 1679 | { |
13f00235 JK |
1680 | blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK; |
1681 | ||
39a53e0c | 1682 | spin_lock(&sbi->stat_lock); |
9850cf4a | 1683 | f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count); |
13f00235 | 1684 | f2fs_bug_on(sbi, inode->i_blocks < sectors); |
39a53e0c | 1685 | sbi->total_valid_block_count -= (block_t)count; |
353c1624 JK |
1686 | if (sbi->reserved_blocks && |
1687 | sbi->current_reserved_blocks < sbi->reserved_blocks) | |
1688 | sbi->current_reserved_blocks = min(sbi->reserved_blocks, | |
1689 | sbi->current_reserved_blocks + count); | |
39a53e0c | 1690 | spin_unlock(&sbi->stat_lock); |
13f00235 | 1691 | f2fs_i_blocks_write(inode, count, false, true); |
39a53e0c JK |
1692 | } |
1693 | ||
1694 | static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type) | |
1695 | { | |
3f137dda | 1696 | atomic_inc(&sbi->nr_pages[count_type]); |
c1286ff4 | 1697 | |
9e266223 CY |
1698 | if (count_type == F2FS_DIRTY_DATA || count_type == F2FS_INMEM_PAGES || |
1699 | count_type == F2FS_WB_CP_DATA || count_type == F2FS_WB_DATA) | |
c1286ff4 JK |
1700 | return; |
1701 | ||
caf0047e | 1702 | set_sbi_flag(sbi, SBI_IS_DIRTY); |
39a53e0c JK |
1703 | } |
1704 | ||
a7ffdbe2 | 1705 | static inline void inode_inc_dirty_pages(struct inode *inode) |
39a53e0c | 1706 | { |
036ed1b8 | 1707 | atomic_inc(&F2FS_I(inode)->dirty_pages); |
c1286ff4 JK |
1708 | inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
1709 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
353c1624 JK |
1710 | if (IS_NOQUOTA(inode)) |
1711 | inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); | |
39a53e0c JK |
1712 | } |
1713 | ||
1714 | static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type) | |
1715 | { | |
3f137dda | 1716 | atomic_dec(&sbi->nr_pages[count_type]); |
39a53e0c JK |
1717 | } |
1718 | ||
a7ffdbe2 | 1719 | static inline void inode_dec_dirty_pages(struct inode *inode) |
39a53e0c | 1720 | { |
5ac9f36f CY |
1721 | if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) && |
1722 | !S_ISLNK(inode->i_mode)) | |
1fe54f9d JK |
1723 | return; |
1724 | ||
036ed1b8 | 1725 | atomic_dec(&F2FS_I(inode)->dirty_pages); |
c1286ff4 JK |
1726 | dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
1727 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
353c1624 JK |
1728 | if (IS_NOQUOTA(inode)) |
1729 | dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); | |
39a53e0c JK |
1730 | } |
1731 | ||
c1286ff4 | 1732 | static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type) |
39a53e0c | 1733 | { |
3f137dda | 1734 | return atomic_read(&sbi->nr_pages[count_type]); |
39a53e0c JK |
1735 | } |
1736 | ||
036ed1b8 | 1737 | static inline int get_dirty_pages(struct inode *inode) |
f8b2c1f9 | 1738 | { |
036ed1b8 | 1739 | return atomic_read(&F2FS_I(inode)->dirty_pages); |
f8b2c1f9 JK |
1740 | } |
1741 | ||
5ac206cf NJ |
1742 | static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type) |
1743 | { | |
c1286ff4 JK |
1744 | unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg; |
1745 | unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >> | |
1746 | sbi->log_blocks_per_seg; | |
1747 | ||
1748 | return segs / sbi->segs_per_sec; | |
5ac206cf NJ |
1749 | } |
1750 | ||
39a53e0c JK |
1751 | static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi) |
1752 | { | |
8b8343fa | 1753 | return sbi->total_valid_block_count; |
39a53e0c JK |
1754 | } |
1755 | ||
c1286ff4 JK |
1756 | static inline block_t discard_blocks(struct f2fs_sb_info *sbi) |
1757 | { | |
1758 | return sbi->discard_blks; | |
1759 | } | |
1760 | ||
39a53e0c JK |
1761 | static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag) |
1762 | { | |
1763 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
1764 | ||
1765 | /* return NAT or SIT bitmap */ | |
1766 | if (flag == NAT_BITMAP) | |
1767 | return le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); | |
1768 | else if (flag == SIT_BITMAP) | |
1769 | return le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); | |
1770 | ||
1771 | return 0; | |
1772 | } | |
1773 | ||
55141486 WL |
1774 | static inline block_t __cp_payload(struct f2fs_sb_info *sbi) |
1775 | { | |
1776 | return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload); | |
1777 | } | |
1778 | ||
39a53e0c JK |
1779 | static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag) |
1780 | { | |
1781 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
1dbe4152 CL |
1782 | int offset; |
1783 | ||
55141486 | 1784 | if (__cp_payload(sbi) > 0) { |
1dbe4152 CL |
1785 | if (flag == NAT_BITMAP) |
1786 | return &ckpt->sit_nat_version_bitmap; | |
1787 | else | |
65b85ccc | 1788 | return (unsigned char *)ckpt + F2FS_BLKSIZE; |
1dbe4152 CL |
1789 | } else { |
1790 | offset = (flag == NAT_BITMAP) ? | |
25ca923b | 1791 | le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0; |
1dbe4152 CL |
1792 | return &ckpt->sit_nat_version_bitmap + offset; |
1793 | } | |
39a53e0c JK |
1794 | } |
1795 | ||
1796 | static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi) | |
1797 | { | |
6b266c3a | 1798 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); |
39a53e0c | 1799 | |
6b266c3a | 1800 | if (sbi->cur_cp_pack == 2) |
39a53e0c | 1801 | start_addr += sbi->blocks_per_seg; |
6b266c3a JK |
1802 | return start_addr; |
1803 | } | |
39a53e0c | 1804 | |
6b266c3a JK |
1805 | static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi) |
1806 | { | |
1807 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); | |
1808 | ||
1809 | if (sbi->cur_cp_pack == 1) | |
1810 | start_addr += sbi->blocks_per_seg; | |
39a53e0c JK |
1811 | return start_addr; |
1812 | } | |
1813 | ||
6b266c3a JK |
1814 | static inline void __set_cp_next_pack(struct f2fs_sb_info *sbi) |
1815 | { | |
1816 | sbi->cur_cp_pack = (sbi->cur_cp_pack == 1) ? 2 : 1; | |
1817 | } | |
1818 | ||
39a53e0c JK |
1819 | static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi) |
1820 | { | |
1821 | return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum); | |
1822 | } | |
1823 | ||
13f00235 JK |
1824 | static inline int inc_valid_node_count(struct f2fs_sb_info *sbi, |
1825 | struct inode *inode, bool is_inode) | |
39a53e0c JK |
1826 | { |
1827 | block_t valid_block_count; | |
1828 | unsigned int valid_node_count; | |
13f00235 JK |
1829 | bool quota = inode && !is_inode; |
1830 | ||
1831 | if (quota) { | |
1832 | int ret = dquot_reserve_block(inode, 1); | |
1833 | if (ret) | |
1834 | return ret; | |
1835 | } | |
39a53e0c | 1836 | |
353c1624 JK |
1837 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
1838 | if (time_to_inject(sbi, FAULT_BLOCK)) { | |
1839 | f2fs_show_injection_info(FAULT_BLOCK); | |
1840 | goto enospc; | |
1841 | } | |
1842 | #endif | |
1843 | ||
39a53e0c JK |
1844 | spin_lock(&sbi->stat_lock); |
1845 | ||
ef86d709 | 1846 | valid_block_count = sbi->total_valid_block_count + 1; |
353c1624 | 1847 | if (unlikely(valid_block_count + sbi->current_reserved_blocks > |
13f00235 | 1848 | sbi->user_block_count)) { |
39a53e0c | 1849 | spin_unlock(&sbi->stat_lock); |
13f00235 | 1850 | goto enospc; |
39a53e0c JK |
1851 | } |
1852 | ||
ef86d709 | 1853 | valid_node_count = sbi->total_valid_node_count + 1; |
cfb271d4 | 1854 | if (unlikely(valid_node_count > sbi->total_node_count)) { |
39a53e0c | 1855 | spin_unlock(&sbi->stat_lock); |
13f00235 | 1856 | goto enospc; |
39a53e0c JK |
1857 | } |
1858 | ||
ef86d709 GZ |
1859 | sbi->total_valid_node_count++; |
1860 | sbi->total_valid_block_count++; | |
39a53e0c JK |
1861 | spin_unlock(&sbi->stat_lock); |
1862 | ||
13f00235 JK |
1863 | if (inode) { |
1864 | if (is_inode) | |
1865 | f2fs_mark_inode_dirty_sync(inode, true); | |
1866 | else | |
1867 | f2fs_i_blocks_write(inode, 1, true, true); | |
1868 | } | |
1869 | ||
c1286ff4 | 1870 | percpu_counter_inc(&sbi->alloc_valid_block_count); |
13f00235 JK |
1871 | return 0; |
1872 | ||
1873 | enospc: | |
1874 | if (quota) | |
1875 | dquot_release_reservation_block(inode, 1); | |
1876 | return -ENOSPC; | |
39a53e0c JK |
1877 | } |
1878 | ||
1879 | static inline void dec_valid_node_count(struct f2fs_sb_info *sbi, | |
13f00235 | 1880 | struct inode *inode, bool is_inode) |
39a53e0c JK |
1881 | { |
1882 | spin_lock(&sbi->stat_lock); | |
1883 | ||
9850cf4a JK |
1884 | f2fs_bug_on(sbi, !sbi->total_valid_block_count); |
1885 | f2fs_bug_on(sbi, !sbi->total_valid_node_count); | |
13f00235 | 1886 | f2fs_bug_on(sbi, !is_inode && !inode->i_blocks); |
39a53e0c | 1887 | |
ef86d709 GZ |
1888 | sbi->total_valid_node_count--; |
1889 | sbi->total_valid_block_count--; | |
353c1624 JK |
1890 | if (sbi->reserved_blocks && |
1891 | sbi->current_reserved_blocks < sbi->reserved_blocks) | |
1892 | sbi->current_reserved_blocks++; | |
39a53e0c JK |
1893 | |
1894 | spin_unlock(&sbi->stat_lock); | |
13f00235 JK |
1895 | |
1896 | if (!is_inode) | |
1897 | f2fs_i_blocks_write(inode, 1, false, true); | |
39a53e0c JK |
1898 | } |
1899 | ||
1900 | static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi) | |
1901 | { | |
8b8343fa | 1902 | return sbi->total_valid_node_count; |
39a53e0c JK |
1903 | } |
1904 | ||
1905 | static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi) | |
1906 | { | |
c1286ff4 | 1907 | percpu_counter_inc(&sbi->total_valid_inode_count); |
39a53e0c JK |
1908 | } |
1909 | ||
0e80220a | 1910 | static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 1911 | { |
c1286ff4 | 1912 | percpu_counter_dec(&sbi->total_valid_inode_count); |
39a53e0c JK |
1913 | } |
1914 | ||
c1286ff4 | 1915 | static inline s64 valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 1916 | { |
c1286ff4 | 1917 | return percpu_counter_sum_positive(&sbi->total_valid_inode_count); |
39a53e0c JK |
1918 | } |
1919 | ||
a56c7c6f JK |
1920 | static inline struct page *f2fs_grab_cache_page(struct address_space *mapping, |
1921 | pgoff_t index, bool for_write) | |
1922 | { | |
c1286ff4 JK |
1923 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
1924 | struct page *page = find_lock_page(mapping, index); | |
13f00235 | 1925 | |
c1286ff4 JK |
1926 | if (page) |
1927 | return page; | |
1928 | ||
13f00235 JK |
1929 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) { |
1930 | f2fs_show_injection_info(FAULT_PAGE_ALLOC); | |
c1286ff4 | 1931 | return NULL; |
13f00235 | 1932 | } |
c1286ff4 | 1933 | #endif |
a56c7c6f JK |
1934 | if (!for_write) |
1935 | return grab_cache_page(mapping, index); | |
1936 | return grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS); | |
1937 | } | |
1938 | ||
353c1624 JK |
1939 | static inline struct page *f2fs_pagecache_get_page( |
1940 | struct address_space *mapping, pgoff_t index, | |
1941 | int fgp_flags, gfp_t gfp_mask) | |
1942 | { | |
1943 | #ifdef CONFIG_F2FS_FAULT_INJECTION | |
1944 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET)) { | |
1945 | f2fs_show_injection_info(FAULT_PAGE_GET); | |
1946 | return NULL; | |
1947 | } | |
1948 | #endif | |
1949 | return pagecache_get_page(mapping, index, fgp_flags, gfp_mask); | |
1950 | } | |
1951 | ||
6e2c64ad JK |
1952 | static inline void f2fs_copy_page(struct page *src, struct page *dst) |
1953 | { | |
1954 | char *src_kaddr = kmap(src); | |
1955 | char *dst_kaddr = kmap(dst); | |
1956 | ||
1957 | memcpy(dst_kaddr, src_kaddr, PAGE_SIZE); | |
1958 | kunmap(dst); | |
1959 | kunmap(src); | |
1960 | } | |
1961 | ||
39a53e0c JK |
1962 | static inline void f2fs_put_page(struct page *page, int unlock) |
1963 | { | |
031fa8cc | 1964 | if (!page) |
39a53e0c JK |
1965 | return; |
1966 | ||
1967 | if (unlock) { | |
9850cf4a | 1968 | f2fs_bug_on(F2FS_P_SB(page), !PageLocked(page)); |
39a53e0c JK |
1969 | unlock_page(page); |
1970 | } | |
c1286ff4 | 1971 | put_page(page); |
39a53e0c JK |
1972 | } |
1973 | ||
1974 | static inline void f2fs_put_dnode(struct dnode_of_data *dn) | |
1975 | { | |
1976 | if (dn->node_page) | |
1977 | f2fs_put_page(dn->node_page, 1); | |
1978 | if (dn->inode_page && dn->node_page != dn->inode_page) | |
1979 | f2fs_put_page(dn->inode_page, 0); | |
1980 | dn->node_page = NULL; | |
1981 | dn->inode_page = NULL; | |
1982 | } | |
1983 | ||
1984 | static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name, | |
e8512d2e | 1985 | size_t size) |
39a53e0c | 1986 | { |
e8512d2e | 1987 | return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL); |
39a53e0c JK |
1988 | } |
1989 | ||
7bd59381 GZ |
1990 | static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep, |
1991 | gfp_t flags) | |
1992 | { | |
1993 | void *entry; | |
7bd59381 | 1994 | |
80c54505 JK |
1995 | entry = kmem_cache_alloc(cachep, flags); |
1996 | if (!entry) | |
1997 | entry = kmem_cache_alloc(cachep, flags | __GFP_NOFAIL); | |
7bd59381 GZ |
1998 | return entry; |
1999 | } | |
2000 | ||
353c1624 JK |
2001 | static inline struct bio *f2fs_bio_alloc(struct f2fs_sb_info *sbi, |
2002 | int npages, bool no_fail) | |
740432f8 JK |
2003 | { |
2004 | struct bio *bio; | |
2005 | ||
353c1624 JK |
2006 | if (no_fail) { |
2007 | /* No failure on bio allocation */ | |
2008 | bio = bio_alloc(GFP_NOIO, npages); | |
2009 | if (!bio) | |
2010 | bio = bio_alloc(GFP_NOIO | __GFP_NOFAIL, npages); | |
2011 | return bio; | |
2012 | } | |
2013 | #ifdef CONFIG_F2FS_FAULT_INJECTION | |
2014 | if (time_to_inject(sbi, FAULT_ALLOC_BIO)) { | |
2015 | f2fs_show_injection_info(FAULT_ALLOC_BIO); | |
2016 | return NULL; | |
2017 | } | |
2018 | #endif | |
2019 | return bio_alloc(GFP_KERNEL, npages); | |
740432f8 JK |
2020 | } |
2021 | ||
9be32d72 JK |
2022 | static inline void f2fs_radix_tree_insert(struct radix_tree_root *root, |
2023 | unsigned long index, void *item) | |
2024 | { | |
2025 | while (radix_tree_insert(root, index, item)) | |
2026 | cond_resched(); | |
2027 | } | |
2028 | ||
39a53e0c JK |
2029 | #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino) |
2030 | ||
2031 | static inline bool IS_INODE(struct page *page) | |
2032 | { | |
45590710 | 2033 | struct f2fs_node *p = F2FS_NODE(page); |
13f00235 | 2034 | |
39a53e0c JK |
2035 | return RAW_IS_INODE(p); |
2036 | } | |
2037 | ||
13f00235 JK |
2038 | static inline int offset_in_addr(struct f2fs_inode *i) |
2039 | { | |
2040 | return (i->i_inline & F2FS_EXTRA_ATTR) ? | |
2041 | (le16_to_cpu(i->i_extra_isize) / sizeof(__le32)) : 0; | |
2042 | } | |
2043 | ||
39a53e0c JK |
2044 | static inline __le32 *blkaddr_in_node(struct f2fs_node *node) |
2045 | { | |
2046 | return RAW_IS_INODE(node) ? node->i.i_addr : node->dn.addr; | |
2047 | } | |
2048 | ||
13f00235 JK |
2049 | static inline int f2fs_has_extra_attr(struct inode *inode); |
2050 | static inline block_t datablock_addr(struct inode *inode, | |
2051 | struct page *node_page, unsigned int offset) | |
39a53e0c JK |
2052 | { |
2053 | struct f2fs_node *raw_node; | |
2054 | __le32 *addr_array; | |
13f00235 JK |
2055 | int base = 0; |
2056 | bool is_inode = IS_INODE(node_page); | |
2057 | ||
45590710 | 2058 | raw_node = F2FS_NODE(node_page); |
13f00235 JK |
2059 | |
2060 | /* from GC path only */ | |
2061 | if (!inode) { | |
2062 | if (is_inode) | |
2063 | base = offset_in_addr(&raw_node->i); | |
2064 | } else if (f2fs_has_extra_attr(inode) && is_inode) { | |
2065 | base = get_extra_isize(inode); | |
2066 | } | |
2067 | ||
39a53e0c | 2068 | addr_array = blkaddr_in_node(raw_node); |
13f00235 | 2069 | return le32_to_cpu(addr_array[base + offset]); |
39a53e0c JK |
2070 | } |
2071 | ||
2072 | static inline int f2fs_test_bit(unsigned int nr, char *addr) | |
2073 | { | |
2074 | int mask; | |
2075 | ||
2076 | addr += (nr >> 3); | |
2077 | mask = 1 << (7 - (nr & 0x07)); | |
2078 | return mask & *addr; | |
2079 | } | |
2080 | ||
a66cdd98 JK |
2081 | static inline void f2fs_set_bit(unsigned int nr, char *addr) |
2082 | { | |
2083 | int mask; | |
2084 | ||
2085 | addr += (nr >> 3); | |
2086 | mask = 1 << (7 - (nr & 0x07)); | |
2087 | *addr |= mask; | |
2088 | } | |
2089 | ||
2090 | static inline void f2fs_clear_bit(unsigned int nr, char *addr) | |
2091 | { | |
2092 | int mask; | |
2093 | ||
2094 | addr += (nr >> 3); | |
2095 | mask = 1 << (7 - (nr & 0x07)); | |
2096 | *addr &= ~mask; | |
2097 | } | |
2098 | ||
52aca074 | 2099 | static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr) |
39a53e0c JK |
2100 | { |
2101 | int mask; | |
2102 | int ret; | |
2103 | ||
2104 | addr += (nr >> 3); | |
2105 | mask = 1 << (7 - (nr & 0x07)); | |
2106 | ret = mask & *addr; | |
2107 | *addr |= mask; | |
2108 | return ret; | |
2109 | } | |
2110 | ||
52aca074 | 2111 | static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr) |
39a53e0c JK |
2112 | { |
2113 | int mask; | |
2114 | int ret; | |
2115 | ||
2116 | addr += (nr >> 3); | |
2117 | mask = 1 << (7 - (nr & 0x07)); | |
2118 | ret = mask & *addr; | |
2119 | *addr &= ~mask; | |
2120 | return ret; | |
2121 | } | |
2122 | ||
c6ac4c0e GZ |
2123 | static inline void f2fs_change_bit(unsigned int nr, char *addr) |
2124 | { | |
2125 | int mask; | |
2126 | ||
2127 | addr += (nr >> 3); | |
2128 | mask = 1 << (7 - (nr & 0x07)); | |
2129 | *addr ^= mask; | |
2130 | } | |
2131 | ||
13f00235 JK |
2132 | #define F2FS_REG_FLMASK (~(FS_DIRSYNC_FL | FS_TOPDIR_FL)) |
2133 | #define F2FS_OTHER_FLMASK (FS_NODUMP_FL | FS_NOATIME_FL) | |
2134 | #define F2FS_FL_INHERITED (FS_PROJINHERIT_FL) | |
2135 | ||
2136 | static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags) | |
2137 | { | |
2138 | if (S_ISDIR(mode)) | |
2139 | return flags; | |
2140 | else if (S_ISREG(mode)) | |
2141 | return flags & F2FS_REG_FLMASK; | |
2142 | else | |
2143 | return flags & F2FS_OTHER_FLMASK; | |
2144 | } | |
2145 | ||
39a53e0c JK |
2146 | /* used for f2fs_inode_info->flags */ |
2147 | enum { | |
2148 | FI_NEW_INODE, /* indicate newly allocated inode */ | |
b3783873 | 2149 | FI_DIRTY_INODE, /* indicate inode is dirty or not */ |
c1286ff4 | 2150 | FI_AUTO_RECOVER, /* indicate inode is recoverable */ |
ed57c27f | 2151 | FI_DIRTY_DIR, /* indicate directory has dirty pages */ |
39a53e0c JK |
2152 | FI_INC_LINK, /* need to increment i_nlink */ |
2153 | FI_ACL_MODE, /* indicate acl mode */ | |
2154 | FI_NO_ALLOC, /* should not allocate any blocks */ | |
c9b63bd0 | 2155 | FI_FREE_NID, /* free allocated nide */ |
c11abd1a | 2156 | FI_NO_EXTENT, /* not to use the extent cache */ |
444c580f | 2157 | FI_INLINE_XATTR, /* used for inline xattr */ |
1001b347 | 2158 | FI_INLINE_DATA, /* used for inline data*/ |
34d67deb | 2159 | FI_INLINE_DENTRY, /* used for inline dentry */ |
fff04f90 JK |
2160 | FI_APPEND_WRITE, /* inode has appended data */ |
2161 | FI_UPDATE_WRITE, /* inode has in-place-update data */ | |
88b88a66 JK |
2162 | FI_NEED_IPU, /* used for ipu per file */ |
2163 | FI_ATOMIC_FILE, /* indicate atomic file */ | |
dc8b8cea | 2164 | FI_ATOMIC_COMMIT, /* indicate the state of atomical committing */ |
02a1335f | 2165 | FI_VOLATILE_FILE, /* indicate volatile file */ |
3c6c2beb | 2166 | FI_FIRST_BLOCK_WRITTEN, /* indicate #0 data block was written */ |
1e84371f | 2167 | FI_DROP_CACHE, /* drop dirty page cache */ |
b3d208f9 | 2168 | FI_DATA_EXIST, /* indicate data exists */ |
510022a8 | 2169 | FI_INLINE_DOTS, /* indicate inline dot dentries */ |
c1286ff4 JK |
2170 | FI_DO_DEFRAG, /* indicate defragment is running */ |
2171 | FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */ | |
13f00235 JK |
2172 | FI_NO_PREALLOC, /* indicate skipped preallocated blocks */ |
2173 | FI_HOT_DATA, /* indicate file is hot */ | |
2174 | FI_EXTRA_ATTR, /* indicate file has extra attribute */ | |
2175 | FI_PROJ_INHERIT, /* indicate file inherits projectid */ | |
39a53e0c JK |
2176 | }; |
2177 | ||
c1286ff4 JK |
2178 | static inline void __mark_inode_dirty_flag(struct inode *inode, |
2179 | int flag, bool set) | |
2180 | { | |
2181 | switch (flag) { | |
2182 | case FI_INLINE_XATTR: | |
2183 | case FI_INLINE_DATA: | |
2184 | case FI_INLINE_DENTRY: | |
2185 | if (set) | |
2186 | return; | |
2187 | case FI_DATA_EXIST: | |
2188 | case FI_INLINE_DOTS: | |
0ef31c7b | 2189 | f2fs_mark_inode_dirty_sync(inode, true); |
c1286ff4 JK |
2190 | } |
2191 | } | |
2192 | ||
2193 | static inline void set_inode_flag(struct inode *inode, int flag) | |
2194 | { | |
2195 | if (!test_bit(flag, &F2FS_I(inode)->flags)) | |
2196 | set_bit(flag, &F2FS_I(inode)->flags); | |
2197 | __mark_inode_dirty_flag(inode, flag, true); | |
2198 | } | |
2199 | ||
2200 | static inline int is_inode_flag_set(struct inode *inode, int flag) | |
2201 | { | |
2202 | return test_bit(flag, &F2FS_I(inode)->flags); | |
2203 | } | |
2204 | ||
2205 | static inline void clear_inode_flag(struct inode *inode, int flag) | |
2206 | { | |
2207 | if (test_bit(flag, &F2FS_I(inode)->flags)) | |
2208 | clear_bit(flag, &F2FS_I(inode)->flags); | |
2209 | __mark_inode_dirty_flag(inode, flag, false); | |
2210 | } | |
2211 | ||
2212 | static inline void set_acl_inode(struct inode *inode, umode_t mode) | |
2213 | { | |
2214 | F2FS_I(inode)->i_acl_mode = mode; | |
2215 | set_inode_flag(inode, FI_ACL_MODE); | |
0ef31c7b | 2216 | f2fs_mark_inode_dirty_sync(inode, false); |
c1286ff4 JK |
2217 | } |
2218 | ||
2219 | static inline void f2fs_i_links_write(struct inode *inode, bool inc) | |
39a53e0c | 2220 | { |
c1286ff4 JK |
2221 | if (inc) |
2222 | inc_nlink(inode); | |
2223 | else | |
2224 | drop_nlink(inode); | |
0ef31c7b | 2225 | f2fs_mark_inode_dirty_sync(inode, true); |
39a53e0c JK |
2226 | } |
2227 | ||
c1286ff4 | 2228 | static inline void f2fs_i_blocks_write(struct inode *inode, |
13f00235 | 2229 | block_t diff, bool add, bool claim) |
39a53e0c | 2230 | { |
c1286ff4 JK |
2231 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
2232 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
2233 | ||
13f00235 JK |
2234 | /* add = 1, claim = 1 should be dquot_reserve_block in pair */ |
2235 | if (add) { | |
2236 | if (claim) | |
2237 | dquot_claim_block(inode, diff); | |
2238 | else | |
2239 | dquot_alloc_block_nofail(inode, diff); | |
2240 | } else { | |
2241 | dquot_free_block(inode, diff); | |
2242 | } | |
2243 | ||
0ef31c7b | 2244 | f2fs_mark_inode_dirty_sync(inode, true); |
c1286ff4 JK |
2245 | if (clean || recover) |
2246 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
39a53e0c JK |
2247 | } |
2248 | ||
c1286ff4 | 2249 | static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size) |
39a53e0c | 2250 | { |
c1286ff4 JK |
2251 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
2252 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
2253 | ||
2254 | if (i_size_read(inode) == i_size) | |
2255 | return; | |
2256 | ||
2257 | i_size_write(inode, i_size); | |
0ef31c7b | 2258 | f2fs_mark_inode_dirty_sync(inode, true); |
c1286ff4 JK |
2259 | if (clean || recover) |
2260 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
39a53e0c JK |
2261 | } |
2262 | ||
c1286ff4 JK |
2263 | static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth) |
2264 | { | |
2265 | F2FS_I(inode)->i_current_depth = depth; | |
0ef31c7b | 2266 | f2fs_mark_inode_dirty_sync(inode, true); |
39a53e0c JK |
2267 | } |
2268 | ||
c1286ff4 | 2269 | static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid) |
444c580f | 2270 | { |
c1286ff4 | 2271 | F2FS_I(inode)->i_xattr_nid = xnid; |
0ef31c7b | 2272 | f2fs_mark_inode_dirty_sync(inode, true); |
c1286ff4 JK |
2273 | } |
2274 | ||
2275 | static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino) | |
2276 | { | |
2277 | F2FS_I(inode)->i_pino = pino; | |
0ef31c7b | 2278 | f2fs_mark_inode_dirty_sync(inode, true); |
c1286ff4 JK |
2279 | } |
2280 | ||
2281 | static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri) | |
2282 | { | |
2283 | struct f2fs_inode_info *fi = F2FS_I(inode); | |
2284 | ||
444c580f | 2285 | if (ri->i_inline & F2FS_INLINE_XATTR) |
c1286ff4 | 2286 | set_bit(FI_INLINE_XATTR, &fi->flags); |
1001b347 | 2287 | if (ri->i_inline & F2FS_INLINE_DATA) |
c1286ff4 | 2288 | set_bit(FI_INLINE_DATA, &fi->flags); |
34d67deb | 2289 | if (ri->i_inline & F2FS_INLINE_DENTRY) |
c1286ff4 | 2290 | set_bit(FI_INLINE_DENTRY, &fi->flags); |
b3d208f9 | 2291 | if (ri->i_inline & F2FS_DATA_EXIST) |
c1286ff4 | 2292 | set_bit(FI_DATA_EXIST, &fi->flags); |
510022a8 | 2293 | if (ri->i_inline & F2FS_INLINE_DOTS) |
c1286ff4 | 2294 | set_bit(FI_INLINE_DOTS, &fi->flags); |
13f00235 JK |
2295 | if (ri->i_inline & F2FS_EXTRA_ATTR) |
2296 | set_bit(FI_EXTRA_ATTR, &fi->flags); | |
444c580f JK |
2297 | } |
2298 | ||
c1286ff4 | 2299 | static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri) |
444c580f JK |
2300 | { |
2301 | ri->i_inline = 0; | |
2302 | ||
c1286ff4 | 2303 | if (is_inode_flag_set(inode, FI_INLINE_XATTR)) |
444c580f | 2304 | ri->i_inline |= F2FS_INLINE_XATTR; |
c1286ff4 | 2305 | if (is_inode_flag_set(inode, FI_INLINE_DATA)) |
1001b347 | 2306 | ri->i_inline |= F2FS_INLINE_DATA; |
c1286ff4 | 2307 | if (is_inode_flag_set(inode, FI_INLINE_DENTRY)) |
34d67deb | 2308 | ri->i_inline |= F2FS_INLINE_DENTRY; |
c1286ff4 | 2309 | if (is_inode_flag_set(inode, FI_DATA_EXIST)) |
b3d208f9 | 2310 | ri->i_inline |= F2FS_DATA_EXIST; |
c1286ff4 | 2311 | if (is_inode_flag_set(inode, FI_INLINE_DOTS)) |
510022a8 | 2312 | ri->i_inline |= F2FS_INLINE_DOTS; |
13f00235 JK |
2313 | if (is_inode_flag_set(inode, FI_EXTRA_ATTR)) |
2314 | ri->i_inline |= F2FS_EXTRA_ATTR; | |
2315 | } | |
2316 | ||
2317 | static inline int f2fs_has_extra_attr(struct inode *inode) | |
2318 | { | |
2319 | return is_inode_flag_set(inode, FI_EXTRA_ATTR); | |
444c580f JK |
2320 | } |
2321 | ||
987c7c31 CY |
2322 | static inline int f2fs_has_inline_xattr(struct inode *inode) |
2323 | { | |
c1286ff4 | 2324 | return is_inode_flag_set(inode, FI_INLINE_XATTR); |
987c7c31 CY |
2325 | } |
2326 | ||
c1286ff4 | 2327 | static inline unsigned int addrs_per_inode(struct inode *inode) |
de93653f | 2328 | { |
353c1624 | 2329 | return CUR_ADDRS_PER_INODE(inode) - F2FS_INLINE_XATTR_ADDRS(inode); |
de93653f JK |
2330 | } |
2331 | ||
353c1624 | 2332 | static inline void *inline_xattr_addr(struct inode *inode, struct page *page) |
65985d93 | 2333 | { |
695fd1ed | 2334 | struct f2fs_inode *ri = F2FS_INODE(page); |
13f00235 | 2335 | |
65985d93 | 2336 | return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE - |
353c1624 | 2337 | F2FS_INLINE_XATTR_ADDRS(inode)]); |
65985d93 JK |
2338 | } |
2339 | ||
2340 | static inline int inline_xattr_size(struct inode *inode) | |
2341 | { | |
353c1624 | 2342 | return get_inline_xattr_addrs(inode) * sizeof(__le32); |
65985d93 JK |
2343 | } |
2344 | ||
0dbdc2ae JK |
2345 | static inline int f2fs_has_inline_data(struct inode *inode) |
2346 | { | |
c1286ff4 | 2347 | return is_inode_flag_set(inode, FI_INLINE_DATA); |
0dbdc2ae JK |
2348 | } |
2349 | ||
b3d208f9 JK |
2350 | static inline int f2fs_exist_data(struct inode *inode) |
2351 | { | |
c1286ff4 | 2352 | return is_inode_flag_set(inode, FI_DATA_EXIST); |
b3d208f9 JK |
2353 | } |
2354 | ||
510022a8 JK |
2355 | static inline int f2fs_has_inline_dots(struct inode *inode) |
2356 | { | |
c1286ff4 | 2357 | return is_inode_flag_set(inode, FI_INLINE_DOTS); |
510022a8 JK |
2358 | } |
2359 | ||
88b88a66 JK |
2360 | static inline bool f2fs_is_atomic_file(struct inode *inode) |
2361 | { | |
c1286ff4 | 2362 | return is_inode_flag_set(inode, FI_ATOMIC_FILE); |
88b88a66 JK |
2363 | } |
2364 | ||
dc8b8cea CY |
2365 | static inline bool f2fs_is_commit_atomic_write(struct inode *inode) |
2366 | { | |
2367 | return is_inode_flag_set(inode, FI_ATOMIC_COMMIT); | |
2368 | } | |
2369 | ||
02a1335f JK |
2370 | static inline bool f2fs_is_volatile_file(struct inode *inode) |
2371 | { | |
c1286ff4 | 2372 | return is_inode_flag_set(inode, FI_VOLATILE_FILE); |
02a1335f JK |
2373 | } |
2374 | ||
3c6c2beb JK |
2375 | static inline bool f2fs_is_first_block_written(struct inode *inode) |
2376 | { | |
c1286ff4 | 2377 | return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN); |
3c6c2beb JK |
2378 | } |
2379 | ||
1e84371f JK |
2380 | static inline bool f2fs_is_drop_cache(struct inode *inode) |
2381 | { | |
c1286ff4 | 2382 | return is_inode_flag_set(inode, FI_DROP_CACHE); |
1e84371f JK |
2383 | } |
2384 | ||
13f00235 | 2385 | static inline void *inline_data_addr(struct inode *inode, struct page *page) |
1001b347 | 2386 | { |
695fd1ed | 2387 | struct f2fs_inode *ri = F2FS_INODE(page); |
13f00235 JK |
2388 | int extra_size = get_extra_isize(inode); |
2389 | ||
2390 | return (void *)&(ri->i_addr[extra_size + DEF_INLINE_RESERVED_SIZE]); | |
1001b347 HL |
2391 | } |
2392 | ||
34d67deb CY |
2393 | static inline int f2fs_has_inline_dentry(struct inode *inode) |
2394 | { | |
c1286ff4 | 2395 | return is_inode_flag_set(inode, FI_INLINE_DENTRY); |
34d67deb CY |
2396 | } |
2397 | ||
9486ba44 JK |
2398 | static inline void f2fs_dentry_kunmap(struct inode *dir, struct page *page) |
2399 | { | |
2400 | if (!f2fs_has_inline_dentry(dir)) | |
2401 | kunmap(page); | |
2402 | } | |
2403 | ||
b5492af7 JK |
2404 | static inline int is_file(struct inode *inode, int type) |
2405 | { | |
2406 | return F2FS_I(inode)->i_advise & type; | |
2407 | } | |
2408 | ||
2409 | static inline void set_file(struct inode *inode, int type) | |
2410 | { | |
2411 | F2FS_I(inode)->i_advise |= type; | |
0ef31c7b | 2412 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
2413 | } |
2414 | ||
2415 | static inline void clear_file(struct inode *inode, int type) | |
2416 | { | |
2417 | F2FS_I(inode)->i_advise &= ~type; | |
0ef31c7b | 2418 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
2419 | } |
2420 | ||
9f495d82 JK |
2421 | static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync) |
2422 | { | |
353c1624 JK |
2423 | bool ret; |
2424 | ||
9f495d82 JK |
2425 | if (dsync) { |
2426 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
9f495d82 JK |
2427 | |
2428 | spin_lock(&sbi->inode_lock[DIRTY_META]); | |
2429 | ret = list_empty(&F2FS_I(inode)->gdirty_list); | |
2430 | spin_unlock(&sbi->inode_lock[DIRTY_META]); | |
2431 | return ret; | |
2432 | } | |
2433 | if (!is_inode_flag_set(inode, FI_AUTO_RECOVER) || | |
2434 | file_keep_isize(inode) || | |
2435 | i_size_read(inode) & PAGE_MASK) | |
2436 | return false; | |
353c1624 JK |
2437 | |
2438 | down_read(&F2FS_I(inode)->i_sem); | |
2439 | ret = F2FS_I(inode)->last_disk_size == i_size_read(inode); | |
2440 | up_read(&F2FS_I(inode)->i_sem); | |
2441 | ||
2442 | return ret; | |
9f495d82 JK |
2443 | } |
2444 | ||
353c1624 | 2445 | #define sb_rdonly f2fs_readonly |
77888c1e JK |
2446 | static inline int f2fs_readonly(struct super_block *sb) |
2447 | { | |
2448 | return sb->s_flags & MS_RDONLY; | |
2449 | } | |
2450 | ||
1e968fdf JK |
2451 | static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi) |
2452 | { | |
c1286ff4 | 2453 | return is_set_ckpt_flags(sbi, CP_ERROR_FLAG); |
744602cf JK |
2454 | } |
2455 | ||
eaa693f4 JK |
2456 | static inline bool is_dot_dotdot(const struct qstr *str) |
2457 | { | |
2458 | if (str->len == 1 && str->name[0] == '.') | |
2459 | return true; | |
2460 | ||
2461 | if (str->len == 2 && str->name[0] == '.' && str->name[1] == '.') | |
2462 | return true; | |
2463 | ||
2464 | return false; | |
2465 | } | |
2466 | ||
3e72f721 JK |
2467 | static inline bool f2fs_may_extent_tree(struct inode *inode) |
2468 | { | |
3e72f721 | 2469 | if (!test_opt(F2FS_I_SB(inode), EXTENT_CACHE) || |
c1286ff4 | 2470 | is_inode_flag_set(inode, FI_NO_EXTENT)) |
3e72f721 JK |
2471 | return false; |
2472 | ||
c1286ff4 JK |
2473 | return S_ISREG(inode->i_mode); |
2474 | } | |
2475 | ||
2476 | static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi, | |
2477 | size_t size, gfp_t flags) | |
2478 | { | |
2479 | #ifdef CONFIG_F2FS_FAULT_INJECTION | |
13f00235 JK |
2480 | if (time_to_inject(sbi, FAULT_KMALLOC)) { |
2481 | f2fs_show_injection_info(FAULT_KMALLOC); | |
c1286ff4 | 2482 | return NULL; |
13f00235 | 2483 | } |
c1286ff4 JK |
2484 | #endif |
2485 | return kmalloc(size, flags); | |
3e72f721 JK |
2486 | } |
2487 | ||
13f00235 | 2488 | static inline void *kvmalloc(size_t size, gfp_t flags) |
39307a8e JK |
2489 | { |
2490 | void *ret; | |
2491 | ||
2492 | ret = kmalloc(size, flags | __GFP_NOWARN); | |
2493 | if (!ret) | |
2494 | ret = __vmalloc(size, flags, PAGE_KERNEL); | |
2495 | return ret; | |
2496 | } | |
2497 | ||
13f00235 | 2498 | static inline void *kvzalloc(size_t size, gfp_t flags) |
39307a8e JK |
2499 | { |
2500 | void *ret; | |
2501 | ||
2502 | ret = kzalloc(size, flags | __GFP_NOWARN); | |
2503 | if (!ret) | |
2504 | ret = __vmalloc(size, flags | __GFP_ZERO, PAGE_KERNEL); | |
2505 | return ret; | |
2506 | } | |
2507 | ||
13f00235 JK |
2508 | static inline int get_extra_isize(struct inode *inode) |
2509 | { | |
2510 | return F2FS_I(inode)->i_extra_isize / sizeof(__le32); | |
2511 | } | |
2512 | ||
353c1624 JK |
2513 | static inline int f2fs_sb_has_flexible_inline_xattr(struct super_block *sb); |
2514 | static inline int get_inline_xattr_addrs(struct inode *inode) | |
2515 | { | |
2516 | return F2FS_I(inode)->i_inline_xattr_size; | |
2517 | } | |
2518 | ||
a6dda0e6 | 2519 | #define get_inode_mode(i) \ |
c1286ff4 | 2520 | ((is_inode_flag_set(i, FI_ACL_MODE)) ? \ |
a6dda0e6 CH |
2521 | (F2FS_I(i)->i_acl_mode) : ((i)->i_mode)) |
2522 | ||
13f00235 JK |
2523 | #define F2FS_TOTAL_EXTRA_ATTR_SIZE \ |
2524 | (offsetof(struct f2fs_inode, i_extra_end) - \ | |
2525 | offsetof(struct f2fs_inode, i_extra_isize)) \ | |
2526 | ||
2527 | #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr)) | |
2528 | #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \ | |
2529 | ((offsetof(typeof(*f2fs_inode), field) + \ | |
2530 | sizeof((f2fs_inode)->field)) \ | |
2531 | <= (F2FS_OLD_ATTRIBUTE_SIZE + extra_isize)) \ | |
2532 | ||
2533 | static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi) | |
2534 | { | |
2535 | int i; | |
2536 | ||
2537 | spin_lock(&sbi->iostat_lock); | |
2538 | for (i = 0; i < NR_IO_TYPE; i++) | |
2539 | sbi->write_iostat[i] = 0; | |
2540 | spin_unlock(&sbi->iostat_lock); | |
2541 | } | |
2542 | ||
2543 | static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi, | |
2544 | enum iostat_type type, unsigned long long io_bytes) | |
2545 | { | |
2546 | if (!sbi->iostat_enable) | |
2547 | return; | |
2548 | spin_lock(&sbi->iostat_lock); | |
2549 | sbi->write_iostat[type] += io_bytes; | |
2550 | ||
2551 | if (type == APP_WRITE_IO || type == APP_DIRECT_IO) | |
2552 | sbi->write_iostat[APP_BUFFERED_IO] = | |
2553 | sbi->write_iostat[APP_WRITE_IO] - | |
2554 | sbi->write_iostat[APP_DIRECT_IO]; | |
2555 | spin_unlock(&sbi->iostat_lock); | |
2556 | } | |
267378d4 | 2557 | |
39a53e0c JK |
2558 | /* |
2559 | * file.c | |
2560 | */ | |
13f00235 JK |
2561 | int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync); |
2562 | void truncate_data_blocks(struct dnode_of_data *dn); | |
2563 | int truncate_blocks(struct inode *inode, u64 from, bool lock); | |
2564 | int f2fs_truncate(struct inode *inode); | |
2565 | int f2fs_getattr(struct vfsmount *mnt, struct dentry *dentry, | |
2566 | struct kstat *stat); | |
2567 | int f2fs_setattr(struct dentry *dentry, struct iattr *attr); | |
2568 | int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end); | |
2569 | int truncate_data_blocks_range(struct dnode_of_data *dn, int count); | |
2570 | long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); | |
2571 | long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg); | |
39a53e0c JK |
2572 | |
2573 | /* | |
2574 | * inode.c | |
2575 | */ | |
13f00235 JK |
2576 | void f2fs_set_inode_flags(struct inode *inode); |
2577 | bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page); | |
2578 | void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page); | |
2579 | struct inode *f2fs_iget(struct super_block *sb, unsigned long ino); | |
2580 | struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino); | |
2581 | int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink); | |
2582 | int update_inode(struct inode *inode, struct page *node_page); | |
2583 | int update_inode_page(struct inode *inode); | |
2584 | int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc); | |
2585 | void f2fs_evict_inode(struct inode *inode); | |
2586 | void handle_failed_inode(struct inode *inode); | |
39a53e0c JK |
2587 | |
2588 | /* | |
2589 | * namei.c | |
2590 | */ | |
2591 | struct dentry *f2fs_get_parent(struct dentry *child); | |
2592 | ||
2593 | /* | |
2594 | * dir.c | |
2595 | */ | |
13f00235 JK |
2596 | void set_de_type(struct f2fs_dir_entry *de, umode_t mode); |
2597 | unsigned char get_de_type(struct f2fs_dir_entry *de); | |
2598 | struct f2fs_dir_entry *find_target_dentry(struct fscrypt_name *fname, | |
2599 | f2fs_hash_t namehash, int *max_slots, | |
2600 | struct f2fs_dentry_ptr *d); | |
2601 | int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d, | |
2602 | unsigned int start_pos, struct fscrypt_str *fstr); | |
2603 | void do_make_empty_dir(struct inode *inode, struct inode *parent, | |
2604 | struct f2fs_dentry_ptr *d); | |
2605 | struct page *init_inode_metadata(struct inode *inode, struct inode *dir, | |
2606 | const struct qstr *new_name, | |
2607 | const struct qstr *orig_name, struct page *dpage); | |
2608 | void update_parent_metadata(struct inode *dir, struct inode *inode, | |
2609 | unsigned int current_depth); | |
2610 | int room_for_filename(const void *bitmap, int slots, int max_slots); | |
2611 | void f2fs_drop_nlink(struct inode *dir, struct inode *inode); | |
2612 | struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir, | |
2613 | struct fscrypt_name *fname, struct page **res_page); | |
2614 | struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir, | |
2615 | const struct qstr *child, struct page **res_page); | |
2616 | struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p); | |
2617 | ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr, | |
2618 | struct page **page); | |
2619 | void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de, | |
2620 | struct page *page, struct inode *inode); | |
2621 | void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d, | |
2622 | const struct qstr *name, f2fs_hash_t name_hash, | |
2623 | unsigned int bit_pos); | |
2624 | int f2fs_add_regular_entry(struct inode *dir, const struct qstr *new_name, | |
2625 | const struct qstr *orig_name, | |
2626 | struct inode *inode, nid_t ino, umode_t mode); | |
2627 | int __f2fs_do_add_link(struct inode *dir, struct fscrypt_name *fname, | |
2628 | struct inode *inode, nid_t ino, umode_t mode); | |
2629 | int __f2fs_add_link(struct inode *dir, const struct qstr *name, | |
2630 | struct inode *inode, nid_t ino, umode_t mode); | |
2631 | void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, | |
2632 | struct inode *dir, struct inode *inode); | |
2633 | int f2fs_do_tmpfile(struct inode *inode, struct inode *dir); | |
2634 | bool f2fs_empty_dir(struct inode *dir); | |
39a53e0c | 2635 | |
b7f7a5e0 AV |
2636 | static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode) |
2637 | { | |
2b0143b5 | 2638 | return __f2fs_add_link(d_inode(dentry->d_parent), &dentry->d_name, |
510022a8 | 2639 | inode, inode->i_ino, inode->i_mode); |
b7f7a5e0 AV |
2640 | } |
2641 | ||
39a53e0c JK |
2642 | /* |
2643 | * super.c | |
2644 | */ | |
13f00235 JK |
2645 | int f2fs_inode_dirtied(struct inode *inode, bool sync); |
2646 | void f2fs_inode_synced(struct inode *inode); | |
353c1624 | 2647 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly); |
13f00235 JK |
2648 | void f2fs_quota_off_umount(struct super_block *sb); |
2649 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover); | |
2650 | int f2fs_sync_fs(struct super_block *sb, int sync); | |
a07ef784 | 2651 | extern __printf(3, 4) |
13f00235 | 2652 | void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...); |
c1286ff4 | 2653 | int sanity_check_ckpt(struct f2fs_sb_info *sbi); |
39a53e0c JK |
2654 | |
2655 | /* | |
2656 | * hash.c | |
2657 | */ | |
13f00235 JK |
2658 | f2fs_hash_t f2fs_dentry_hash(const struct qstr *name_info, |
2659 | struct fscrypt_name *fname); | |
39a53e0c JK |
2660 | |
2661 | /* | |
2662 | * node.c | |
2663 | */ | |
2664 | struct dnode_of_data; | |
2665 | struct node_info; | |
2666 | ||
13f00235 JK |
2667 | bool available_free_memory(struct f2fs_sb_info *sbi, int type); |
2668 | int need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid); | |
2669 | bool is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid); | |
2670 | bool need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino); | |
2671 | void get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni); | |
2672 | pgoff_t get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs); | |
2673 | int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode); | |
2674 | int truncate_inode_blocks(struct inode *inode, pgoff_t from); | |
353c1624 | 2675 | int truncate_xattr_node(struct inode *inode); |
13f00235 JK |
2676 | int wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino); |
2677 | int remove_inode_page(struct inode *inode); | |
2678 | struct page *new_inode_page(struct inode *inode); | |
2679 | struct page *new_node_page(struct dnode_of_data *dn, unsigned int ofs); | |
2680 | void ra_node_page(struct f2fs_sb_info *sbi, nid_t nid); | |
2681 | struct page *get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid); | |
2682 | struct page *get_node_page_ra(struct page *parent, int start); | |
2683 | void move_node_page(struct page *node_page, int gc_type); | |
2684 | int fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, | |
2685 | struct writeback_control *wbc, bool atomic); | |
2686 | int sync_node_pages(struct f2fs_sb_info *sbi, struct writeback_control *wbc, | |
2687 | bool do_balance, enum iostat_type io_type); | |
2688 | void build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount); | |
2689 | bool alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid); | |
2690 | void alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid); | |
2691 | void alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid); | |
2692 | int try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink); | |
2693 | void recover_inline_xattr(struct inode *inode, struct page *page); | |
2694 | int recover_xattr_data(struct inode *inode, struct page *page, | |
2695 | block_t blkaddr); | |
2696 | int recover_inode_page(struct f2fs_sb_info *sbi, struct page *page); | |
2697 | int restore_node_summary(struct f2fs_sb_info *sbi, | |
2698 | unsigned int segno, struct f2fs_summary_block *sum); | |
2699 | void flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); | |
2700 | int build_node_manager(struct f2fs_sb_info *sbi); | |
2701 | void destroy_node_manager(struct f2fs_sb_info *sbi); | |
6e6093a8 | 2702 | int __init create_node_manager_caches(void); |
39a53e0c JK |
2703 | void destroy_node_manager_caches(void); |
2704 | ||
2705 | /* | |
2706 | * segment.c | |
2707 | */ | |
13f00235 JK |
2708 | bool need_SSR(struct f2fs_sb_info *sbi); |
2709 | void register_inmem_page(struct inode *inode, struct page *page); | |
353c1624 | 2710 | void drop_inmem_pages_all(struct f2fs_sb_info *sbi); |
13f00235 JK |
2711 | void drop_inmem_pages(struct inode *inode); |
2712 | void drop_inmem_page(struct inode *inode, struct page *page); | |
2713 | int commit_inmem_pages(struct inode *inode); | |
2714 | void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need); | |
2715 | void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi); | |
353c1624 | 2716 | int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino); |
13f00235 | 2717 | int create_flush_cmd_control(struct f2fs_sb_info *sbi); |
353c1624 | 2718 | int f2fs_flush_device_cache(struct f2fs_sb_info *sbi); |
13f00235 JK |
2719 | void destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free); |
2720 | void invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr); | |
2721 | bool is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr); | |
353c1624 JK |
2722 | void init_discard_policy(struct discard_policy *dpolicy, int discard_type, |
2723 | unsigned int granularity); | |
13f00235 | 2724 | void stop_discard_thread(struct f2fs_sb_info *sbi); |
353c1624 | 2725 | bool f2fs_wait_discard_bios(struct f2fs_sb_info *sbi); |
13f00235 JK |
2726 | void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
2727 | void release_discard_addrs(struct f2fs_sb_info *sbi); | |
2728 | int npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra); | |
2729 | void allocate_new_segments(struct f2fs_sb_info *sbi); | |
2730 | int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range); | |
2731 | bool exist_trim_candidates(struct f2fs_sb_info *sbi, struct cp_control *cpc); | |
2732 | struct page *get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno); | |
2733 | void update_meta_page(struct f2fs_sb_info *sbi, void *src, block_t blk_addr); | |
2734 | void write_meta_page(struct f2fs_sb_info *sbi, struct page *page, | |
2735 | enum iostat_type io_type); | |
2736 | void write_node_page(unsigned int nid, struct f2fs_io_info *fio); | |
2737 | void write_data_page(struct dnode_of_data *dn, struct f2fs_io_info *fio); | |
2738 | int rewrite_data_page(struct f2fs_io_info *fio); | |
2739 | void __f2fs_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, | |
2740 | block_t old_blkaddr, block_t new_blkaddr, | |
2741 | bool recover_curseg, bool recover_newaddr); | |
2742 | void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn, | |
2743 | block_t old_addr, block_t new_addr, | |
2744 | unsigned char version, bool recover_curseg, | |
2745 | bool recover_newaddr); | |
2746 | void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, | |
2747 | block_t old_blkaddr, block_t *new_blkaddr, | |
2748 | struct f2fs_summary *sum, int type, | |
2749 | struct f2fs_io_info *fio, bool add_list); | |
2750 | void f2fs_wait_on_page_writeback(struct page *page, | |
2751 | enum page_type type, bool ordered); | |
2752 | void f2fs_wait_on_block_writeback(struct f2fs_sb_info *sbi, block_t blkaddr); | |
2753 | void write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk); | |
2754 | void write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk); | |
2755 | int lookup_journal_in_cursum(struct f2fs_journal *journal, int type, | |
2756 | unsigned int val, int alloc); | |
2757 | void flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); | |
2758 | int build_segment_manager(struct f2fs_sb_info *sbi); | |
2759 | void destroy_segment_manager(struct f2fs_sb_info *sbi); | |
7fd9e544 JK |
2760 | int __init create_segment_manager_caches(void); |
2761 | void destroy_segment_manager_caches(void); | |
39a53e0c JK |
2762 | |
2763 | /* | |
2764 | * checkpoint.c | |
2765 | */ | |
13f00235 JK |
2766 | void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io); |
2767 | struct page *grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); | |
2768 | struct page *get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); | |
2769 | struct page *get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index); | |
2770 | bool is_valid_blkaddr(struct f2fs_sb_info *sbi, block_t blkaddr, int type); | |
2771 | int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, | |
2772 | int type, bool sync); | |
2773 | void ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index); | |
2774 | long sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type, | |
2775 | long nr_to_write, enum iostat_type io_type); | |
2776 | void add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); | |
2777 | void remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); | |
2778 | void release_ino_entry(struct f2fs_sb_info *sbi, bool all); | |
2779 | bool exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode); | |
353c1624 JK |
2780 | void set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, |
2781 | unsigned int devidx, int type); | |
2782 | bool is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, | |
2783 | unsigned int devidx, int type); | |
13f00235 JK |
2784 | int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi); |
2785 | int acquire_orphan_inode(struct f2fs_sb_info *sbi); | |
2786 | void release_orphan_inode(struct f2fs_sb_info *sbi); | |
2787 | void add_orphan_inode(struct inode *inode); | |
2788 | void remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino); | |
2789 | int recover_orphan_inodes(struct f2fs_sb_info *sbi); | |
2790 | int get_valid_checkpoint(struct f2fs_sb_info *sbi); | |
2791 | void update_dirty_page(struct inode *inode, struct page *page); | |
2792 | void remove_dirty_inode(struct inode *inode); | |
2793 | int sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type); | |
2794 | int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc); | |
2795 | void init_ino_entry_info(struct f2fs_sb_info *sbi); | |
6e6093a8 | 2796 | int __init create_checkpoint_caches(void); |
39a53e0c JK |
2797 | void destroy_checkpoint_caches(void); |
2798 | ||
2799 | /* | |
2800 | * data.c | |
2801 | */ | |
13f00235 JK |
2802 | void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type); |
2803 | void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi, | |
2804 | struct inode *inode, nid_t ino, pgoff_t idx, | |
2805 | enum page_type type); | |
2806 | void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi); | |
2807 | int f2fs_submit_page_bio(struct f2fs_io_info *fio); | |
2808 | int f2fs_submit_page_write(struct f2fs_io_info *fio); | |
2809 | struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi, | |
2810 | block_t blk_addr, struct bio *bio); | |
2811 | int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr); | |
2812 | void set_data_blkaddr(struct dnode_of_data *dn); | |
2813 | void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr); | |
2814 | int reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count); | |
2815 | int reserve_new_block(struct dnode_of_data *dn); | |
2816 | int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index); | |
2817 | int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from); | |
2818 | int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index); | |
2819 | struct page *get_read_data_page(struct inode *inode, pgoff_t index, | |
2820 | int op_flags, bool for_write); | |
2821 | struct page *find_data_page(struct inode *inode, pgoff_t index); | |
2822 | struct page *get_lock_data_page(struct inode *inode, pgoff_t index, | |
2823 | bool for_write); | |
2824 | struct page *get_new_data_page(struct inode *inode, | |
2825 | struct page *ipage, pgoff_t index, bool new_i_size); | |
2826 | int do_write_data_page(struct f2fs_io_info *fio); | |
2827 | int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, | |
2828 | int create, int flag); | |
2829 | int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, | |
2830 | u64 start, u64 len); | |
2831 | void f2fs_set_page_dirty_nobuffers(struct page *page); | |
2832 | int __f2fs_write_data_pages(struct address_space *mapping, | |
2833 | struct writeback_control *wbc, | |
2834 | enum iostat_type io_type); | |
2835 | void f2fs_invalidate_page(struct page *page, unsigned int offset, | |
2836 | unsigned int length); | |
2837 | int f2fs_release_page(struct page *page, gfp_t wait); | |
c1286ff4 | 2838 | #ifdef CONFIG_MIGRATION |
13f00235 JK |
2839 | int f2fs_migrate_page(struct address_space *mapping, struct page *newpage, |
2840 | struct page *page, enum migrate_mode mode); | |
c1286ff4 | 2841 | #endif |
39a53e0c JK |
2842 | |
2843 | /* | |
2844 | * gc.c | |
2845 | */ | |
13f00235 JK |
2846 | int start_gc_thread(struct f2fs_sb_info *sbi); |
2847 | void stop_gc_thread(struct f2fs_sb_info *sbi); | |
2848 | block_t start_bidx_of_node(unsigned int node_ofs, struct inode *inode); | |
2849 | int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background, | |
2850 | unsigned int segno); | |
2851 | void build_gc_manager(struct f2fs_sb_info *sbi); | |
39a53e0c JK |
2852 | |
2853 | /* | |
2854 | * recovery.c | |
2855 | */ | |
13f00235 JK |
2856 | int recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only); |
2857 | bool space_for_roll_forward(struct f2fs_sb_info *sbi); | |
39a53e0c JK |
2858 | |
2859 | /* | |
2860 | * debug.c | |
2861 | */ | |
2862 | #ifdef CONFIG_F2FS_STAT_FS | |
2863 | struct f2fs_stat_info { | |
2864 | struct list_head stat_list; | |
2865 | struct f2fs_sb_info *sbi; | |
39a53e0c JK |
2866 | int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs; |
2867 | int main_area_segs, main_area_sections, main_area_zones; | |
5b7ee374 CY |
2868 | unsigned long long hit_largest, hit_cached, hit_rbtree; |
2869 | unsigned long long hit_total, total_ext; | |
c1286ff4 | 2870 | int ext_tree, zombie_tree, ext_node; |
353c1624 JK |
2871 | int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta; |
2872 | int ndirty_data, ndirty_qdata; | |
3f137dda | 2873 | int inmem_pages; |
353c1624 | 2874 | unsigned int ndirty_dirs, ndirty_files, nquota_files, ndirty_all; |
13f00235 JK |
2875 | int nats, dirty_nats, sits, dirty_sits; |
2876 | int free_nids, avail_nids, alloc_nids; | |
39a53e0c | 2877 | int total_count, utilization; |
9e266223 | 2878 | int bg_gc, nr_wb_cp_data, nr_wb_data; |
353c1624 JK |
2879 | int nr_flushing, nr_flushed, flush_list_empty; |
2880 | int nr_discarding, nr_discarded; | |
13f00235 JK |
2881 | int nr_discard_cmd; |
2882 | unsigned int undiscard_blks; | |
2883 | int inline_xattr, inline_inode, inline_dir, append, update, orphans; | |
2884 | int aw_cnt, max_aw_cnt, vw_cnt, max_vw_cnt; | |
c1286ff4 | 2885 | unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks; |
39a53e0c JK |
2886 | unsigned int bimodal, avg_vblocks; |
2887 | int util_free, util_valid, util_invalid; | |
2888 | int rsvd_segs, overp_segs; | |
2889 | int dirty_count, node_pages, meta_pages; | |
c1286ff4 | 2890 | int prefree_count, call_count, cp_count, bg_cp_count; |
39a53e0c | 2891 | int tot_segs, node_segs, data_segs, free_segs, free_secs; |
e1235983 | 2892 | int bg_node_segs, bg_data_segs; |
39a53e0c | 2893 | int tot_blks, data_blks, node_blks; |
e1235983 | 2894 | int bg_data_blks, bg_node_blks; |
39a53e0c JK |
2895 | int curseg[NR_CURSEG_TYPE]; |
2896 | int cursec[NR_CURSEG_TYPE]; | |
2897 | int curzone[NR_CURSEG_TYPE]; | |
2898 | ||
2899 | unsigned int segment_count[2]; | |
2900 | unsigned int block_count[2]; | |
b9a2c252 | 2901 | unsigned int inplace_count; |
9edcdabf | 2902 | unsigned long long base_mem, cache_mem, page_mem; |
39a53e0c JK |
2903 | }; |
2904 | ||
963d4f7d GZ |
2905 | static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) |
2906 | { | |
6c311ec6 | 2907 | return (struct f2fs_stat_info *)sbi->stat_info; |
963d4f7d GZ |
2908 | } |
2909 | ||
942e0be6 | 2910 | #define stat_inc_cp_count(si) ((si)->cp_count++) |
c1286ff4 | 2911 | #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++) |
dcdfff65 JK |
2912 | #define stat_inc_call_count(si) ((si)->call_count++) |
2913 | #define stat_inc_bggc_count(sbi) ((sbi)->bg_gc++) | |
c1286ff4 JK |
2914 | #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++) |
2915 | #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--) | |
5b7ee374 CY |
2916 | #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext)) |
2917 | #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree)) | |
2918 | #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest)) | |
2919 | #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached)) | |
d5e8f6c9 CY |
2920 | #define stat_inc_inline_xattr(inode) \ |
2921 | do { \ | |
2922 | if (f2fs_has_inline_xattr(inode)) \ | |
2923 | (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \ | |
2924 | } while (0) | |
2925 | #define stat_dec_inline_xattr(inode) \ | |
2926 | do { \ | |
2927 | if (f2fs_has_inline_xattr(inode)) \ | |
2928 | (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \ | |
2929 | } while (0) | |
0dbdc2ae JK |
2930 | #define stat_inc_inline_inode(inode) \ |
2931 | do { \ | |
2932 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 2933 | (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae JK |
2934 | } while (0) |
2935 | #define stat_dec_inline_inode(inode) \ | |
2936 | do { \ | |
2937 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 2938 | (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae | 2939 | } while (0) |
3289c061 JK |
2940 | #define stat_inc_inline_dir(inode) \ |
2941 | do { \ | |
2942 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 2943 | (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 JK |
2944 | } while (0) |
2945 | #define stat_dec_inline_dir(inode) \ | |
2946 | do { \ | |
2947 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 2948 | (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 | 2949 | } while (0) |
dcdfff65 JK |
2950 | #define stat_inc_seg_type(sbi, curseg) \ |
2951 | ((sbi)->segment_count[(curseg)->alloc_type]++) | |
2952 | #define stat_inc_block_count(sbi, curseg) \ | |
2953 | ((sbi)->block_count[(curseg)->alloc_type]++) | |
b9a2c252 CL |
2954 | #define stat_inc_inplace_blocks(sbi) \ |
2955 | (atomic_inc(&(sbi)->inplace_count)) | |
97a43c70 | 2956 | #define stat_inc_atomic_write(inode) \ |
13f00235 | 2957 | (atomic_inc(&F2FS_I_SB(inode)->aw_cnt)) |
97a43c70 | 2958 | #define stat_dec_atomic_write(inode) \ |
13f00235 | 2959 | (atomic_dec(&F2FS_I_SB(inode)->aw_cnt)) |
97a43c70 JK |
2960 | #define stat_update_max_atomic_write(inode) \ |
2961 | do { \ | |
2962 | int cur = atomic_read(&F2FS_I_SB(inode)->aw_cnt); \ | |
2963 | int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \ | |
2964 | if (cur > max) \ | |
2965 | atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \ | |
2966 | } while (0) | |
13f00235 JK |
2967 | #define stat_inc_volatile_write(inode) \ |
2968 | (atomic_inc(&F2FS_I_SB(inode)->vw_cnt)) | |
2969 | #define stat_dec_volatile_write(inode) \ | |
2970 | (atomic_dec(&F2FS_I_SB(inode)->vw_cnt)) | |
2971 | #define stat_update_max_volatile_write(inode) \ | |
2972 | do { \ | |
2973 | int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \ | |
2974 | int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \ | |
2975 | if (cur > max) \ | |
2976 | atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \ | |
2977 | } while (0) | |
e1235983 | 2978 | #define stat_inc_seg_count(sbi, type, gc_type) \ |
39a53e0c | 2979 | do { \ |
963d4f7d | 2980 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
13f00235 JK |
2981 | si->tot_segs++; \ |
2982 | if ((type) == SUM_TYPE_DATA) { \ | |
39a53e0c | 2983 | si->data_segs++; \ |
e1235983 CL |
2984 | si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \ |
2985 | } else { \ | |
39a53e0c | 2986 | si->node_segs++; \ |
e1235983 CL |
2987 | si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \ |
2988 | } \ | |
39a53e0c JK |
2989 | } while (0) |
2990 | ||
2991 | #define stat_inc_tot_blk_count(si, blks) \ | |
13f00235 | 2992 | ((si)->tot_blks += (blks)) |
39a53e0c | 2993 | |
e1235983 | 2994 | #define stat_inc_data_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 2995 | do { \ |
963d4f7d | 2996 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
2997 | stat_inc_tot_blk_count(si, blks); \ |
2998 | si->data_blks += (blks); \ | |
13f00235 | 2999 | si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
3000 | } while (0) |
3001 | ||
e1235983 | 3002 | #define stat_inc_node_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 3003 | do { \ |
963d4f7d | 3004 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
3005 | stat_inc_tot_blk_count(si, blks); \ |
3006 | si->node_blks += (blks); \ | |
13f00235 | 3007 | si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
3008 | } while (0) |
3009 | ||
13f00235 JK |
3010 | int f2fs_build_stats(struct f2fs_sb_info *sbi); |
3011 | void f2fs_destroy_stats(struct f2fs_sb_info *sbi); | |
c1286ff4 | 3012 | int __init f2fs_create_root_stats(void); |
4589d25d | 3013 | void f2fs_destroy_root_stats(void); |
39a53e0c | 3014 | #else |
13f00235 JK |
3015 | #define stat_inc_cp_count(si) do { } while (0) |
3016 | #define stat_inc_bg_cp_count(si) do { } while (0) | |
3017 | #define stat_inc_call_count(si) do { } while (0) | |
3018 | #define stat_inc_bggc_count(si) do { } while (0) | |
3019 | #define stat_inc_dirty_inode(sbi, type) do { } while (0) | |
3020 | #define stat_dec_dirty_inode(sbi, type) do { } while (0) | |
3021 | #define stat_inc_total_hit(sb) do { } while (0) | |
3022 | #define stat_inc_rbtree_node_hit(sb) do { } while (0) | |
3023 | #define stat_inc_largest_node_hit(sbi) do { } while (0) | |
3024 | #define stat_inc_cached_node_hit(sbi) do { } while (0) | |
3025 | #define stat_inc_inline_xattr(inode) do { } while (0) | |
3026 | #define stat_dec_inline_xattr(inode) do { } while (0) | |
3027 | #define stat_inc_inline_inode(inode) do { } while (0) | |
3028 | #define stat_dec_inline_inode(inode) do { } while (0) | |
3029 | #define stat_inc_inline_dir(inode) do { } while (0) | |
3030 | #define stat_dec_inline_dir(inode) do { } while (0) | |
3031 | #define stat_inc_atomic_write(inode) do { } while (0) | |
3032 | #define stat_dec_atomic_write(inode) do { } while (0) | |
3033 | #define stat_update_max_atomic_write(inode) do { } while (0) | |
3034 | #define stat_inc_volatile_write(inode) do { } while (0) | |
3035 | #define stat_dec_volatile_write(inode) do { } while (0) | |
3036 | #define stat_update_max_volatile_write(inode) do { } while (0) | |
3037 | #define stat_inc_seg_type(sbi, curseg) do { } while (0) | |
3038 | #define stat_inc_block_count(sbi, curseg) do { } while (0) | |
3039 | #define stat_inc_inplace_blocks(sbi) do { } while (0) | |
3040 | #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0) | |
3041 | #define stat_inc_tot_blk_count(si, blks) do { } while (0) | |
3042 | #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0) | |
3043 | #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0) | |
39a53e0c JK |
3044 | |
3045 | static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; } | |
3046 | static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { } | |
c1286ff4 | 3047 | static inline int __init f2fs_create_root_stats(void) { return 0; } |
4589d25d | 3048 | static inline void f2fs_destroy_root_stats(void) { } |
39a53e0c JK |
3049 | #endif |
3050 | ||
3051 | extern const struct file_operations f2fs_dir_operations; | |
3052 | extern const struct file_operations f2fs_file_operations; | |
3053 | extern const struct inode_operations f2fs_file_inode_operations; | |
3054 | extern const struct address_space_operations f2fs_dblock_aops; | |
3055 | extern const struct address_space_operations f2fs_node_aops; | |
3056 | extern const struct address_space_operations f2fs_meta_aops; | |
3057 | extern const struct inode_operations f2fs_dir_inode_operations; | |
3058 | extern const struct inode_operations f2fs_symlink_inode_operations; | |
cbaf042a | 3059 | extern const struct inode_operations f2fs_encrypted_symlink_inode_operations; |
39a53e0c | 3060 | extern const struct inode_operations f2fs_special_inode_operations; |
29e7043f | 3061 | extern struct kmem_cache *inode_entry_slab; |
1001b347 | 3062 | |
e18c65b2 HL |
3063 | /* |
3064 | * inline.c | |
3065 | */ | |
13f00235 JK |
3066 | bool f2fs_may_inline_data(struct inode *inode); |
3067 | bool f2fs_may_inline_dentry(struct inode *inode); | |
3068 | void read_inline_data(struct page *page, struct page *ipage); | |
3069 | void truncate_inline_inode(struct inode *inode, struct page *ipage, u64 from); | |
3070 | int f2fs_read_inline_data(struct inode *inode, struct page *page); | |
3071 | int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page); | |
3072 | int f2fs_convert_inline_inode(struct inode *inode); | |
3073 | int f2fs_write_inline_data(struct inode *inode, struct page *page); | |
3074 | bool recover_inline_data(struct inode *inode, struct page *npage); | |
3075 | struct f2fs_dir_entry *find_in_inline_dir(struct inode *dir, | |
3076 | struct fscrypt_name *fname, struct page **res_page); | |
3077 | int make_empty_inline_dir(struct inode *inode, struct inode *parent, | |
3078 | struct page *ipage); | |
3079 | int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name, | |
3080 | const struct qstr *orig_name, | |
3081 | struct inode *inode, nid_t ino, umode_t mode); | |
3082 | void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, struct page *page, | |
3083 | struct inode *dir, struct inode *inode); | |
3084 | bool f2fs_empty_inline_dir(struct inode *dir); | |
3085 | int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx, | |
3086 | struct fscrypt_str *fstr); | |
3087 | int f2fs_inline_data_fiemap(struct inode *inode, | |
3088 | struct fiemap_extent_info *fieinfo, | |
3089 | __u64 start, __u64 len); | |
cde4de12 | 3090 | |
2658e50d JK |
3091 | /* |
3092 | * shrinker.c | |
3093 | */ | |
13f00235 JK |
3094 | unsigned long f2fs_shrink_count(struct shrinker *shrink, |
3095 | struct shrink_control *sc); | |
3096 | unsigned long f2fs_shrink_scan(struct shrinker *shrink, | |
3097 | struct shrink_control *sc); | |
3098 | void f2fs_join_shrinker(struct f2fs_sb_info *sbi); | |
3099 | void f2fs_leave_shrinker(struct f2fs_sb_info *sbi); | |
2658e50d | 3100 | |
a28ef1f5 CY |
3101 | /* |
3102 | * extent_cache.c | |
3103 | */ | |
13f00235 JK |
3104 | struct rb_entry *__lookup_rb_tree(struct rb_root *root, |
3105 | struct rb_entry *cached_re, unsigned int ofs); | |
3106 | struct rb_node **__lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi, | |
3107 | struct rb_root *root, struct rb_node **parent, | |
3108 | unsigned int ofs); | |
3109 | struct rb_entry *__lookup_rb_tree_ret(struct rb_root *root, | |
3110 | struct rb_entry *cached_re, unsigned int ofs, | |
3111 | struct rb_entry **prev_entry, struct rb_entry **next_entry, | |
3112 | struct rb_node ***insert_p, struct rb_node **insert_parent, | |
3113 | bool force); | |
3114 | bool __check_rb_tree_consistence(struct f2fs_sb_info *sbi, | |
3115 | struct rb_root *root); | |
3116 | unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink); | |
3117 | bool f2fs_init_extent_tree(struct inode *inode, struct f2fs_extent *i_ext); | |
3118 | void f2fs_drop_extent_tree(struct inode *inode); | |
3119 | unsigned int f2fs_destroy_extent_node(struct inode *inode); | |
3120 | void f2fs_destroy_extent_tree(struct inode *inode); | |
3121 | bool f2fs_lookup_extent_cache(struct inode *inode, pgoff_t pgofs, | |
3122 | struct extent_info *ei); | |
3123 | void f2fs_update_extent_cache(struct dnode_of_data *dn); | |
19b2c30d | 3124 | void f2fs_update_extent_cache_range(struct dnode_of_data *dn, |
13f00235 JK |
3125 | pgoff_t fofs, block_t blkaddr, unsigned int len); |
3126 | void init_extent_cache_info(struct f2fs_sb_info *sbi); | |
a28ef1f5 CY |
3127 | int __init create_extent_cache(void); |
3128 | void destroy_extent_cache(void); | |
3129 | ||
13f00235 JK |
3130 | /* |
3131 | * sysfs.c | |
3132 | */ | |
3133 | int __init f2fs_init_sysfs(void); | |
3134 | void f2fs_exit_sysfs(void); | |
3135 | int f2fs_register_sysfs(struct f2fs_sb_info *sbi); | |
3136 | void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi); | |
3137 | ||
cde4de12 JK |
3138 | /* |
3139 | * crypto support | |
3140 | */ | |
c1286ff4 | 3141 | static inline bool f2fs_encrypted_inode(struct inode *inode) |
cde4de12 | 3142 | { |
cde4de12 | 3143 | return file_is_encrypt(inode); |
cde4de12 JK |
3144 | } |
3145 | ||
13f00235 JK |
3146 | static inline bool f2fs_encrypted_file(struct inode *inode) |
3147 | { | |
3148 | return f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode); | |
3149 | } | |
3150 | ||
cde4de12 JK |
3151 | static inline void f2fs_set_encrypted_inode(struct inode *inode) |
3152 | { | |
3153 | #ifdef CONFIG_F2FS_FS_ENCRYPTION | |
3154 | file_set_encrypt(inode); | |
3155 | #endif | |
3156 | } | |
3157 | ||
3158 | static inline bool f2fs_bio_encrypted(struct bio *bio) | |
3159 | { | |
c1286ff4 | 3160 | return bio->bi_private != NULL; |
cde4de12 JK |
3161 | } |
3162 | ||
3163 | static inline int f2fs_sb_has_crypto(struct super_block *sb) | |
3164 | { | |
cde4de12 | 3165 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_ENCRYPT); |
cde4de12 | 3166 | } |
f424f664 | 3167 | |
22bbc1ef | 3168 | static inline int f2fs_sb_mounted_blkzoned(struct super_block *sb) |
fcc85a4d | 3169 | { |
22bbc1ef | 3170 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_BLKZONED); |
fcc85a4d JK |
3171 | } |
3172 | ||
13f00235 JK |
3173 | static inline int f2fs_sb_has_extra_attr(struct super_block *sb) |
3174 | { | |
3175 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_EXTRA_ATTR); | |
3176 | } | |
3177 | ||
3178 | static inline int f2fs_sb_has_project_quota(struct super_block *sb) | |
3179 | { | |
3180 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_PRJQUOTA); | |
3181 | } | |
3182 | ||
3183 | static inline int f2fs_sb_has_inode_chksum(struct super_block *sb) | |
3184 | { | |
3185 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_INODE_CHKSUM); | |
3186 | } | |
3187 | ||
353c1624 JK |
3188 | static inline int f2fs_sb_has_flexible_inline_xattr(struct super_block *sb) |
3189 | { | |
3190 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_FLEXIBLE_INLINE_XATTR); | |
3191 | } | |
3192 | ||
3193 | static inline int f2fs_sb_has_quota_ino(struct super_block *sb) | |
3194 | { | |
3195 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_QUOTA_INO); | |
3196 | } | |
3197 | ||
018fc18e DLM |
3198 | #ifdef CONFIG_BLK_DEV_ZONED |
3199 | static inline int get_blkz_type(struct f2fs_sb_info *sbi, | |
07f01079 | 3200 | struct block_device *bdev, block_t blkaddr) |
018fc18e DLM |
3201 | { |
3202 | unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz; | |
07f01079 | 3203 | int i; |
018fc18e | 3204 | |
07f01079 JK |
3205 | for (i = 0; i < sbi->s_ndevs; i++) |
3206 | if (FDEV(i).bdev == bdev) | |
3207 | return FDEV(i).blkz_type[zno]; | |
3208 | return -EINVAL; | |
018fc18e DLM |
3209 | } |
3210 | #endif | |
3211 | ||
4b1d4ef0 DLM |
3212 | static inline bool f2fs_discard_en(struct f2fs_sb_info *sbi) |
3213 | { | |
3214 | struct request_queue *q = bdev_get_queue(sbi->sb->s_bdev); | |
3215 | ||
3216 | return blk_queue_discard(q) || f2fs_sb_mounted_blkzoned(sbi->sb); | |
3217 | } | |
3218 | ||
c1286ff4 JK |
3219 | static inline void set_opt_mode(struct f2fs_sb_info *sbi, unsigned int mt) |
3220 | { | |
3221 | clear_opt(sbi, ADAPTIVE); | |
3222 | clear_opt(sbi, LFS); | |
0adda907 | 3223 | |
c1286ff4 JK |
3224 | switch (mt) { |
3225 | case F2FS_MOUNT_ADAPTIVE: | |
3226 | set_opt(sbi, ADAPTIVE); | |
3227 | break; | |
3228 | case F2FS_MOUNT_LFS: | |
3229 | set_opt(sbi, LFS); | |
3230 | break; | |
3231 | } | |
3232 | } | |
0adda907 | 3233 | |
c1286ff4 JK |
3234 | static inline bool f2fs_may_encrypt(struct inode *inode) |
3235 | { | |
3236 | #ifdef CONFIG_F2FS_FS_ENCRYPTION | |
3237 | umode_t mode = inode->i_mode; | |
6b3bd08f | 3238 | |
c1286ff4 | 3239 | return (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode)); |
57e5055b | 3240 | #else |
6b3bd08f | 3241 | return 0; |
c1286ff4 | 3242 | #endif |
6b3bd08f JK |
3243 | } |
3244 | ||
39a53e0c | 3245 | #endif |