1 /* SPDX-License-Identifier: GPL-2.0 */
5 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
6 * http://www.samsung.com/
11 #include <linux/uio.h>
12 #include <linux/types.h>
13 #include <linux/page-flags.h>
14 #include <linux/buffer_head.h>
15 #include <linux/slab.h>
16 #include <linux/crc32.h>
17 #include <linux/magic.h>
18 #include <linux/kobject.h>
19 #include <linux/sched.h>
20 #include <linux/cred.h>
21 #include <linux/vmalloc.h>
22 #include <linux/bio.h>
23 #include <linux/blkdev.h>
24 #include <linux/quotaops.h>
25 #include <linux/part_stat.h>
26 #include <crypto/hash.h>
28 #include <linux/fscrypt.h>
29 #include <linux/fsverity.h>
31 #ifdef CONFIG_F2FS_CHECK_FS
32 #define f2fs_bug_on(sbi, condition) BUG_ON(condition)
34 #define f2fs_bug_on(sbi, condition) \
36 if (unlikely(condition)) { \
38 set_sbi_flag(sbi, SBI_NEED_FSCK); \
62 #ifdef CONFIG_F2FS_FAULT_INJECTION
63 #define F2FS_ALL_FAULT_TYPE ((1 << FAULT_MAX) - 1)
65 struct f2fs_fault_info {
67 unsigned int inject_rate;
68 unsigned int inject_type;
71 extern const char *f2fs_fault_name[FAULT_MAX];
72 #define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type)))
78 #define F2FS_MOUNT_DISABLE_ROLL_FORWARD 0x00000002
79 #define F2FS_MOUNT_DISCARD 0x00000004
80 #define F2FS_MOUNT_NOHEAP 0x00000008
81 #define F2FS_MOUNT_XATTR_USER 0x00000010
82 #define F2FS_MOUNT_POSIX_ACL 0x00000020
83 #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040
84 #define F2FS_MOUNT_INLINE_XATTR 0x00000080
85 #define F2FS_MOUNT_INLINE_DATA 0x00000100
86 #define F2FS_MOUNT_INLINE_DENTRY 0x00000200
87 #define F2FS_MOUNT_FLUSH_MERGE 0x00000400
88 #define F2FS_MOUNT_NOBARRIER 0x00000800
89 #define F2FS_MOUNT_FASTBOOT 0x00001000
90 #define F2FS_MOUNT_EXTENT_CACHE 0x00002000
91 #define F2FS_MOUNT_DATA_FLUSH 0x00008000
92 #define F2FS_MOUNT_FAULT_INJECTION 0x00010000
93 #define F2FS_MOUNT_USRQUOTA 0x00080000
94 #define F2FS_MOUNT_GRPQUOTA 0x00100000
95 #define F2FS_MOUNT_PRJQUOTA 0x00200000
96 #define F2FS_MOUNT_QUOTA 0x00400000
97 #define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00800000
98 #define F2FS_MOUNT_RESERVE_ROOT 0x01000000
99 #define F2FS_MOUNT_DISABLE_CHECKPOINT 0x02000000
100 #define F2FS_MOUNT_NORECOVERY 0x04000000
102 #define F2FS_OPTION(sbi) ((sbi)->mount_opt)
103 #define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option)
104 #define set_opt(sbi, option) (F2FS_OPTION(sbi).opt |= F2FS_MOUNT_##option)
105 #define test_opt(sbi, option) (F2FS_OPTION(sbi).opt & F2FS_MOUNT_##option)
107 #define ver_after(a, b) (typecheck(unsigned long long, a) && \
108 typecheck(unsigned long long, b) && \
109 ((long long)((a) - (b)) > 0))
111 typedef u32 block_t; /*
112 * should not change u32, since it is the on-disk block
113 * address format, __le32.
117 #define COMPRESS_EXT_NUM 16
119 struct f2fs_mount_info {
121 int write_io_size_bits; /* Write IO size bits */
122 block_t root_reserved_blocks; /* root reserved blocks */
123 kuid_t s_resuid; /* reserved blocks for uid */
124 kgid_t s_resgid; /* reserved blocks for gid */
125 int active_logs; /* # of active logs */
126 int inline_xattr_size; /* inline xattr size */
127 #ifdef CONFIG_F2FS_FAULT_INJECTION
128 struct f2fs_fault_info fault_info; /* For fault injection */
131 /* Names of quota files with journalled quota */
132 char *s_qf_names[MAXQUOTAS];
133 int s_jquota_fmt; /* Format of quota to use */
135 /* For which write hints are passed down to block layer */
137 int alloc_mode; /* segment allocation policy */
138 int fsync_mode; /* fsync policy */
139 int fs_mode; /* fs mode: LFS or ADAPTIVE */
140 int bggc_mode; /* bggc mode: off, on or sync */
141 struct fscrypt_dummy_context dummy_enc_ctx; /* test dummy encryption */
142 block_t unusable_cap_perc; /* percentage for cap */
143 block_t unusable_cap; /* Amount of space allowed to be
144 * unusable when disabling checkpoint
147 /* For compression */
148 unsigned char compress_algorithm; /* algorithm type */
149 unsigned compress_log_size; /* cluster log size */
150 unsigned char compress_ext_cnt; /* extension count */
151 unsigned char extensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN]; /* extensions */
154 #define F2FS_FEATURE_ENCRYPT 0x0001
155 #define F2FS_FEATURE_BLKZONED 0x0002
156 #define F2FS_FEATURE_ATOMIC_WRITE 0x0004
157 #define F2FS_FEATURE_EXTRA_ATTR 0x0008
158 #define F2FS_FEATURE_PRJQUOTA 0x0010
159 #define F2FS_FEATURE_INODE_CHKSUM 0x0020
160 #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040
161 #define F2FS_FEATURE_QUOTA_INO 0x0080
162 #define F2FS_FEATURE_INODE_CRTIME 0x0100
163 #define F2FS_FEATURE_LOST_FOUND 0x0200
164 #define F2FS_FEATURE_VERITY 0x0400
165 #define F2FS_FEATURE_SB_CHKSUM 0x0800
166 #define F2FS_FEATURE_CASEFOLD 0x1000
167 #define F2FS_FEATURE_COMPRESSION 0x2000
169 #define __F2FS_HAS_FEATURE(raw_super, mask) \
170 ((raw_super->feature & cpu_to_le32(mask)) != 0)
171 #define F2FS_HAS_FEATURE(sbi, mask) __F2FS_HAS_FEATURE(sbi->raw_super, mask)
172 #define F2FS_SET_FEATURE(sbi, mask) \
173 (sbi->raw_super->feature |= cpu_to_le32(mask))
174 #define F2FS_CLEAR_FEATURE(sbi, mask) \
175 (sbi->raw_super->feature &= ~cpu_to_le32(mask))
178 * Default values for user and/or group using reserved blocks
180 #define F2FS_DEF_RESUID 0
181 #define F2FS_DEF_RESGID 0
184 * For checkpoint manager
191 #define CP_UMOUNT 0x00000001
192 #define CP_FASTBOOT 0x00000002
193 #define CP_SYNC 0x00000004
194 #define CP_RECOVERY 0x00000008
195 #define CP_DISCARD 0x00000010
196 #define CP_TRIMMED 0x00000020
197 #define CP_PAUSE 0x00000040
198 #define CP_RESIZE 0x00000080
200 #define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi)
201 #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */
202 #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */
203 #define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */
204 #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */
205 #define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */
206 #define DEF_CP_INTERVAL 60 /* 60 secs */
207 #define DEF_IDLE_INTERVAL 5 /* 5 secs */
208 #define DEF_DISABLE_INTERVAL 5 /* 5 secs */
209 #define DEF_DISABLE_QUICK_INTERVAL 1 /* 1 secs */
210 #define DEF_UMOUNT_DISCARD_TIMEOUT 5 /* 5 secs */
220 * indicate meta/data type
229 DATA_GENERIC, /* check range only */
230 DATA_GENERIC_ENHANCE, /* strong check on range and segment bitmap */
231 DATA_GENERIC_ENHANCE_READ, /*
232 * strong check on range and segment
233 * bitmap but no warning due to race
234 * condition of read on truncated area
240 /* for the list of ino */
242 ORPHAN_INO, /* for orphan ino list */
243 APPEND_INO, /* for append ino list */
244 UPDATE_INO, /* for update ino list */
245 TRANS_DIR_INO, /* for trasactions dir ino list */
246 FLUSH_INO, /* for multiple device flushing */
247 MAX_INO_ENTRY, /* max. list */
251 struct list_head list; /* list head */
252 nid_t ino; /* inode number */
253 unsigned int dirty_device; /* dirty device bitmap */
256 /* for the list of inodes to be GCed */
258 struct list_head list; /* list head */
259 struct inode *inode; /* vfs inode pointer */
262 struct fsync_node_entry {
263 struct list_head list; /* list head */
264 struct page *page; /* warm node page pointer */
265 unsigned int seq_id; /* sequence id */
268 /* for the bitmap indicate blocks to be discarded */
269 struct discard_entry {
270 struct list_head list; /* list head */
271 block_t start_blkaddr; /* start blockaddr of current segment */
272 unsigned char discard_map[SIT_VBLOCK_MAP_SIZE]; /* segment discard bitmap */
275 /* default discard granularity of inner discard thread, unit: block count */
276 #define DEFAULT_DISCARD_GRANULARITY 16
278 /* max discard pend list number */
279 #define MAX_PLIST_NUM 512
280 #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \
281 (MAX_PLIST_NUM - 1) : ((blk_num) - 1))
284 D_PREP, /* initial */
285 D_PARTIAL, /* partially submitted */
286 D_SUBMIT, /* all submitted */
287 D_DONE, /* finished */
290 struct discard_info {
291 block_t lstart; /* logical start address */
292 block_t len; /* length */
293 block_t start; /* actual start address in dev */
297 struct rb_node rb_node; /* rb node located in rb-tree */
300 block_t lstart; /* logical start address */
301 block_t len; /* length */
302 block_t start; /* actual start address in dev */
304 struct discard_info di; /* discard info */
307 struct list_head list; /* command list */
308 struct completion wait; /* compleation */
309 struct block_device *bdev; /* bdev */
310 unsigned short ref; /* reference count */
311 unsigned char state; /* state */
312 unsigned char queued; /* queued discard */
313 int error; /* bio error */
314 spinlock_t lock; /* for state/bio_ref updating */
315 unsigned short bio_ref; /* bio reference count */
326 struct discard_policy {
327 int type; /* type of discard */
328 unsigned int min_interval; /* used for candidates exist */
329 unsigned int mid_interval; /* used for device busy */
330 unsigned int max_interval; /* used for candidates not exist */
331 unsigned int max_requests; /* # of discards issued per round */
332 unsigned int io_aware_gran; /* minimum granularity discard not be aware of I/O */
333 bool io_aware; /* issue discard in idle time */
334 bool sync; /* submit discard with REQ_SYNC flag */
335 bool ordered; /* issue discard by lba order */
336 bool timeout; /* discard timeout for put_super */
337 unsigned int granularity; /* discard granularity */
340 struct discard_cmd_control {
341 struct task_struct *f2fs_issue_discard; /* discard thread */
342 struct list_head entry_list; /* 4KB discard entry list */
343 struct list_head pend_list[MAX_PLIST_NUM];/* store pending entries */
344 struct list_head wait_list; /* store on-flushing entries */
345 struct list_head fstrim_list; /* in-flight discard from fstrim */
346 wait_queue_head_t discard_wait_queue; /* waiting queue for wake-up */
347 unsigned int discard_wake; /* to wake up discard thread */
348 struct mutex cmd_lock;
349 unsigned int nr_discards; /* # of discards in the list */
350 unsigned int max_discards; /* max. discards to be issued */
351 unsigned int discard_granularity; /* discard granularity */
352 unsigned int undiscard_blks; /* # of undiscard blocks */
353 unsigned int next_pos; /* next discard position */
354 atomic_t issued_discard; /* # of issued discard */
355 atomic_t queued_discard; /* # of queued discard */
356 atomic_t discard_cmd_cnt; /* # of cached cmd count */
357 struct rb_root_cached root; /* root of discard rb-tree */
358 bool rbtree_check; /* config for consistence check */
361 /* for the list of fsync inodes, used only during recovery */
362 struct fsync_inode_entry {
363 struct list_head list; /* list head */
364 struct inode *inode; /* vfs inode pointer */
365 block_t blkaddr; /* block address locating the last fsync */
366 block_t last_dentry; /* block address locating the last dentry */
369 #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats))
370 #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits))
372 #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne)
373 #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid)
374 #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se)
375 #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno)
377 #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl))
378 #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl))
380 static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i)
382 int before = nats_in_cursum(journal);
384 journal->n_nats = cpu_to_le16(before + i);
388 static inline int update_sits_in_cursum(struct f2fs_journal *journal, int i)
390 int before = sits_in_cursum(journal);
392 journal->n_sits = cpu_to_le16(before + i);
396 static inline bool __has_cursum_space(struct f2fs_journal *journal,
399 if (type == NAT_JOURNAL)
400 return size <= MAX_NAT_JENTRIES(journal);
401 return size <= MAX_SIT_JENTRIES(journal);
407 #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS
408 #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS
409 #define F2FS_IOC_GETVERSION FS_IOC_GETVERSION
411 #define F2FS_IOCTL_MAGIC 0xf5
412 #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1)
413 #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2)
414 #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3)
415 #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4)
416 #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5)
417 #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32)
418 #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7)
419 #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \
420 struct f2fs_defragment)
421 #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \
422 struct f2fs_move_range)
423 #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \
424 struct f2fs_flush_device)
425 #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \
426 struct f2fs_gc_range)
427 #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32)
428 #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32)
429 #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32)
430 #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15)
431 #define F2FS_IOC_RESIZE_FS _IOW(F2FS_IOCTL_MAGIC, 16, __u64)
432 #define F2FS_IOC_GET_COMPRESS_BLOCKS _IOR(F2FS_IOCTL_MAGIC, 17, __u64)
433 #define F2FS_IOC_RELEASE_COMPRESS_BLOCKS \
434 _IOR(F2FS_IOCTL_MAGIC, 18, __u64)
435 #define F2FS_IOC_RESERVE_COMPRESS_BLOCKS \
436 _IOR(F2FS_IOCTL_MAGIC, 19, __u64)
438 #define F2FS_IOC_GET_VOLUME_NAME FS_IOC_GETFSLABEL
439 #define F2FS_IOC_SET_VOLUME_NAME FS_IOC_SETFSLABEL
441 #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY
442 #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY
443 #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT
446 * should be same as XFS_IOC_GOINGDOWN.
447 * Flags for going down operation used by FS_IOC_GOINGDOWN
449 #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */
450 #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */
451 #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */
452 #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */
453 #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */
454 #define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */
456 #if defined(__KERNEL__) && defined(CONFIG_COMPAT)
458 * ioctl commands in 32 bit emulation
460 #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS
461 #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS
462 #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION
465 #define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
466 #define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
468 struct f2fs_gc_range {
474 struct f2fs_defragment {
479 struct f2fs_move_range {
480 u32 dst_fd; /* destination fd */
481 u64 pos_in; /* start position in src_fd */
482 u64 pos_out; /* start position in dst_fd */
483 u64 len; /* size to move */
486 struct f2fs_flush_device {
487 u32 dev_num; /* device number to flush */
488 u32 segments; /* # of segments to flush */
491 /* for inline stuff */
492 #define DEF_INLINE_RESERVED_SIZE 1
493 static inline int get_extra_isize(struct inode *inode);
494 static inline int get_inline_xattr_addrs(struct inode *inode);
495 #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \
496 (CUR_ADDRS_PER_INODE(inode) - \
497 get_inline_xattr_addrs(inode) - \
498 DEF_INLINE_RESERVED_SIZE))
501 #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \
502 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
504 #define INLINE_DENTRY_BITMAP_SIZE(inode) \
505 DIV_ROUND_UP(NR_INLINE_DENTRY(inode), BITS_PER_BYTE)
506 #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \
507 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
508 NR_INLINE_DENTRY(inode) + \
509 INLINE_DENTRY_BITMAP_SIZE(inode)))
512 * For INODE and NODE manager
514 /* for directory operations */
516 struct f2fs_filename {
518 * The filename the user specified. This is NULL for some
519 * filesystem-internal operations, e.g. converting an inline directory
520 * to a non-inline one, or roll-forward recovering an encrypted dentry.
522 const struct qstr *usr_fname;
525 * The on-disk filename. For encrypted directories, this is encrypted.
526 * This may be NULL for lookups in an encrypted dir without the key.
528 struct fscrypt_str disk_name;
530 /* The dirhash of this filename */
533 #ifdef CONFIG_FS_ENCRYPTION
535 * For lookups in encrypted directories: either the buffer backing
536 * disk_name, or a buffer that holds the decoded no-key name.
538 struct fscrypt_str crypto_buf;
540 #ifdef CONFIG_UNICODE
542 * For casefolded directories: the casefolded name, but it's left NULL
543 * if the original name is not valid Unicode or if the filesystem is
544 * doing an internal operation where usr_fname is also NULL. In these
545 * cases we fall back to treating the name as an opaque byte sequence.
547 struct fscrypt_str cf_name;
551 struct f2fs_dentry_ptr {
554 struct f2fs_dir_entry *dentry;
555 __u8 (*filename)[F2FS_SLOT_LEN];
560 static inline void make_dentry_ptr_block(struct inode *inode,
561 struct f2fs_dentry_ptr *d, struct f2fs_dentry_block *t)
564 d->max = NR_DENTRY_IN_BLOCK;
565 d->nr_bitmap = SIZE_OF_DENTRY_BITMAP;
566 d->bitmap = t->dentry_bitmap;
567 d->dentry = t->dentry;
568 d->filename = t->filename;
571 static inline void make_dentry_ptr_inline(struct inode *inode,
572 struct f2fs_dentry_ptr *d, void *t)
574 int entry_cnt = NR_INLINE_DENTRY(inode);
575 int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode);
576 int reserved_size = INLINE_RESERVED_SIZE(inode);
580 d->nr_bitmap = bitmap_size;
582 d->dentry = t + bitmap_size + reserved_size;
583 d->filename = t + bitmap_size + reserved_size +
584 SIZE_OF_DIR_ENTRY * entry_cnt;
588 * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1
589 * as its node offset to distinguish from index node blocks.
590 * But some bits are used to mark the node block.
592 #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \
595 ALLOC_NODE, /* allocate a new node page if needed */
596 LOOKUP_NODE, /* look up a node without readahead */
598 * look up a node with readahead called
603 #define DEFAULT_RETRY_IO_COUNT 8 /* maximum retry read IO count */
605 /* congestion wait timeout value, default: 20ms */
606 #define DEFAULT_IO_TIMEOUT (msecs_to_jiffies(20))
608 /* maximum retry quota flush count */
609 #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8
611 #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */
613 #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */
615 /* for in-memory extent cache entry */
616 #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */
618 /* number of extent info in extent cache we try to shrink */
619 #define EXTENT_CACHE_SHRINK_NUMBER 128
622 struct rb_node rb_node; /* rb node located in rb-tree */
623 unsigned int ofs; /* start offset of the entry */
624 unsigned int len; /* length of the entry */
628 unsigned int fofs; /* start offset in a file */
629 unsigned int len; /* length of the extent */
630 u32 blk; /* start block address of the extent */
634 struct rb_node rb_node; /* rb node located in rb-tree */
635 struct extent_info ei; /* extent info */
636 struct list_head list; /* node in global extent list of sbi */
637 struct extent_tree *et; /* extent tree pointer */
641 nid_t ino; /* inode number */
642 struct rb_root_cached root; /* root of extent info rb-tree */
643 struct extent_node *cached_en; /* recently accessed extent node */
644 struct extent_info largest; /* largested extent info */
645 struct list_head list; /* to be used by sbi->zombie_list */
646 rwlock_t lock; /* protect extent info rb-tree */
647 atomic_t node_cnt; /* # of extent node in rb-tree*/
648 bool largest_updated; /* largest extent updated */
652 * This structure is taken from ext4_map_blocks.
654 * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks().
656 #define F2FS_MAP_NEW (1 << BH_New)
657 #define F2FS_MAP_MAPPED (1 << BH_Mapped)
658 #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten)
659 #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\
662 struct f2fs_map_blocks {
666 unsigned int m_flags;
667 pgoff_t *m_next_pgofs; /* point next possible non-hole pgofs */
668 pgoff_t *m_next_extent; /* point to next possible extent */
670 bool m_may_create; /* indicate it is from write path */
673 /* for flag in get_data_block */
675 F2FS_GET_BLOCK_DEFAULT,
676 F2FS_GET_BLOCK_FIEMAP,
679 F2FS_GET_BLOCK_PRE_DIO,
680 F2FS_GET_BLOCK_PRE_AIO,
681 F2FS_GET_BLOCK_PRECACHE,
685 * i_advise uses FADVISE_XXX_BIT. We can add additional hints later.
687 #define FADVISE_COLD_BIT 0x01
688 #define FADVISE_LOST_PINO_BIT 0x02
689 #define FADVISE_ENCRYPT_BIT 0x04
690 #define FADVISE_ENC_NAME_BIT 0x08
691 #define FADVISE_KEEP_SIZE_BIT 0x10
692 #define FADVISE_HOT_BIT 0x20
693 #define FADVISE_VERITY_BIT 0x40
695 #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT)
697 #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT)
698 #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
699 #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT)
700 #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
701 #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT)
702 #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT)
703 #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT)
704 #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT)
705 #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT)
706 #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT)
707 #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT)
708 #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT)
709 #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT)
710 #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT)
711 #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT)
712 #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT)
713 #define file_is_verity(inode) is_file(inode, FADVISE_VERITY_BIT)
714 #define file_set_verity(inode) set_file(inode, FADVISE_VERITY_BIT)
716 #define DEF_DIR_LEVEL 0
724 /* used for f2fs_inode_info->flags */
726 FI_NEW_INODE, /* indicate newly allocated inode */
727 FI_DIRTY_INODE, /* indicate inode is dirty or not */
728 FI_AUTO_RECOVER, /* indicate inode is recoverable */
729 FI_DIRTY_DIR, /* indicate directory has dirty pages */
730 FI_INC_LINK, /* need to increment i_nlink */
731 FI_ACL_MODE, /* indicate acl mode */
732 FI_NO_ALLOC, /* should not allocate any blocks */
733 FI_FREE_NID, /* free allocated nide */
734 FI_NO_EXTENT, /* not to use the extent cache */
735 FI_INLINE_XATTR, /* used for inline xattr */
736 FI_INLINE_DATA, /* used for inline data*/
737 FI_INLINE_DENTRY, /* used for inline dentry */
738 FI_APPEND_WRITE, /* inode has appended data */
739 FI_UPDATE_WRITE, /* inode has in-place-update data */
740 FI_NEED_IPU, /* used for ipu per file */
741 FI_ATOMIC_FILE, /* indicate atomic file */
742 FI_ATOMIC_COMMIT, /* indicate the state of atomical committing */
743 FI_VOLATILE_FILE, /* indicate volatile file */
744 FI_FIRST_BLOCK_WRITTEN, /* indicate #0 data block was written */
745 FI_DROP_CACHE, /* drop dirty page cache */
746 FI_DATA_EXIST, /* indicate data exists */
747 FI_INLINE_DOTS, /* indicate inline dot dentries */
748 FI_DO_DEFRAG, /* indicate defragment is running */
749 FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */
750 FI_NO_PREALLOC, /* indicate skipped preallocated blocks */
751 FI_HOT_DATA, /* indicate file is hot */
752 FI_EXTRA_ATTR, /* indicate file has extra attribute */
753 FI_PROJ_INHERIT, /* indicate file inherits projectid */
754 FI_PIN_FILE, /* indicate file should not be gced */
755 FI_ATOMIC_REVOKE_REQUEST, /* request to drop atomic data */
756 FI_VERITY_IN_PROGRESS, /* building fs-verity Merkle tree */
757 FI_COMPRESSED_FILE, /* indicate file's data can be compressed */
758 FI_MMAP_FILE, /* indicate file was mmapped */
759 FI_MAX, /* max flag, never be used */
762 struct f2fs_inode_info {
763 struct inode vfs_inode; /* serve a vfs inode */
764 unsigned long i_flags; /* keep an inode flags for ioctl */
765 unsigned char i_advise; /* use to give file attribute hints */
766 unsigned char i_dir_level; /* use for dentry level for large dir */
767 unsigned int i_current_depth; /* only for directory depth */
768 /* for gc failure statistic */
769 unsigned int i_gc_failures[MAX_GC_FAILURE];
770 unsigned int i_pino; /* parent inode number */
771 umode_t i_acl_mode; /* keep file acl mode temporarily */
773 /* Use below internally in f2fs*/
774 unsigned long flags[BITS_TO_LONGS(FI_MAX)]; /* use to pass per-file flags */
775 struct rw_semaphore i_sem; /* protect fi info */
776 atomic_t dirty_pages; /* # of dirty pages */
777 f2fs_hash_t chash; /* hash value of given file name */
778 unsigned int clevel; /* maximum level of given file name */
779 struct task_struct *task; /* lookup and create consistency */
780 struct task_struct *cp_task; /* separate cp/wb IO stats*/
781 nid_t i_xattr_nid; /* node id that contains xattrs */
782 loff_t last_disk_size; /* lastly written file size */
783 spinlock_t i_size_lock; /* protect last_disk_size */
786 struct dquot *i_dquot[MAXQUOTAS];
788 /* quota space reservation, managed internally by quota code */
789 qsize_t i_reserved_quota;
791 struct list_head dirty_list; /* dirty list for dirs and files */
792 struct list_head gdirty_list; /* linked in global dirty list */
793 struct list_head inmem_ilist; /* list for inmem inodes */
794 struct list_head inmem_pages; /* inmemory pages managed by f2fs */
795 struct task_struct *inmem_task; /* store inmemory task */
796 struct mutex inmem_lock; /* lock for inmemory pages */
797 struct extent_tree *extent_tree; /* cached extent_tree entry */
799 /* avoid racing between foreground op and gc */
800 struct rw_semaphore i_gc_rwsem[2];
801 struct rw_semaphore i_mmap_sem;
802 struct rw_semaphore i_xattr_sem; /* avoid racing between reading and changing EAs */
804 int i_extra_isize; /* size of extra space located in i_addr */
805 kprojid_t i_projid; /* id for project quota */
806 int i_inline_xattr_size; /* inline xattr size */
807 struct timespec64 i_crtime; /* inode creation time */
808 struct timespec64 i_disk_time[4];/* inode disk times */
810 /* for file compress */
811 u64 i_compr_blocks; /* # of compressed blocks */
812 unsigned char i_compress_algorithm; /* algorithm type */
813 unsigned char i_log_cluster_size; /* log of cluster size */
814 unsigned int i_cluster_size; /* cluster size */
817 static inline void get_extent_info(struct extent_info *ext,
818 struct f2fs_extent *i_ext)
820 ext->fofs = le32_to_cpu(i_ext->fofs);
821 ext->blk = le32_to_cpu(i_ext->blk);
822 ext->len = le32_to_cpu(i_ext->len);
825 static inline void set_raw_extent(struct extent_info *ext,
826 struct f2fs_extent *i_ext)
828 i_ext->fofs = cpu_to_le32(ext->fofs);
829 i_ext->blk = cpu_to_le32(ext->blk);
830 i_ext->len = cpu_to_le32(ext->len);
833 static inline void set_extent_info(struct extent_info *ei, unsigned int fofs,
834 u32 blk, unsigned int len)
841 static inline bool __is_discard_mergeable(struct discard_info *back,
842 struct discard_info *front, unsigned int max_len)
844 return (back->lstart + back->len == front->lstart) &&
845 (back->len + front->len <= max_len);
848 static inline bool __is_discard_back_mergeable(struct discard_info *cur,
849 struct discard_info *back, unsigned int max_len)
851 return __is_discard_mergeable(back, cur, max_len);
854 static inline bool __is_discard_front_mergeable(struct discard_info *cur,
855 struct discard_info *front, unsigned int max_len)
857 return __is_discard_mergeable(cur, front, max_len);
860 static inline bool __is_extent_mergeable(struct extent_info *back,
861 struct extent_info *front)
863 return (back->fofs + back->len == front->fofs &&
864 back->blk + back->len == front->blk);
867 static inline bool __is_back_mergeable(struct extent_info *cur,
868 struct extent_info *back)
870 return __is_extent_mergeable(back, cur);
873 static inline bool __is_front_mergeable(struct extent_info *cur,
874 struct extent_info *front)
876 return __is_extent_mergeable(cur, front);
879 extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync);
880 static inline void __try_update_largest_extent(struct extent_tree *et,
881 struct extent_node *en)
883 if (en->ei.len > et->largest.len) {
884 et->largest = en->ei;
885 et->largest_updated = true;
890 * For free nid management
893 FREE_NID, /* newly added to free nid list */
894 PREALLOC_NID, /* it is preallocated */
898 struct f2fs_nm_info {
899 block_t nat_blkaddr; /* base disk address of NAT */
900 nid_t max_nid; /* maximum possible node ids */
901 nid_t available_nids; /* # of available node ids */
902 nid_t next_scan_nid; /* the next nid to be scanned */
903 unsigned int ram_thresh; /* control the memory footprint */
904 unsigned int ra_nid_pages; /* # of nid pages to be readaheaded */
905 unsigned int dirty_nats_ratio; /* control dirty nats ratio threshold */
907 /* NAT cache management */
908 struct radix_tree_root nat_root;/* root of the nat entry cache */
909 struct radix_tree_root nat_set_root;/* root of the nat set cache */
910 struct rw_semaphore nat_tree_lock; /* protect nat_tree_lock */
911 struct list_head nat_entries; /* cached nat entry list (clean) */
912 spinlock_t nat_list_lock; /* protect clean nat entry list */
913 unsigned int nat_cnt; /* the # of cached nat entries */
914 unsigned int dirty_nat_cnt; /* total num of nat entries in set */
915 unsigned int nat_blocks; /* # of nat blocks */
917 /* free node ids management */
918 struct radix_tree_root free_nid_root;/* root of the free_nid cache */
919 struct list_head free_nid_list; /* list for free nids excluding preallocated nids */
920 unsigned int nid_cnt[MAX_NID_STATE]; /* the number of free node id */
921 spinlock_t nid_list_lock; /* protect nid lists ops */
922 struct mutex build_lock; /* lock for build free nids */
923 unsigned char **free_nid_bitmap;
924 unsigned char *nat_block_bitmap;
925 unsigned short *free_nid_count; /* free nid count of NAT block */
928 char *nat_bitmap; /* NAT bitmap pointer */
930 unsigned int nat_bits_blocks; /* # of nat bits blocks */
931 unsigned char *nat_bits; /* NAT bits blocks */
932 unsigned char *full_nat_bits; /* full NAT pages */
933 unsigned char *empty_nat_bits; /* empty NAT pages */
934 #ifdef CONFIG_F2FS_CHECK_FS
935 char *nat_bitmap_mir; /* NAT bitmap mirror */
937 int bitmap_size; /* bitmap size */
941 * this structure is used as one of function parameters.
942 * all the information are dedicated to a given direct node block determined
943 * by the data offset in a file.
945 struct dnode_of_data {
946 struct inode *inode; /* vfs inode pointer */
947 struct page *inode_page; /* its inode page, NULL is possible */
948 struct page *node_page; /* cached direct node page */
949 nid_t nid; /* node id of the direct node block */
950 unsigned int ofs_in_node; /* data offset in the node page */
951 bool inode_page_locked; /* inode page is locked or not */
952 bool node_changed; /* is node block changed */
953 char cur_level; /* level of hole node page */
954 char max_level; /* level of current page located */
955 block_t data_blkaddr; /* block address of the node block */
958 static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode,
959 struct page *ipage, struct page *npage, nid_t nid)
961 memset(dn, 0, sizeof(*dn));
963 dn->inode_page = ipage;
964 dn->node_page = npage;
971 * By default, there are 6 active log areas across the whole main area.
972 * When considering hot and cold data separation to reduce cleaning overhead,
973 * we split 3 for data logs and 3 for node logs as hot, warm, and cold types,
975 * In the current design, you should not change the numbers intentionally.
976 * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6
977 * logs individually according to the underlying devices. (default: 6)
978 * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for
979 * data and 8 for node logs.
981 #define NR_CURSEG_DATA_TYPE (3)
982 #define NR_CURSEG_NODE_TYPE (3)
983 #define NR_CURSEG_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE)
986 CURSEG_HOT_DATA = 0, /* directory entry blocks */
987 CURSEG_WARM_DATA, /* data blocks */
988 CURSEG_COLD_DATA, /* multimedia or GCed data blocks */
989 CURSEG_HOT_NODE, /* direct node blocks of directory files */
990 CURSEG_WARM_NODE, /* direct node blocks of normal files */
991 CURSEG_COLD_NODE, /* indirect node blocks */
993 CURSEG_COLD_DATA_PINNED,/* cold data for pinned file */
997 struct completion wait;
998 struct llist_node llnode;
1003 struct flush_cmd_control {
1004 struct task_struct *f2fs_issue_flush; /* flush thread */
1005 wait_queue_head_t flush_wait_queue; /* waiting queue for wake-up */
1006 atomic_t issued_flush; /* # of issued flushes */
1007 atomic_t queued_flush; /* # of queued flushes */
1008 struct llist_head issue_list; /* list for command issue */
1009 struct llist_node *dispatch_list; /* list for command dispatch */
1012 struct f2fs_sm_info {
1013 struct sit_info *sit_info; /* whole segment information */
1014 struct free_segmap_info *free_info; /* free segment information */
1015 struct dirty_seglist_info *dirty_info; /* dirty segment information */
1016 struct curseg_info *curseg_array; /* active segment information */
1018 struct rw_semaphore curseg_lock; /* for preventing curseg change */
1020 block_t seg0_blkaddr; /* block address of 0'th segment */
1021 block_t main_blkaddr; /* start block address of main area */
1022 block_t ssa_blkaddr; /* start block address of SSA area */
1024 unsigned int segment_count; /* total # of segments */
1025 unsigned int main_segments; /* # of segments in main area */
1026 unsigned int reserved_segments; /* # of reserved segments */
1027 unsigned int ovp_segments; /* # of overprovision segments */
1029 /* a threshold to reclaim prefree segments */
1030 unsigned int rec_prefree_segments;
1032 /* for batched trimming */
1033 unsigned int trim_sections; /* # of sections to trim */
1035 struct list_head sit_entry_set; /* sit entry set list */
1037 unsigned int ipu_policy; /* in-place-update policy */
1038 unsigned int min_ipu_util; /* in-place-update threshold */
1039 unsigned int min_fsync_blocks; /* threshold for fsync */
1040 unsigned int min_seq_blocks; /* threshold for sequential blocks */
1041 unsigned int min_hot_blocks; /* threshold for hot block allocation */
1042 unsigned int min_ssr_sections; /* threshold to trigger SSR allocation */
1044 /* for flush command control */
1045 struct flush_cmd_control *fcc_info;
1047 /* for discard command control */
1048 struct discard_cmd_control *dcc_info;
1055 * COUNT_TYPE for monitoring
1057 * f2fs monitors the number of several block types such as on-writeback,
1058 * dirty dentry blocks, dirty node blocks, and dirty meta blocks.
1060 #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA)
1080 * The below are the page types of bios used in submit_bio().
1081 * The available types are:
1082 * DATA User data pages. It operates as async mode.
1083 * NODE Node pages. It operates as async mode.
1084 * META FS metadata pages such as SIT, NAT, CP.
1085 * NR_PAGE_TYPE The number of page types.
1086 * META_FLUSH Make sure the previous pages are written
1087 * with waiting the bio's completion
1088 * ... Only can be used with META.
1090 #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type))
1097 INMEM, /* the below types are used by tracepoints only. */
1106 HOT = 0, /* must be zero for meta bio */
1112 enum need_lock_type {
1118 enum cp_reason_type {
1134 APP_DIRECT_IO, /* app direct write IOs */
1135 APP_BUFFERED_IO, /* app buffered write IOs */
1136 APP_WRITE_IO, /* app write IOs */
1137 APP_MAPPED_IO, /* app mapped IOs */
1138 FS_DATA_IO, /* data IOs from kworker/fsync/reclaimer */
1139 FS_NODE_IO, /* node IOs from kworker/fsync/reclaimer */
1140 FS_META_IO, /* meta IOs from kworker/reclaimer */
1141 FS_GC_DATA_IO, /* data IOs from forground gc */
1142 FS_GC_NODE_IO, /* node IOs from forground gc */
1143 FS_CP_DATA_IO, /* data IOs from checkpoint */
1144 FS_CP_NODE_IO, /* node IOs from checkpoint */
1145 FS_CP_META_IO, /* meta IOs from checkpoint */
1148 APP_DIRECT_READ_IO, /* app direct read IOs */
1149 APP_BUFFERED_READ_IO, /* app buffered read IOs */
1150 APP_READ_IO, /* app read IOs */
1151 APP_MAPPED_READ_IO, /* app mapped read IOs */
1152 FS_DATA_READ_IO, /* data read IOs */
1153 FS_GDATA_READ_IO, /* data read IOs from background gc */
1154 FS_CDATA_READ_IO, /* compressed data read IOs */
1155 FS_NODE_READ_IO, /* node read IOs */
1156 FS_META_READ_IO, /* meta read IOs */
1159 FS_DISCARD, /* discard */
1163 struct f2fs_io_info {
1164 struct f2fs_sb_info *sbi; /* f2fs_sb_info pointer */
1165 nid_t ino; /* inode number */
1166 enum page_type type; /* contains DATA/NODE/META/META_FLUSH */
1167 enum temp_type temp; /* contains HOT/WARM/COLD */
1168 int op; /* contains REQ_OP_ */
1169 int op_flags; /* req_flag_bits */
1170 block_t new_blkaddr; /* new block address to be written */
1171 block_t old_blkaddr; /* old block address before Cow */
1172 struct page *page; /* page to be written */
1173 struct page *encrypted_page; /* encrypted page */
1174 struct page *compressed_page; /* compressed page */
1175 struct list_head list; /* serialize IOs */
1176 bool submitted; /* indicate IO submission */
1177 int need_lock; /* indicate we need to lock cp_rwsem */
1178 bool in_list; /* indicate fio is in io_list */
1179 bool is_por; /* indicate IO is from recovery or not */
1180 bool retry; /* need to reallocate block address */
1181 int compr_blocks; /* # of compressed block addresses */
1182 bool encrypted; /* indicate file is encrypted */
1183 enum iostat_type io_type; /* io type */
1184 struct writeback_control *io_wbc; /* writeback control */
1185 struct bio **bio; /* bio for ipu */
1186 sector_t *last_block; /* last block number in bio */
1187 unsigned char version; /* version of the node */
1192 struct list_head list;
1195 #define is_read_io(rw) ((rw) == READ)
1196 struct f2fs_bio_info {
1197 struct f2fs_sb_info *sbi; /* f2fs superblock */
1198 struct bio *bio; /* bios to merge */
1199 sector_t last_block_in_bio; /* last block number */
1200 struct f2fs_io_info fio; /* store buffered io info. */
1201 struct rw_semaphore io_rwsem; /* blocking op for bio */
1202 spinlock_t io_lock; /* serialize DATA/NODE IOs */
1203 struct list_head io_list; /* track fios */
1204 struct list_head bio_list; /* bio entry list head */
1205 struct rw_semaphore bio_list_lock; /* lock to protect bio entry list */
1208 #define FDEV(i) (sbi->devs[i])
1209 #define RDEV(i) (raw_super->devs[i])
1210 struct f2fs_dev_info {
1211 struct block_device *bdev;
1212 char path[MAX_PATH_LEN];
1213 unsigned int total_segments;
1216 #ifdef CONFIG_BLK_DEV_ZONED
1217 unsigned int nr_blkz; /* Total number of zones */
1218 unsigned long *blkz_seq; /* Bitmap indicating sequential zones */
1223 DIR_INODE, /* for dirty dir inode */
1224 FILE_INODE, /* for dirty regular/symlink inode */
1225 DIRTY_META, /* for all dirtied inode metadata */
1226 ATOMIC_FILE, /* for all atomic files */
1230 /* for inner inode cache management */
1231 struct inode_management {
1232 struct radix_tree_root ino_root; /* ino entry array */
1233 spinlock_t ino_lock; /* for ino entry lock */
1234 struct list_head ino_list; /* inode list head */
1235 unsigned long ino_num; /* number of entries */
1238 /* For s_flag in struct f2fs_sb_info */
1240 SBI_IS_DIRTY, /* dirty flag for checkpoint */
1241 SBI_IS_CLOSE, /* specify unmounting */
1242 SBI_NEED_FSCK, /* need fsck.f2fs to fix */
1243 SBI_POR_DOING, /* recovery is doing or not */
1244 SBI_NEED_SB_WRITE, /* need to recover superblock */
1245 SBI_NEED_CP, /* need to checkpoint */
1246 SBI_IS_SHUTDOWN, /* shutdown by ioctl */
1247 SBI_IS_RECOVERED, /* recovered orphan/data */
1248 SBI_CP_DISABLED, /* CP was disabled last mount */
1249 SBI_CP_DISABLED_QUICK, /* CP was disabled quickly */
1250 SBI_QUOTA_NEED_FLUSH, /* need to flush quota info in CP */
1251 SBI_QUOTA_SKIP_FLUSH, /* skip flushing quota in current CP */
1252 SBI_QUOTA_NEED_REPAIR, /* quota file may be corrupted */
1253 SBI_IS_RESIZEFS, /* resizefs is in process */
1262 UMOUNT_DISCARD_TIMEOUT,
1274 BGGC_MODE_ON, /* background gc is on */
1275 BGGC_MODE_OFF, /* background gc is off */
1277 * background gc is on, migrating blocks
1278 * like foreground gc
1283 FS_MODE_ADAPTIVE, /* use both lfs/ssr allocation */
1284 FS_MODE_LFS, /* use lfs allocation only */
1288 WHINT_MODE_OFF, /* not pass down write hints */
1289 WHINT_MODE_USER, /* try to pass down hints given by users */
1290 WHINT_MODE_FS, /* pass down hints with F2FS policy */
1294 ALLOC_MODE_DEFAULT, /* stay default */
1295 ALLOC_MODE_REUSE, /* reuse segments as much as possible */
1299 FSYNC_MODE_POSIX, /* fsync follows posix semantics */
1300 FSYNC_MODE_STRICT, /* fsync behaves in line with ext4 */
1301 FSYNC_MODE_NOBARRIER, /* fsync behaves nobarrier based on posix */
1305 * this value is set in page as a private data which indicate that
1306 * the page is atomically written, and it is in inmem_pages list.
1308 #define ATOMIC_WRITTEN_PAGE ((unsigned long)-1)
1309 #define DUMMY_WRITTEN_PAGE ((unsigned long)-2)
1311 #define IS_ATOMIC_WRITTEN_PAGE(page) \
1312 (page_private(page) == (unsigned long)ATOMIC_WRITTEN_PAGE)
1313 #define IS_DUMMY_WRITTEN_PAGE(page) \
1314 (page_private(page) == (unsigned long)DUMMY_WRITTEN_PAGE)
1316 #ifdef CONFIG_FS_ENCRYPTION
1317 #define DUMMY_ENCRYPTION_ENABLED(sbi) \
1318 (unlikely(F2FS_OPTION(sbi).dummy_enc_ctx.ctx != NULL))
1320 #define DUMMY_ENCRYPTION_ENABLED(sbi) (0)
1323 /* For compression */
1324 enum compress_algorithm_type {
1332 #define COMPRESS_DATA_RESERVED_SIZE 5
1333 struct compress_data {
1334 __le32 clen; /* compressed data size */
1335 __le32 reserved[COMPRESS_DATA_RESERVED_SIZE]; /* reserved */
1336 u8 cdata[]; /* compressed data */
1339 #define COMPRESS_HEADER_SIZE (sizeof(struct compress_data))
1341 #define F2FS_COMPRESSED_PAGE_MAGIC 0xF5F2C000
1343 /* compress context */
1344 struct compress_ctx {
1345 struct inode *inode; /* inode the context belong to */
1346 pgoff_t cluster_idx; /* cluster index number */
1347 unsigned int cluster_size; /* page count in cluster */
1348 unsigned int log_cluster_size; /* log of cluster size */
1349 struct page **rpages; /* pages store raw data in cluster */
1350 unsigned int nr_rpages; /* total page number in rpages */
1351 struct page **cpages; /* pages store compressed data in cluster */
1352 unsigned int nr_cpages; /* total page number in cpages */
1353 void *rbuf; /* virtual mapped address on rpages */
1354 struct compress_data *cbuf; /* virtual mapped address on cpages */
1355 size_t rlen; /* valid data length in rbuf */
1356 size_t clen; /* valid data length in cbuf */
1357 void *private; /* payload buffer for specified compression algorithm */
1358 void *private2; /* extra payload buffer */
1361 /* compress context for write IO path */
1362 struct compress_io_ctx {
1363 u32 magic; /* magic number to indicate page is compressed */
1364 struct inode *inode; /* inode the context belong to */
1365 struct page **rpages; /* pages store raw data in cluster */
1366 unsigned int nr_rpages; /* total page number in rpages */
1367 refcount_t ref; /* referrence count of raw page */
1370 /* decompress io context for read IO path */
1371 struct decompress_io_ctx {
1372 u32 magic; /* magic number to indicate page is compressed */
1373 struct inode *inode; /* inode the context belong to */
1374 pgoff_t cluster_idx; /* cluster index number */
1375 unsigned int cluster_size; /* page count in cluster */
1376 unsigned int log_cluster_size; /* log of cluster size */
1377 struct page **rpages; /* pages store raw data in cluster */
1378 unsigned int nr_rpages; /* total page number in rpages */
1379 struct page **cpages; /* pages store compressed data in cluster */
1380 unsigned int nr_cpages; /* total page number in cpages */
1381 struct page **tpages; /* temp pages to pad holes in cluster */
1382 void *rbuf; /* virtual mapped address on rpages */
1383 struct compress_data *cbuf; /* virtual mapped address on cpages */
1384 size_t rlen; /* valid data length in rbuf */
1385 size_t clen; /* valid data length in cbuf */
1386 refcount_t ref; /* referrence count of compressed page */
1387 bool failed; /* indicate IO error during decompression */
1388 void *private; /* payload buffer for specified decompression algorithm */
1389 void *private2; /* extra payload buffer */
1392 #define NULL_CLUSTER ((unsigned int)(~0))
1393 #define MIN_COMPRESS_LOG_SIZE 2
1394 #define MAX_COMPRESS_LOG_SIZE 8
1395 #define MAX_COMPRESS_WINDOW_SIZE ((PAGE_SIZE) << MAX_COMPRESS_LOG_SIZE)
1397 struct f2fs_sb_info {
1398 struct super_block *sb; /* pointer to VFS super block */
1399 struct proc_dir_entry *s_proc; /* proc entry */
1400 struct f2fs_super_block *raw_super; /* raw super block pointer */
1401 struct rw_semaphore sb_lock; /* lock for raw super block */
1402 int valid_super_block; /* valid super block no */
1403 unsigned long s_flag; /* flags for sbi */
1404 struct mutex writepages; /* mutex for writepages() */
1405 #ifdef CONFIG_UNICODE
1406 struct unicode_map *s_encoding;
1407 __u16 s_encoding_flags;
1410 #ifdef CONFIG_BLK_DEV_ZONED
1411 unsigned int blocks_per_blkz; /* F2FS blocks per zone */
1412 unsigned int log_blocks_per_blkz; /* log2 F2FS blocks per zone */
1415 /* for node-related operations */
1416 struct f2fs_nm_info *nm_info; /* node manager */
1417 struct inode *node_inode; /* cache node blocks */
1419 /* for segment-related operations */
1420 struct f2fs_sm_info *sm_info; /* segment manager */
1422 /* for bio operations */
1423 struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */
1424 /* keep migration IO order for LFS mode */
1425 struct rw_semaphore io_order_lock;
1426 mempool_t *write_io_dummy; /* Dummy pages */
1428 /* for checkpoint */
1429 struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */
1430 int cur_cp_pack; /* remain current cp pack */
1431 spinlock_t cp_lock; /* for flag in ckpt */
1432 struct inode *meta_inode; /* cache meta blocks */
1433 struct mutex cp_mutex; /* checkpoint procedure lock */
1434 struct rw_semaphore cp_rwsem; /* blocking FS operations */
1435 struct rw_semaphore node_write; /* locking node writes */
1436 struct rw_semaphore node_change; /* locking node change */
1437 wait_queue_head_t cp_wait;
1438 unsigned long last_time[MAX_TIME]; /* to store time in jiffies */
1439 long interval_time[MAX_TIME]; /* to store thresholds */
1441 struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */
1443 spinlock_t fsync_node_lock; /* for node entry lock */
1444 struct list_head fsync_node_list; /* node list head */
1445 unsigned int fsync_seg_id; /* sequence id */
1446 unsigned int fsync_node_num; /* number of node entries */
1448 /* for orphan inode, use 0'th array */
1449 unsigned int max_orphans; /* max orphan inodes */
1451 /* for inode management */
1452 struct list_head inode_list[NR_INODE_TYPE]; /* dirty inode list */
1453 spinlock_t inode_lock[NR_INODE_TYPE]; /* for dirty inode list lock */
1454 struct mutex flush_lock; /* for flush exclusion */
1456 /* for extent tree cache */
1457 struct radix_tree_root extent_tree_root;/* cache extent cache entries */
1458 struct mutex extent_tree_lock; /* locking extent radix tree */
1459 struct list_head extent_list; /* lru list for shrinker */
1460 spinlock_t extent_lock; /* locking extent lru list */
1461 atomic_t total_ext_tree; /* extent tree count */
1462 struct list_head zombie_list; /* extent zombie tree list */
1463 atomic_t total_zombie_tree; /* extent zombie tree count */
1464 atomic_t total_ext_node; /* extent info count */
1466 /* basic filesystem units */
1467 unsigned int log_sectors_per_block; /* log2 sectors per block */
1468 unsigned int log_blocksize; /* log2 block size */
1469 unsigned int blocksize; /* block size */
1470 unsigned int root_ino_num; /* root inode number*/
1471 unsigned int node_ino_num; /* node inode number*/
1472 unsigned int meta_ino_num; /* meta inode number*/
1473 unsigned int log_blocks_per_seg; /* log2 blocks per segment */
1474 unsigned int blocks_per_seg; /* blocks per segment */
1475 unsigned int segs_per_sec; /* segments per section */
1476 unsigned int secs_per_zone; /* sections per zone */
1477 unsigned int total_sections; /* total section count */
1478 unsigned int total_node_count; /* total node block count */
1479 unsigned int total_valid_node_count; /* valid node block count */
1480 loff_t max_file_blocks; /* max block index of file */
1481 int dir_level; /* directory level */
1482 int readdir_ra; /* readahead inode in readdir */
1484 block_t user_block_count; /* # of user blocks */
1485 block_t total_valid_block_count; /* # of valid blocks */
1486 block_t discard_blks; /* discard command candidats */
1487 block_t last_valid_block_count; /* for recovery */
1488 block_t reserved_blocks; /* configurable reserved blocks */
1489 block_t current_reserved_blocks; /* current reserved blocks */
1491 /* Additional tracking for no checkpoint mode */
1492 block_t unusable_block_count; /* # of blocks saved by last cp */
1494 unsigned int nquota_files; /* # of quota sysfile */
1495 struct rw_semaphore quota_sem; /* blocking cp for flags */
1497 /* # of pages, see count_type */
1498 atomic_t nr_pages[NR_COUNT_TYPE];
1499 /* # of allocated blocks */
1500 struct percpu_counter alloc_valid_block_count;
1502 /* writeback control */
1503 atomic_t wb_sync_req[META]; /* count # of WB_SYNC threads */
1505 /* valid inode count */
1506 struct percpu_counter total_valid_inode_count;
1508 struct f2fs_mount_info mount_opt; /* mount options */
1510 /* for cleaning operations */
1511 struct rw_semaphore gc_lock; /*
1512 * semaphore for GC, avoid
1513 * race between GC and GC or CP
1515 struct f2fs_gc_kthread *gc_thread; /* GC thread */
1516 unsigned int cur_victim_sec; /* current victim section num */
1517 unsigned int gc_mode; /* current GC state */
1518 unsigned int next_victim_seg[2]; /* next segment in victim section */
1519 /* for skip statistic */
1520 unsigned int atomic_files; /* # of opened atomic file */
1521 unsigned long long skipped_atomic_files[2]; /* FG_GC and BG_GC */
1522 unsigned long long skipped_gc_rwsem; /* FG_GC only */
1524 /* threshold for gc trials on pinned files */
1525 u64 gc_pin_file_threshold;
1526 struct rw_semaphore pin_sem;
1528 /* maximum # of trials to find a victim segment for SSR and GC */
1529 unsigned int max_victim_search;
1530 /* migration granularity of garbage collection, unit: segment */
1531 unsigned int migration_granularity;
1534 * for stat information.
1535 * one is for the LFS mode, and the other is for the SSR mode.
1537 #ifdef CONFIG_F2FS_STAT_FS
1538 struct f2fs_stat_info *stat_info; /* FS status information */
1539 atomic_t meta_count[META_MAX]; /* # of meta blocks */
1540 unsigned int segment_count[2]; /* # of allocated segments */
1541 unsigned int block_count[2]; /* # of allocated blocks */
1542 atomic_t inplace_count; /* # of inplace update */
1543 atomic64_t total_hit_ext; /* # of lookup extent cache */
1544 atomic64_t read_hit_rbtree; /* # of hit rbtree extent node */
1545 atomic64_t read_hit_largest; /* # of hit largest extent node */
1546 atomic64_t read_hit_cached; /* # of hit cached extent node */
1547 atomic_t inline_xattr; /* # of inline_xattr inodes */
1548 atomic_t inline_inode; /* # of inline_data inodes */
1549 atomic_t inline_dir; /* # of inline_dentry inodes */
1550 atomic_t compr_inode; /* # of compressed inodes */
1551 atomic_t compr_blocks; /* # of compressed blocks */
1552 atomic_t vw_cnt; /* # of volatile writes */
1553 atomic_t max_aw_cnt; /* max # of atomic writes */
1554 atomic_t max_vw_cnt; /* max # of volatile writes */
1555 unsigned int io_skip_bggc; /* skip background gc for in-flight IO */
1556 unsigned int other_skip_bggc; /* skip background gc for other reasons */
1557 unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */
1559 spinlock_t stat_lock; /* lock for stat operations */
1561 /* For app/fs IO statistics */
1562 spinlock_t iostat_lock;
1563 unsigned long long rw_iostat[NR_IO_TYPE];
1564 unsigned long long prev_rw_iostat[NR_IO_TYPE];
1566 unsigned long iostat_next_period;
1567 unsigned int iostat_period_ms;
1569 /* to attach REQ_META|REQ_FUA flags */
1570 unsigned int data_io_flag;
1571 unsigned int node_io_flag;
1573 /* For sysfs suppport */
1574 struct kobject s_kobj;
1575 struct completion s_kobj_unregister;
1577 /* For shrinker support */
1578 struct list_head s_list;
1579 int s_ndevs; /* number of devices */
1580 struct f2fs_dev_info *devs; /* for device list */
1581 unsigned int dirty_device; /* for checkpoint data flush */
1582 spinlock_t dev_lock; /* protect dirty_device */
1583 struct mutex umount_mutex;
1584 unsigned int shrinker_run_no;
1586 /* For write statistics */
1587 u64 sectors_written_start;
1590 /* Reference to checksum algorithm driver via cryptoapi */
1591 struct crypto_shash *s_chksum_driver;
1593 /* Precomputed FS UUID checksum for seeding other checksums */
1594 __u32 s_chksum_seed;
1596 struct workqueue_struct *post_read_wq; /* post read workqueue */
1598 struct kmem_cache *inline_xattr_slab; /* inline xattr entry */
1599 unsigned int inline_xattr_slab_size; /* default inline xattr slab size */
1602 struct f2fs_private_dio {
1603 struct inode *inode;
1605 bio_end_io_t *orig_end_io;
1609 #ifdef CONFIG_F2FS_FAULT_INJECTION
1610 #define f2fs_show_injection_info(sbi, type) \
1611 printk_ratelimited("%sF2FS-fs (%s) : inject %s in %s of %pS\n", \
1612 KERN_INFO, sbi->sb->s_id, \
1613 f2fs_fault_name[type], \
1614 __func__, __builtin_return_address(0))
1615 static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
1617 struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info;
1619 if (!ffi->inject_rate)
1622 if (!IS_FAULT_SET(ffi, type))
1625 atomic_inc(&ffi->inject_ops);
1626 if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) {
1627 atomic_set(&ffi->inject_ops, 0);
1633 #define f2fs_show_injection_info(sbi, type) do { } while (0)
1634 static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
1641 * Test if the mounted volume is a multi-device volume.
1642 * - For a single regular disk volume, sbi->s_ndevs is 0.
1643 * - For a single zoned disk volume, sbi->s_ndevs is 1.
1644 * - For a multi-device volume, sbi->s_ndevs is always 2 or more.
1646 static inline bool f2fs_is_multi_device(struct f2fs_sb_info *sbi)
1648 return sbi->s_ndevs > 1;
1651 /* For write statistics. Suppose sector size is 512 bytes,
1652 * and the return value is in kbytes. s is of struct f2fs_sb_info.
1654 #define BD_PART_WRITTEN(s) \
1655 (((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[STAT_WRITE]) - \
1656 (s)->sectors_written_start) >> 1)
1658 static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type)
1660 unsigned long now = jiffies;
1662 sbi->last_time[type] = now;
1664 /* DISCARD_TIME and GC_TIME are based on REQ_TIME */
1665 if (type == REQ_TIME) {
1666 sbi->last_time[DISCARD_TIME] = now;
1667 sbi->last_time[GC_TIME] = now;
1671 static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type)
1673 unsigned long interval = sbi->interval_time[type] * HZ;
1675 return time_after(jiffies, sbi->last_time[type] + interval);
1678 static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info *sbi,
1681 unsigned long interval = sbi->interval_time[type] * HZ;
1682 unsigned int wait_ms = 0;
1685 delta = (sbi->last_time[type] + interval) - jiffies;
1687 wait_ms = jiffies_to_msecs(delta);
1695 static inline u32 __f2fs_crc32(struct f2fs_sb_info *sbi, u32 crc,
1696 const void *address, unsigned int length)
1699 struct shash_desc shash;
1704 BUG_ON(crypto_shash_descsize(sbi->s_chksum_driver) != sizeof(desc.ctx));
1706 desc.shash.tfm = sbi->s_chksum_driver;
1707 *(u32 *)desc.ctx = crc;
1709 err = crypto_shash_update(&desc.shash, address, length);
1712 return *(u32 *)desc.ctx;
1715 static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address,
1716 unsigned int length)
1718 return __f2fs_crc32(sbi, F2FS_SUPER_MAGIC, address, length);
1721 static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc,
1722 void *buf, size_t buf_size)
1724 return f2fs_crc32(sbi, buf, buf_size) == blk_crc;
1727 static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc,
1728 const void *address, unsigned int length)
1730 return __f2fs_crc32(sbi, crc, address, length);
1733 static inline struct f2fs_inode_info *F2FS_I(struct inode *inode)
1735 return container_of(inode, struct f2fs_inode_info, vfs_inode);
1738 static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb)
1740 return sb->s_fs_info;
1743 static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode)
1745 return F2FS_SB(inode->i_sb);
1748 static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping)
1750 return F2FS_I_SB(mapping->host);
1753 static inline struct f2fs_sb_info *F2FS_P_SB(struct page *page)
1755 return F2FS_M_SB(page_file_mapping(page));
1758 static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi)
1760 return (struct f2fs_super_block *)(sbi->raw_super);
1763 static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi)
1765 return (struct f2fs_checkpoint *)(sbi->ckpt);
1768 static inline struct f2fs_node *F2FS_NODE(struct page *page)
1770 return (struct f2fs_node *)page_address(page);
1773 static inline struct f2fs_inode *F2FS_INODE(struct page *page)
1775 return &((struct f2fs_node *)page_address(page))->i;
1778 static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi)
1780 return (struct f2fs_nm_info *)(sbi->nm_info);
1783 static inline struct f2fs_sm_info *SM_I(struct f2fs_sb_info *sbi)
1785 return (struct f2fs_sm_info *)(sbi->sm_info);
1788 static inline struct sit_info *SIT_I(struct f2fs_sb_info *sbi)
1790 return (struct sit_info *)(SM_I(sbi)->sit_info);
1793 static inline struct free_segmap_info *FREE_I(struct f2fs_sb_info *sbi)
1795 return (struct free_segmap_info *)(SM_I(sbi)->free_info);
1798 static inline struct dirty_seglist_info *DIRTY_I(struct f2fs_sb_info *sbi)
1800 return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info);
1803 static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi)
1805 return sbi->meta_inode->i_mapping;
1808 static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi)
1810 return sbi->node_inode->i_mapping;
1813 static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type)
1815 return test_bit(type, &sbi->s_flag);
1818 static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type)
1820 set_bit(type, &sbi->s_flag);
1823 static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type)
1825 clear_bit(type, &sbi->s_flag);
1828 static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp)
1830 return le64_to_cpu(cp->checkpoint_ver);
1833 static inline unsigned long f2fs_qf_ino(struct super_block *sb, int type)
1835 if (type < F2FS_MAX_QUOTAS)
1836 return le32_to_cpu(F2FS_SB(sb)->raw_super->qf_ino[type]);
1840 static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp)
1842 size_t crc_offset = le32_to_cpu(cp->checksum_offset);
1843 return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset)));
1846 static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
1848 unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags);
1850 return ckpt_flags & f;
1853 static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
1855 return __is_set_ckpt_flags(F2FS_CKPT(sbi), f);
1858 static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
1860 unsigned int ckpt_flags;
1862 ckpt_flags = le32_to_cpu(cp->ckpt_flags);
1864 cp->ckpt_flags = cpu_to_le32(ckpt_flags);
1867 static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
1869 unsigned long flags;
1871 spin_lock_irqsave(&sbi->cp_lock, flags);
1872 __set_ckpt_flags(F2FS_CKPT(sbi), f);
1873 spin_unlock_irqrestore(&sbi->cp_lock, flags);
1876 static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
1878 unsigned int ckpt_flags;
1880 ckpt_flags = le32_to_cpu(cp->ckpt_flags);
1882 cp->ckpt_flags = cpu_to_le32(ckpt_flags);
1885 static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
1887 unsigned long flags;
1889 spin_lock_irqsave(&sbi->cp_lock, flags);
1890 __clear_ckpt_flags(F2FS_CKPT(sbi), f);
1891 spin_unlock_irqrestore(&sbi->cp_lock, flags);
1894 static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock)
1896 unsigned long flags;
1897 unsigned char *nat_bits;
1900 * In order to re-enable nat_bits we need to call fsck.f2fs by
1901 * set_sbi_flag(sbi, SBI_NEED_FSCK). But it may give huge cost,
1902 * so let's rely on regular fsck or unclean shutdown.
1906 spin_lock_irqsave(&sbi->cp_lock, flags);
1907 __clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG);
1908 nat_bits = NM_I(sbi)->nat_bits;
1909 NM_I(sbi)->nat_bits = NULL;
1911 spin_unlock_irqrestore(&sbi->cp_lock, flags);
1916 static inline bool enabled_nat_bits(struct f2fs_sb_info *sbi,
1917 struct cp_control *cpc)
1919 bool set = is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
1921 return (cpc) ? (cpc->reason & CP_UMOUNT) && set : set;
1924 static inline void f2fs_lock_op(struct f2fs_sb_info *sbi)
1926 down_read(&sbi->cp_rwsem);
1929 static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi)
1931 return down_read_trylock(&sbi->cp_rwsem);
1934 static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi)
1936 up_read(&sbi->cp_rwsem);
1939 static inline void f2fs_lock_all(struct f2fs_sb_info *sbi)
1941 down_write(&sbi->cp_rwsem);
1944 static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi)
1946 up_write(&sbi->cp_rwsem);
1949 static inline int __get_cp_reason(struct f2fs_sb_info *sbi)
1951 int reason = CP_SYNC;
1953 if (test_opt(sbi, FASTBOOT))
1954 reason = CP_FASTBOOT;
1955 if (is_sbi_flag_set(sbi, SBI_IS_CLOSE))
1960 static inline bool __remain_node_summaries(int reason)
1962 return (reason & (CP_UMOUNT | CP_FASTBOOT));
1965 static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi)
1967 return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) ||
1968 is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG));
1972 * Check whether the inode has blocks or not
1974 static inline int F2FS_HAS_BLOCKS(struct inode *inode)
1976 block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0;
1978 return (inode->i_blocks >> F2FS_LOG_SECTORS_PER_BLOCK) > xattr_block;
1981 static inline bool f2fs_has_xattr_block(unsigned int ofs)
1983 return ofs == XATTR_NODE_OFFSET;
1986 static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi,
1987 struct inode *inode, bool cap)
1991 if (!test_opt(sbi, RESERVE_ROOT))
1993 if (IS_NOQUOTA(inode))
1995 if (uid_eq(F2FS_OPTION(sbi).s_resuid, current_fsuid()))
1997 if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) &&
1998 in_group_p(F2FS_OPTION(sbi).s_resgid))
2000 if (cap && capable(CAP_SYS_RESOURCE))
2005 static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool);
2006 static inline int inc_valid_block_count(struct f2fs_sb_info *sbi,
2007 struct inode *inode, blkcnt_t *count)
2009 blkcnt_t diff = 0, release = 0;
2010 block_t avail_user_block_count;
2013 ret = dquot_reserve_block(inode, *count);
2017 if (time_to_inject(sbi, FAULT_BLOCK)) {
2018 f2fs_show_injection_info(sbi, FAULT_BLOCK);
2024 * let's increase this in prior to actual block count change in order
2025 * for f2fs_sync_file to avoid data races when deciding checkpoint.
2027 percpu_counter_add(&sbi->alloc_valid_block_count, (*count));
2029 spin_lock(&sbi->stat_lock);
2030 sbi->total_valid_block_count += (block_t)(*count);
2031 avail_user_block_count = sbi->user_block_count -
2032 sbi->current_reserved_blocks;
2034 if (!__allow_reserved_blocks(sbi, inode, true))
2035 avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks;
2036 if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
2037 if (avail_user_block_count > sbi->unusable_block_count)
2038 avail_user_block_count -= sbi->unusable_block_count;
2040 avail_user_block_count = 0;
2042 if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) {
2043 diff = sbi->total_valid_block_count - avail_user_block_count;
2048 sbi->total_valid_block_count -= diff;
2050 spin_unlock(&sbi->stat_lock);
2054 spin_unlock(&sbi->stat_lock);
2056 if (unlikely(release)) {
2057 percpu_counter_sub(&sbi->alloc_valid_block_count, release);
2058 dquot_release_reservation_block(inode, release);
2060 f2fs_i_blocks_write(inode, *count, true, true);
2064 percpu_counter_sub(&sbi->alloc_valid_block_count, release);
2066 dquot_release_reservation_block(inode, release);
2071 void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...);
2073 #define f2fs_err(sbi, fmt, ...) \
2074 f2fs_printk(sbi, KERN_ERR fmt, ##__VA_ARGS__)
2075 #define f2fs_warn(sbi, fmt, ...) \
2076 f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__)
2077 #define f2fs_notice(sbi, fmt, ...) \
2078 f2fs_printk(sbi, KERN_NOTICE fmt, ##__VA_ARGS__)
2079 #define f2fs_info(sbi, fmt, ...) \
2080 f2fs_printk(sbi, KERN_INFO fmt, ##__VA_ARGS__)
2081 #define f2fs_debug(sbi, fmt, ...) \
2082 f2fs_printk(sbi, KERN_DEBUG fmt, ##__VA_ARGS__)
2084 static inline void dec_valid_block_count(struct f2fs_sb_info *sbi,
2085 struct inode *inode,
2088 blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK;
2090 spin_lock(&sbi->stat_lock);
2091 f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count);
2092 sbi->total_valid_block_count -= (block_t)count;
2093 if (sbi->reserved_blocks &&
2094 sbi->current_reserved_blocks < sbi->reserved_blocks)
2095 sbi->current_reserved_blocks = min(sbi->reserved_blocks,
2096 sbi->current_reserved_blocks + count);
2097 spin_unlock(&sbi->stat_lock);
2098 if (unlikely(inode->i_blocks < sectors)) {
2099 f2fs_warn(sbi, "Inconsistent i_blocks, ino:%lu, iblocks:%llu, sectors:%llu",
2101 (unsigned long long)inode->i_blocks,
2102 (unsigned long long)sectors);
2103 set_sbi_flag(sbi, SBI_NEED_FSCK);
2106 f2fs_i_blocks_write(inode, count, false, true);
2109 static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type)
2111 atomic_inc(&sbi->nr_pages[count_type]);
2113 if (count_type == F2FS_DIRTY_DENTS ||
2114 count_type == F2FS_DIRTY_NODES ||
2115 count_type == F2FS_DIRTY_META ||
2116 count_type == F2FS_DIRTY_QDATA ||
2117 count_type == F2FS_DIRTY_IMETA)
2118 set_sbi_flag(sbi, SBI_IS_DIRTY);
2121 static inline void inode_inc_dirty_pages(struct inode *inode)
2123 atomic_inc(&F2FS_I(inode)->dirty_pages);
2124 inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?
2125 F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);
2126 if (IS_NOQUOTA(inode))
2127 inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA);
2130 static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type)
2132 atomic_dec(&sbi->nr_pages[count_type]);
2135 static inline void inode_dec_dirty_pages(struct inode *inode)
2137 if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) &&
2138 !S_ISLNK(inode->i_mode))
2141 atomic_dec(&F2FS_I(inode)->dirty_pages);
2142 dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?
2143 F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);
2144 if (IS_NOQUOTA(inode))
2145 dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA);
2148 static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type)
2150 return atomic_read(&sbi->nr_pages[count_type]);
2153 static inline int get_dirty_pages(struct inode *inode)
2155 return atomic_read(&F2FS_I(inode)->dirty_pages);
2158 static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type)
2160 unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg;
2161 unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >>
2162 sbi->log_blocks_per_seg;
2164 return segs / sbi->segs_per_sec;
2167 static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi)
2169 return sbi->total_valid_block_count;
2172 static inline block_t discard_blocks(struct f2fs_sb_info *sbi)
2174 return sbi->discard_blks;
2177 static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag)
2179 struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
2181 /* return NAT or SIT bitmap */
2182 if (flag == NAT_BITMAP)
2183 return le32_to_cpu(ckpt->nat_ver_bitmap_bytesize);
2184 else if (flag == SIT_BITMAP)
2185 return le32_to_cpu(ckpt->sit_ver_bitmap_bytesize);
2190 static inline block_t __cp_payload(struct f2fs_sb_info *sbi)
2192 return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload);
2195 static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag)
2197 struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
2200 if (is_set_ckpt_flags(sbi, CP_LARGE_NAT_BITMAP_FLAG)) {
2201 offset = (flag == SIT_BITMAP) ?
2202 le32_to_cpu(ckpt->nat_ver_bitmap_bytesize) : 0;
2204 * if large_nat_bitmap feature is enabled, leave checksum
2205 * protection for all nat/sit bitmaps.
2207 return &ckpt->sit_nat_version_bitmap + offset + sizeof(__le32);
2210 if (__cp_payload(sbi) > 0) {
2211 if (flag == NAT_BITMAP)
2212 return &ckpt->sit_nat_version_bitmap;
2214 return (unsigned char *)ckpt + F2FS_BLKSIZE;
2216 offset = (flag == NAT_BITMAP) ?
2217 le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0;
2218 return &ckpt->sit_nat_version_bitmap + offset;
2222 static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi)
2224 block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);
2226 if (sbi->cur_cp_pack == 2)
2227 start_addr += sbi->blocks_per_seg;
2231 static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi)
2233 block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);
2235 if (sbi->cur_cp_pack == 1)
2236 start_addr += sbi->blocks_per_seg;
2240 static inline void __set_cp_next_pack(struct f2fs_sb_info *sbi)
2242 sbi->cur_cp_pack = (sbi->cur_cp_pack == 1) ? 2 : 1;
2245 static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi)
2247 return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum);
2250 static inline int inc_valid_node_count(struct f2fs_sb_info *sbi,
2251 struct inode *inode, bool is_inode)
2253 block_t valid_block_count;
2254 unsigned int valid_node_count, user_block_count;
2259 err = dquot_alloc_inode(inode);
2264 err = dquot_reserve_block(inode, 1);
2269 if (time_to_inject(sbi, FAULT_BLOCK)) {
2270 f2fs_show_injection_info(sbi, FAULT_BLOCK);
2274 spin_lock(&sbi->stat_lock);
2276 valid_block_count = sbi->total_valid_block_count +
2277 sbi->current_reserved_blocks + 1;
2279 if (!__allow_reserved_blocks(sbi, inode, false))
2280 valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks;
2281 user_block_count = sbi->user_block_count;
2282 if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
2283 user_block_count -= sbi->unusable_block_count;
2285 if (unlikely(valid_block_count > user_block_count)) {
2286 spin_unlock(&sbi->stat_lock);
2290 valid_node_count = sbi->total_valid_node_count + 1;
2291 if (unlikely(valid_node_count > sbi->total_node_count)) {
2292 spin_unlock(&sbi->stat_lock);
2296 sbi->total_valid_node_count++;
2297 sbi->total_valid_block_count++;
2298 spin_unlock(&sbi->stat_lock);
2302 f2fs_mark_inode_dirty_sync(inode, true);
2304 f2fs_i_blocks_write(inode, 1, true, true);
2307 percpu_counter_inc(&sbi->alloc_valid_block_count);
2313 dquot_free_inode(inode);
2315 dquot_release_reservation_block(inode, 1);
2320 static inline void dec_valid_node_count(struct f2fs_sb_info *sbi,
2321 struct inode *inode, bool is_inode)
2323 spin_lock(&sbi->stat_lock);
2325 f2fs_bug_on(sbi, !sbi->total_valid_block_count);
2326 f2fs_bug_on(sbi, !sbi->total_valid_node_count);
2328 sbi->total_valid_node_count--;
2329 sbi->total_valid_block_count--;
2330 if (sbi->reserved_blocks &&
2331 sbi->current_reserved_blocks < sbi->reserved_blocks)
2332 sbi->current_reserved_blocks++;
2334 spin_unlock(&sbi->stat_lock);
2337 dquot_free_inode(inode);
2339 if (unlikely(inode->i_blocks == 0)) {
2340 f2fs_warn(sbi, "dec_valid_node_count: inconsistent i_blocks, ino:%lu, iblocks:%llu",
2342 (unsigned long long)inode->i_blocks);
2343 set_sbi_flag(sbi, SBI_NEED_FSCK);
2346 f2fs_i_blocks_write(inode, 1, false, true);
2350 static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi)
2352 return sbi->total_valid_node_count;
2355 static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi)
2357 percpu_counter_inc(&sbi->total_valid_inode_count);
2360 static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi)
2362 percpu_counter_dec(&sbi->total_valid_inode_count);
2365 static inline s64 valid_inode_count(struct f2fs_sb_info *sbi)
2367 return percpu_counter_sum_positive(&sbi->total_valid_inode_count);
2370 static inline struct page *f2fs_grab_cache_page(struct address_space *mapping,
2371 pgoff_t index, bool for_write)
2375 if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION)) {
2377 page = find_get_page_flags(mapping, index,
2378 FGP_LOCK | FGP_ACCESSED);
2380 page = find_lock_page(mapping, index);
2384 if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) {
2385 f2fs_show_injection_info(F2FS_M_SB(mapping),
2392 return grab_cache_page(mapping, index);
2393 return grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS);
2396 static inline struct page *f2fs_pagecache_get_page(
2397 struct address_space *mapping, pgoff_t index,
2398 int fgp_flags, gfp_t gfp_mask)
2400 if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET)) {
2401 f2fs_show_injection_info(F2FS_M_SB(mapping), FAULT_PAGE_GET);
2405 return pagecache_get_page(mapping, index, fgp_flags, gfp_mask);
2408 static inline void f2fs_copy_page(struct page *src, struct page *dst)
2410 char *src_kaddr = kmap(src);
2411 char *dst_kaddr = kmap(dst);
2413 memcpy(dst_kaddr, src_kaddr, PAGE_SIZE);
2418 static inline void f2fs_put_page(struct page *page, int unlock)
2424 f2fs_bug_on(F2FS_P_SB(page), !PageLocked(page));
2430 static inline void f2fs_put_dnode(struct dnode_of_data *dn)
2433 f2fs_put_page(dn->node_page, 1);
2434 if (dn->inode_page && dn->node_page != dn->inode_page)
2435 f2fs_put_page(dn->inode_page, 0);
2436 dn->node_page = NULL;
2437 dn->inode_page = NULL;
2440 static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name,
2443 return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL);
2446 static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep,
2451 entry = kmem_cache_alloc(cachep, flags);
2453 entry = kmem_cache_alloc(cachep, flags | __GFP_NOFAIL);
2457 static inline bool is_idle(struct f2fs_sb_info *sbi, int type)
2459 if (sbi->gc_mode == GC_URGENT)
2462 if (get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_RD_NODE) ||
2463 get_pages(sbi, F2FS_RD_META) || get_pages(sbi, F2FS_WB_DATA) ||
2464 get_pages(sbi, F2FS_WB_CP_DATA) ||
2465 get_pages(sbi, F2FS_DIO_READ) ||
2466 get_pages(sbi, F2FS_DIO_WRITE))
2469 if (type != DISCARD_TIME && SM_I(sbi) && SM_I(sbi)->dcc_info &&
2470 atomic_read(&SM_I(sbi)->dcc_info->queued_discard))
2473 if (SM_I(sbi) && SM_I(sbi)->fcc_info &&
2474 atomic_read(&SM_I(sbi)->fcc_info->queued_flush))
2477 return f2fs_time_over(sbi, type);
2480 static inline void f2fs_radix_tree_insert(struct radix_tree_root *root,
2481 unsigned long index, void *item)
2483 while (radix_tree_insert(root, index, item))
2487 #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino)
2489 static inline bool IS_INODE(struct page *page)
2491 struct f2fs_node *p = F2FS_NODE(page);
2493 return RAW_IS_INODE(p);
2496 static inline int offset_in_addr(struct f2fs_inode *i)
2498 return (i->i_inline & F2FS_EXTRA_ATTR) ?
2499 (le16_to_cpu(i->i_extra_isize) / sizeof(__le32)) : 0;
2502 static inline __le32 *blkaddr_in_node(struct f2fs_node *node)
2504 return RAW_IS_INODE(node) ? node->i.i_addr : node->dn.addr;
2507 static inline int f2fs_has_extra_attr(struct inode *inode);
2508 static inline block_t data_blkaddr(struct inode *inode,
2509 struct page *node_page, unsigned int offset)
2511 struct f2fs_node *raw_node;
2514 bool is_inode = IS_INODE(node_page);
2516 raw_node = F2FS_NODE(node_page);
2520 /* from GC path only */
2521 base = offset_in_addr(&raw_node->i);
2522 else if (f2fs_has_extra_attr(inode))
2523 base = get_extra_isize(inode);
2526 addr_array = blkaddr_in_node(raw_node);
2527 return le32_to_cpu(addr_array[base + offset]);
2530 static inline block_t f2fs_data_blkaddr(struct dnode_of_data *dn)
2532 return data_blkaddr(dn->inode, dn->node_page, dn->ofs_in_node);
2535 static inline int f2fs_test_bit(unsigned int nr, char *addr)
2540 mask = 1 << (7 - (nr & 0x07));
2541 return mask & *addr;
2544 static inline void f2fs_set_bit(unsigned int nr, char *addr)
2549 mask = 1 << (7 - (nr & 0x07));
2553 static inline void f2fs_clear_bit(unsigned int nr, char *addr)
2558 mask = 1 << (7 - (nr & 0x07));
2562 static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr)
2568 mask = 1 << (7 - (nr & 0x07));
2574 static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr)
2580 mask = 1 << (7 - (nr & 0x07));
2586 static inline void f2fs_change_bit(unsigned int nr, char *addr)
2591 mask = 1 << (7 - (nr & 0x07));
2596 * On-disk inode flags (f2fs_inode::i_flags)
2598 #define F2FS_COMPR_FL 0x00000004 /* Compress file */
2599 #define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */
2600 #define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */
2601 #define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */
2602 #define F2FS_NODUMP_FL 0x00000040 /* do not dump file */
2603 #define F2FS_NOATIME_FL 0x00000080 /* do not update atime */
2604 #define F2FS_NOCOMP_FL 0x00000400 /* Don't compress */
2605 #define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */
2606 #define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
2607 #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
2608 #define F2FS_CASEFOLD_FL 0x40000000 /* Casefolded file */
2610 /* Flags that should be inherited by new inodes from their parent. */
2611 #define F2FS_FL_INHERITED (F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL | \
2612 F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
2613 F2FS_CASEFOLD_FL | F2FS_COMPR_FL | F2FS_NOCOMP_FL)
2615 /* Flags that are appropriate for regular files (all but dir-specific ones). */
2616 #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
2619 /* Flags that are appropriate for non-directories/regular files. */
2620 #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL)
2622 static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags)
2626 else if (S_ISREG(mode))
2627 return flags & F2FS_REG_FLMASK;
2629 return flags & F2FS_OTHER_FLMASK;
2632 static inline void __mark_inode_dirty_flag(struct inode *inode,
2636 case FI_INLINE_XATTR:
2637 case FI_INLINE_DATA:
2638 case FI_INLINE_DENTRY:
2644 case FI_INLINE_DOTS:
2646 f2fs_mark_inode_dirty_sync(inode, true);
2650 static inline void set_inode_flag(struct inode *inode, int flag)
2652 test_and_set_bit(flag, F2FS_I(inode)->flags);
2653 __mark_inode_dirty_flag(inode, flag, true);
2656 static inline int is_inode_flag_set(struct inode *inode, int flag)
2658 return test_bit(flag, F2FS_I(inode)->flags);
2661 static inline void clear_inode_flag(struct inode *inode, int flag)
2663 test_and_clear_bit(flag, F2FS_I(inode)->flags);
2664 __mark_inode_dirty_flag(inode, flag, false);
2667 static inline bool f2fs_verity_in_progress(struct inode *inode)
2669 return IS_ENABLED(CONFIG_FS_VERITY) &&
2670 is_inode_flag_set(inode, FI_VERITY_IN_PROGRESS);
2673 static inline void set_acl_inode(struct inode *inode, umode_t mode)
2675 F2FS_I(inode)->i_acl_mode = mode;
2676 set_inode_flag(inode, FI_ACL_MODE);
2677 f2fs_mark_inode_dirty_sync(inode, false);
2680 static inline void f2fs_i_links_write(struct inode *inode, bool inc)
2686 f2fs_mark_inode_dirty_sync(inode, true);
2689 static inline void f2fs_i_blocks_write(struct inode *inode,
2690 block_t diff, bool add, bool claim)
2692 bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE);
2693 bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER);
2695 /* add = 1, claim = 1 should be dquot_reserve_block in pair */
2698 dquot_claim_block(inode, diff);
2700 dquot_alloc_block_nofail(inode, diff);
2702 dquot_free_block(inode, diff);
2705 f2fs_mark_inode_dirty_sync(inode, true);
2706 if (clean || recover)
2707 set_inode_flag(inode, FI_AUTO_RECOVER);
2710 static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size)
2712 bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE);
2713 bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER);
2715 if (i_size_read(inode) == i_size)
2718 i_size_write(inode, i_size);
2719 f2fs_mark_inode_dirty_sync(inode, true);
2720 if (clean || recover)
2721 set_inode_flag(inode, FI_AUTO_RECOVER);
2724 static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth)
2726 F2FS_I(inode)->i_current_depth = depth;
2727 f2fs_mark_inode_dirty_sync(inode, true);
2730 static inline void f2fs_i_gc_failures_write(struct inode *inode,
2733 F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN] = count;
2734 f2fs_mark_inode_dirty_sync(inode, true);
2737 static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid)
2739 F2FS_I(inode)->i_xattr_nid = xnid;
2740 f2fs_mark_inode_dirty_sync(inode, true);
2743 static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino)
2745 F2FS_I(inode)->i_pino = pino;
2746 f2fs_mark_inode_dirty_sync(inode, true);
2749 static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri)
2751 struct f2fs_inode_info *fi = F2FS_I(inode);
2753 if (ri->i_inline & F2FS_INLINE_XATTR)
2754 set_bit(FI_INLINE_XATTR, fi->flags);
2755 if (ri->i_inline & F2FS_INLINE_DATA)
2756 set_bit(FI_INLINE_DATA, fi->flags);
2757 if (ri->i_inline & F2FS_INLINE_DENTRY)
2758 set_bit(FI_INLINE_DENTRY, fi->flags);
2759 if (ri->i_inline & F2FS_DATA_EXIST)
2760 set_bit(FI_DATA_EXIST, fi->flags);
2761 if (ri->i_inline & F2FS_INLINE_DOTS)
2762 set_bit(FI_INLINE_DOTS, fi->flags);
2763 if (ri->i_inline & F2FS_EXTRA_ATTR)
2764 set_bit(FI_EXTRA_ATTR, fi->flags);
2765 if (ri->i_inline & F2FS_PIN_FILE)
2766 set_bit(FI_PIN_FILE, fi->flags);
2769 static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri)
2773 if (is_inode_flag_set(inode, FI_INLINE_XATTR))
2774 ri->i_inline |= F2FS_INLINE_XATTR;
2775 if (is_inode_flag_set(inode, FI_INLINE_DATA))
2776 ri->i_inline |= F2FS_INLINE_DATA;
2777 if (is_inode_flag_set(inode, FI_INLINE_DENTRY))
2778 ri->i_inline |= F2FS_INLINE_DENTRY;
2779 if (is_inode_flag_set(inode, FI_DATA_EXIST))
2780 ri->i_inline |= F2FS_DATA_EXIST;
2781 if (is_inode_flag_set(inode, FI_INLINE_DOTS))
2782 ri->i_inline |= F2FS_INLINE_DOTS;
2783 if (is_inode_flag_set(inode, FI_EXTRA_ATTR))
2784 ri->i_inline |= F2FS_EXTRA_ATTR;
2785 if (is_inode_flag_set(inode, FI_PIN_FILE))
2786 ri->i_inline |= F2FS_PIN_FILE;
2789 static inline int f2fs_has_extra_attr(struct inode *inode)
2791 return is_inode_flag_set(inode, FI_EXTRA_ATTR);
2794 static inline int f2fs_has_inline_xattr(struct inode *inode)
2796 return is_inode_flag_set(inode, FI_INLINE_XATTR);
2799 static inline int f2fs_compressed_file(struct inode *inode)
2801 return S_ISREG(inode->i_mode) &&
2802 is_inode_flag_set(inode, FI_COMPRESSED_FILE);
2805 static inline unsigned int addrs_per_inode(struct inode *inode)
2807 unsigned int addrs = CUR_ADDRS_PER_INODE(inode) -
2808 get_inline_xattr_addrs(inode);
2810 if (!f2fs_compressed_file(inode))
2812 return ALIGN_DOWN(addrs, F2FS_I(inode)->i_cluster_size);
2815 static inline unsigned int addrs_per_block(struct inode *inode)
2817 if (!f2fs_compressed_file(inode))
2818 return DEF_ADDRS_PER_BLOCK;
2819 return ALIGN_DOWN(DEF_ADDRS_PER_BLOCK, F2FS_I(inode)->i_cluster_size);
2822 static inline void *inline_xattr_addr(struct inode *inode, struct page *page)
2824 struct f2fs_inode *ri = F2FS_INODE(page);
2826 return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE -
2827 get_inline_xattr_addrs(inode)]);
2830 static inline int inline_xattr_size(struct inode *inode)
2832 if (f2fs_has_inline_xattr(inode))
2833 return get_inline_xattr_addrs(inode) * sizeof(__le32);
2837 static inline int f2fs_has_inline_data(struct inode *inode)
2839 return is_inode_flag_set(inode, FI_INLINE_DATA);
2842 static inline int f2fs_exist_data(struct inode *inode)
2844 return is_inode_flag_set(inode, FI_DATA_EXIST);
2847 static inline int f2fs_has_inline_dots(struct inode *inode)
2849 return is_inode_flag_set(inode, FI_INLINE_DOTS);
2852 static inline int f2fs_is_mmap_file(struct inode *inode)
2854 return is_inode_flag_set(inode, FI_MMAP_FILE);
2857 static inline bool f2fs_is_pinned_file(struct inode *inode)
2859 return is_inode_flag_set(inode, FI_PIN_FILE);
2862 static inline bool f2fs_is_atomic_file(struct inode *inode)
2864 return is_inode_flag_set(inode, FI_ATOMIC_FILE);
2867 static inline bool f2fs_is_commit_atomic_write(struct inode *inode)
2869 return is_inode_flag_set(inode, FI_ATOMIC_COMMIT);
2872 static inline bool f2fs_is_volatile_file(struct inode *inode)
2874 return is_inode_flag_set(inode, FI_VOLATILE_FILE);
2877 static inline bool f2fs_is_first_block_written(struct inode *inode)
2879 return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN);
2882 static inline bool f2fs_is_drop_cache(struct inode *inode)
2884 return is_inode_flag_set(inode, FI_DROP_CACHE);
2887 static inline void *inline_data_addr(struct inode *inode, struct page *page)
2889 struct f2fs_inode *ri = F2FS_INODE(page);
2890 int extra_size = get_extra_isize(inode);
2892 return (void *)&(ri->i_addr[extra_size + DEF_INLINE_RESERVED_SIZE]);
2895 static inline int f2fs_has_inline_dentry(struct inode *inode)
2897 return is_inode_flag_set(inode, FI_INLINE_DENTRY);
2900 static inline int is_file(struct inode *inode, int type)
2902 return F2FS_I(inode)->i_advise & type;
2905 static inline void set_file(struct inode *inode, int type)
2907 F2FS_I(inode)->i_advise |= type;
2908 f2fs_mark_inode_dirty_sync(inode, true);
2911 static inline void clear_file(struct inode *inode, int type)
2913 F2FS_I(inode)->i_advise &= ~type;
2914 f2fs_mark_inode_dirty_sync(inode, true);
2917 static inline bool f2fs_is_time_consistent(struct inode *inode)
2919 if (!timespec64_equal(F2FS_I(inode)->i_disk_time, &inode->i_atime))
2921 if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 1, &inode->i_ctime))
2923 if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 2, &inode->i_mtime))
2925 if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 3,
2926 &F2FS_I(inode)->i_crtime))
2931 static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync)
2936 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
2938 spin_lock(&sbi->inode_lock[DIRTY_META]);
2939 ret = list_empty(&F2FS_I(inode)->gdirty_list);
2940 spin_unlock(&sbi->inode_lock[DIRTY_META]);
2943 if (!is_inode_flag_set(inode, FI_AUTO_RECOVER) ||
2944 file_keep_isize(inode) ||
2945 i_size_read(inode) & ~PAGE_MASK)
2948 if (!f2fs_is_time_consistent(inode))
2951 spin_lock(&F2FS_I(inode)->i_size_lock);
2952 ret = F2FS_I(inode)->last_disk_size == i_size_read(inode);
2953 spin_unlock(&F2FS_I(inode)->i_size_lock);
2958 static inline bool f2fs_readonly(struct super_block *sb)
2960 return sb_rdonly(sb);
2963 static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi)
2965 return is_set_ckpt_flags(sbi, CP_ERROR_FLAG);
2968 static inline bool is_dot_dotdot(const u8 *name, size_t len)
2970 if (len == 1 && name[0] == '.')
2973 if (len == 2 && name[0] == '.' && name[1] == '.')
2979 static inline bool f2fs_may_extent_tree(struct inode *inode)
2981 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
2983 if (!test_opt(sbi, EXTENT_CACHE) ||
2984 is_inode_flag_set(inode, FI_NO_EXTENT) ||
2985 is_inode_flag_set(inode, FI_COMPRESSED_FILE))
2989 * for recovered files during mount do not create extents
2990 * if shrinker is not registered.
2992 if (list_empty(&sbi->s_list))
2995 return S_ISREG(inode->i_mode);
2998 static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi,
2999 size_t size, gfp_t flags)
3001 if (time_to_inject(sbi, FAULT_KMALLOC)) {
3002 f2fs_show_injection_info(sbi, FAULT_KMALLOC);
3006 return kmalloc(size, flags);
3009 static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi,
3010 size_t size, gfp_t flags)
3012 return f2fs_kmalloc(sbi, size, flags | __GFP_ZERO);
3015 static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi,
3016 size_t size, gfp_t flags)
3018 if (time_to_inject(sbi, FAULT_KVMALLOC)) {
3019 f2fs_show_injection_info(sbi, FAULT_KVMALLOC);
3023 return kvmalloc(size, flags);
3026 static inline void *f2fs_kvzalloc(struct f2fs_sb_info *sbi,
3027 size_t size, gfp_t flags)
3029 return f2fs_kvmalloc(sbi, size, flags | __GFP_ZERO);
3032 static inline int get_extra_isize(struct inode *inode)
3034 return F2FS_I(inode)->i_extra_isize / sizeof(__le32);
3037 static inline int get_inline_xattr_addrs(struct inode *inode)
3039 return F2FS_I(inode)->i_inline_xattr_size;
3042 #define f2fs_get_inode_mode(i) \
3043 ((is_inode_flag_set(i, FI_ACL_MODE)) ? \
3044 (F2FS_I(i)->i_acl_mode) : ((i)->i_mode))
3046 #define F2FS_TOTAL_EXTRA_ATTR_SIZE \
3047 (offsetof(struct f2fs_inode, i_extra_end) - \
3048 offsetof(struct f2fs_inode, i_extra_isize)) \
3050 #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr))
3051 #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \
3052 ((offsetof(typeof(*(f2fs_inode)), field) + \
3053 sizeof((f2fs_inode)->field)) \
3054 <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \
3056 #define DEFAULT_IOSTAT_PERIOD_MS 3000
3057 #define MIN_IOSTAT_PERIOD_MS 100
3058 /* maximum period of iostat tracing is 1 day */
3059 #define MAX_IOSTAT_PERIOD_MS 8640000
3061 static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi)
3065 spin_lock(&sbi->iostat_lock);
3066 for (i = 0; i < NR_IO_TYPE; i++) {
3067 sbi->rw_iostat[i] = 0;
3068 sbi->prev_rw_iostat[i] = 0;
3070 spin_unlock(&sbi->iostat_lock);
3073 extern void f2fs_record_iostat(struct f2fs_sb_info *sbi);
3075 static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi,
3076 enum iostat_type type, unsigned long long io_bytes)
3078 if (!sbi->iostat_enable)
3080 spin_lock(&sbi->iostat_lock);
3081 sbi->rw_iostat[type] += io_bytes;
3083 if (type == APP_WRITE_IO || type == APP_DIRECT_IO)
3084 sbi->rw_iostat[APP_BUFFERED_IO] =
3085 sbi->rw_iostat[APP_WRITE_IO] -
3086 sbi->rw_iostat[APP_DIRECT_IO];
3088 if (type == APP_READ_IO || type == APP_DIRECT_READ_IO)
3089 sbi->rw_iostat[APP_BUFFERED_READ_IO] =
3090 sbi->rw_iostat[APP_READ_IO] -
3091 sbi->rw_iostat[APP_DIRECT_READ_IO];
3092 spin_unlock(&sbi->iostat_lock);
3094 f2fs_record_iostat(sbi);
3097 #define __is_large_section(sbi) ((sbi)->segs_per_sec > 1)
3099 #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META)
3101 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
3102 block_t blkaddr, int type);
3103 static inline void verify_blkaddr(struct f2fs_sb_info *sbi,
3104 block_t blkaddr, int type)
3106 if (!f2fs_is_valid_blkaddr(sbi, blkaddr, type)) {
3107 f2fs_err(sbi, "invalid blkaddr: %u, type: %d, run fsck to fix.",
3109 f2fs_bug_on(sbi, 1);
3113 static inline bool __is_valid_data_blkaddr(block_t blkaddr)
3115 if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR ||
3116 blkaddr == COMPRESS_ADDR)
3121 static inline void f2fs_set_page_private(struct page *page,
3124 if (PagePrivate(page))
3127 attach_page_private(page, (void *)data);
3130 static inline void f2fs_clear_page_private(struct page *page)
3132 detach_page_private(page);
3138 int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync);
3139 void f2fs_truncate_data_blocks(struct dnode_of_data *dn);
3140 int f2fs_do_truncate_blocks(struct inode *inode, u64 from, bool lock);
3141 int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock);
3142 int f2fs_truncate(struct inode *inode);
3143 int f2fs_getattr(const struct path *path, struct kstat *stat,
3144 u32 request_mask, unsigned int flags);
3145 int f2fs_setattr(struct dentry *dentry, struct iattr *attr);
3146 int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end);
3147 void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count);
3148 int f2fs_precache_extents(struct inode *inode);
3149 long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
3150 long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
3151 int f2fs_transfer_project_quota(struct inode *inode, kprojid_t kprojid);
3152 int f2fs_pin_file_control(struct inode *inode, bool inc);
3157 void f2fs_set_inode_flags(struct inode *inode);
3158 bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page);
3159 void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page);
3160 struct inode *f2fs_iget(struct super_block *sb, unsigned long ino);
3161 struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino);
3162 int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink);
3163 void f2fs_update_inode(struct inode *inode, struct page *node_page);
3164 void f2fs_update_inode_page(struct inode *inode);
3165 int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc);
3166 void f2fs_evict_inode(struct inode *inode);
3167 void f2fs_handle_failed_inode(struct inode *inode);
3172 int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
3173 bool hot, bool set);
3174 struct dentry *f2fs_get_parent(struct dentry *child);
3179 unsigned char f2fs_get_de_type(struct f2fs_dir_entry *de);
3180 int f2fs_init_casefolded_name(const struct inode *dir,
3181 struct f2fs_filename *fname);
3182 int f2fs_setup_filename(struct inode *dir, const struct qstr *iname,
3183 int lookup, struct f2fs_filename *fname);
3184 int f2fs_prepare_lookup(struct inode *dir, struct dentry *dentry,
3185 struct f2fs_filename *fname);
3186 void f2fs_free_filename(struct f2fs_filename *fname);
3187 struct f2fs_dir_entry *f2fs_find_target_dentry(const struct f2fs_dentry_ptr *d,
3188 const struct f2fs_filename *fname, int *max_slots);
3189 int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,
3190 unsigned int start_pos, struct fscrypt_str *fstr);
3191 void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent,
3192 struct f2fs_dentry_ptr *d);
3193 struct page *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir,
3194 const struct f2fs_filename *fname, struct page *dpage);
3195 void f2fs_update_parent_metadata(struct inode *dir, struct inode *inode,
3196 unsigned int current_depth);
3197 int f2fs_room_for_filename(const void *bitmap, int slots, int max_slots);
3198 void f2fs_drop_nlink(struct inode *dir, struct inode *inode);
3199 struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir,
3200 const struct f2fs_filename *fname,
3201 struct page **res_page);
3202 struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,
3203 const struct qstr *child, struct page **res_page);
3204 struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p);
3205 ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr,
3206 struct page **page);
3207 void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de,
3208 struct page *page, struct inode *inode);
3209 bool f2fs_has_enough_room(struct inode *dir, struct page *ipage,
3210 const struct f2fs_filename *fname);
3211 void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d,
3212 const struct fscrypt_str *name, f2fs_hash_t name_hash,
3213 unsigned int bit_pos);
3214 int f2fs_add_regular_entry(struct inode *dir, const struct f2fs_filename *fname,
3215 struct inode *inode, nid_t ino, umode_t mode);
3216 int f2fs_add_dentry(struct inode *dir, const struct f2fs_filename *fname,
3217 struct inode *inode, nid_t ino, umode_t mode);
3218 int f2fs_do_add_link(struct inode *dir, const struct qstr *name,
3219 struct inode *inode, nid_t ino, umode_t mode);
3220 void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
3221 struct inode *dir, struct inode *inode);
3222 int f2fs_do_tmpfile(struct inode *inode, struct inode *dir);
3223 bool f2fs_empty_dir(struct inode *dir);
3225 static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode)
3227 return f2fs_do_add_link(d_inode(dentry->d_parent), &dentry->d_name,
3228 inode, inode->i_ino, inode->i_mode);
3234 int f2fs_inode_dirtied(struct inode *inode, bool sync);
3235 void f2fs_inode_synced(struct inode *inode);
3236 int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly);
3237 int f2fs_quota_sync(struct super_block *sb, int type);
3238 void f2fs_quota_off_umount(struct super_block *sb);
3239 int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover);
3240 int f2fs_sync_fs(struct super_block *sb, int sync);
3241 int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi);
3246 void f2fs_hash_filename(const struct inode *dir, struct f2fs_filename *fname);
3251 struct dnode_of_data;
3254 int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid);
3255 bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type);
3256 bool f2fs_in_warm_node_list(struct f2fs_sb_info *sbi, struct page *page);
3257 void f2fs_init_fsync_node_info(struct f2fs_sb_info *sbi);
3258 void f2fs_del_fsync_node_entry(struct f2fs_sb_info *sbi, struct page *page);
3259 void f2fs_reset_fsync_node_info(struct f2fs_sb_info *sbi);
3260 int f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid);
3261 bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid);
3262 bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino);
3263 int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid,
3264 struct node_info *ni);
3265 pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs);
3266 int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode);
3267 int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from);
3268 int f2fs_truncate_xattr_node(struct inode *inode);
3269 int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi,
3270 unsigned int seq_id);
3271 int f2fs_remove_inode_page(struct inode *inode);
3272 struct page *f2fs_new_inode_page(struct inode *inode);
3273 struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs);
3274 void f2fs_ra_node_page(struct f2fs_sb_info *sbi, nid_t nid);
3275 struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid);
3276 struct page *f2fs_get_node_page_ra(struct page *parent, int start);
3277 int f2fs_move_node_page(struct page *node_page, int gc_type);
3278 int f2fs_flush_inline_data(struct f2fs_sb_info *sbi);
3279 int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
3280 struct writeback_control *wbc, bool atomic,
3281 unsigned int *seq_id);
3282 int f2fs_sync_node_pages(struct f2fs_sb_info *sbi,
3283 struct writeback_control *wbc,
3284 bool do_balance, enum iostat_type io_type);
3285 int f2fs_build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount);
3286 bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid);
3287 void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid);
3288 void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid);
3289 int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink);
3290 void f2fs_recover_inline_xattr(struct inode *inode, struct page *page);
3291 int f2fs_recover_xattr_data(struct inode *inode, struct page *page);
3292 int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page);
3293 int f2fs_restore_node_summary(struct f2fs_sb_info *sbi,
3294 unsigned int segno, struct f2fs_summary_block *sum);
3295 int f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
3296 int f2fs_build_node_manager(struct f2fs_sb_info *sbi);
3297 void f2fs_destroy_node_manager(struct f2fs_sb_info *sbi);
3298 int __init f2fs_create_node_manager_caches(void);
3299 void f2fs_destroy_node_manager_caches(void);
3304 bool f2fs_need_SSR(struct f2fs_sb_info *sbi);
3305 void f2fs_register_inmem_page(struct inode *inode, struct page *page);
3306 void f2fs_drop_inmem_pages_all(struct f2fs_sb_info *sbi, bool gc_failure);
3307 void f2fs_drop_inmem_pages(struct inode *inode);
3308 void f2fs_drop_inmem_page(struct inode *inode, struct page *page);
3309 int f2fs_commit_inmem_pages(struct inode *inode);
3310 void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need);
3311 void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi, bool from_bg);
3312 int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino);
3313 int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi);
3314 int f2fs_flush_device_cache(struct f2fs_sb_info *sbi);
3315 void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free);
3316 void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr);
3317 bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr);
3318 void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi);
3319 void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi);
3320 bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi);
3321 void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
3322 struct cp_control *cpc);
3323 void f2fs_dirty_to_prefree(struct f2fs_sb_info *sbi);
3324 block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi);
3325 int f2fs_disable_cp_again(struct f2fs_sb_info *sbi, block_t unusable);
3326 void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi);
3327 int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra);
3328 void allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
3329 unsigned int start, unsigned int end);
3330 void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi, int type);
3331 int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range);
3332 bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi,
3333 struct cp_control *cpc);
3334 struct page *f2fs_get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno);
3335 void f2fs_update_meta_page(struct f2fs_sb_info *sbi, void *src,
3337 void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page,
3338 enum iostat_type io_type);
3339 void f2fs_do_write_node_page(unsigned int nid, struct f2fs_io_info *fio);
3340 void f2fs_outplace_write_data(struct dnode_of_data *dn,
3341 struct f2fs_io_info *fio);
3342 int f2fs_inplace_write_data(struct f2fs_io_info *fio);
3343 void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
3344 block_t old_blkaddr, block_t new_blkaddr,
3345 bool recover_curseg, bool recover_newaddr);
3346 void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn,
3347 block_t old_addr, block_t new_addr,
3348 unsigned char version, bool recover_curseg,
3349 bool recover_newaddr);
3350 void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
3351 block_t old_blkaddr, block_t *new_blkaddr,
3352 struct f2fs_summary *sum, int type,
3353 struct f2fs_io_info *fio, bool add_list);
3354 void f2fs_wait_on_page_writeback(struct page *page,
3355 enum page_type type, bool ordered, bool locked);
3356 void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr);
3357 void f2fs_wait_on_block_writeback_range(struct inode *inode, block_t blkaddr,
3359 void f2fs_write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
3360 void f2fs_write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
3361 int f2fs_lookup_journal_in_cursum(struct f2fs_journal *journal, int type,
3362 unsigned int val, int alloc);
3363 void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
3364 int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi);
3365 int f2fs_check_write_pointer(struct f2fs_sb_info *sbi);
3366 int f2fs_build_segment_manager(struct f2fs_sb_info *sbi);
3367 void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi);
3368 int __init f2fs_create_segment_manager_caches(void);
3369 void f2fs_destroy_segment_manager_caches(void);
3370 int f2fs_rw_hint_to_seg_type(enum rw_hint hint);
3371 enum rw_hint f2fs_io_type_to_rw_hint(struct f2fs_sb_info *sbi,
3372 enum page_type type, enum temp_type temp);
3377 void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io);
3378 struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
3379 struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
3380 struct page *f2fs_get_meta_page_nofail(struct f2fs_sb_info *sbi, pgoff_t index);
3381 struct page *f2fs_get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index);
3382 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
3383 block_t blkaddr, int type);
3384 int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
3385 int type, bool sync);
3386 void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index);
3387 long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type,
3388 long nr_to_write, enum iostat_type io_type);
3389 void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
3390 void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
3391 void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all);
3392 bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode);
3393 void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
3394 unsigned int devidx, int type);
3395 bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
3396 unsigned int devidx, int type);
3397 int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi);
3398 int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi);
3399 void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi);
3400 void f2fs_add_orphan_inode(struct inode *inode);
3401 void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino);
3402 int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi);
3403 int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi);
3404 void f2fs_update_dirty_page(struct inode *inode, struct page *page);
3405 void f2fs_remove_dirty_inode(struct inode *inode);
3406 int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type);
3407 void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type);
3408 int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc);
3409 void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi);
3410 int __init f2fs_create_checkpoint_caches(void);
3411 void f2fs_destroy_checkpoint_caches(void);
3416 int __init f2fs_init_bioset(void);
3417 void f2fs_destroy_bioset(void);
3418 struct bio *f2fs_bio_alloc(struct f2fs_sb_info *sbi, int npages, bool noio);
3419 int f2fs_init_bio_entry_cache(void);
3420 void f2fs_destroy_bio_entry_cache(void);
3421 void f2fs_submit_bio(struct f2fs_sb_info *sbi,
3422 struct bio *bio, enum page_type type);
3423 void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type);
3424 void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi,
3425 struct inode *inode, struct page *page,
3426 nid_t ino, enum page_type type);
3427 void f2fs_submit_merged_ipu_write(struct f2fs_sb_info *sbi,
3428 struct bio **bio, struct page *page);
3429 void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi);
3430 int f2fs_submit_page_bio(struct f2fs_io_info *fio);
3431 int f2fs_merge_page_bio(struct f2fs_io_info *fio);
3432 void f2fs_submit_page_write(struct f2fs_io_info *fio);
3433 struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi,
3434 block_t blk_addr, struct bio *bio);
3435 int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr);
3436 void f2fs_set_data_blkaddr(struct dnode_of_data *dn);
3437 void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr);
3438 int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count);
3439 int f2fs_reserve_new_block(struct dnode_of_data *dn);
3440 int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index);
3441 int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from);
3442 int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index);
3443 struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
3444 int op_flags, bool for_write);
3445 struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index);
3446 struct page *f2fs_get_lock_data_page(struct inode *inode, pgoff_t index,
3448 struct page *f2fs_get_new_data_page(struct inode *inode,
3449 struct page *ipage, pgoff_t index, bool new_i_size);
3450 int f2fs_do_write_data_page(struct f2fs_io_info *fio);
3451 void __do_map_lock(struct f2fs_sb_info *sbi, int flag, bool lock);
3452 int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
3453 int create, int flag);
3454 int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
3455 u64 start, u64 len);
3456 int f2fs_encrypt_one_page(struct f2fs_io_info *fio);
3457 bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio);
3458 bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio);
3459 int f2fs_write_single_data_page(struct page *page, int *submitted,
3460 struct bio **bio, sector_t *last_block,
3461 struct writeback_control *wbc,
3462 enum iostat_type io_type,
3464 void f2fs_invalidate_page(struct page *page, unsigned int offset,
3465 unsigned int length);
3466 int f2fs_release_page(struct page *page, gfp_t wait);
3467 #ifdef CONFIG_MIGRATION
3468 int f2fs_migrate_page(struct address_space *mapping, struct page *newpage,
3469 struct page *page, enum migrate_mode mode);
3471 bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len);
3472 void f2fs_clear_page_cache_dirty_tag(struct page *page);
3473 int f2fs_init_post_read_processing(void);
3474 void f2fs_destroy_post_read_processing(void);
3475 int f2fs_init_post_read_wq(struct f2fs_sb_info *sbi);
3476 void f2fs_destroy_post_read_wq(struct f2fs_sb_info *sbi);
3481 int f2fs_start_gc_thread(struct f2fs_sb_info *sbi);
3482 void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi);
3483 block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode);
3484 int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background,
3485 unsigned int segno);
3486 void f2fs_build_gc_manager(struct f2fs_sb_info *sbi);
3487 int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count);
3492 int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only);
3493 bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi);
3498 #ifdef CONFIG_F2FS_STAT_FS
3499 struct f2fs_stat_info {
3500 struct list_head stat_list;
3501 struct f2fs_sb_info *sbi;
3502 int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs;
3503 int main_area_segs, main_area_sections, main_area_zones;
3504 unsigned long long hit_largest, hit_cached, hit_rbtree;
3505 unsigned long long hit_total, total_ext;
3506 int ext_tree, zombie_tree, ext_node;
3507 int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta;
3508 int ndirty_data, ndirty_qdata;
3510 unsigned int ndirty_dirs, ndirty_files, nquota_files, ndirty_all;
3511 int nats, dirty_nats, sits, dirty_sits;
3512 int free_nids, avail_nids, alloc_nids;
3513 int total_count, utilization;
3514 int bg_gc, nr_wb_cp_data, nr_wb_data;
3515 int nr_rd_data, nr_rd_node, nr_rd_meta;
3516 int nr_dio_read, nr_dio_write;
3517 unsigned int io_skip_bggc, other_skip_bggc;
3518 int nr_flushing, nr_flushed, flush_list_empty;
3519 int nr_discarding, nr_discarded;
3521 unsigned int undiscard_blks;
3522 int inline_xattr, inline_inode, inline_dir, append, update, orphans;
3523 int compr_inode, compr_blocks;
3524 int aw_cnt, max_aw_cnt, vw_cnt, max_vw_cnt;
3525 unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks;
3526 unsigned int bimodal, avg_vblocks;
3527 int util_free, util_valid, util_invalid;
3528 int rsvd_segs, overp_segs;
3529 int dirty_count, node_pages, meta_pages;
3530 int prefree_count, call_count, cp_count, bg_cp_count;
3531 int tot_segs, node_segs, data_segs, free_segs, free_secs;
3532 int bg_node_segs, bg_data_segs;
3533 int tot_blks, data_blks, node_blks;
3534 int bg_data_blks, bg_node_blks;
3535 unsigned long long skipped_atomic_files[2];
3536 int curseg[NR_CURSEG_TYPE];
3537 int cursec[NR_CURSEG_TYPE];
3538 int curzone[NR_CURSEG_TYPE];
3540 unsigned int meta_count[META_MAX];
3541 unsigned int segment_count[2];
3542 unsigned int block_count[2];
3543 unsigned int inplace_count;
3544 unsigned long long base_mem, cache_mem, page_mem;
3547 static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi)
3549 return (struct f2fs_stat_info *)sbi->stat_info;
3552 #define stat_inc_cp_count(si) ((si)->cp_count++)
3553 #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++)
3554 #define stat_inc_call_count(si) ((si)->call_count++)
3555 #define stat_inc_bggc_count(si) ((si)->bg_gc++)
3556 #define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++)
3557 #define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++)
3558 #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++)
3559 #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--)
3560 #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext))
3561 #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree))
3562 #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest))
3563 #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached))
3564 #define stat_inc_inline_xattr(inode) \
3566 if (f2fs_has_inline_xattr(inode)) \
3567 (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \
3569 #define stat_dec_inline_xattr(inode) \
3571 if (f2fs_has_inline_xattr(inode)) \
3572 (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \
3574 #define stat_inc_inline_inode(inode) \
3576 if (f2fs_has_inline_data(inode)) \
3577 (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \
3579 #define stat_dec_inline_inode(inode) \
3581 if (f2fs_has_inline_data(inode)) \
3582 (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \
3584 #define stat_inc_inline_dir(inode) \
3586 if (f2fs_has_inline_dentry(inode)) \
3587 (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \
3589 #define stat_dec_inline_dir(inode) \
3591 if (f2fs_has_inline_dentry(inode)) \
3592 (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \
3594 #define stat_inc_compr_inode(inode) \
3596 if (f2fs_compressed_file(inode)) \
3597 (atomic_inc(&F2FS_I_SB(inode)->compr_inode)); \
3599 #define stat_dec_compr_inode(inode) \
3601 if (f2fs_compressed_file(inode)) \
3602 (atomic_dec(&F2FS_I_SB(inode)->compr_inode)); \
3604 #define stat_add_compr_blocks(inode, blocks) \
3605 (atomic_add(blocks, &F2FS_I_SB(inode)->compr_blocks))
3606 #define stat_sub_compr_blocks(inode, blocks) \
3607 (atomic_sub(blocks, &F2FS_I_SB(inode)->compr_blocks))
3608 #define stat_inc_meta_count(sbi, blkaddr) \
3610 if (blkaddr < SIT_I(sbi)->sit_base_addr) \
3611 atomic_inc(&(sbi)->meta_count[META_CP]); \
3612 else if (blkaddr < NM_I(sbi)->nat_blkaddr) \
3613 atomic_inc(&(sbi)->meta_count[META_SIT]); \
3614 else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \
3615 atomic_inc(&(sbi)->meta_count[META_NAT]); \
3616 else if (blkaddr < SM_I(sbi)->main_blkaddr) \
3617 atomic_inc(&(sbi)->meta_count[META_SSA]); \
3619 #define stat_inc_seg_type(sbi, curseg) \
3620 ((sbi)->segment_count[(curseg)->alloc_type]++)
3621 #define stat_inc_block_count(sbi, curseg) \
3622 ((sbi)->block_count[(curseg)->alloc_type]++)
3623 #define stat_inc_inplace_blocks(sbi) \
3624 (atomic_inc(&(sbi)->inplace_count))
3625 #define stat_update_max_atomic_write(inode) \
3627 int cur = F2FS_I_SB(inode)->atomic_files; \
3628 int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \
3630 atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \
3632 #define stat_inc_volatile_write(inode) \
3633 (atomic_inc(&F2FS_I_SB(inode)->vw_cnt))
3634 #define stat_dec_volatile_write(inode) \
3635 (atomic_dec(&F2FS_I_SB(inode)->vw_cnt))
3636 #define stat_update_max_volatile_write(inode) \
3638 int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \
3639 int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \
3641 atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \
3643 #define stat_inc_seg_count(sbi, type, gc_type) \
3645 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3647 if ((type) == SUM_TYPE_DATA) { \
3649 si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \
3652 si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \
3656 #define stat_inc_tot_blk_count(si, blks) \
3657 ((si)->tot_blks += (blks))
3659 #define stat_inc_data_blk_count(sbi, blks, gc_type) \
3661 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3662 stat_inc_tot_blk_count(si, blks); \
3663 si->data_blks += (blks); \
3664 si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3667 #define stat_inc_node_blk_count(sbi, blks, gc_type) \
3669 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3670 stat_inc_tot_blk_count(si, blks); \
3671 si->node_blks += (blks); \
3672 si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3675 int f2fs_build_stats(struct f2fs_sb_info *sbi);
3676 void f2fs_destroy_stats(struct f2fs_sb_info *sbi);
3677 void __init f2fs_create_root_stats(void);
3678 void f2fs_destroy_root_stats(void);
3679 void f2fs_update_sit_info(struct f2fs_sb_info *sbi);
3681 #define stat_inc_cp_count(si) do { } while (0)
3682 #define stat_inc_bg_cp_count(si) do { } while (0)
3683 #define stat_inc_call_count(si) do { } while (0)
3684 #define stat_inc_bggc_count(si) do { } while (0)
3685 #define stat_io_skip_bggc_count(sbi) do { } while (0)
3686 #define stat_other_skip_bggc_count(sbi) do { } while (0)
3687 #define stat_inc_dirty_inode(sbi, type) do { } while (0)
3688 #define stat_dec_dirty_inode(sbi, type) do { } while (0)
3689 #define stat_inc_total_hit(sbi) do { } while (0)
3690 #define stat_inc_rbtree_node_hit(sbi) do { } while (0)
3691 #define stat_inc_largest_node_hit(sbi) do { } while (0)
3692 #define stat_inc_cached_node_hit(sbi) do { } while (0)
3693 #define stat_inc_inline_xattr(inode) do { } while (0)
3694 #define stat_dec_inline_xattr(inode) do { } while (0)
3695 #define stat_inc_inline_inode(inode) do { } while (0)
3696 #define stat_dec_inline_inode(inode) do { } while (0)
3697 #define stat_inc_inline_dir(inode) do { } while (0)
3698 #define stat_dec_inline_dir(inode) do { } while (0)
3699 #define stat_inc_compr_inode(inode) do { } while (0)
3700 #define stat_dec_compr_inode(inode) do { } while (0)
3701 #define stat_add_compr_blocks(inode, blocks) do { } while (0)
3702 #define stat_sub_compr_blocks(inode, blocks) do { } while (0)
3703 #define stat_inc_atomic_write(inode) do { } while (0)
3704 #define stat_dec_atomic_write(inode) do { } while (0)
3705 #define stat_update_max_atomic_write(inode) do { } while (0)
3706 #define stat_inc_volatile_write(inode) do { } while (0)
3707 #define stat_dec_volatile_write(inode) do { } while (0)
3708 #define stat_update_max_volatile_write(inode) do { } while (0)
3709 #define stat_inc_meta_count(sbi, blkaddr) do { } while (0)
3710 #define stat_inc_seg_type(sbi, curseg) do { } while (0)
3711 #define stat_inc_block_count(sbi, curseg) do { } while (0)
3712 #define stat_inc_inplace_blocks(sbi) do { } while (0)
3713 #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0)
3714 #define stat_inc_tot_blk_count(si, blks) do { } while (0)
3715 #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0)
3716 #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0)
3718 static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; }
3719 static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { }
3720 static inline void __init f2fs_create_root_stats(void) { }
3721 static inline void f2fs_destroy_root_stats(void) { }
3722 static inline void f2fs_update_sit_info(struct f2fs_sb_info *sbi) {}
3725 extern const struct file_operations f2fs_dir_operations;
3726 #ifdef CONFIG_UNICODE
3727 extern const struct dentry_operations f2fs_dentry_ops;
3729 extern const struct file_operations f2fs_file_operations;
3730 extern const struct inode_operations f2fs_file_inode_operations;
3731 extern const struct address_space_operations f2fs_dblock_aops;
3732 extern const struct address_space_operations f2fs_node_aops;
3733 extern const struct address_space_operations f2fs_meta_aops;
3734 extern const struct inode_operations f2fs_dir_inode_operations;
3735 extern const struct inode_operations f2fs_symlink_inode_operations;
3736 extern const struct inode_operations f2fs_encrypted_symlink_inode_operations;
3737 extern const struct inode_operations f2fs_special_inode_operations;
3738 extern struct kmem_cache *f2fs_inode_entry_slab;
3743 bool f2fs_may_inline_data(struct inode *inode);
3744 bool f2fs_may_inline_dentry(struct inode *inode);
3745 void f2fs_do_read_inline_data(struct page *page, struct page *ipage);
3746 void f2fs_truncate_inline_inode(struct inode *inode,
3747 struct page *ipage, u64 from);
3748 int f2fs_read_inline_data(struct inode *inode, struct page *page);
3749 int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page);
3750 int f2fs_convert_inline_inode(struct inode *inode);
3751 int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry);
3752 int f2fs_write_inline_data(struct inode *inode, struct page *page);
3753 bool f2fs_recover_inline_data(struct inode *inode, struct page *npage);
3754 struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir,
3755 const struct f2fs_filename *fname,
3756 struct page **res_page);
3757 int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent,
3758 struct page *ipage);
3759 int f2fs_add_inline_entry(struct inode *dir, const struct f2fs_filename *fname,
3760 struct inode *inode, nid_t ino, umode_t mode);
3761 void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry,
3762 struct page *page, struct inode *dir,
3763 struct inode *inode);
3764 bool f2fs_empty_inline_dir(struct inode *dir);
3765 int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx,
3766 struct fscrypt_str *fstr);
3767 int f2fs_inline_data_fiemap(struct inode *inode,
3768 struct fiemap_extent_info *fieinfo,
3769 __u64 start, __u64 len);
3774 unsigned long f2fs_shrink_count(struct shrinker *shrink,
3775 struct shrink_control *sc);
3776 unsigned long f2fs_shrink_scan(struct shrinker *shrink,
3777 struct shrink_control *sc);
3778 void f2fs_join_shrinker(struct f2fs_sb_info *sbi);
3779 void f2fs_leave_shrinker(struct f2fs_sb_info *sbi);
3784 struct rb_entry *f2fs_lookup_rb_tree(struct rb_root_cached *root,
3785 struct rb_entry *cached_re, unsigned int ofs);
3786 struct rb_node **f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi,
3787 struct rb_root_cached *root,
3788 struct rb_node **parent,
3789 unsigned int ofs, bool *leftmost);
3790 struct rb_entry *f2fs_lookup_rb_tree_ret(struct rb_root_cached *root,
3791 struct rb_entry *cached_re, unsigned int ofs,
3792 struct rb_entry **prev_entry, struct rb_entry **next_entry,
3793 struct rb_node ***insert_p, struct rb_node **insert_parent,
3794 bool force, bool *leftmost);
3795 bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info *sbi,
3796 struct rb_root_cached *root);
3797 unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink);
3798 bool f2fs_init_extent_tree(struct inode *inode, struct f2fs_extent *i_ext);
3799 void f2fs_drop_extent_tree(struct inode *inode);
3800 unsigned int f2fs_destroy_extent_node(struct inode *inode);
3801 void f2fs_destroy_extent_tree(struct inode *inode);
3802 bool f2fs_lookup_extent_cache(struct inode *inode, pgoff_t pgofs,
3803 struct extent_info *ei);
3804 void f2fs_update_extent_cache(struct dnode_of_data *dn);
3805 void f2fs_update_extent_cache_range(struct dnode_of_data *dn,
3806 pgoff_t fofs, block_t blkaddr, unsigned int len);
3807 void f2fs_init_extent_cache_info(struct f2fs_sb_info *sbi);
3808 int __init f2fs_create_extent_cache(void);
3809 void f2fs_destroy_extent_cache(void);
3814 int __init f2fs_init_sysfs(void);
3815 void f2fs_exit_sysfs(void);
3816 int f2fs_register_sysfs(struct f2fs_sb_info *sbi);
3817 void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi);
3820 extern const struct fsverity_operations f2fs_verityops;
3825 static inline bool f2fs_encrypted_file(struct inode *inode)
3827 return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode);
3830 static inline void f2fs_set_encrypted_inode(struct inode *inode)
3832 #ifdef CONFIG_FS_ENCRYPTION
3833 file_set_encrypt(inode);
3834 f2fs_set_inode_flags(inode);
3839 * Returns true if the reads of the inode's data need to undergo some
3840 * postprocessing step, like decryption or authenticity verification.
3842 static inline bool f2fs_post_read_required(struct inode *inode)
3844 return f2fs_encrypted_file(inode) || fsverity_active(inode) ||
3845 f2fs_compressed_file(inode);
3851 #ifdef CONFIG_F2FS_FS_COMPRESSION
3852 bool f2fs_is_compressed_page(struct page *page);
3853 struct page *f2fs_compress_control_page(struct page *page);
3854 int f2fs_prepare_compress_overwrite(struct inode *inode,
3855 struct page **pagep, pgoff_t index, void **fsdata);
3856 bool f2fs_compress_write_end(struct inode *inode, void *fsdata,
3857 pgoff_t index, unsigned copied);
3858 int f2fs_truncate_partial_cluster(struct inode *inode, u64 from, bool lock);
3859 void f2fs_compress_write_end_io(struct bio *bio, struct page *page);
3860 bool f2fs_is_compress_backend_ready(struct inode *inode);
3861 int f2fs_init_compress_mempool(void);
3862 void f2fs_destroy_compress_mempool(void);
3863 void f2fs_decompress_pages(struct bio *bio, struct page *page, bool verity);
3864 bool f2fs_cluster_is_empty(struct compress_ctx *cc);
3865 bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index);
3866 void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page);
3867 int f2fs_write_multi_pages(struct compress_ctx *cc,
3869 struct writeback_control *wbc,
3870 enum iostat_type io_type);
3871 int f2fs_is_compressed_cluster(struct inode *inode, pgoff_t index);
3872 int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
3873 unsigned nr_pages, sector_t *last_block_in_bio,
3874 bool is_readahead, bool for_write);
3875 struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc);
3876 void f2fs_free_dic(struct decompress_io_ctx *dic);
3877 void f2fs_decompress_end_io(struct page **rpages,
3878 unsigned int cluster_size, bool err, bool verity);
3879 int f2fs_init_compress_ctx(struct compress_ctx *cc);
3880 void f2fs_destroy_compress_ctx(struct compress_ctx *cc);
3881 void f2fs_init_compress_info(struct f2fs_sb_info *sbi);
3883 static inline bool f2fs_is_compressed_page(struct page *page) { return false; }
3884 static inline bool f2fs_is_compress_backend_ready(struct inode *inode)
3886 if (!f2fs_compressed_file(inode))
3888 /* not support compression */
3891 static inline struct page *f2fs_compress_control_page(struct page *page)
3894 return ERR_PTR(-EINVAL);
3896 static inline int f2fs_init_compress_mempool(void) { return 0; }
3897 static inline void f2fs_destroy_compress_mempool(void) { }
3900 static inline void set_compress_context(struct inode *inode)
3902 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
3904 F2FS_I(inode)->i_compress_algorithm =
3905 F2FS_OPTION(sbi).compress_algorithm;
3906 F2FS_I(inode)->i_log_cluster_size =
3907 F2FS_OPTION(sbi).compress_log_size;
3908 F2FS_I(inode)->i_cluster_size =
3909 1 << F2FS_I(inode)->i_log_cluster_size;
3910 F2FS_I(inode)->i_flags |= F2FS_COMPR_FL;
3911 set_inode_flag(inode, FI_COMPRESSED_FILE);
3912 stat_inc_compr_inode(inode);
3913 f2fs_mark_inode_dirty_sync(inode, true);
3916 static inline u64 f2fs_disable_compressed_file(struct inode *inode)
3918 struct f2fs_inode_info *fi = F2FS_I(inode);
3920 if (!f2fs_compressed_file(inode))
3922 if (S_ISREG(inode->i_mode)) {
3923 if (get_dirty_pages(inode))
3925 if (fi->i_compr_blocks)
3926 return fi->i_compr_blocks;
3929 fi->i_flags &= ~F2FS_COMPR_FL;
3930 stat_dec_compr_inode(inode);
3931 clear_inode_flag(inode, FI_COMPRESSED_FILE);
3932 f2fs_mark_inode_dirty_sync(inode, true);
3936 #define F2FS_FEATURE_FUNCS(name, flagname) \
3937 static inline int f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \
3939 return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \
3942 F2FS_FEATURE_FUNCS(encrypt, ENCRYPT);
3943 F2FS_FEATURE_FUNCS(blkzoned, BLKZONED);
3944 F2FS_FEATURE_FUNCS(extra_attr, EXTRA_ATTR);
3945 F2FS_FEATURE_FUNCS(project_quota, PRJQUOTA);
3946 F2FS_FEATURE_FUNCS(inode_chksum, INODE_CHKSUM);
3947 F2FS_FEATURE_FUNCS(flexible_inline_xattr, FLEXIBLE_INLINE_XATTR);
3948 F2FS_FEATURE_FUNCS(quota_ino, QUOTA_INO);
3949 F2FS_FEATURE_FUNCS(inode_crtime, INODE_CRTIME);
3950 F2FS_FEATURE_FUNCS(lost_found, LOST_FOUND);
3951 F2FS_FEATURE_FUNCS(verity, VERITY);
3952 F2FS_FEATURE_FUNCS(sb_chksum, SB_CHKSUM);
3953 F2FS_FEATURE_FUNCS(casefold, CASEFOLD);
3954 F2FS_FEATURE_FUNCS(compression, COMPRESSION);
3956 #ifdef CONFIG_BLK_DEV_ZONED
3957 static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi,
3960 unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz;
3962 return test_bit(zno, FDEV(devi).blkz_seq);
3966 static inline bool f2fs_hw_should_discard(struct f2fs_sb_info *sbi)
3968 return f2fs_sb_has_blkzoned(sbi);
3971 static inline bool f2fs_bdev_support_discard(struct block_device *bdev)
3973 return blk_queue_discard(bdev_get_queue(bdev)) ||
3974 bdev_is_zoned(bdev);
3977 static inline bool f2fs_hw_support_discard(struct f2fs_sb_info *sbi)
3981 if (!f2fs_is_multi_device(sbi))
3982 return f2fs_bdev_support_discard(sbi->sb->s_bdev);
3984 for (i = 0; i < sbi->s_ndevs; i++)
3985 if (f2fs_bdev_support_discard(FDEV(i).bdev))
3990 static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info *sbi)
3992 return (test_opt(sbi, DISCARD) && f2fs_hw_support_discard(sbi)) ||
3993 f2fs_hw_should_discard(sbi);
3996 static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info *sbi)
4000 if (!f2fs_is_multi_device(sbi))
4001 return bdev_read_only(sbi->sb->s_bdev);
4003 for (i = 0; i < sbi->s_ndevs; i++)
4004 if (bdev_read_only(FDEV(i).bdev))
4009 static inline bool f2fs_lfs_mode(struct f2fs_sb_info *sbi)
4011 return F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS;
4014 static inline bool f2fs_may_encrypt(struct inode *dir, struct inode *inode)
4016 #ifdef CONFIG_FS_ENCRYPTION
4017 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
4018 umode_t mode = inode->i_mode;
4021 * If the directory encrypted or dummy encryption enabled,
4022 * then we should encrypt the inode.
4024 if (IS_ENCRYPTED(dir) || DUMMY_ENCRYPTION_ENABLED(sbi))
4025 return (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode));
4030 static inline bool f2fs_may_compress(struct inode *inode)
4032 if (IS_SWAPFILE(inode) || f2fs_is_pinned_file(inode) ||
4033 f2fs_is_atomic_file(inode) ||
4034 f2fs_is_volatile_file(inode))
4036 return S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode);
4039 static inline void f2fs_i_compr_blocks_update(struct inode *inode,
4040 u64 blocks, bool add)
4042 int diff = F2FS_I(inode)->i_cluster_size - blocks;
4044 /* don't update i_compr_blocks if saved blocks were released */
4045 if (!add && !F2FS_I(inode)->i_compr_blocks)
4049 F2FS_I(inode)->i_compr_blocks += diff;
4050 stat_add_compr_blocks(inode, diff);
4052 F2FS_I(inode)->i_compr_blocks -= diff;
4053 stat_sub_compr_blocks(inode, diff);
4055 f2fs_mark_inode_dirty_sync(inode, true);
4058 static inline int block_unaligned_IO(struct inode *inode,
4059 struct kiocb *iocb, struct iov_iter *iter)
4061 unsigned int i_blkbits = READ_ONCE(inode->i_blkbits);
4062 unsigned int blocksize_mask = (1 << i_blkbits) - 1;
4063 loff_t offset = iocb->ki_pos;
4064 unsigned long align = offset | iov_iter_alignment(iter);
4066 return align & blocksize_mask;
4069 static inline int allow_outplace_dio(struct inode *inode,
4070 struct kiocb *iocb, struct iov_iter *iter)
4072 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
4073 int rw = iov_iter_rw(iter);
4075 return (f2fs_lfs_mode(sbi) && (rw == WRITE) &&
4076 !block_unaligned_IO(inode, iocb, iter));
4079 static inline bool f2fs_force_buffered_io(struct inode *inode,
4080 struct kiocb *iocb, struct iov_iter *iter)
4082 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
4083 int rw = iov_iter_rw(iter);
4085 if (f2fs_post_read_required(inode))
4087 if (f2fs_is_multi_device(sbi))
4090 * for blkzoned device, fallback direct IO to buffered IO, so
4091 * all IOs can be serialized by log-structured write.
4093 if (f2fs_sb_has_blkzoned(sbi))
4095 if (f2fs_lfs_mode(sbi) && (rw == WRITE)) {
4096 if (block_unaligned_IO(inode, iocb, iter))
4098 if (F2FS_IO_ALIGNED(sbi))
4101 if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED) &&
4102 !IS_SWAPFILE(inode))
4108 #ifdef CONFIG_F2FS_FAULT_INJECTION
4109 extern void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate,
4112 #define f2fs_build_fault_attr(sbi, rate, type) do { } while (0)
4115 static inline bool is_journalled_quota(struct f2fs_sb_info *sbi)
4118 if (f2fs_sb_has_quota_ino(sbi))
4120 if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] ||
4121 F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] ||
4122 F2FS_OPTION(sbi).s_qf_names[PRJQUOTA])
4128 #define EFSBADCRC EBADMSG /* Bad CRC detected */
4129 #define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */
4131 #endif /* _LINUX_F2FS_H */