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 <crypto/hash.h>
27 #include <linux/fscrypt.h>
28 #include <linux/fsverity.h>
30 #ifdef CONFIG_F2FS_CHECK_FS
31 #define f2fs_bug_on(sbi, condition) BUG_ON(condition)
33 #define f2fs_bug_on(sbi, condition) \
35 if (unlikely(condition)) { \
37 set_sbi_flag(sbi, SBI_NEED_FSCK); \
61 #ifdef CONFIG_F2FS_FAULT_INJECTION
62 #define F2FS_ALL_FAULT_TYPE ((1 << FAULT_MAX) - 1)
64 struct f2fs_fault_info
{
66 unsigned int inject_rate
;
67 unsigned int inject_type
;
70 extern const char *f2fs_fault_name
[FAULT_MAX
];
71 #define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type)))
77 #define F2FS_MOUNT_BG_GC 0x00000001
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_FORCE_FG_GC 0x00004000
92 #define F2FS_MOUNT_DATA_FLUSH 0x00008000
93 #define F2FS_MOUNT_FAULT_INJECTION 0x00010000
94 #define F2FS_MOUNT_ADAPTIVE 0x00020000
95 #define F2FS_MOUNT_LFS 0x00040000
96 #define F2FS_MOUNT_USRQUOTA 0x00080000
97 #define F2FS_MOUNT_GRPQUOTA 0x00100000
98 #define F2FS_MOUNT_PRJQUOTA 0x00200000
99 #define F2FS_MOUNT_QUOTA 0x00400000
100 #define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00800000
101 #define F2FS_MOUNT_RESERVE_ROOT 0x01000000
102 #define F2FS_MOUNT_DISABLE_CHECKPOINT 0x02000000
104 #define F2FS_OPTION(sbi) ((sbi)->mount_opt)
105 #define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option)
106 #define set_opt(sbi, option) (F2FS_OPTION(sbi).opt |= F2FS_MOUNT_##option)
107 #define test_opt(sbi, option) (F2FS_OPTION(sbi).opt & F2FS_MOUNT_##option)
109 #define ver_after(a, b) (typecheck(unsigned long long, a) && \
110 typecheck(unsigned long long, b) && \
111 ((long long)((a) - (b)) > 0))
113 typedef u32 block_t
; /*
114 * should not change u32, since it is the on-disk block
115 * address format, __le32.
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 bool test_dummy_encryption
; /* test dummy encryption */
140 block_t unusable_cap
; /* Amount of space allowed to be
141 * unusable when disabling checkpoint
145 #define F2FS_FEATURE_ENCRYPT 0x0001
146 #define F2FS_FEATURE_BLKZONED 0x0002
147 #define F2FS_FEATURE_ATOMIC_WRITE 0x0004
148 #define F2FS_FEATURE_EXTRA_ATTR 0x0008
149 #define F2FS_FEATURE_PRJQUOTA 0x0010
150 #define F2FS_FEATURE_INODE_CHKSUM 0x0020
151 #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040
152 #define F2FS_FEATURE_QUOTA_INO 0x0080
153 #define F2FS_FEATURE_INODE_CRTIME 0x0100
154 #define F2FS_FEATURE_LOST_FOUND 0x0200
155 #define F2FS_FEATURE_VERITY 0x0400
156 #define F2FS_FEATURE_SB_CHKSUM 0x0800
157 #define F2FS_FEATURE_CASEFOLD 0x1000
159 #define __F2FS_HAS_FEATURE(raw_super, mask) \
160 ((raw_super->feature & cpu_to_le32(mask)) != 0)
161 #define F2FS_HAS_FEATURE(sbi, mask) __F2FS_HAS_FEATURE(sbi->raw_super, mask)
162 #define F2FS_SET_FEATURE(sbi, mask) \
163 (sbi->raw_super->feature |= cpu_to_le32(mask))
164 #define F2FS_CLEAR_FEATURE(sbi, mask) \
165 (sbi->raw_super->feature &= ~cpu_to_le32(mask))
168 * Default values for user and/or group using reserved blocks
170 #define F2FS_DEF_RESUID 0
171 #define F2FS_DEF_RESGID 0
174 * For checkpoint manager
181 #define CP_UMOUNT 0x00000001
182 #define CP_FASTBOOT 0x00000002
183 #define CP_SYNC 0x00000004
184 #define CP_RECOVERY 0x00000008
185 #define CP_DISCARD 0x00000010
186 #define CP_TRIMMED 0x00000020
187 #define CP_PAUSE 0x00000040
189 #define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi)
190 #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */
191 #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */
192 #define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */
193 #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */
194 #define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */
195 #define DEF_CP_INTERVAL 60 /* 60 secs */
196 #define DEF_IDLE_INTERVAL 5 /* 5 secs */
197 #define DEF_DISABLE_INTERVAL 5 /* 5 secs */
198 #define DEF_DISABLE_QUICK_INTERVAL 1 /* 1 secs */
199 #define DEF_UMOUNT_DISCARD_TIMEOUT 5 /* 5 secs */
209 * indicate meta/data type
218 DATA_GENERIC
, /* check range only */
219 DATA_GENERIC_ENHANCE
, /* strong check on range and segment bitmap */
220 DATA_GENERIC_ENHANCE_READ
, /*
221 * strong check on range and segment
222 * bitmap but no warning due to race
223 * condition of read on truncated area
229 /* for the list of ino */
231 ORPHAN_INO
, /* for orphan ino list */
232 APPEND_INO
, /* for append ino list */
233 UPDATE_INO
, /* for update ino list */
234 TRANS_DIR_INO
, /* for trasactions dir ino list */
235 FLUSH_INO
, /* for multiple device flushing */
236 MAX_INO_ENTRY
, /* max. list */
240 struct list_head list
; /* list head */
241 nid_t ino
; /* inode number */
242 unsigned int dirty_device
; /* dirty device bitmap */
245 /* for the list of inodes to be GCed */
247 struct list_head list
; /* list head */
248 struct inode
*inode
; /* vfs inode pointer */
251 struct fsync_node_entry
{
252 struct list_head list
; /* list head */
253 struct page
*page
; /* warm node page pointer */
254 unsigned int seq_id
; /* sequence id */
257 /* for the bitmap indicate blocks to be discarded */
258 struct discard_entry
{
259 struct list_head list
; /* list head */
260 block_t start_blkaddr
; /* start blockaddr of current segment */
261 unsigned char discard_map
[SIT_VBLOCK_MAP_SIZE
]; /* segment discard bitmap */
264 /* default discard granularity of inner discard thread, unit: block count */
265 #define DEFAULT_DISCARD_GRANULARITY 16
267 /* max discard pend list number */
268 #define MAX_PLIST_NUM 512
269 #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \
270 (MAX_PLIST_NUM - 1) : ((blk_num) - 1))
273 D_PREP
, /* initial */
274 D_PARTIAL
, /* partially submitted */
275 D_SUBMIT
, /* all submitted */
276 D_DONE
, /* finished */
279 struct discard_info
{
280 block_t lstart
; /* logical start address */
281 block_t len
; /* length */
282 block_t start
; /* actual start address in dev */
286 struct rb_node rb_node
; /* rb node located in rb-tree */
289 block_t lstart
; /* logical start address */
290 block_t len
; /* length */
291 block_t start
; /* actual start address in dev */
293 struct discard_info di
; /* discard info */
296 struct list_head list
; /* command list */
297 struct completion wait
; /* compleation */
298 struct block_device
*bdev
; /* bdev */
299 unsigned short ref
; /* reference count */
300 unsigned char state
; /* state */
301 unsigned char queued
; /* queued discard */
302 int error
; /* bio error */
303 spinlock_t lock
; /* for state/bio_ref updating */
304 unsigned short bio_ref
; /* bio reference count */
315 struct discard_policy
{
316 int type
; /* type of discard */
317 unsigned int min_interval
; /* used for candidates exist */
318 unsigned int mid_interval
; /* used for device busy */
319 unsigned int max_interval
; /* used for candidates not exist */
320 unsigned int max_requests
; /* # of discards issued per round */
321 unsigned int io_aware_gran
; /* minimum granularity discard not be aware of I/O */
322 bool io_aware
; /* issue discard in idle time */
323 bool sync
; /* submit discard with REQ_SYNC flag */
324 bool ordered
; /* issue discard by lba order */
325 unsigned int granularity
; /* discard granularity */
326 int timeout
; /* discard timeout for put_super */
329 struct discard_cmd_control
{
330 struct task_struct
*f2fs_issue_discard
; /* discard thread */
331 struct list_head entry_list
; /* 4KB discard entry list */
332 struct list_head pend_list
[MAX_PLIST_NUM
];/* store pending entries */
333 struct list_head wait_list
; /* store on-flushing entries */
334 struct list_head fstrim_list
; /* in-flight discard from fstrim */
335 wait_queue_head_t discard_wait_queue
; /* waiting queue for wake-up */
336 unsigned int discard_wake
; /* to wake up discard thread */
337 struct mutex cmd_lock
;
338 unsigned int nr_discards
; /* # of discards in the list */
339 unsigned int max_discards
; /* max. discards to be issued */
340 unsigned int discard_granularity
; /* discard granularity */
341 unsigned int undiscard_blks
; /* # of undiscard blocks */
342 unsigned int next_pos
; /* next discard position */
343 atomic_t issued_discard
; /* # of issued discard */
344 atomic_t queued_discard
; /* # of queued discard */
345 atomic_t discard_cmd_cnt
; /* # of cached cmd count */
346 struct rb_root_cached root
; /* root of discard rb-tree */
347 bool rbtree_check
; /* config for consistence check */
350 /* for the list of fsync inodes, used only during recovery */
351 struct fsync_inode_entry
{
352 struct list_head list
; /* list head */
353 struct inode
*inode
; /* vfs inode pointer */
354 block_t blkaddr
; /* block address locating the last fsync */
355 block_t last_dentry
; /* block address locating the last dentry */
358 #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats))
359 #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits))
361 #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne)
362 #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid)
363 #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se)
364 #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno)
366 #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl))
367 #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl))
369 static inline int update_nats_in_cursum(struct f2fs_journal
*journal
, int i
)
371 int before
= nats_in_cursum(journal
);
373 journal
->n_nats
= cpu_to_le16(before
+ i
);
377 static inline int update_sits_in_cursum(struct f2fs_journal
*journal
, int i
)
379 int before
= sits_in_cursum(journal
);
381 journal
->n_sits
= cpu_to_le16(before
+ i
);
385 static inline bool __has_cursum_space(struct f2fs_journal
*journal
,
388 if (type
== NAT_JOURNAL
)
389 return size
<= MAX_NAT_JENTRIES(journal
);
390 return size
<= MAX_SIT_JENTRIES(journal
);
396 #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS
397 #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS
398 #define F2FS_IOC_GETVERSION FS_IOC_GETVERSION
400 #define F2FS_IOCTL_MAGIC 0xf5
401 #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1)
402 #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2)
403 #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3)
404 #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4)
405 #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5)
406 #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32)
407 #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7)
408 #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \
409 struct f2fs_defragment)
410 #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \
411 struct f2fs_move_range)
412 #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \
413 struct f2fs_flush_device)
414 #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \
415 struct f2fs_gc_range)
416 #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32)
417 #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32)
418 #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32)
419 #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15)
420 #define F2FS_IOC_RESIZE_FS _IOW(F2FS_IOCTL_MAGIC, 16, __u64)
422 #define F2FS_IOC_GET_VOLUME_NAME FS_IOC_GETFSLABEL
423 #define F2FS_IOC_SET_VOLUME_NAME FS_IOC_SETFSLABEL
425 #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY
426 #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY
427 #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT
430 * should be same as XFS_IOC_GOINGDOWN.
431 * Flags for going down operation used by FS_IOC_GOINGDOWN
433 #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */
434 #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */
435 #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */
436 #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */
437 #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */
438 #define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */
440 #if defined(__KERNEL__) && defined(CONFIG_COMPAT)
442 * ioctl commands in 32 bit emulation
444 #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS
445 #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS
446 #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION
449 #define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
450 #define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
452 struct f2fs_gc_range
{
458 struct f2fs_defragment
{
463 struct f2fs_move_range
{
464 u32 dst_fd
; /* destination fd */
465 u64 pos_in
; /* start position in src_fd */
466 u64 pos_out
; /* start position in dst_fd */
467 u64 len
; /* size to move */
470 struct f2fs_flush_device
{
471 u32 dev_num
; /* device number to flush */
472 u32 segments
; /* # of segments to flush */
475 /* for inline stuff */
476 #define DEF_INLINE_RESERVED_SIZE 1
477 static inline int get_extra_isize(struct inode
*inode
);
478 static inline int get_inline_xattr_addrs(struct inode
*inode
);
479 #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \
480 (CUR_ADDRS_PER_INODE(inode) - \
481 get_inline_xattr_addrs(inode) - \
482 DEF_INLINE_RESERVED_SIZE))
485 #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \
486 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
488 #define INLINE_DENTRY_BITMAP_SIZE(inode) \
489 DIV_ROUND_UP(NR_INLINE_DENTRY(inode), BITS_PER_BYTE)
490 #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \
491 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
492 NR_INLINE_DENTRY(inode) + \
493 INLINE_DENTRY_BITMAP_SIZE(inode)))
496 * For INODE and NODE manager
498 /* for directory operations */
499 struct f2fs_dentry_ptr
{
502 struct f2fs_dir_entry
*dentry
;
503 __u8 (*filename
)[F2FS_SLOT_LEN
];
508 static inline void make_dentry_ptr_block(struct inode
*inode
,
509 struct f2fs_dentry_ptr
*d
, struct f2fs_dentry_block
*t
)
512 d
->max
= NR_DENTRY_IN_BLOCK
;
513 d
->nr_bitmap
= SIZE_OF_DENTRY_BITMAP
;
514 d
->bitmap
= t
->dentry_bitmap
;
515 d
->dentry
= t
->dentry
;
516 d
->filename
= t
->filename
;
519 static inline void make_dentry_ptr_inline(struct inode
*inode
,
520 struct f2fs_dentry_ptr
*d
, void *t
)
522 int entry_cnt
= NR_INLINE_DENTRY(inode
);
523 int bitmap_size
= INLINE_DENTRY_BITMAP_SIZE(inode
);
524 int reserved_size
= INLINE_RESERVED_SIZE(inode
);
528 d
->nr_bitmap
= bitmap_size
;
530 d
->dentry
= t
+ bitmap_size
+ reserved_size
;
531 d
->filename
= t
+ bitmap_size
+ reserved_size
+
532 SIZE_OF_DIR_ENTRY
* entry_cnt
;
536 * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1
537 * as its node offset to distinguish from index node blocks.
538 * But some bits are used to mark the node block.
540 #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \
543 ALLOC_NODE
, /* allocate a new node page if needed */
544 LOOKUP_NODE
, /* look up a node without readahead */
546 * look up a node with readahead called
551 #define DEFAULT_RETRY_IO_COUNT 8 /* maximum retry read IO count */
553 /* maximum retry quota flush count */
554 #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8
556 #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */
558 #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */
560 /* for in-memory extent cache entry */
561 #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */
563 /* number of extent info in extent cache we try to shrink */
564 #define EXTENT_CACHE_SHRINK_NUMBER 128
567 struct rb_node rb_node
; /* rb node located in rb-tree */
568 unsigned int ofs
; /* start offset of the entry */
569 unsigned int len
; /* length of the entry */
573 unsigned int fofs
; /* start offset in a file */
574 unsigned int len
; /* length of the extent */
575 u32 blk
; /* start block address of the extent */
579 struct rb_node rb_node
; /* rb node located in rb-tree */
580 struct extent_info ei
; /* extent info */
581 struct list_head list
; /* node in global extent list of sbi */
582 struct extent_tree
*et
; /* extent tree pointer */
586 nid_t ino
; /* inode number */
587 struct rb_root_cached root
; /* root of extent info rb-tree */
588 struct extent_node
*cached_en
; /* recently accessed extent node */
589 struct extent_info largest
; /* largested extent info */
590 struct list_head list
; /* to be used by sbi->zombie_list */
591 rwlock_t lock
; /* protect extent info rb-tree */
592 atomic_t node_cnt
; /* # of extent node in rb-tree*/
593 bool largest_updated
; /* largest extent updated */
597 * This structure is taken from ext4_map_blocks.
599 * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks().
601 #define F2FS_MAP_NEW (1 << BH_New)
602 #define F2FS_MAP_MAPPED (1 << BH_Mapped)
603 #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten)
604 #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\
607 struct f2fs_map_blocks
{
611 unsigned int m_flags
;
612 pgoff_t
*m_next_pgofs
; /* point next possible non-hole pgofs */
613 pgoff_t
*m_next_extent
; /* point to next possible extent */
615 bool m_may_create
; /* indicate it is from write path */
618 /* for flag in get_data_block */
620 F2FS_GET_BLOCK_DEFAULT
,
621 F2FS_GET_BLOCK_FIEMAP
,
624 F2FS_GET_BLOCK_PRE_DIO
,
625 F2FS_GET_BLOCK_PRE_AIO
,
626 F2FS_GET_BLOCK_PRECACHE
,
630 * i_advise uses FADVISE_XXX_BIT. We can add additional hints later.
632 #define FADVISE_COLD_BIT 0x01
633 #define FADVISE_LOST_PINO_BIT 0x02
634 #define FADVISE_ENCRYPT_BIT 0x04
635 #define FADVISE_ENC_NAME_BIT 0x08
636 #define FADVISE_KEEP_SIZE_BIT 0x10
637 #define FADVISE_HOT_BIT 0x20
638 #define FADVISE_VERITY_BIT 0x40
640 #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT)
642 #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT)
643 #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
644 #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT)
645 #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
646 #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT)
647 #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT)
648 #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT)
649 #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT)
650 #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT)
651 #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT)
652 #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT)
653 #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT)
654 #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT)
655 #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT)
656 #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT)
657 #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT)
658 #define file_is_verity(inode) is_file(inode, FADVISE_VERITY_BIT)
659 #define file_set_verity(inode) set_file(inode, FADVISE_VERITY_BIT)
661 #define DEF_DIR_LEVEL 0
669 struct f2fs_inode_info
{
670 struct inode vfs_inode
; /* serve a vfs inode */
671 unsigned long i_flags
; /* keep an inode flags for ioctl */
672 unsigned char i_advise
; /* use to give file attribute hints */
673 unsigned char i_dir_level
; /* use for dentry level for large dir */
674 unsigned int i_current_depth
; /* only for directory depth */
675 /* for gc failure statistic */
676 unsigned int i_gc_failures
[MAX_GC_FAILURE
];
677 unsigned int i_pino
; /* parent inode number */
678 umode_t i_acl_mode
; /* keep file acl mode temporarily */
680 /* Use below internally in f2fs*/
681 unsigned long flags
; /* use to pass per-file flags */
682 struct rw_semaphore i_sem
; /* protect fi info */
683 atomic_t dirty_pages
; /* # of dirty pages */
684 f2fs_hash_t chash
; /* hash value of given file name */
685 unsigned int clevel
; /* maximum level of given file name */
686 struct task_struct
*task
; /* lookup and create consistency */
687 struct task_struct
*cp_task
; /* separate cp/wb IO stats*/
688 nid_t i_xattr_nid
; /* node id that contains xattrs */
689 loff_t last_disk_size
; /* lastly written file size */
692 struct dquot
*i_dquot
[MAXQUOTAS
];
694 /* quota space reservation, managed internally by quota code */
695 qsize_t i_reserved_quota
;
697 struct list_head dirty_list
; /* dirty list for dirs and files */
698 struct list_head gdirty_list
; /* linked in global dirty list */
699 struct list_head inmem_ilist
; /* list for inmem inodes */
700 struct list_head inmem_pages
; /* inmemory pages managed by f2fs */
701 struct task_struct
*inmem_task
; /* store inmemory task */
702 struct mutex inmem_lock
; /* lock for inmemory pages */
703 struct extent_tree
*extent_tree
; /* cached extent_tree entry */
705 /* avoid racing between foreground op and gc */
706 struct rw_semaphore i_gc_rwsem
[2];
707 struct rw_semaphore i_mmap_sem
;
708 struct rw_semaphore i_xattr_sem
; /* avoid racing between reading and changing EAs */
710 int i_extra_isize
; /* size of extra space located in i_addr */
711 kprojid_t i_projid
; /* id for project quota */
712 int i_inline_xattr_size
; /* inline xattr size */
713 struct timespec64 i_crtime
; /* inode creation time */
714 struct timespec64 i_disk_time
[4];/* inode disk times */
717 static inline void get_extent_info(struct extent_info
*ext
,
718 struct f2fs_extent
*i_ext
)
720 ext
->fofs
= le32_to_cpu(i_ext
->fofs
);
721 ext
->blk
= le32_to_cpu(i_ext
->blk
);
722 ext
->len
= le32_to_cpu(i_ext
->len
);
725 static inline void set_raw_extent(struct extent_info
*ext
,
726 struct f2fs_extent
*i_ext
)
728 i_ext
->fofs
= cpu_to_le32(ext
->fofs
);
729 i_ext
->blk
= cpu_to_le32(ext
->blk
);
730 i_ext
->len
= cpu_to_le32(ext
->len
);
733 static inline void set_extent_info(struct extent_info
*ei
, unsigned int fofs
,
734 u32 blk
, unsigned int len
)
741 static inline bool __is_discard_mergeable(struct discard_info
*back
,
742 struct discard_info
*front
, unsigned int max_len
)
744 return (back
->lstart
+ back
->len
== front
->lstart
) &&
745 (back
->len
+ front
->len
<= max_len
);
748 static inline bool __is_discard_back_mergeable(struct discard_info
*cur
,
749 struct discard_info
*back
, unsigned int max_len
)
751 return __is_discard_mergeable(back
, cur
, max_len
);
754 static inline bool __is_discard_front_mergeable(struct discard_info
*cur
,
755 struct discard_info
*front
, unsigned int max_len
)
757 return __is_discard_mergeable(cur
, front
, max_len
);
760 static inline bool __is_extent_mergeable(struct extent_info
*back
,
761 struct extent_info
*front
)
763 return (back
->fofs
+ back
->len
== front
->fofs
&&
764 back
->blk
+ back
->len
== front
->blk
);
767 static inline bool __is_back_mergeable(struct extent_info
*cur
,
768 struct extent_info
*back
)
770 return __is_extent_mergeable(back
, cur
);
773 static inline bool __is_front_mergeable(struct extent_info
*cur
,
774 struct extent_info
*front
)
776 return __is_extent_mergeable(cur
, front
);
779 extern void f2fs_mark_inode_dirty_sync(struct inode
*inode
, bool sync
);
780 static inline void __try_update_largest_extent(struct extent_tree
*et
,
781 struct extent_node
*en
)
783 if (en
->ei
.len
> et
->largest
.len
) {
784 et
->largest
= en
->ei
;
785 et
->largest_updated
= true;
790 * For free nid management
793 FREE_NID
, /* newly added to free nid list */
794 PREALLOC_NID
, /* it is preallocated */
798 struct f2fs_nm_info
{
799 block_t nat_blkaddr
; /* base disk address of NAT */
800 nid_t max_nid
; /* maximum possible node ids */
801 nid_t available_nids
; /* # of available node ids */
802 nid_t next_scan_nid
; /* the next nid to be scanned */
803 unsigned int ram_thresh
; /* control the memory footprint */
804 unsigned int ra_nid_pages
; /* # of nid pages to be readaheaded */
805 unsigned int dirty_nats_ratio
; /* control dirty nats ratio threshold */
807 /* NAT cache management */
808 struct radix_tree_root nat_root
;/* root of the nat entry cache */
809 struct radix_tree_root nat_set_root
;/* root of the nat set cache */
810 struct rw_semaphore nat_tree_lock
; /* protect nat_tree_lock */
811 struct list_head nat_entries
; /* cached nat entry list (clean) */
812 spinlock_t nat_list_lock
; /* protect clean nat entry list */
813 unsigned int nat_cnt
; /* the # of cached nat entries */
814 unsigned int dirty_nat_cnt
; /* total num of nat entries in set */
815 unsigned int nat_blocks
; /* # of nat blocks */
817 /* free node ids management */
818 struct radix_tree_root free_nid_root
;/* root of the free_nid cache */
819 struct list_head free_nid_list
; /* list for free nids excluding preallocated nids */
820 unsigned int nid_cnt
[MAX_NID_STATE
]; /* the number of free node id */
821 spinlock_t nid_list_lock
; /* protect nid lists ops */
822 struct mutex build_lock
; /* lock for build free nids */
823 unsigned char **free_nid_bitmap
;
824 unsigned char *nat_block_bitmap
;
825 unsigned short *free_nid_count
; /* free nid count of NAT block */
828 char *nat_bitmap
; /* NAT bitmap pointer */
830 unsigned int nat_bits_blocks
; /* # of nat bits blocks */
831 unsigned char *nat_bits
; /* NAT bits blocks */
832 unsigned char *full_nat_bits
; /* full NAT pages */
833 unsigned char *empty_nat_bits
; /* empty NAT pages */
834 #ifdef CONFIG_F2FS_CHECK_FS
835 char *nat_bitmap_mir
; /* NAT bitmap mirror */
837 int bitmap_size
; /* bitmap size */
841 * this structure is used as one of function parameters.
842 * all the information are dedicated to a given direct node block determined
843 * by the data offset in a file.
845 struct dnode_of_data
{
846 struct inode
*inode
; /* vfs inode pointer */
847 struct page
*inode_page
; /* its inode page, NULL is possible */
848 struct page
*node_page
; /* cached direct node page */
849 nid_t nid
; /* node id of the direct node block */
850 unsigned int ofs_in_node
; /* data offset in the node page */
851 bool inode_page_locked
; /* inode page is locked or not */
852 bool node_changed
; /* is node block changed */
853 char cur_level
; /* level of hole node page */
854 char max_level
; /* level of current page located */
855 block_t data_blkaddr
; /* block address of the node block */
858 static inline void set_new_dnode(struct dnode_of_data
*dn
, struct inode
*inode
,
859 struct page
*ipage
, struct page
*npage
, nid_t nid
)
861 memset(dn
, 0, sizeof(*dn
));
863 dn
->inode_page
= ipage
;
864 dn
->node_page
= npage
;
871 * By default, there are 6 active log areas across the whole main area.
872 * When considering hot and cold data separation to reduce cleaning overhead,
873 * we split 3 for data logs and 3 for node logs as hot, warm, and cold types,
875 * In the current design, you should not change the numbers intentionally.
876 * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6
877 * logs individually according to the underlying devices. (default: 6)
878 * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for
879 * data and 8 for node logs.
881 #define NR_CURSEG_DATA_TYPE (3)
882 #define NR_CURSEG_NODE_TYPE (3)
883 #define NR_CURSEG_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE)
886 CURSEG_HOT_DATA
= 0, /* directory entry blocks */
887 CURSEG_WARM_DATA
, /* data blocks */
888 CURSEG_COLD_DATA
, /* multimedia or GCed data blocks */
889 CURSEG_HOT_NODE
, /* direct node blocks of directory files */
890 CURSEG_WARM_NODE
, /* direct node blocks of normal files */
891 CURSEG_COLD_NODE
, /* indirect node blocks */
896 struct completion wait
;
897 struct llist_node llnode
;
902 struct flush_cmd_control
{
903 struct task_struct
*f2fs_issue_flush
; /* flush thread */
904 wait_queue_head_t flush_wait_queue
; /* waiting queue for wake-up */
905 atomic_t issued_flush
; /* # of issued flushes */
906 atomic_t queued_flush
; /* # of queued flushes */
907 struct llist_head issue_list
; /* list for command issue */
908 struct llist_node
*dispatch_list
; /* list for command dispatch */
911 struct f2fs_sm_info
{
912 struct sit_info
*sit_info
; /* whole segment information */
913 struct free_segmap_info
*free_info
; /* free segment information */
914 struct dirty_seglist_info
*dirty_info
; /* dirty segment information */
915 struct curseg_info
*curseg_array
; /* active segment information */
917 struct rw_semaphore curseg_lock
; /* for preventing curseg change */
919 block_t seg0_blkaddr
; /* block address of 0'th segment */
920 block_t main_blkaddr
; /* start block address of main area */
921 block_t ssa_blkaddr
; /* start block address of SSA area */
923 unsigned int segment_count
; /* total # of segments */
924 unsigned int main_segments
; /* # of segments in main area */
925 unsigned int reserved_segments
; /* # of reserved segments */
926 unsigned int ovp_segments
; /* # of overprovision segments */
928 /* a threshold to reclaim prefree segments */
929 unsigned int rec_prefree_segments
;
931 /* for batched trimming */
932 unsigned int trim_sections
; /* # of sections to trim */
934 struct list_head sit_entry_set
; /* sit entry set list */
936 unsigned int ipu_policy
; /* in-place-update policy */
937 unsigned int min_ipu_util
; /* in-place-update threshold */
938 unsigned int min_fsync_blocks
; /* threshold for fsync */
939 unsigned int min_seq_blocks
; /* threshold for sequential blocks */
940 unsigned int min_hot_blocks
; /* threshold for hot block allocation */
941 unsigned int min_ssr_sections
; /* threshold to trigger SSR allocation */
943 /* for flush command control */
944 struct flush_cmd_control
*fcc_info
;
946 /* for discard command control */
947 struct discard_cmd_control
*dcc_info
;
954 * COUNT_TYPE for monitoring
956 * f2fs monitors the number of several block types such as on-writeback,
957 * dirty dentry blocks, dirty node blocks, and dirty meta blocks.
959 #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA)
979 * The below are the page types of bios used in submit_bio().
980 * The available types are:
981 * DATA User data pages. It operates as async mode.
982 * NODE Node pages. It operates as async mode.
983 * META FS metadata pages such as SIT, NAT, CP.
984 * NR_PAGE_TYPE The number of page types.
985 * META_FLUSH Make sure the previous pages are written
986 * with waiting the bio's completion
987 * ... Only can be used with META.
989 #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type))
996 INMEM
, /* the below types are used by tracepoints only. */
1005 HOT
= 0, /* must be zero for meta bio */
1011 enum need_lock_type
{
1017 enum cp_reason_type
{
1031 APP_DIRECT_IO
, /* app direct IOs */
1032 APP_BUFFERED_IO
, /* app buffered IOs */
1033 APP_WRITE_IO
, /* app write IOs */
1034 APP_MAPPED_IO
, /* app mapped IOs */
1035 FS_DATA_IO
, /* data IOs from kworker/fsync/reclaimer */
1036 FS_NODE_IO
, /* node IOs from kworker/fsync/reclaimer */
1037 FS_META_IO
, /* meta IOs from kworker/reclaimer */
1038 FS_GC_DATA_IO
, /* data IOs from forground gc */
1039 FS_GC_NODE_IO
, /* node IOs from forground gc */
1040 FS_CP_DATA_IO
, /* data IOs from checkpoint */
1041 FS_CP_NODE_IO
, /* node IOs from checkpoint */
1042 FS_CP_META_IO
, /* meta IOs from checkpoint */
1043 FS_DISCARD
, /* discard */
1047 struct f2fs_io_info
{
1048 struct f2fs_sb_info
*sbi
; /* f2fs_sb_info pointer */
1049 nid_t ino
; /* inode number */
1050 enum page_type type
; /* contains DATA/NODE/META/META_FLUSH */
1051 enum temp_type temp
; /* contains HOT/WARM/COLD */
1052 int op
; /* contains REQ_OP_ */
1053 int op_flags
; /* req_flag_bits */
1054 block_t new_blkaddr
; /* new block address to be written */
1055 block_t old_blkaddr
; /* old block address before Cow */
1056 struct page
*page
; /* page to be written */
1057 struct page
*encrypted_page
; /* encrypted page */
1058 struct list_head list
; /* serialize IOs */
1059 bool submitted
; /* indicate IO submission */
1060 int need_lock
; /* indicate we need to lock cp_rwsem */
1061 bool in_list
; /* indicate fio is in io_list */
1062 bool is_por
; /* indicate IO is from recovery or not */
1063 bool retry
; /* need to reallocate block address */
1064 enum iostat_type io_type
; /* io type */
1065 struct writeback_control
*io_wbc
; /* writeback control */
1066 struct bio
**bio
; /* bio for ipu */
1067 sector_t
*last_block
; /* last block number in bio */
1068 unsigned char version
; /* version of the node */
1071 #define is_read_io(rw) ((rw) == READ)
1072 struct f2fs_bio_info
{
1073 struct f2fs_sb_info
*sbi
; /* f2fs superblock */
1074 struct bio
*bio
; /* bios to merge */
1075 sector_t last_block_in_bio
; /* last block number */
1076 struct f2fs_io_info fio
; /* store buffered io info. */
1077 struct rw_semaphore io_rwsem
; /* blocking op for bio */
1078 spinlock_t io_lock
; /* serialize DATA/NODE IOs */
1079 struct list_head io_list
; /* track fios */
1082 #define FDEV(i) (sbi->devs[i])
1083 #define RDEV(i) (raw_super->devs[i])
1084 struct f2fs_dev_info
{
1085 struct block_device
*bdev
;
1086 char path
[MAX_PATH_LEN
];
1087 unsigned int total_segments
;
1090 #ifdef CONFIG_BLK_DEV_ZONED
1091 unsigned int nr_blkz
; /* Total number of zones */
1092 unsigned long *blkz_seq
; /* Bitmap indicating sequential zones */
1097 DIR_INODE
, /* for dirty dir inode */
1098 FILE_INODE
, /* for dirty regular/symlink inode */
1099 DIRTY_META
, /* for all dirtied inode metadata */
1100 ATOMIC_FILE
, /* for all atomic files */
1104 /* for inner inode cache management */
1105 struct inode_management
{
1106 struct radix_tree_root ino_root
; /* ino entry array */
1107 spinlock_t ino_lock
; /* for ino entry lock */
1108 struct list_head ino_list
; /* inode list head */
1109 unsigned long ino_num
; /* number of entries */
1112 /* For s_flag in struct f2fs_sb_info */
1114 SBI_IS_DIRTY
, /* dirty flag for checkpoint */
1115 SBI_IS_CLOSE
, /* specify unmounting */
1116 SBI_NEED_FSCK
, /* need fsck.f2fs to fix */
1117 SBI_POR_DOING
, /* recovery is doing or not */
1118 SBI_NEED_SB_WRITE
, /* need to recover superblock */
1119 SBI_NEED_CP
, /* need to checkpoint */
1120 SBI_IS_SHUTDOWN
, /* shutdown by ioctl */
1121 SBI_IS_RECOVERED
, /* recovered orphan/data */
1122 SBI_CP_DISABLED
, /* CP was disabled last mount */
1123 SBI_CP_DISABLED_QUICK
, /* CP was disabled quickly */
1124 SBI_QUOTA_NEED_FLUSH
, /* need to flush quota info in CP */
1125 SBI_QUOTA_SKIP_FLUSH
, /* skip flushing quota in current CP */
1126 SBI_QUOTA_NEED_REPAIR
, /* quota file may be corrupted */
1127 SBI_IS_RESIZEFS
, /* resizefs is in process */
1136 UMOUNT_DISCARD_TIMEOUT
,
1148 WHINT_MODE_OFF
, /* not pass down write hints */
1149 WHINT_MODE_USER
, /* try to pass down hints given by users */
1150 WHINT_MODE_FS
, /* pass down hints with F2FS policy */
1154 ALLOC_MODE_DEFAULT
, /* stay default */
1155 ALLOC_MODE_REUSE
, /* reuse segments as much as possible */
1159 FSYNC_MODE_POSIX
, /* fsync follows posix semantics */
1160 FSYNC_MODE_STRICT
, /* fsync behaves in line with ext4 */
1161 FSYNC_MODE_NOBARRIER
, /* fsync behaves nobarrier based on posix */
1164 #ifdef CONFIG_FS_ENCRYPTION
1165 #define DUMMY_ENCRYPTION_ENABLED(sbi) \
1166 (unlikely(F2FS_OPTION(sbi).test_dummy_encryption))
1168 #define DUMMY_ENCRYPTION_ENABLED(sbi) (0)
1171 struct f2fs_sb_info
{
1172 struct super_block
*sb
; /* pointer to VFS super block */
1173 struct proc_dir_entry
*s_proc
; /* proc entry */
1174 struct f2fs_super_block
*raw_super
; /* raw super block pointer */
1175 struct rw_semaphore sb_lock
; /* lock for raw super block */
1176 int valid_super_block
; /* valid super block no */
1177 unsigned long s_flag
; /* flags for sbi */
1178 struct mutex writepages
; /* mutex for writepages() */
1179 #ifdef CONFIG_UNICODE
1180 struct unicode_map
*s_encoding
;
1181 __u16 s_encoding_flags
;
1184 #ifdef CONFIG_BLK_DEV_ZONED
1185 unsigned int blocks_per_blkz
; /* F2FS blocks per zone */
1186 unsigned int log_blocks_per_blkz
; /* log2 F2FS blocks per zone */
1189 /* for node-related operations */
1190 struct f2fs_nm_info
*nm_info
; /* node manager */
1191 struct inode
*node_inode
; /* cache node blocks */
1193 /* for segment-related operations */
1194 struct f2fs_sm_info
*sm_info
; /* segment manager */
1196 /* for bio operations */
1197 struct f2fs_bio_info
*write_io
[NR_PAGE_TYPE
]; /* for write bios */
1198 /* keep migration IO order for LFS mode */
1199 struct rw_semaphore io_order_lock
;
1200 mempool_t
*write_io_dummy
; /* Dummy pages */
1202 /* for checkpoint */
1203 struct f2fs_checkpoint
*ckpt
; /* raw checkpoint pointer */
1204 int cur_cp_pack
; /* remain current cp pack */
1205 spinlock_t cp_lock
; /* for flag in ckpt */
1206 struct inode
*meta_inode
; /* cache meta blocks */
1207 struct mutex cp_mutex
; /* checkpoint procedure lock */
1208 struct rw_semaphore cp_rwsem
; /* blocking FS operations */
1209 struct rw_semaphore node_write
; /* locking node writes */
1210 struct rw_semaphore node_change
; /* locking node change */
1211 wait_queue_head_t cp_wait
;
1212 unsigned long last_time
[MAX_TIME
]; /* to store time in jiffies */
1213 long interval_time
[MAX_TIME
]; /* to store thresholds */
1215 struct inode_management im
[MAX_INO_ENTRY
]; /* manage inode cache */
1217 spinlock_t fsync_node_lock
; /* for node entry lock */
1218 struct list_head fsync_node_list
; /* node list head */
1219 unsigned int fsync_seg_id
; /* sequence id */
1220 unsigned int fsync_node_num
; /* number of node entries */
1222 /* for orphan inode, use 0'th array */
1223 unsigned int max_orphans
; /* max orphan inodes */
1225 /* for inode management */
1226 struct list_head inode_list
[NR_INODE_TYPE
]; /* dirty inode list */
1227 spinlock_t inode_lock
[NR_INODE_TYPE
]; /* for dirty inode list lock */
1228 struct mutex flush_lock
; /* for flush exclusion */
1230 /* for extent tree cache */
1231 struct radix_tree_root extent_tree_root
;/* cache extent cache entries */
1232 struct mutex extent_tree_lock
; /* locking extent radix tree */
1233 struct list_head extent_list
; /* lru list for shrinker */
1234 spinlock_t extent_lock
; /* locking extent lru list */
1235 atomic_t total_ext_tree
; /* extent tree count */
1236 struct list_head zombie_list
; /* extent zombie tree list */
1237 atomic_t total_zombie_tree
; /* extent zombie tree count */
1238 atomic_t total_ext_node
; /* extent info count */
1240 /* basic filesystem units */
1241 unsigned int log_sectors_per_block
; /* log2 sectors per block */
1242 unsigned int log_blocksize
; /* log2 block size */
1243 unsigned int blocksize
; /* block size */
1244 unsigned int root_ino_num
; /* root inode number*/
1245 unsigned int node_ino_num
; /* node inode number*/
1246 unsigned int meta_ino_num
; /* meta inode number*/
1247 unsigned int log_blocks_per_seg
; /* log2 blocks per segment */
1248 unsigned int blocks_per_seg
; /* blocks per segment */
1249 unsigned int segs_per_sec
; /* segments per section */
1250 unsigned int secs_per_zone
; /* sections per zone */
1251 unsigned int total_sections
; /* total section count */
1252 struct mutex resize_mutex
; /* for resize exclusion */
1253 unsigned int total_node_count
; /* total node block count */
1254 unsigned int total_valid_node_count
; /* valid node block count */
1255 loff_t max_file_blocks
; /* max block index of file */
1256 int dir_level
; /* directory level */
1257 int readdir_ra
; /* readahead inode in readdir */
1259 block_t user_block_count
; /* # of user blocks */
1260 block_t total_valid_block_count
; /* # of valid blocks */
1261 block_t discard_blks
; /* discard command candidats */
1262 block_t last_valid_block_count
; /* for recovery */
1263 block_t reserved_blocks
; /* configurable reserved blocks */
1264 block_t current_reserved_blocks
; /* current reserved blocks */
1266 /* Additional tracking for no checkpoint mode */
1267 block_t unusable_block_count
; /* # of blocks saved by last cp */
1269 unsigned int nquota_files
; /* # of quota sysfile */
1270 struct rw_semaphore quota_sem
; /* blocking cp for flags */
1272 /* # of pages, see count_type */
1273 atomic_t nr_pages
[NR_COUNT_TYPE
];
1274 /* # of allocated blocks */
1275 struct percpu_counter alloc_valid_block_count
;
1277 /* writeback control */
1278 atomic_t wb_sync_req
[META
]; /* count # of WB_SYNC threads */
1280 /* valid inode count */
1281 struct percpu_counter total_valid_inode_count
;
1283 struct f2fs_mount_info mount_opt
; /* mount options */
1285 /* for cleaning operations */
1286 struct mutex gc_mutex
; /* mutex for GC */
1287 struct f2fs_gc_kthread
*gc_thread
; /* GC thread */
1288 unsigned int cur_victim_sec
; /* current victim section num */
1289 unsigned int gc_mode
; /* current GC state */
1290 unsigned int next_victim_seg
[2]; /* next segment in victim section */
1291 /* for skip statistic */
1292 unsigned long long skipped_atomic_files
[2]; /* FG_GC and BG_GC */
1293 unsigned long long skipped_gc_rwsem
; /* FG_GC only */
1295 /* threshold for gc trials on pinned files */
1296 u64 gc_pin_file_threshold
;
1298 /* maximum # of trials to find a victim segment for SSR and GC */
1299 unsigned int max_victim_search
;
1300 /* migration granularity of garbage collection, unit: segment */
1301 unsigned int migration_granularity
;
1304 * for stat information.
1305 * one is for the LFS mode, and the other is for the SSR mode.
1307 #ifdef CONFIG_F2FS_STAT_FS
1308 struct f2fs_stat_info
*stat_info
; /* FS status information */
1309 atomic_t meta_count
[META_MAX
]; /* # of meta blocks */
1310 unsigned int segment_count
[2]; /* # of allocated segments */
1311 unsigned int block_count
[2]; /* # of allocated blocks */
1312 atomic_t inplace_count
; /* # of inplace update */
1313 atomic64_t total_hit_ext
; /* # of lookup extent cache */
1314 atomic64_t read_hit_rbtree
; /* # of hit rbtree extent node */
1315 atomic64_t read_hit_largest
; /* # of hit largest extent node */
1316 atomic64_t read_hit_cached
; /* # of hit cached extent node */
1317 atomic_t inline_xattr
; /* # of inline_xattr inodes */
1318 atomic_t inline_inode
; /* # of inline_data inodes */
1319 atomic_t inline_dir
; /* # of inline_dentry inodes */
1320 atomic_t aw_cnt
; /* # of atomic writes */
1321 atomic_t vw_cnt
; /* # of volatile writes */
1322 atomic_t max_aw_cnt
; /* max # of atomic writes */
1323 atomic_t max_vw_cnt
; /* max # of volatile writes */
1324 int bg_gc
; /* background gc calls */
1325 unsigned int io_skip_bggc
; /* skip background gc for in-flight IO */
1326 unsigned int other_skip_bggc
; /* skip background gc for other reasons */
1327 unsigned int ndirty_inode
[NR_INODE_TYPE
]; /* # of dirty inodes */
1329 spinlock_t stat_lock
; /* lock for stat operations */
1331 /* For app/fs IO statistics */
1332 spinlock_t iostat_lock
;
1333 unsigned long long write_iostat
[NR_IO_TYPE
];
1336 /* For sysfs suppport */
1337 struct kobject s_kobj
;
1338 struct completion s_kobj_unregister
;
1340 /* For shrinker support */
1341 struct list_head s_list
;
1342 int s_ndevs
; /* number of devices */
1343 struct f2fs_dev_info
*devs
; /* for device list */
1344 unsigned int dirty_device
; /* for checkpoint data flush */
1345 spinlock_t dev_lock
; /* protect dirty_device */
1346 struct mutex umount_mutex
;
1347 unsigned int shrinker_run_no
;
1349 /* For write statistics */
1350 u64 sectors_written_start
;
1353 /* Reference to checksum algorithm driver via cryptoapi */
1354 struct crypto_shash
*s_chksum_driver
;
1356 /* Precomputed FS UUID checksum for seeding other checksums */
1357 __u32 s_chksum_seed
;
1360 struct f2fs_private_dio
{
1361 struct inode
*inode
;
1363 bio_end_io_t
*orig_end_io
;
1367 #ifdef CONFIG_F2FS_FAULT_INJECTION
1368 #define f2fs_show_injection_info(type) \
1369 printk_ratelimited("%sF2FS-fs : inject %s in %s of %pS\n", \
1370 KERN_INFO, f2fs_fault_name[type], \
1371 __func__, __builtin_return_address(0))
1372 static inline bool time_to_inject(struct f2fs_sb_info
*sbi
, int type
)
1374 struct f2fs_fault_info
*ffi
= &F2FS_OPTION(sbi
).fault_info
;
1376 if (!ffi
->inject_rate
)
1379 if (!IS_FAULT_SET(ffi
, type
))
1382 atomic_inc(&ffi
->inject_ops
);
1383 if (atomic_read(&ffi
->inject_ops
) >= ffi
->inject_rate
) {
1384 atomic_set(&ffi
->inject_ops
, 0);
1390 #define f2fs_show_injection_info(type) do { } while (0)
1391 static inline bool time_to_inject(struct f2fs_sb_info
*sbi
, int type
)
1398 * Test if the mounted volume is a multi-device volume.
1399 * - For a single regular disk volume, sbi->s_ndevs is 0.
1400 * - For a single zoned disk volume, sbi->s_ndevs is 1.
1401 * - For a multi-device volume, sbi->s_ndevs is always 2 or more.
1403 static inline bool f2fs_is_multi_device(struct f2fs_sb_info
*sbi
)
1405 return sbi
->s_ndevs
> 1;
1408 /* For write statistics. Suppose sector size is 512 bytes,
1409 * and the return value is in kbytes. s is of struct f2fs_sb_info.
1411 #define BD_PART_WRITTEN(s) \
1412 (((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[STAT_WRITE]) - \
1413 (s)->sectors_written_start) >> 1)
1415 static inline void f2fs_update_time(struct f2fs_sb_info
*sbi
, int type
)
1417 unsigned long now
= jiffies
;
1419 sbi
->last_time
[type
] = now
;
1421 /* DISCARD_TIME and GC_TIME are based on REQ_TIME */
1422 if (type
== REQ_TIME
) {
1423 sbi
->last_time
[DISCARD_TIME
] = now
;
1424 sbi
->last_time
[GC_TIME
] = now
;
1428 static inline bool f2fs_time_over(struct f2fs_sb_info
*sbi
, int type
)
1430 unsigned long interval
= sbi
->interval_time
[type
] * HZ
;
1432 return time_after(jiffies
, sbi
->last_time
[type
] + interval
);
1435 static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info
*sbi
,
1438 unsigned long interval
= sbi
->interval_time
[type
] * HZ
;
1439 unsigned int wait_ms
= 0;
1442 delta
= (sbi
->last_time
[type
] + interval
) - jiffies
;
1444 wait_ms
= jiffies_to_msecs(delta
);
1452 static inline u32
__f2fs_crc32(struct f2fs_sb_info
*sbi
, u32 crc
,
1453 const void *address
, unsigned int length
)
1456 struct shash_desc shash
;
1461 BUG_ON(crypto_shash_descsize(sbi
->s_chksum_driver
) != sizeof(desc
.ctx
));
1463 desc
.shash
.tfm
= sbi
->s_chksum_driver
;
1464 *(u32
*)desc
.ctx
= crc
;
1466 err
= crypto_shash_update(&desc
.shash
, address
, length
);
1469 return *(u32
*)desc
.ctx
;
1472 static inline u32
f2fs_crc32(struct f2fs_sb_info
*sbi
, const void *address
,
1473 unsigned int length
)
1475 return __f2fs_crc32(sbi
, F2FS_SUPER_MAGIC
, address
, length
);
1478 static inline bool f2fs_crc_valid(struct f2fs_sb_info
*sbi
, __u32 blk_crc
,
1479 void *buf
, size_t buf_size
)
1481 return f2fs_crc32(sbi
, buf
, buf_size
) == blk_crc
;
1484 static inline u32
f2fs_chksum(struct f2fs_sb_info
*sbi
, u32 crc
,
1485 const void *address
, unsigned int length
)
1487 return __f2fs_crc32(sbi
, crc
, address
, length
);
1490 static inline struct f2fs_inode_info
*F2FS_I(struct inode
*inode
)
1492 return container_of(inode
, struct f2fs_inode_info
, vfs_inode
);
1495 static inline struct f2fs_sb_info
*F2FS_SB(struct super_block
*sb
)
1497 return sb
->s_fs_info
;
1500 static inline struct f2fs_sb_info
*F2FS_I_SB(struct inode
*inode
)
1502 return F2FS_SB(inode
->i_sb
);
1505 static inline struct f2fs_sb_info
*F2FS_M_SB(struct address_space
*mapping
)
1507 return F2FS_I_SB(mapping
->host
);
1510 static inline struct f2fs_sb_info
*F2FS_P_SB(struct page
*page
)
1512 return F2FS_M_SB(page_file_mapping(page
));
1515 static inline struct f2fs_super_block
*F2FS_RAW_SUPER(struct f2fs_sb_info
*sbi
)
1517 return (struct f2fs_super_block
*)(sbi
->raw_super
);
1520 static inline struct f2fs_checkpoint
*F2FS_CKPT(struct f2fs_sb_info
*sbi
)
1522 return (struct f2fs_checkpoint
*)(sbi
->ckpt
);
1525 static inline struct f2fs_node
*F2FS_NODE(struct page
*page
)
1527 return (struct f2fs_node
*)page_address(page
);
1530 static inline struct f2fs_inode
*F2FS_INODE(struct page
*page
)
1532 return &((struct f2fs_node
*)page_address(page
))->i
;
1535 static inline struct f2fs_nm_info
*NM_I(struct f2fs_sb_info
*sbi
)
1537 return (struct f2fs_nm_info
*)(sbi
->nm_info
);
1540 static inline struct f2fs_sm_info
*SM_I(struct f2fs_sb_info
*sbi
)
1542 return (struct f2fs_sm_info
*)(sbi
->sm_info
);
1545 static inline struct sit_info
*SIT_I(struct f2fs_sb_info
*sbi
)
1547 return (struct sit_info
*)(SM_I(sbi
)->sit_info
);
1550 static inline struct free_segmap_info
*FREE_I(struct f2fs_sb_info
*sbi
)
1552 return (struct free_segmap_info
*)(SM_I(sbi
)->free_info
);
1555 static inline struct dirty_seglist_info
*DIRTY_I(struct f2fs_sb_info
*sbi
)
1557 return (struct dirty_seglist_info
*)(SM_I(sbi
)->dirty_info
);
1560 static inline struct address_space
*META_MAPPING(struct f2fs_sb_info
*sbi
)
1562 return sbi
->meta_inode
->i_mapping
;
1565 static inline struct address_space
*NODE_MAPPING(struct f2fs_sb_info
*sbi
)
1567 return sbi
->node_inode
->i_mapping
;
1570 static inline bool is_sbi_flag_set(struct f2fs_sb_info
*sbi
, unsigned int type
)
1572 return test_bit(type
, &sbi
->s_flag
);
1575 static inline void set_sbi_flag(struct f2fs_sb_info
*sbi
, unsigned int type
)
1577 set_bit(type
, &sbi
->s_flag
);
1580 static inline void clear_sbi_flag(struct f2fs_sb_info
*sbi
, unsigned int type
)
1582 clear_bit(type
, &sbi
->s_flag
);
1585 static inline unsigned long long cur_cp_version(struct f2fs_checkpoint
*cp
)
1587 return le64_to_cpu(cp
->checkpoint_ver
);
1590 static inline unsigned long f2fs_qf_ino(struct super_block
*sb
, int type
)
1592 if (type
< F2FS_MAX_QUOTAS
)
1593 return le32_to_cpu(F2FS_SB(sb
)->raw_super
->qf_ino
[type
]);
1597 static inline __u64
cur_cp_crc(struct f2fs_checkpoint
*cp
)
1599 size_t crc_offset
= le32_to_cpu(cp
->checksum_offset
);
1600 return le32_to_cpu(*((__le32
*)((unsigned char *)cp
+ crc_offset
)));
1603 static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1605 unsigned int ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1607 return ckpt_flags
& f
;
1610 static inline bool is_set_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1612 return __is_set_ckpt_flags(F2FS_CKPT(sbi
), f
);
1615 static inline void __set_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1617 unsigned int ckpt_flags
;
1619 ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1621 cp
->ckpt_flags
= cpu_to_le32(ckpt_flags
);
1624 static inline void set_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1626 unsigned long flags
;
1628 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1629 __set_ckpt_flags(F2FS_CKPT(sbi
), f
);
1630 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1633 static inline void __clear_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1635 unsigned int ckpt_flags
;
1637 ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1639 cp
->ckpt_flags
= cpu_to_le32(ckpt_flags
);
1642 static inline void clear_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1644 unsigned long flags
;
1646 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1647 __clear_ckpt_flags(F2FS_CKPT(sbi
), f
);
1648 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1651 static inline void disable_nat_bits(struct f2fs_sb_info
*sbi
, bool lock
)
1653 unsigned long flags
;
1654 unsigned char *nat_bits
;
1657 * In order to re-enable nat_bits we need to call fsck.f2fs by
1658 * set_sbi_flag(sbi, SBI_NEED_FSCK). But it may give huge cost,
1659 * so let's rely on regular fsck or unclean shutdown.
1663 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1664 __clear_ckpt_flags(F2FS_CKPT(sbi
), CP_NAT_BITS_FLAG
);
1665 nat_bits
= NM_I(sbi
)->nat_bits
;
1666 NM_I(sbi
)->nat_bits
= NULL
;
1668 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1673 static inline bool enabled_nat_bits(struct f2fs_sb_info
*sbi
,
1674 struct cp_control
*cpc
)
1676 bool set
= is_set_ckpt_flags(sbi
, CP_NAT_BITS_FLAG
);
1678 return (cpc
) ? (cpc
->reason
& CP_UMOUNT
) && set
: set
;
1681 static inline void f2fs_lock_op(struct f2fs_sb_info
*sbi
)
1683 down_read(&sbi
->cp_rwsem
);
1686 static inline int f2fs_trylock_op(struct f2fs_sb_info
*sbi
)
1688 return down_read_trylock(&sbi
->cp_rwsem
);
1691 static inline void f2fs_unlock_op(struct f2fs_sb_info
*sbi
)
1693 up_read(&sbi
->cp_rwsem
);
1696 static inline void f2fs_lock_all(struct f2fs_sb_info
*sbi
)
1698 down_write(&sbi
->cp_rwsem
);
1701 static inline void f2fs_unlock_all(struct f2fs_sb_info
*sbi
)
1703 up_write(&sbi
->cp_rwsem
);
1706 static inline int __get_cp_reason(struct f2fs_sb_info
*sbi
)
1708 int reason
= CP_SYNC
;
1710 if (test_opt(sbi
, FASTBOOT
))
1711 reason
= CP_FASTBOOT
;
1712 if (is_sbi_flag_set(sbi
, SBI_IS_CLOSE
))
1717 static inline bool __remain_node_summaries(int reason
)
1719 return (reason
& (CP_UMOUNT
| CP_FASTBOOT
));
1722 static inline bool __exist_node_summaries(struct f2fs_sb_info
*sbi
)
1724 return (is_set_ckpt_flags(sbi
, CP_UMOUNT_FLAG
) ||
1725 is_set_ckpt_flags(sbi
, CP_FASTBOOT_FLAG
));
1729 * Check whether the inode has blocks or not
1731 static inline int F2FS_HAS_BLOCKS(struct inode
*inode
)
1733 block_t xattr_block
= F2FS_I(inode
)->i_xattr_nid
? 1 : 0;
1735 return (inode
->i_blocks
>> F2FS_LOG_SECTORS_PER_BLOCK
) > xattr_block
;
1738 static inline bool f2fs_has_xattr_block(unsigned int ofs
)
1740 return ofs
== XATTR_NODE_OFFSET
;
1743 static inline bool __allow_reserved_blocks(struct f2fs_sb_info
*sbi
,
1744 struct inode
*inode
, bool cap
)
1748 if (!test_opt(sbi
, RESERVE_ROOT
))
1750 if (IS_NOQUOTA(inode
))
1752 if (uid_eq(F2FS_OPTION(sbi
).s_resuid
, current_fsuid()))
1754 if (!gid_eq(F2FS_OPTION(sbi
).s_resgid
, GLOBAL_ROOT_GID
) &&
1755 in_group_p(F2FS_OPTION(sbi
).s_resgid
))
1757 if (cap
&& capable(CAP_SYS_RESOURCE
))
1762 static inline void f2fs_i_blocks_write(struct inode
*, block_t
, bool, bool);
1763 static inline int inc_valid_block_count(struct f2fs_sb_info
*sbi
,
1764 struct inode
*inode
, blkcnt_t
*count
)
1766 blkcnt_t diff
= 0, release
= 0;
1767 block_t avail_user_block_count
;
1770 ret
= dquot_reserve_block(inode
, *count
);
1774 if (time_to_inject(sbi
, FAULT_BLOCK
)) {
1775 f2fs_show_injection_info(FAULT_BLOCK
);
1781 * let's increase this in prior to actual block count change in order
1782 * for f2fs_sync_file to avoid data races when deciding checkpoint.
1784 percpu_counter_add(&sbi
->alloc_valid_block_count
, (*count
));
1786 spin_lock(&sbi
->stat_lock
);
1787 sbi
->total_valid_block_count
+= (block_t
)(*count
);
1788 avail_user_block_count
= sbi
->user_block_count
-
1789 sbi
->current_reserved_blocks
;
1791 if (!__allow_reserved_blocks(sbi
, inode
, true))
1792 avail_user_block_count
-= F2FS_OPTION(sbi
).root_reserved_blocks
;
1793 if (unlikely(is_sbi_flag_set(sbi
, SBI_CP_DISABLED
))) {
1794 if (avail_user_block_count
> sbi
->unusable_block_count
)
1795 avail_user_block_count
-= sbi
->unusable_block_count
;
1797 avail_user_block_count
= 0;
1799 if (unlikely(sbi
->total_valid_block_count
> avail_user_block_count
)) {
1800 diff
= sbi
->total_valid_block_count
- avail_user_block_count
;
1805 sbi
->total_valid_block_count
-= diff
;
1807 spin_unlock(&sbi
->stat_lock
);
1811 spin_unlock(&sbi
->stat_lock
);
1813 if (unlikely(release
)) {
1814 percpu_counter_sub(&sbi
->alloc_valid_block_count
, release
);
1815 dquot_release_reservation_block(inode
, release
);
1817 f2fs_i_blocks_write(inode
, *count
, true, true);
1821 percpu_counter_sub(&sbi
->alloc_valid_block_count
, release
);
1823 dquot_release_reservation_block(inode
, release
);
1828 void f2fs_printk(struct f2fs_sb_info
*sbi
, const char *fmt
, ...);
1830 #define f2fs_err(sbi, fmt, ...) \
1831 f2fs_printk(sbi, KERN_ERR fmt, ##__VA_ARGS__)
1832 #define f2fs_warn(sbi, fmt, ...) \
1833 f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__)
1834 #define f2fs_notice(sbi, fmt, ...) \
1835 f2fs_printk(sbi, KERN_NOTICE fmt, ##__VA_ARGS__)
1836 #define f2fs_info(sbi, fmt, ...) \
1837 f2fs_printk(sbi, KERN_INFO fmt, ##__VA_ARGS__)
1838 #define f2fs_debug(sbi, fmt, ...) \
1839 f2fs_printk(sbi, KERN_DEBUG fmt, ##__VA_ARGS__)
1841 static inline void dec_valid_block_count(struct f2fs_sb_info
*sbi
,
1842 struct inode
*inode
,
1845 blkcnt_t sectors
= count
<< F2FS_LOG_SECTORS_PER_BLOCK
;
1847 spin_lock(&sbi
->stat_lock
);
1848 f2fs_bug_on(sbi
, sbi
->total_valid_block_count
< (block_t
) count
);
1849 sbi
->total_valid_block_count
-= (block_t
)count
;
1850 if (sbi
->reserved_blocks
&&
1851 sbi
->current_reserved_blocks
< sbi
->reserved_blocks
)
1852 sbi
->current_reserved_blocks
= min(sbi
->reserved_blocks
,
1853 sbi
->current_reserved_blocks
+ count
);
1854 spin_unlock(&sbi
->stat_lock
);
1855 if (unlikely(inode
->i_blocks
< sectors
)) {
1856 f2fs_warn(sbi
, "Inconsistent i_blocks, ino:%lu, iblocks:%llu, sectors:%llu",
1858 (unsigned long long)inode
->i_blocks
,
1859 (unsigned long long)sectors
);
1860 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
1863 f2fs_i_blocks_write(inode
, count
, false, true);
1866 static inline void inc_page_count(struct f2fs_sb_info
*sbi
, int count_type
)
1868 atomic_inc(&sbi
->nr_pages
[count_type
]);
1870 if (count_type
== F2FS_DIRTY_DENTS
||
1871 count_type
== F2FS_DIRTY_NODES
||
1872 count_type
== F2FS_DIRTY_META
||
1873 count_type
== F2FS_DIRTY_QDATA
||
1874 count_type
== F2FS_DIRTY_IMETA
)
1875 set_sbi_flag(sbi
, SBI_IS_DIRTY
);
1878 static inline void inode_inc_dirty_pages(struct inode
*inode
)
1880 atomic_inc(&F2FS_I(inode
)->dirty_pages
);
1881 inc_page_count(F2FS_I_SB(inode
), S_ISDIR(inode
->i_mode
) ?
1882 F2FS_DIRTY_DENTS
: F2FS_DIRTY_DATA
);
1883 if (IS_NOQUOTA(inode
))
1884 inc_page_count(F2FS_I_SB(inode
), F2FS_DIRTY_QDATA
);
1887 static inline void dec_page_count(struct f2fs_sb_info
*sbi
, int count_type
)
1889 atomic_dec(&sbi
->nr_pages
[count_type
]);
1892 static inline void inode_dec_dirty_pages(struct inode
*inode
)
1894 if (!S_ISDIR(inode
->i_mode
) && !S_ISREG(inode
->i_mode
) &&
1895 !S_ISLNK(inode
->i_mode
))
1898 atomic_dec(&F2FS_I(inode
)->dirty_pages
);
1899 dec_page_count(F2FS_I_SB(inode
), S_ISDIR(inode
->i_mode
) ?
1900 F2FS_DIRTY_DENTS
: F2FS_DIRTY_DATA
);
1901 if (IS_NOQUOTA(inode
))
1902 dec_page_count(F2FS_I_SB(inode
), F2FS_DIRTY_QDATA
);
1905 static inline s64
get_pages(struct f2fs_sb_info
*sbi
, int count_type
)
1907 return atomic_read(&sbi
->nr_pages
[count_type
]);
1910 static inline int get_dirty_pages(struct inode
*inode
)
1912 return atomic_read(&F2FS_I(inode
)->dirty_pages
);
1915 static inline int get_blocktype_secs(struct f2fs_sb_info
*sbi
, int block_type
)
1917 unsigned int pages_per_sec
= sbi
->segs_per_sec
* sbi
->blocks_per_seg
;
1918 unsigned int segs
= (get_pages(sbi
, block_type
) + pages_per_sec
- 1) >>
1919 sbi
->log_blocks_per_seg
;
1921 return segs
/ sbi
->segs_per_sec
;
1924 static inline block_t
valid_user_blocks(struct f2fs_sb_info
*sbi
)
1926 return sbi
->total_valid_block_count
;
1929 static inline block_t
discard_blocks(struct f2fs_sb_info
*sbi
)
1931 return sbi
->discard_blks
;
1934 static inline unsigned long __bitmap_size(struct f2fs_sb_info
*sbi
, int flag
)
1936 struct f2fs_checkpoint
*ckpt
= F2FS_CKPT(sbi
);
1938 /* return NAT or SIT bitmap */
1939 if (flag
== NAT_BITMAP
)
1940 return le32_to_cpu(ckpt
->nat_ver_bitmap_bytesize
);
1941 else if (flag
== SIT_BITMAP
)
1942 return le32_to_cpu(ckpt
->sit_ver_bitmap_bytesize
);
1947 static inline block_t
__cp_payload(struct f2fs_sb_info
*sbi
)
1949 return le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_payload
);
1952 static inline void *__bitmap_ptr(struct f2fs_sb_info
*sbi
, int flag
)
1954 struct f2fs_checkpoint
*ckpt
= F2FS_CKPT(sbi
);
1957 if (is_set_ckpt_flags(sbi
, CP_LARGE_NAT_BITMAP_FLAG
)) {
1958 offset
= (flag
== SIT_BITMAP
) ?
1959 le32_to_cpu(ckpt
->nat_ver_bitmap_bytesize
) : 0;
1961 * if large_nat_bitmap feature is enabled, leave checksum
1962 * protection for all nat/sit bitmaps.
1964 return &ckpt
->sit_nat_version_bitmap
+ offset
+ sizeof(__le32
);
1967 if (__cp_payload(sbi
) > 0) {
1968 if (flag
== NAT_BITMAP
)
1969 return &ckpt
->sit_nat_version_bitmap
;
1971 return (unsigned char *)ckpt
+ F2FS_BLKSIZE
;
1973 offset
= (flag
== NAT_BITMAP
) ?
1974 le32_to_cpu(ckpt
->sit_ver_bitmap_bytesize
) : 0;
1975 return &ckpt
->sit_nat_version_bitmap
+ offset
;
1979 static inline block_t
__start_cp_addr(struct f2fs_sb_info
*sbi
)
1981 block_t start_addr
= le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_blkaddr
);
1983 if (sbi
->cur_cp_pack
== 2)
1984 start_addr
+= sbi
->blocks_per_seg
;
1988 static inline block_t
__start_cp_next_addr(struct f2fs_sb_info
*sbi
)
1990 block_t start_addr
= le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_blkaddr
);
1992 if (sbi
->cur_cp_pack
== 1)
1993 start_addr
+= sbi
->blocks_per_seg
;
1997 static inline void __set_cp_next_pack(struct f2fs_sb_info
*sbi
)
1999 sbi
->cur_cp_pack
= (sbi
->cur_cp_pack
== 1) ? 2 : 1;
2002 static inline block_t
__start_sum_addr(struct f2fs_sb_info
*sbi
)
2004 return le32_to_cpu(F2FS_CKPT(sbi
)->cp_pack_start_sum
);
2007 static inline int inc_valid_node_count(struct f2fs_sb_info
*sbi
,
2008 struct inode
*inode
, bool is_inode
)
2010 block_t valid_block_count
;
2011 unsigned int valid_node_count
, user_block_count
;
2016 err
= dquot_alloc_inode(inode
);
2021 err
= dquot_reserve_block(inode
, 1);
2026 if (time_to_inject(sbi
, FAULT_BLOCK
)) {
2027 f2fs_show_injection_info(FAULT_BLOCK
);
2031 spin_lock(&sbi
->stat_lock
);
2033 valid_block_count
= sbi
->total_valid_block_count
+
2034 sbi
->current_reserved_blocks
+ 1;
2036 if (!__allow_reserved_blocks(sbi
, inode
, false))
2037 valid_block_count
+= F2FS_OPTION(sbi
).root_reserved_blocks
;
2038 user_block_count
= sbi
->user_block_count
;
2039 if (unlikely(is_sbi_flag_set(sbi
, SBI_CP_DISABLED
)))
2040 user_block_count
-= sbi
->unusable_block_count
;
2042 if (unlikely(valid_block_count
> user_block_count
)) {
2043 spin_unlock(&sbi
->stat_lock
);
2047 valid_node_count
= sbi
->total_valid_node_count
+ 1;
2048 if (unlikely(valid_node_count
> sbi
->total_node_count
)) {
2049 spin_unlock(&sbi
->stat_lock
);
2053 sbi
->total_valid_node_count
++;
2054 sbi
->total_valid_block_count
++;
2055 spin_unlock(&sbi
->stat_lock
);
2059 f2fs_mark_inode_dirty_sync(inode
, true);
2061 f2fs_i_blocks_write(inode
, 1, true, true);
2064 percpu_counter_inc(&sbi
->alloc_valid_block_count
);
2070 dquot_free_inode(inode
);
2072 dquot_release_reservation_block(inode
, 1);
2077 static inline void dec_valid_node_count(struct f2fs_sb_info
*sbi
,
2078 struct inode
*inode
, bool is_inode
)
2080 spin_lock(&sbi
->stat_lock
);
2082 f2fs_bug_on(sbi
, !sbi
->total_valid_block_count
);
2083 f2fs_bug_on(sbi
, !sbi
->total_valid_node_count
);
2085 sbi
->total_valid_node_count
--;
2086 sbi
->total_valid_block_count
--;
2087 if (sbi
->reserved_blocks
&&
2088 sbi
->current_reserved_blocks
< sbi
->reserved_blocks
)
2089 sbi
->current_reserved_blocks
++;
2091 spin_unlock(&sbi
->stat_lock
);
2094 dquot_free_inode(inode
);
2096 if (unlikely(inode
->i_blocks
== 0)) {
2097 f2fs_warn(sbi
, "Inconsistent i_blocks, ino:%lu, iblocks:%llu",
2099 (unsigned long long)inode
->i_blocks
);
2100 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
2103 f2fs_i_blocks_write(inode
, 1, false, true);
2107 static inline unsigned int valid_node_count(struct f2fs_sb_info
*sbi
)
2109 return sbi
->total_valid_node_count
;
2112 static inline void inc_valid_inode_count(struct f2fs_sb_info
*sbi
)
2114 percpu_counter_inc(&sbi
->total_valid_inode_count
);
2117 static inline void dec_valid_inode_count(struct f2fs_sb_info
*sbi
)
2119 percpu_counter_dec(&sbi
->total_valid_inode_count
);
2122 static inline s64
valid_inode_count(struct f2fs_sb_info
*sbi
)
2124 return percpu_counter_sum_positive(&sbi
->total_valid_inode_count
);
2127 static inline struct page
*f2fs_grab_cache_page(struct address_space
*mapping
,
2128 pgoff_t index
, bool for_write
)
2132 if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION
)) {
2134 page
= find_get_page_flags(mapping
, index
,
2135 FGP_LOCK
| FGP_ACCESSED
);
2137 page
= find_lock_page(mapping
, index
);
2141 if (time_to_inject(F2FS_M_SB(mapping
), FAULT_PAGE_ALLOC
)) {
2142 f2fs_show_injection_info(FAULT_PAGE_ALLOC
);
2148 return grab_cache_page(mapping
, index
);
2149 return grab_cache_page_write_begin(mapping
, index
, AOP_FLAG_NOFS
);
2152 static inline struct page
*f2fs_pagecache_get_page(
2153 struct address_space
*mapping
, pgoff_t index
,
2154 int fgp_flags
, gfp_t gfp_mask
)
2156 if (time_to_inject(F2FS_M_SB(mapping
), FAULT_PAGE_GET
)) {
2157 f2fs_show_injection_info(FAULT_PAGE_GET
);
2161 return pagecache_get_page(mapping
, index
, fgp_flags
, gfp_mask
);
2164 static inline void f2fs_copy_page(struct page
*src
, struct page
*dst
)
2166 char *src_kaddr
= kmap(src
);
2167 char *dst_kaddr
= kmap(dst
);
2169 memcpy(dst_kaddr
, src_kaddr
, PAGE_SIZE
);
2174 static inline void f2fs_put_page(struct page
*page
, int unlock
)
2180 f2fs_bug_on(F2FS_P_SB(page
), !PageLocked(page
));
2186 static inline void f2fs_put_dnode(struct dnode_of_data
*dn
)
2189 f2fs_put_page(dn
->node_page
, 1);
2190 if (dn
->inode_page
&& dn
->node_page
!= dn
->inode_page
)
2191 f2fs_put_page(dn
->inode_page
, 0);
2192 dn
->node_page
= NULL
;
2193 dn
->inode_page
= NULL
;
2196 static inline struct kmem_cache
*f2fs_kmem_cache_create(const char *name
,
2199 return kmem_cache_create(name
, size
, 0, SLAB_RECLAIM_ACCOUNT
, NULL
);
2202 static inline void *f2fs_kmem_cache_alloc(struct kmem_cache
*cachep
,
2207 entry
= kmem_cache_alloc(cachep
, flags
);
2209 entry
= kmem_cache_alloc(cachep
, flags
| __GFP_NOFAIL
);
2213 static inline struct bio
*f2fs_bio_alloc(struct f2fs_sb_info
*sbi
,
2214 int npages
, bool no_fail
)
2219 /* No failure on bio allocation */
2220 bio
= bio_alloc(GFP_NOIO
, npages
);
2222 bio
= bio_alloc(GFP_NOIO
| __GFP_NOFAIL
, npages
);
2225 if (time_to_inject(sbi
, FAULT_ALLOC_BIO
)) {
2226 f2fs_show_injection_info(FAULT_ALLOC_BIO
);
2230 return bio_alloc(GFP_KERNEL
, npages
);
2233 static inline bool is_idle(struct f2fs_sb_info
*sbi
, int type
)
2235 if (sbi
->gc_mode
== GC_URGENT
)
2238 if (get_pages(sbi
, F2FS_RD_DATA
) || get_pages(sbi
, F2FS_RD_NODE
) ||
2239 get_pages(sbi
, F2FS_RD_META
) || get_pages(sbi
, F2FS_WB_DATA
) ||
2240 get_pages(sbi
, F2FS_WB_CP_DATA
) ||
2241 get_pages(sbi
, F2FS_DIO_READ
) ||
2242 get_pages(sbi
, F2FS_DIO_WRITE
))
2245 if (type
!= DISCARD_TIME
&& SM_I(sbi
) && SM_I(sbi
)->dcc_info
&&
2246 atomic_read(&SM_I(sbi
)->dcc_info
->queued_discard
))
2249 if (SM_I(sbi
) && SM_I(sbi
)->fcc_info
&&
2250 atomic_read(&SM_I(sbi
)->fcc_info
->queued_flush
))
2253 return f2fs_time_over(sbi
, type
);
2256 static inline void f2fs_radix_tree_insert(struct radix_tree_root
*root
,
2257 unsigned long index
, void *item
)
2259 while (radix_tree_insert(root
, index
, item
))
2263 #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino)
2265 static inline bool IS_INODE(struct page
*page
)
2267 struct f2fs_node
*p
= F2FS_NODE(page
);
2269 return RAW_IS_INODE(p
);
2272 static inline int offset_in_addr(struct f2fs_inode
*i
)
2274 return (i
->i_inline
& F2FS_EXTRA_ATTR
) ?
2275 (le16_to_cpu(i
->i_extra_isize
) / sizeof(__le32
)) : 0;
2278 static inline __le32
*blkaddr_in_node(struct f2fs_node
*node
)
2280 return RAW_IS_INODE(node
) ? node
->i
.i_addr
: node
->dn
.addr
;
2283 static inline int f2fs_has_extra_attr(struct inode
*inode
);
2284 static inline block_t
datablock_addr(struct inode
*inode
,
2285 struct page
*node_page
, unsigned int offset
)
2287 struct f2fs_node
*raw_node
;
2290 bool is_inode
= IS_INODE(node_page
);
2292 raw_node
= F2FS_NODE(node_page
);
2294 /* from GC path only */
2297 base
= offset_in_addr(&raw_node
->i
);
2298 else if (f2fs_has_extra_attr(inode
))
2299 base
= get_extra_isize(inode
);
2302 addr_array
= blkaddr_in_node(raw_node
);
2303 return le32_to_cpu(addr_array
[base
+ offset
]);
2306 static inline int f2fs_test_bit(unsigned int nr
, char *addr
)
2311 mask
= 1 << (7 - (nr
& 0x07));
2312 return mask
& *addr
;
2315 static inline void f2fs_set_bit(unsigned int nr
, char *addr
)
2320 mask
= 1 << (7 - (nr
& 0x07));
2324 static inline void f2fs_clear_bit(unsigned int nr
, char *addr
)
2329 mask
= 1 << (7 - (nr
& 0x07));
2333 static inline int f2fs_test_and_set_bit(unsigned int nr
, char *addr
)
2339 mask
= 1 << (7 - (nr
& 0x07));
2345 static inline int f2fs_test_and_clear_bit(unsigned int nr
, char *addr
)
2351 mask
= 1 << (7 - (nr
& 0x07));
2357 static inline void f2fs_change_bit(unsigned int nr
, char *addr
)
2362 mask
= 1 << (7 - (nr
& 0x07));
2367 * On-disk inode flags (f2fs_inode::i_flags)
2369 #define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */
2370 #define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */
2371 #define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */
2372 #define F2FS_NODUMP_FL 0x00000040 /* do not dump file */
2373 #define F2FS_NOATIME_FL 0x00000080 /* do not update atime */
2374 #define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */
2375 #define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
2376 #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
2377 #define F2FS_CASEFOLD_FL 0x40000000 /* Casefolded file */
2379 /* Flags that should be inherited by new inodes from their parent. */
2380 #define F2FS_FL_INHERITED (F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL | \
2381 F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
2384 /* Flags that are appropriate for regular files (all but dir-specific ones). */
2385 #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
2388 /* Flags that are appropriate for non-directories/regular files. */
2389 #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL)
2391 static inline __u32
f2fs_mask_flags(umode_t mode
, __u32 flags
)
2395 else if (S_ISREG(mode
))
2396 return flags
& F2FS_REG_FLMASK
;
2398 return flags
& F2FS_OTHER_FLMASK
;
2401 /* used for f2fs_inode_info->flags */
2403 FI_NEW_INODE
, /* indicate newly allocated inode */
2404 FI_DIRTY_INODE
, /* indicate inode is dirty or not */
2405 FI_AUTO_RECOVER
, /* indicate inode is recoverable */
2406 FI_DIRTY_DIR
, /* indicate directory has dirty pages */
2407 FI_INC_LINK
, /* need to increment i_nlink */
2408 FI_ACL_MODE
, /* indicate acl mode */
2409 FI_NO_ALLOC
, /* should not allocate any blocks */
2410 FI_FREE_NID
, /* free allocated nide */
2411 FI_NO_EXTENT
, /* not to use the extent cache */
2412 FI_INLINE_XATTR
, /* used for inline xattr */
2413 FI_INLINE_DATA
, /* used for inline data*/
2414 FI_INLINE_DENTRY
, /* used for inline dentry */
2415 FI_APPEND_WRITE
, /* inode has appended data */
2416 FI_UPDATE_WRITE
, /* inode has in-place-update data */
2417 FI_NEED_IPU
, /* used for ipu per file */
2418 FI_ATOMIC_FILE
, /* indicate atomic file */
2419 FI_ATOMIC_COMMIT
, /* indicate the state of atomical committing */
2420 FI_VOLATILE_FILE
, /* indicate volatile file */
2421 FI_FIRST_BLOCK_WRITTEN
, /* indicate #0 data block was written */
2422 FI_DROP_CACHE
, /* drop dirty page cache */
2423 FI_DATA_EXIST
, /* indicate data exists */
2424 FI_INLINE_DOTS
, /* indicate inline dot dentries */
2425 FI_DO_DEFRAG
, /* indicate defragment is running */
2426 FI_DIRTY_FILE
, /* indicate regular/symlink has dirty pages */
2427 FI_NO_PREALLOC
, /* indicate skipped preallocated blocks */
2428 FI_HOT_DATA
, /* indicate file is hot */
2429 FI_EXTRA_ATTR
, /* indicate file has extra attribute */
2430 FI_PROJ_INHERIT
, /* indicate file inherits projectid */
2431 FI_PIN_FILE
, /* indicate file should not be gced */
2432 FI_ATOMIC_REVOKE_REQUEST
, /* request to drop atomic data */
2433 FI_VERITY_IN_PROGRESS
, /* building fs-verity Merkle tree */
2436 static inline void __mark_inode_dirty_flag(struct inode
*inode
,
2440 case FI_INLINE_XATTR
:
2441 case FI_INLINE_DATA
:
2442 case FI_INLINE_DENTRY
:
2448 case FI_INLINE_DOTS
:
2450 f2fs_mark_inode_dirty_sync(inode
, true);
2454 static inline void set_inode_flag(struct inode
*inode
, int flag
)
2456 if (!test_bit(flag
, &F2FS_I(inode
)->flags
))
2457 set_bit(flag
, &F2FS_I(inode
)->flags
);
2458 __mark_inode_dirty_flag(inode
, flag
, true);
2461 static inline int is_inode_flag_set(struct inode
*inode
, int flag
)
2463 return test_bit(flag
, &F2FS_I(inode
)->flags
);
2466 static inline void clear_inode_flag(struct inode
*inode
, int flag
)
2468 if (test_bit(flag
, &F2FS_I(inode
)->flags
))
2469 clear_bit(flag
, &F2FS_I(inode
)->flags
);
2470 __mark_inode_dirty_flag(inode
, flag
, false);
2473 static inline bool f2fs_verity_in_progress(struct inode
*inode
)
2475 return IS_ENABLED(CONFIG_FS_VERITY
) &&
2476 is_inode_flag_set(inode
, FI_VERITY_IN_PROGRESS
);
2479 static inline void set_acl_inode(struct inode
*inode
, umode_t mode
)
2481 F2FS_I(inode
)->i_acl_mode
= mode
;
2482 set_inode_flag(inode
, FI_ACL_MODE
);
2483 f2fs_mark_inode_dirty_sync(inode
, false);
2486 static inline void f2fs_i_links_write(struct inode
*inode
, bool inc
)
2492 f2fs_mark_inode_dirty_sync(inode
, true);
2495 static inline void f2fs_i_blocks_write(struct inode
*inode
,
2496 block_t diff
, bool add
, bool claim
)
2498 bool clean
= !is_inode_flag_set(inode
, FI_DIRTY_INODE
);
2499 bool recover
= is_inode_flag_set(inode
, FI_AUTO_RECOVER
);
2501 /* add = 1, claim = 1 should be dquot_reserve_block in pair */
2504 dquot_claim_block(inode
, diff
);
2506 dquot_alloc_block_nofail(inode
, diff
);
2508 dquot_free_block(inode
, diff
);
2511 f2fs_mark_inode_dirty_sync(inode
, true);
2512 if (clean
|| recover
)
2513 set_inode_flag(inode
, FI_AUTO_RECOVER
);
2516 static inline void f2fs_i_size_write(struct inode
*inode
, loff_t i_size
)
2518 bool clean
= !is_inode_flag_set(inode
, FI_DIRTY_INODE
);
2519 bool recover
= is_inode_flag_set(inode
, FI_AUTO_RECOVER
);
2521 if (i_size_read(inode
) == i_size
)
2524 i_size_write(inode
, i_size
);
2525 f2fs_mark_inode_dirty_sync(inode
, true);
2526 if (clean
|| recover
)
2527 set_inode_flag(inode
, FI_AUTO_RECOVER
);
2530 static inline void f2fs_i_depth_write(struct inode
*inode
, unsigned int depth
)
2532 F2FS_I(inode
)->i_current_depth
= depth
;
2533 f2fs_mark_inode_dirty_sync(inode
, true);
2536 static inline void f2fs_i_gc_failures_write(struct inode
*inode
,
2539 F2FS_I(inode
)->i_gc_failures
[GC_FAILURE_PIN
] = count
;
2540 f2fs_mark_inode_dirty_sync(inode
, true);
2543 static inline void f2fs_i_xnid_write(struct inode
*inode
, nid_t xnid
)
2545 F2FS_I(inode
)->i_xattr_nid
= xnid
;
2546 f2fs_mark_inode_dirty_sync(inode
, true);
2549 static inline void f2fs_i_pino_write(struct inode
*inode
, nid_t pino
)
2551 F2FS_I(inode
)->i_pino
= pino
;
2552 f2fs_mark_inode_dirty_sync(inode
, true);
2555 static inline void get_inline_info(struct inode
*inode
, struct f2fs_inode
*ri
)
2557 struct f2fs_inode_info
*fi
= F2FS_I(inode
);
2559 if (ri
->i_inline
& F2FS_INLINE_XATTR
)
2560 set_bit(FI_INLINE_XATTR
, &fi
->flags
);
2561 if (ri
->i_inline
& F2FS_INLINE_DATA
)
2562 set_bit(FI_INLINE_DATA
, &fi
->flags
);
2563 if (ri
->i_inline
& F2FS_INLINE_DENTRY
)
2564 set_bit(FI_INLINE_DENTRY
, &fi
->flags
);
2565 if (ri
->i_inline
& F2FS_DATA_EXIST
)
2566 set_bit(FI_DATA_EXIST
, &fi
->flags
);
2567 if (ri
->i_inline
& F2FS_INLINE_DOTS
)
2568 set_bit(FI_INLINE_DOTS
, &fi
->flags
);
2569 if (ri
->i_inline
& F2FS_EXTRA_ATTR
)
2570 set_bit(FI_EXTRA_ATTR
, &fi
->flags
);
2571 if (ri
->i_inline
& F2FS_PIN_FILE
)
2572 set_bit(FI_PIN_FILE
, &fi
->flags
);
2575 static inline void set_raw_inline(struct inode
*inode
, struct f2fs_inode
*ri
)
2579 if (is_inode_flag_set(inode
, FI_INLINE_XATTR
))
2580 ri
->i_inline
|= F2FS_INLINE_XATTR
;
2581 if (is_inode_flag_set(inode
, FI_INLINE_DATA
))
2582 ri
->i_inline
|= F2FS_INLINE_DATA
;
2583 if (is_inode_flag_set(inode
, FI_INLINE_DENTRY
))
2584 ri
->i_inline
|= F2FS_INLINE_DENTRY
;
2585 if (is_inode_flag_set(inode
, FI_DATA_EXIST
))
2586 ri
->i_inline
|= F2FS_DATA_EXIST
;
2587 if (is_inode_flag_set(inode
, FI_INLINE_DOTS
))
2588 ri
->i_inline
|= F2FS_INLINE_DOTS
;
2589 if (is_inode_flag_set(inode
, FI_EXTRA_ATTR
))
2590 ri
->i_inline
|= F2FS_EXTRA_ATTR
;
2591 if (is_inode_flag_set(inode
, FI_PIN_FILE
))
2592 ri
->i_inline
|= F2FS_PIN_FILE
;
2595 static inline int f2fs_has_extra_attr(struct inode
*inode
)
2597 return is_inode_flag_set(inode
, FI_EXTRA_ATTR
);
2600 static inline int f2fs_has_inline_xattr(struct inode
*inode
)
2602 return is_inode_flag_set(inode
, FI_INLINE_XATTR
);
2605 static inline unsigned int addrs_per_inode(struct inode
*inode
)
2607 unsigned int addrs
= CUR_ADDRS_PER_INODE(inode
) -
2608 get_inline_xattr_addrs(inode
);
2609 return ALIGN_DOWN(addrs
, 1);
2612 static inline unsigned int addrs_per_block(struct inode
*inode
)
2614 return ALIGN_DOWN(DEF_ADDRS_PER_BLOCK
, 1);
2617 static inline void *inline_xattr_addr(struct inode
*inode
, struct page
*page
)
2619 struct f2fs_inode
*ri
= F2FS_INODE(page
);
2621 return (void *)&(ri
->i_addr
[DEF_ADDRS_PER_INODE
-
2622 get_inline_xattr_addrs(inode
)]);
2625 static inline int inline_xattr_size(struct inode
*inode
)
2627 if (f2fs_has_inline_xattr(inode
))
2628 return get_inline_xattr_addrs(inode
) * sizeof(__le32
);
2632 static inline int f2fs_has_inline_data(struct inode
*inode
)
2634 return is_inode_flag_set(inode
, FI_INLINE_DATA
);
2637 static inline int f2fs_exist_data(struct inode
*inode
)
2639 return is_inode_flag_set(inode
, FI_DATA_EXIST
);
2642 static inline int f2fs_has_inline_dots(struct inode
*inode
)
2644 return is_inode_flag_set(inode
, FI_INLINE_DOTS
);
2647 static inline bool f2fs_is_pinned_file(struct inode
*inode
)
2649 return is_inode_flag_set(inode
, FI_PIN_FILE
);
2652 static inline bool f2fs_is_atomic_file(struct inode
*inode
)
2654 return is_inode_flag_set(inode
, FI_ATOMIC_FILE
);
2657 static inline bool f2fs_is_commit_atomic_write(struct inode
*inode
)
2659 return is_inode_flag_set(inode
, FI_ATOMIC_COMMIT
);
2662 static inline bool f2fs_is_volatile_file(struct inode
*inode
)
2664 return is_inode_flag_set(inode
, FI_VOLATILE_FILE
);
2667 static inline bool f2fs_is_first_block_written(struct inode
*inode
)
2669 return is_inode_flag_set(inode
, FI_FIRST_BLOCK_WRITTEN
);
2672 static inline bool f2fs_is_drop_cache(struct inode
*inode
)
2674 return is_inode_flag_set(inode
, FI_DROP_CACHE
);
2677 static inline void *inline_data_addr(struct inode
*inode
, struct page
*page
)
2679 struct f2fs_inode
*ri
= F2FS_INODE(page
);
2680 int extra_size
= get_extra_isize(inode
);
2682 return (void *)&(ri
->i_addr
[extra_size
+ DEF_INLINE_RESERVED_SIZE
]);
2685 static inline int f2fs_has_inline_dentry(struct inode
*inode
)
2687 return is_inode_flag_set(inode
, FI_INLINE_DENTRY
);
2690 static inline int is_file(struct inode
*inode
, int type
)
2692 return F2FS_I(inode
)->i_advise
& type
;
2695 static inline void set_file(struct inode
*inode
, int type
)
2697 F2FS_I(inode
)->i_advise
|= type
;
2698 f2fs_mark_inode_dirty_sync(inode
, true);
2701 static inline void clear_file(struct inode
*inode
, int type
)
2703 F2FS_I(inode
)->i_advise
&= ~type
;
2704 f2fs_mark_inode_dirty_sync(inode
, true);
2707 static inline bool f2fs_skip_inode_update(struct inode
*inode
, int dsync
)
2712 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
2714 spin_lock(&sbi
->inode_lock
[DIRTY_META
]);
2715 ret
= list_empty(&F2FS_I(inode
)->gdirty_list
);
2716 spin_unlock(&sbi
->inode_lock
[DIRTY_META
]);
2719 if (!is_inode_flag_set(inode
, FI_AUTO_RECOVER
) ||
2720 file_keep_isize(inode
) ||
2721 i_size_read(inode
) & ~PAGE_MASK
)
2724 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
, &inode
->i_atime
))
2726 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 1, &inode
->i_ctime
))
2728 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 2, &inode
->i_mtime
))
2730 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 3,
2731 &F2FS_I(inode
)->i_crtime
))
2734 down_read(&F2FS_I(inode
)->i_sem
);
2735 ret
= F2FS_I(inode
)->last_disk_size
== i_size_read(inode
);
2736 up_read(&F2FS_I(inode
)->i_sem
);
2741 static inline bool f2fs_readonly(struct super_block
*sb
)
2743 return sb_rdonly(sb
);
2746 static inline bool f2fs_cp_error(struct f2fs_sb_info
*sbi
)
2748 return is_set_ckpt_flags(sbi
, CP_ERROR_FLAG
);
2751 static inline bool is_dot_dotdot(const struct qstr
*str
)
2753 if (str
->len
== 1 && str
->name
[0] == '.')
2756 if (str
->len
== 2 && str
->name
[0] == '.' && str
->name
[1] == '.')
2762 static inline bool f2fs_may_extent_tree(struct inode
*inode
)
2764 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
2766 if (!test_opt(sbi
, EXTENT_CACHE
) ||
2767 is_inode_flag_set(inode
, FI_NO_EXTENT
))
2771 * for recovered files during mount do not create extents
2772 * if shrinker is not registered.
2774 if (list_empty(&sbi
->s_list
))
2777 return S_ISREG(inode
->i_mode
);
2780 static inline void *f2fs_kmalloc(struct f2fs_sb_info
*sbi
,
2781 size_t size
, gfp_t flags
)
2785 if (time_to_inject(sbi
, FAULT_KMALLOC
)) {
2786 f2fs_show_injection_info(FAULT_KMALLOC
);
2790 ret
= kmalloc(size
, flags
);
2794 return kvmalloc(size
, flags
);
2797 static inline void *f2fs_kzalloc(struct f2fs_sb_info
*sbi
,
2798 size_t size
, gfp_t flags
)
2800 return f2fs_kmalloc(sbi
, size
, flags
| __GFP_ZERO
);
2803 static inline void *f2fs_kvmalloc(struct f2fs_sb_info
*sbi
,
2804 size_t size
, gfp_t flags
)
2806 if (time_to_inject(sbi
, FAULT_KVMALLOC
)) {
2807 f2fs_show_injection_info(FAULT_KVMALLOC
);
2811 return kvmalloc(size
, flags
);
2814 static inline void *f2fs_kvzalloc(struct f2fs_sb_info
*sbi
,
2815 size_t size
, gfp_t flags
)
2817 return f2fs_kvmalloc(sbi
, size
, flags
| __GFP_ZERO
);
2820 static inline int get_extra_isize(struct inode
*inode
)
2822 return F2FS_I(inode
)->i_extra_isize
/ sizeof(__le32
);
2825 static inline int get_inline_xattr_addrs(struct inode
*inode
)
2827 return F2FS_I(inode
)->i_inline_xattr_size
;
2830 #define f2fs_get_inode_mode(i) \
2831 ((is_inode_flag_set(i, FI_ACL_MODE)) ? \
2832 (F2FS_I(i)->i_acl_mode) : ((i)->i_mode))
2834 #define F2FS_TOTAL_EXTRA_ATTR_SIZE \
2835 (offsetof(struct f2fs_inode, i_extra_end) - \
2836 offsetof(struct f2fs_inode, i_extra_isize)) \
2838 #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr))
2839 #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \
2840 ((offsetof(typeof(*(f2fs_inode)), field) + \
2841 sizeof((f2fs_inode)->field)) \
2842 <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \
2844 static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi)
2848 spin_lock(&sbi
->iostat_lock
);
2849 for (i
= 0; i
< NR_IO_TYPE
; i
++)
2850 sbi
->write_iostat
[i
] = 0;
2851 spin_unlock(&sbi
->iostat_lock
);
2854 static inline void f2fs_update_iostat(struct f2fs_sb_info
*sbi
,
2855 enum iostat_type type
, unsigned long long io_bytes
)
2857 if (!sbi
->iostat_enable
)
2859 spin_lock(&sbi
->iostat_lock
);
2860 sbi
->write_iostat
[type
] += io_bytes
;
2862 if (type
== APP_WRITE_IO
|| type
== APP_DIRECT_IO
)
2863 sbi
->write_iostat
[APP_BUFFERED_IO
] =
2864 sbi
->write_iostat
[APP_WRITE_IO
] -
2865 sbi
->write_iostat
[APP_DIRECT_IO
];
2866 spin_unlock(&sbi
->iostat_lock
);
2869 #define __is_large_section(sbi) ((sbi)->segs_per_sec > 1)
2871 #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META)
2873 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info
*sbi
,
2874 block_t blkaddr
, int type
);
2875 static inline void verify_blkaddr(struct f2fs_sb_info
*sbi
,
2876 block_t blkaddr
, int type
)
2878 if (!f2fs_is_valid_blkaddr(sbi
, blkaddr
, type
)) {
2879 f2fs_err(sbi
, "invalid blkaddr: %u, type: %d, run fsck to fix.",
2881 f2fs_bug_on(sbi
, 1);
2885 static inline bool __is_valid_data_blkaddr(block_t blkaddr
)
2887 if (blkaddr
== NEW_ADDR
|| blkaddr
== NULL_ADDR
)
2892 static inline void f2fs_set_page_private(struct page
*page
,
2895 if (PagePrivate(page
))
2899 SetPagePrivate(page
);
2900 set_page_private(page
, data
);
2903 static inline void f2fs_clear_page_private(struct page
*page
)
2905 if (!PagePrivate(page
))
2908 set_page_private(page
, 0);
2909 ClearPagePrivate(page
);
2910 f2fs_put_page(page
, 0);
2916 int f2fs_sync_file(struct file
*file
, loff_t start
, loff_t end
, int datasync
);
2917 void f2fs_truncate_data_blocks(struct dnode_of_data
*dn
);
2918 int f2fs_truncate_blocks(struct inode
*inode
, u64 from
, bool lock
);
2919 int f2fs_truncate(struct inode
*inode
);
2920 int f2fs_getattr(const struct path
*path
, struct kstat
*stat
,
2921 u32 request_mask
, unsigned int flags
);
2922 int f2fs_setattr(struct dentry
*dentry
, struct iattr
*attr
);
2923 int f2fs_truncate_hole(struct inode
*inode
, pgoff_t pg_start
, pgoff_t pg_end
);
2924 void f2fs_truncate_data_blocks_range(struct dnode_of_data
*dn
, int count
);
2925 int f2fs_precache_extents(struct inode
*inode
);
2926 long f2fs_ioctl(struct file
*filp
, unsigned int cmd
, unsigned long arg
);
2927 long f2fs_compat_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
);
2928 int f2fs_transfer_project_quota(struct inode
*inode
, kprojid_t kprojid
);
2929 int f2fs_pin_file_control(struct inode
*inode
, bool inc
);
2934 void f2fs_set_inode_flags(struct inode
*inode
);
2935 bool f2fs_inode_chksum_verify(struct f2fs_sb_info
*sbi
, struct page
*page
);
2936 void f2fs_inode_chksum_set(struct f2fs_sb_info
*sbi
, struct page
*page
);
2937 struct inode
*f2fs_iget(struct super_block
*sb
, unsigned long ino
);
2938 struct inode
*f2fs_iget_retry(struct super_block
*sb
, unsigned long ino
);
2939 int f2fs_try_to_free_nats(struct f2fs_sb_info
*sbi
, int nr_shrink
);
2940 void f2fs_update_inode(struct inode
*inode
, struct page
*node_page
);
2941 void f2fs_update_inode_page(struct inode
*inode
);
2942 int f2fs_write_inode(struct inode
*inode
, struct writeback_control
*wbc
);
2943 void f2fs_evict_inode(struct inode
*inode
);
2944 void f2fs_handle_failed_inode(struct inode
*inode
);
2949 int f2fs_update_extension_list(struct f2fs_sb_info
*sbi
, const char *name
,
2950 bool hot
, bool set
);
2951 struct dentry
*f2fs_get_parent(struct dentry
*child
);
2953 extern int f2fs_ci_compare(const struct inode
*parent
,
2954 const struct qstr
*name
,
2955 const struct qstr
*entry
,
2961 unsigned char f2fs_get_de_type(struct f2fs_dir_entry
*de
);
2962 struct f2fs_dir_entry
*f2fs_find_target_dentry(struct fscrypt_name
*fname
,
2963 f2fs_hash_t namehash
, int *max_slots
,
2964 struct f2fs_dentry_ptr
*d
);
2965 int f2fs_fill_dentries(struct dir_context
*ctx
, struct f2fs_dentry_ptr
*d
,
2966 unsigned int start_pos
, struct fscrypt_str
*fstr
);
2967 void f2fs_do_make_empty_dir(struct inode
*inode
, struct inode
*parent
,
2968 struct f2fs_dentry_ptr
*d
);
2969 struct page
*f2fs_init_inode_metadata(struct inode
*inode
, struct inode
*dir
,
2970 const struct qstr
*new_name
,
2971 const struct qstr
*orig_name
, struct page
*dpage
);
2972 void f2fs_update_parent_metadata(struct inode
*dir
, struct inode
*inode
,
2973 unsigned int current_depth
);
2974 int f2fs_room_for_filename(const void *bitmap
, int slots
, int max_slots
);
2975 void f2fs_drop_nlink(struct inode
*dir
, struct inode
*inode
);
2976 struct f2fs_dir_entry
*__f2fs_find_entry(struct inode
*dir
,
2977 struct fscrypt_name
*fname
, struct page
**res_page
);
2978 struct f2fs_dir_entry
*f2fs_find_entry(struct inode
*dir
,
2979 const struct qstr
*child
, struct page
**res_page
);
2980 struct f2fs_dir_entry
*f2fs_parent_dir(struct inode
*dir
, struct page
**p
);
2981 ino_t
f2fs_inode_by_name(struct inode
*dir
, const struct qstr
*qstr
,
2982 struct page
**page
);
2983 void f2fs_set_link(struct inode
*dir
, struct f2fs_dir_entry
*de
,
2984 struct page
*page
, struct inode
*inode
);
2985 void f2fs_update_dentry(nid_t ino
, umode_t mode
, struct f2fs_dentry_ptr
*d
,
2986 const struct qstr
*name
, f2fs_hash_t name_hash
,
2987 unsigned int bit_pos
);
2988 int f2fs_add_regular_entry(struct inode
*dir
, const struct qstr
*new_name
,
2989 const struct qstr
*orig_name
,
2990 struct inode
*inode
, nid_t ino
, umode_t mode
);
2991 int f2fs_add_dentry(struct inode
*dir
, struct fscrypt_name
*fname
,
2992 struct inode
*inode
, nid_t ino
, umode_t mode
);
2993 int f2fs_do_add_link(struct inode
*dir
, const struct qstr
*name
,
2994 struct inode
*inode
, nid_t ino
, umode_t mode
);
2995 void f2fs_delete_entry(struct f2fs_dir_entry
*dentry
, struct page
*page
,
2996 struct inode
*dir
, struct inode
*inode
);
2997 int f2fs_do_tmpfile(struct inode
*inode
, struct inode
*dir
);
2998 bool f2fs_empty_dir(struct inode
*dir
);
3000 static inline int f2fs_add_link(struct dentry
*dentry
, struct inode
*inode
)
3002 return f2fs_do_add_link(d_inode(dentry
->d_parent
), &dentry
->d_name
,
3003 inode
, inode
->i_ino
, inode
->i_mode
);
3009 int f2fs_inode_dirtied(struct inode
*inode
, bool sync
);
3010 void f2fs_inode_synced(struct inode
*inode
);
3011 int f2fs_enable_quota_files(struct f2fs_sb_info
*sbi
, bool rdonly
);
3012 int f2fs_quota_sync(struct super_block
*sb
, int type
);
3013 void f2fs_quota_off_umount(struct super_block
*sb
);
3014 int f2fs_commit_super(struct f2fs_sb_info
*sbi
, bool recover
);
3015 int f2fs_sync_fs(struct super_block
*sb
, int sync
);
3016 int f2fs_sanity_check_ckpt(struct f2fs_sb_info
*sbi
);
3021 f2fs_hash_t
f2fs_dentry_hash(const struct inode
*dir
,
3022 const struct qstr
*name_info
, struct fscrypt_name
*fname
);
3027 struct dnode_of_data
;
3030 int f2fs_check_nid_range(struct f2fs_sb_info
*sbi
, nid_t nid
);
3031 bool f2fs_available_free_memory(struct f2fs_sb_info
*sbi
, int type
);
3032 bool f2fs_in_warm_node_list(struct f2fs_sb_info
*sbi
, struct page
*page
);
3033 void f2fs_init_fsync_node_info(struct f2fs_sb_info
*sbi
);
3034 void f2fs_del_fsync_node_entry(struct f2fs_sb_info
*sbi
, struct page
*page
);
3035 void f2fs_reset_fsync_node_info(struct f2fs_sb_info
*sbi
);
3036 int f2fs_need_dentry_mark(struct f2fs_sb_info
*sbi
, nid_t nid
);
3037 bool f2fs_is_checkpointed_node(struct f2fs_sb_info
*sbi
, nid_t nid
);
3038 bool f2fs_need_inode_block_update(struct f2fs_sb_info
*sbi
, nid_t ino
);
3039 int f2fs_get_node_info(struct f2fs_sb_info
*sbi
, nid_t nid
,
3040 struct node_info
*ni
);
3041 pgoff_t
f2fs_get_next_page_offset(struct dnode_of_data
*dn
, pgoff_t pgofs
);
3042 int f2fs_get_dnode_of_data(struct dnode_of_data
*dn
, pgoff_t index
, int mode
);
3043 int f2fs_truncate_inode_blocks(struct inode
*inode
, pgoff_t from
);
3044 int f2fs_truncate_xattr_node(struct inode
*inode
);
3045 int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info
*sbi
,
3046 unsigned int seq_id
);
3047 int f2fs_remove_inode_page(struct inode
*inode
);
3048 struct page
*f2fs_new_inode_page(struct inode
*inode
);
3049 struct page
*f2fs_new_node_page(struct dnode_of_data
*dn
, unsigned int ofs
);
3050 void f2fs_ra_node_page(struct f2fs_sb_info
*sbi
, nid_t nid
);
3051 struct page
*f2fs_get_node_page(struct f2fs_sb_info
*sbi
, pgoff_t nid
);
3052 struct page
*f2fs_get_node_page_ra(struct page
*parent
, int start
);
3053 int f2fs_move_node_page(struct page
*node_page
, int gc_type
);
3054 int f2fs_fsync_node_pages(struct f2fs_sb_info
*sbi
, struct inode
*inode
,
3055 struct writeback_control
*wbc
, bool atomic
,
3056 unsigned int *seq_id
);
3057 int f2fs_sync_node_pages(struct f2fs_sb_info
*sbi
,
3058 struct writeback_control
*wbc
,
3059 bool do_balance
, enum iostat_type io_type
);
3060 int f2fs_build_free_nids(struct f2fs_sb_info
*sbi
, bool sync
, bool mount
);
3061 bool f2fs_alloc_nid(struct f2fs_sb_info
*sbi
, nid_t
*nid
);
3062 void f2fs_alloc_nid_done(struct f2fs_sb_info
*sbi
, nid_t nid
);
3063 void f2fs_alloc_nid_failed(struct f2fs_sb_info
*sbi
, nid_t nid
);
3064 int f2fs_try_to_free_nids(struct f2fs_sb_info
*sbi
, int nr_shrink
);
3065 void f2fs_recover_inline_xattr(struct inode
*inode
, struct page
*page
);
3066 int f2fs_recover_xattr_data(struct inode
*inode
, struct page
*page
);
3067 int f2fs_recover_inode_page(struct f2fs_sb_info
*sbi
, struct page
*page
);
3068 int f2fs_restore_node_summary(struct f2fs_sb_info
*sbi
,
3069 unsigned int segno
, struct f2fs_summary_block
*sum
);
3070 int f2fs_flush_nat_entries(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
3071 int f2fs_build_node_manager(struct f2fs_sb_info
*sbi
);
3072 void f2fs_destroy_node_manager(struct f2fs_sb_info
*sbi
);
3073 int __init
f2fs_create_node_manager_caches(void);
3074 void f2fs_destroy_node_manager_caches(void);
3079 bool f2fs_need_SSR(struct f2fs_sb_info
*sbi
);
3080 void f2fs_register_inmem_page(struct inode
*inode
, struct page
*page
);
3081 void f2fs_drop_inmem_pages_all(struct f2fs_sb_info
*sbi
, bool gc_failure
);
3082 void f2fs_drop_inmem_pages(struct inode
*inode
);
3083 void f2fs_drop_inmem_page(struct inode
*inode
, struct page
*page
);
3084 int f2fs_commit_inmem_pages(struct inode
*inode
);
3085 void f2fs_balance_fs(struct f2fs_sb_info
*sbi
, bool need
);
3086 void f2fs_balance_fs_bg(struct f2fs_sb_info
*sbi
);
3087 int f2fs_issue_flush(struct f2fs_sb_info
*sbi
, nid_t ino
);
3088 int f2fs_create_flush_cmd_control(struct f2fs_sb_info
*sbi
);
3089 int f2fs_flush_device_cache(struct f2fs_sb_info
*sbi
);
3090 void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info
*sbi
, bool free
);
3091 void f2fs_invalidate_blocks(struct f2fs_sb_info
*sbi
, block_t addr
);
3092 bool f2fs_is_checkpointed_data(struct f2fs_sb_info
*sbi
, block_t blkaddr
);
3093 void f2fs_drop_discard_cmd(struct f2fs_sb_info
*sbi
);
3094 void f2fs_stop_discard_thread(struct f2fs_sb_info
*sbi
);
3095 bool f2fs_issue_discard_timeout(struct f2fs_sb_info
*sbi
);
3096 void f2fs_clear_prefree_segments(struct f2fs_sb_info
*sbi
,
3097 struct cp_control
*cpc
);
3098 void f2fs_dirty_to_prefree(struct f2fs_sb_info
*sbi
);
3099 block_t
f2fs_get_unusable_blocks(struct f2fs_sb_info
*sbi
);
3100 int f2fs_disable_cp_again(struct f2fs_sb_info
*sbi
, block_t unusable
);
3101 void f2fs_release_discard_addrs(struct f2fs_sb_info
*sbi
);
3102 int f2fs_npages_for_summary_flush(struct f2fs_sb_info
*sbi
, bool for_ra
);
3103 void allocate_segment_for_resize(struct f2fs_sb_info
*sbi
, int type
,
3104 unsigned int start
, unsigned int end
);
3105 void f2fs_allocate_new_segments(struct f2fs_sb_info
*sbi
);
3106 int f2fs_trim_fs(struct f2fs_sb_info
*sbi
, struct fstrim_range
*range
);
3107 bool f2fs_exist_trim_candidates(struct f2fs_sb_info
*sbi
,
3108 struct cp_control
*cpc
);
3109 struct page
*f2fs_get_sum_page(struct f2fs_sb_info
*sbi
, unsigned int segno
);
3110 void f2fs_update_meta_page(struct f2fs_sb_info
*sbi
, void *src
,
3112 void f2fs_do_write_meta_page(struct f2fs_sb_info
*sbi
, struct page
*page
,
3113 enum iostat_type io_type
);
3114 void f2fs_do_write_node_page(unsigned int nid
, struct f2fs_io_info
*fio
);
3115 void f2fs_outplace_write_data(struct dnode_of_data
*dn
,
3116 struct f2fs_io_info
*fio
);
3117 int f2fs_inplace_write_data(struct f2fs_io_info
*fio
);
3118 void f2fs_do_replace_block(struct f2fs_sb_info
*sbi
, struct f2fs_summary
*sum
,
3119 block_t old_blkaddr
, block_t new_blkaddr
,
3120 bool recover_curseg
, bool recover_newaddr
);
3121 void f2fs_replace_block(struct f2fs_sb_info
*sbi
, struct dnode_of_data
*dn
,
3122 block_t old_addr
, block_t new_addr
,
3123 unsigned char version
, bool recover_curseg
,
3124 bool recover_newaddr
);
3125 void f2fs_allocate_data_block(struct f2fs_sb_info
*sbi
, struct page
*page
,
3126 block_t old_blkaddr
, block_t
*new_blkaddr
,
3127 struct f2fs_summary
*sum
, int type
,
3128 struct f2fs_io_info
*fio
, bool add_list
);
3129 void f2fs_wait_on_page_writeback(struct page
*page
,
3130 enum page_type type
, bool ordered
, bool locked
);
3131 void f2fs_wait_on_block_writeback(struct inode
*inode
, block_t blkaddr
);
3132 void f2fs_wait_on_block_writeback_range(struct inode
*inode
, block_t blkaddr
,
3134 void f2fs_write_data_summaries(struct f2fs_sb_info
*sbi
, block_t start_blk
);
3135 void f2fs_write_node_summaries(struct f2fs_sb_info
*sbi
, block_t start_blk
);
3136 int f2fs_lookup_journal_in_cursum(struct f2fs_journal
*journal
, int type
,
3137 unsigned int val
, int alloc
);
3138 void f2fs_flush_sit_entries(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
3139 int f2fs_build_segment_manager(struct f2fs_sb_info
*sbi
);
3140 void f2fs_destroy_segment_manager(struct f2fs_sb_info
*sbi
);
3141 int __init
f2fs_create_segment_manager_caches(void);
3142 void f2fs_destroy_segment_manager_caches(void);
3143 int f2fs_rw_hint_to_seg_type(enum rw_hint hint
);
3144 enum rw_hint
f2fs_io_type_to_rw_hint(struct f2fs_sb_info
*sbi
,
3145 enum page_type type
, enum temp_type temp
);
3150 void f2fs_stop_checkpoint(struct f2fs_sb_info
*sbi
, bool end_io
);
3151 struct page
*f2fs_grab_meta_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3152 struct page
*f2fs_get_meta_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3153 struct page
*f2fs_get_meta_page_nofail(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3154 struct page
*f2fs_get_tmp_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3155 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info
*sbi
,
3156 block_t blkaddr
, int type
);
3157 int f2fs_ra_meta_pages(struct f2fs_sb_info
*sbi
, block_t start
, int nrpages
,
3158 int type
, bool sync
);
3159 void f2fs_ra_meta_pages_cond(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3160 long f2fs_sync_meta_pages(struct f2fs_sb_info
*sbi
, enum page_type type
,
3161 long nr_to_write
, enum iostat_type io_type
);
3162 void f2fs_add_ino_entry(struct f2fs_sb_info
*sbi
, nid_t ino
, int type
);
3163 void f2fs_remove_ino_entry(struct f2fs_sb_info
*sbi
, nid_t ino
, int type
);
3164 void f2fs_release_ino_entry(struct f2fs_sb_info
*sbi
, bool all
);
3165 bool f2fs_exist_written_data(struct f2fs_sb_info
*sbi
, nid_t ino
, int mode
);
3166 void f2fs_set_dirty_device(struct f2fs_sb_info
*sbi
, nid_t ino
,
3167 unsigned int devidx
, int type
);
3168 bool f2fs_is_dirty_device(struct f2fs_sb_info
*sbi
, nid_t ino
,
3169 unsigned int devidx
, int type
);
3170 int f2fs_sync_inode_meta(struct f2fs_sb_info
*sbi
);
3171 int f2fs_acquire_orphan_inode(struct f2fs_sb_info
*sbi
);
3172 void f2fs_release_orphan_inode(struct f2fs_sb_info
*sbi
);
3173 void f2fs_add_orphan_inode(struct inode
*inode
);
3174 void f2fs_remove_orphan_inode(struct f2fs_sb_info
*sbi
, nid_t ino
);
3175 int f2fs_recover_orphan_inodes(struct f2fs_sb_info
*sbi
);
3176 int f2fs_get_valid_checkpoint(struct f2fs_sb_info
*sbi
);
3177 void f2fs_update_dirty_page(struct inode
*inode
, struct page
*page
);
3178 void f2fs_remove_dirty_inode(struct inode
*inode
);
3179 int f2fs_sync_dirty_inodes(struct f2fs_sb_info
*sbi
, enum inode_type type
);
3180 void f2fs_wait_on_all_pages_writeback(struct f2fs_sb_info
*sbi
);
3181 int f2fs_write_checkpoint(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
3182 void f2fs_init_ino_entry_info(struct f2fs_sb_info
*sbi
);
3183 int __init
f2fs_create_checkpoint_caches(void);
3184 void f2fs_destroy_checkpoint_caches(void);
3189 int f2fs_init_post_read_processing(void);
3190 void f2fs_destroy_post_read_processing(void);
3191 void f2fs_submit_merged_write(struct f2fs_sb_info
*sbi
, enum page_type type
);
3192 void f2fs_submit_merged_write_cond(struct f2fs_sb_info
*sbi
,
3193 struct inode
*inode
, struct page
*page
,
3194 nid_t ino
, enum page_type type
);
3195 void f2fs_flush_merged_writes(struct f2fs_sb_info
*sbi
);
3196 int f2fs_submit_page_bio(struct f2fs_io_info
*fio
);
3197 int f2fs_merge_page_bio(struct f2fs_io_info
*fio
);
3198 void f2fs_submit_page_write(struct f2fs_io_info
*fio
);
3199 struct block_device
*f2fs_target_device(struct f2fs_sb_info
*sbi
,
3200 block_t blk_addr
, struct bio
*bio
);
3201 int f2fs_target_device_index(struct f2fs_sb_info
*sbi
, block_t blkaddr
);
3202 void f2fs_set_data_blkaddr(struct dnode_of_data
*dn
);
3203 void f2fs_update_data_blkaddr(struct dnode_of_data
*dn
, block_t blkaddr
);
3204 int f2fs_reserve_new_blocks(struct dnode_of_data
*dn
, blkcnt_t count
);
3205 int f2fs_reserve_new_block(struct dnode_of_data
*dn
);
3206 int f2fs_get_block(struct dnode_of_data
*dn
, pgoff_t index
);
3207 int f2fs_preallocate_blocks(struct kiocb
*iocb
, struct iov_iter
*from
);
3208 int f2fs_reserve_block(struct dnode_of_data
*dn
, pgoff_t index
);
3209 struct page
*f2fs_get_read_data_page(struct inode
*inode
, pgoff_t index
,
3210 int op_flags
, bool for_write
);
3211 struct page
*f2fs_find_data_page(struct inode
*inode
, pgoff_t index
);
3212 struct page
*f2fs_get_lock_data_page(struct inode
*inode
, pgoff_t index
,
3214 struct page
*f2fs_get_new_data_page(struct inode
*inode
,
3215 struct page
*ipage
, pgoff_t index
, bool new_i_size
);
3216 int f2fs_do_write_data_page(struct f2fs_io_info
*fio
);
3217 void __do_map_lock(struct f2fs_sb_info
*sbi
, int flag
, bool lock
);
3218 int f2fs_map_blocks(struct inode
*inode
, struct f2fs_map_blocks
*map
,
3219 int create
, int flag
);
3220 int f2fs_fiemap(struct inode
*inode
, struct fiemap_extent_info
*fieinfo
,
3221 u64 start
, u64 len
);
3222 bool f2fs_should_update_inplace(struct inode
*inode
, struct f2fs_io_info
*fio
);
3223 bool f2fs_should_update_outplace(struct inode
*inode
, struct f2fs_io_info
*fio
);
3224 void f2fs_invalidate_page(struct page
*page
, unsigned int offset
,
3225 unsigned int length
);
3226 int f2fs_release_page(struct page
*page
, gfp_t wait
);
3227 #ifdef CONFIG_MIGRATION
3228 int f2fs_migrate_page(struct address_space
*mapping
, struct page
*newpage
,
3229 struct page
*page
, enum migrate_mode mode
);
3231 bool f2fs_overwrite_io(struct inode
*inode
, loff_t pos
, size_t len
);
3232 void f2fs_clear_page_cache_dirty_tag(struct page
*page
);
3237 int f2fs_start_gc_thread(struct f2fs_sb_info
*sbi
);
3238 void f2fs_stop_gc_thread(struct f2fs_sb_info
*sbi
);
3239 block_t
f2fs_start_bidx_of_node(unsigned int node_ofs
, struct inode
*inode
);
3240 int f2fs_gc(struct f2fs_sb_info
*sbi
, bool sync
, bool background
,
3241 unsigned int segno
);
3242 void f2fs_build_gc_manager(struct f2fs_sb_info
*sbi
);
3243 int f2fs_resize_fs(struct f2fs_sb_info
*sbi
, __u64 block_count
);
3248 int f2fs_recover_fsync_data(struct f2fs_sb_info
*sbi
, bool check_only
);
3249 bool f2fs_space_for_roll_forward(struct f2fs_sb_info
*sbi
);
3254 #ifdef CONFIG_F2FS_STAT_FS
3255 struct f2fs_stat_info
{
3256 struct list_head stat_list
;
3257 struct f2fs_sb_info
*sbi
;
3258 int all_area_segs
, sit_area_segs
, nat_area_segs
, ssa_area_segs
;
3259 int main_area_segs
, main_area_sections
, main_area_zones
;
3260 unsigned long long hit_largest
, hit_cached
, hit_rbtree
;
3261 unsigned long long hit_total
, total_ext
;
3262 int ext_tree
, zombie_tree
, ext_node
;
3263 int ndirty_node
, ndirty_dent
, ndirty_meta
, ndirty_imeta
;
3264 int ndirty_data
, ndirty_qdata
;
3266 unsigned int ndirty_dirs
, ndirty_files
, nquota_files
, ndirty_all
;
3267 int nats
, dirty_nats
, sits
, dirty_sits
;
3268 int free_nids
, avail_nids
, alloc_nids
;
3269 int total_count
, utilization
;
3270 int bg_gc
, nr_wb_cp_data
, nr_wb_data
;
3271 int nr_rd_data
, nr_rd_node
, nr_rd_meta
;
3272 int nr_dio_read
, nr_dio_write
;
3273 unsigned int io_skip_bggc
, other_skip_bggc
;
3274 int nr_flushing
, nr_flushed
, flush_list_empty
;
3275 int nr_discarding
, nr_discarded
;
3277 unsigned int undiscard_blks
;
3278 int inline_xattr
, inline_inode
, inline_dir
, append
, update
, orphans
;
3279 int aw_cnt
, max_aw_cnt
, vw_cnt
, max_vw_cnt
;
3280 unsigned int valid_count
, valid_node_count
, valid_inode_count
, discard_blks
;
3281 unsigned int bimodal
, avg_vblocks
;
3282 int util_free
, util_valid
, util_invalid
;
3283 int rsvd_segs
, overp_segs
;
3284 int dirty_count
, node_pages
, meta_pages
;
3285 int prefree_count
, call_count
, cp_count
, bg_cp_count
;
3286 int tot_segs
, node_segs
, data_segs
, free_segs
, free_secs
;
3287 int bg_node_segs
, bg_data_segs
;
3288 int tot_blks
, data_blks
, node_blks
;
3289 int bg_data_blks
, bg_node_blks
;
3290 unsigned long long skipped_atomic_files
[2];
3291 int curseg
[NR_CURSEG_TYPE
];
3292 int cursec
[NR_CURSEG_TYPE
];
3293 int curzone
[NR_CURSEG_TYPE
];
3295 unsigned int meta_count
[META_MAX
];
3296 unsigned int segment_count
[2];
3297 unsigned int block_count
[2];
3298 unsigned int inplace_count
;
3299 unsigned long long base_mem
, cache_mem
, page_mem
;
3302 static inline struct f2fs_stat_info
*F2FS_STAT(struct f2fs_sb_info
*sbi
)
3304 return (struct f2fs_stat_info
*)sbi
->stat_info
;
3307 #define stat_inc_cp_count(si) ((si)->cp_count++)
3308 #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++)
3309 #define stat_inc_call_count(si) ((si)->call_count++)
3310 #define stat_inc_bggc_count(sbi) ((sbi)->bg_gc++)
3311 #define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++)
3312 #define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++)
3313 #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++)
3314 #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--)
3315 #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext))
3316 #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree))
3317 #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest))
3318 #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached))
3319 #define stat_inc_inline_xattr(inode) \
3321 if (f2fs_has_inline_xattr(inode)) \
3322 (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \
3324 #define stat_dec_inline_xattr(inode) \
3326 if (f2fs_has_inline_xattr(inode)) \
3327 (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \
3329 #define stat_inc_inline_inode(inode) \
3331 if (f2fs_has_inline_data(inode)) \
3332 (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \
3334 #define stat_dec_inline_inode(inode) \
3336 if (f2fs_has_inline_data(inode)) \
3337 (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \
3339 #define stat_inc_inline_dir(inode) \
3341 if (f2fs_has_inline_dentry(inode)) \
3342 (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \
3344 #define stat_dec_inline_dir(inode) \
3346 if (f2fs_has_inline_dentry(inode)) \
3347 (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \
3349 #define stat_inc_meta_count(sbi, blkaddr) \
3351 if (blkaddr < SIT_I(sbi)->sit_base_addr) \
3352 atomic_inc(&(sbi)->meta_count[META_CP]); \
3353 else if (blkaddr < NM_I(sbi)->nat_blkaddr) \
3354 atomic_inc(&(sbi)->meta_count[META_SIT]); \
3355 else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \
3356 atomic_inc(&(sbi)->meta_count[META_NAT]); \
3357 else if (blkaddr < SM_I(sbi)->main_blkaddr) \
3358 atomic_inc(&(sbi)->meta_count[META_SSA]); \
3360 #define stat_inc_seg_type(sbi, curseg) \
3361 ((sbi)->segment_count[(curseg)->alloc_type]++)
3362 #define stat_inc_block_count(sbi, curseg) \
3363 ((sbi)->block_count[(curseg)->alloc_type]++)
3364 #define stat_inc_inplace_blocks(sbi) \
3365 (atomic_inc(&(sbi)->inplace_count))
3366 #define stat_inc_atomic_write(inode) \
3367 (atomic_inc(&F2FS_I_SB(inode)->aw_cnt))
3368 #define stat_dec_atomic_write(inode) \
3369 (atomic_dec(&F2FS_I_SB(inode)->aw_cnt))
3370 #define stat_update_max_atomic_write(inode) \
3372 int cur = atomic_read(&F2FS_I_SB(inode)->aw_cnt); \
3373 int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \
3375 atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \
3377 #define stat_inc_volatile_write(inode) \
3378 (atomic_inc(&F2FS_I_SB(inode)->vw_cnt))
3379 #define stat_dec_volatile_write(inode) \
3380 (atomic_dec(&F2FS_I_SB(inode)->vw_cnt))
3381 #define stat_update_max_volatile_write(inode) \
3383 int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \
3384 int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \
3386 atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \
3388 #define stat_inc_seg_count(sbi, type, gc_type) \
3390 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3392 if ((type) == SUM_TYPE_DATA) { \
3394 si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \
3397 si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \
3401 #define stat_inc_tot_blk_count(si, blks) \
3402 ((si)->tot_blks += (blks))
3404 #define stat_inc_data_blk_count(sbi, blks, gc_type) \
3406 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3407 stat_inc_tot_blk_count(si, blks); \
3408 si->data_blks += (blks); \
3409 si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3412 #define stat_inc_node_blk_count(sbi, blks, gc_type) \
3414 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3415 stat_inc_tot_blk_count(si, blks); \
3416 si->node_blks += (blks); \
3417 si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3420 int f2fs_build_stats(struct f2fs_sb_info
*sbi
);
3421 void f2fs_destroy_stats(struct f2fs_sb_info
*sbi
);
3422 void __init
f2fs_create_root_stats(void);
3423 void f2fs_destroy_root_stats(void);
3425 #define stat_inc_cp_count(si) do { } while (0)
3426 #define stat_inc_bg_cp_count(si) do { } while (0)
3427 #define stat_inc_call_count(si) do { } while (0)
3428 #define stat_inc_bggc_count(si) do { } while (0)
3429 #define stat_io_skip_bggc_count(sbi) do { } while (0)
3430 #define stat_other_skip_bggc_count(sbi) do { } while (0)
3431 #define stat_inc_dirty_inode(sbi, type) do { } while (0)
3432 #define stat_dec_dirty_inode(sbi, type) do { } while (0)
3433 #define stat_inc_total_hit(sb) do { } while (0)
3434 #define stat_inc_rbtree_node_hit(sb) do { } while (0)
3435 #define stat_inc_largest_node_hit(sbi) do { } while (0)
3436 #define stat_inc_cached_node_hit(sbi) do { } while (0)
3437 #define stat_inc_inline_xattr(inode) do { } while (0)
3438 #define stat_dec_inline_xattr(inode) do { } while (0)
3439 #define stat_inc_inline_inode(inode) do { } while (0)
3440 #define stat_dec_inline_inode(inode) do { } while (0)
3441 #define stat_inc_inline_dir(inode) do { } while (0)
3442 #define stat_dec_inline_dir(inode) do { } while (0)
3443 #define stat_inc_atomic_write(inode) do { } while (0)
3444 #define stat_dec_atomic_write(inode) do { } while (0)
3445 #define stat_update_max_atomic_write(inode) do { } while (0)
3446 #define stat_inc_volatile_write(inode) do { } while (0)
3447 #define stat_dec_volatile_write(inode) do { } while (0)
3448 #define stat_update_max_volatile_write(inode) do { } while (0)
3449 #define stat_inc_meta_count(sbi, blkaddr) do { } while (0)
3450 #define stat_inc_seg_type(sbi, curseg) do { } while (0)
3451 #define stat_inc_block_count(sbi, curseg) do { } while (0)
3452 #define stat_inc_inplace_blocks(sbi) do { } while (0)
3453 #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0)
3454 #define stat_inc_tot_blk_count(si, blks) do { } while (0)
3455 #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0)
3456 #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0)
3458 static inline int f2fs_build_stats(struct f2fs_sb_info
*sbi
) { return 0; }
3459 static inline void f2fs_destroy_stats(struct f2fs_sb_info
*sbi
) { }
3460 static inline void __init
f2fs_create_root_stats(void) { }
3461 static inline void f2fs_destroy_root_stats(void) { }
3464 extern const struct file_operations f2fs_dir_operations
;
3465 #ifdef CONFIG_UNICODE
3466 extern const struct dentry_operations f2fs_dentry_ops
;
3468 extern const struct file_operations f2fs_file_operations
;
3469 extern const struct inode_operations f2fs_file_inode_operations
;
3470 extern const struct address_space_operations f2fs_dblock_aops
;
3471 extern const struct address_space_operations f2fs_node_aops
;
3472 extern const struct address_space_operations f2fs_meta_aops
;
3473 extern const struct inode_operations f2fs_dir_inode_operations
;
3474 extern const struct inode_operations f2fs_symlink_inode_operations
;
3475 extern const struct inode_operations f2fs_encrypted_symlink_inode_operations
;
3476 extern const struct inode_operations f2fs_special_inode_operations
;
3477 extern struct kmem_cache
*f2fs_inode_entry_slab
;
3482 bool f2fs_may_inline_data(struct inode
*inode
);
3483 bool f2fs_may_inline_dentry(struct inode
*inode
);
3484 void f2fs_do_read_inline_data(struct page
*page
, struct page
*ipage
);
3485 void f2fs_truncate_inline_inode(struct inode
*inode
,
3486 struct page
*ipage
, u64 from
);
3487 int f2fs_read_inline_data(struct inode
*inode
, struct page
*page
);
3488 int f2fs_convert_inline_page(struct dnode_of_data
*dn
, struct page
*page
);
3489 int f2fs_convert_inline_inode(struct inode
*inode
);
3490 int f2fs_write_inline_data(struct inode
*inode
, struct page
*page
);
3491 bool f2fs_recover_inline_data(struct inode
*inode
, struct page
*npage
);
3492 struct f2fs_dir_entry
*f2fs_find_in_inline_dir(struct inode
*dir
,
3493 struct fscrypt_name
*fname
, struct page
**res_page
);
3494 int f2fs_make_empty_inline_dir(struct inode
*inode
, struct inode
*parent
,
3495 struct page
*ipage
);
3496 int f2fs_add_inline_entry(struct inode
*dir
, const struct qstr
*new_name
,
3497 const struct qstr
*orig_name
,
3498 struct inode
*inode
, nid_t ino
, umode_t mode
);
3499 void f2fs_delete_inline_entry(struct f2fs_dir_entry
*dentry
,
3500 struct page
*page
, struct inode
*dir
,
3501 struct inode
*inode
);
3502 bool f2fs_empty_inline_dir(struct inode
*dir
);
3503 int f2fs_read_inline_dir(struct file
*file
, struct dir_context
*ctx
,
3504 struct fscrypt_str
*fstr
);
3505 int f2fs_inline_data_fiemap(struct inode
*inode
,
3506 struct fiemap_extent_info
*fieinfo
,
3507 __u64 start
, __u64 len
);
3512 unsigned long f2fs_shrink_count(struct shrinker
*shrink
,
3513 struct shrink_control
*sc
);
3514 unsigned long f2fs_shrink_scan(struct shrinker
*shrink
,
3515 struct shrink_control
*sc
);
3516 void f2fs_join_shrinker(struct f2fs_sb_info
*sbi
);
3517 void f2fs_leave_shrinker(struct f2fs_sb_info
*sbi
);
3522 struct rb_entry
*f2fs_lookup_rb_tree(struct rb_root_cached
*root
,
3523 struct rb_entry
*cached_re
, unsigned int ofs
);
3524 struct rb_node
**f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info
*sbi
,
3525 struct rb_root_cached
*root
,
3526 struct rb_node
**parent
,
3527 unsigned int ofs
, bool *leftmost
);
3528 struct rb_entry
*f2fs_lookup_rb_tree_ret(struct rb_root_cached
*root
,
3529 struct rb_entry
*cached_re
, unsigned int ofs
,
3530 struct rb_entry
**prev_entry
, struct rb_entry
**next_entry
,
3531 struct rb_node
***insert_p
, struct rb_node
**insert_parent
,
3532 bool force
, bool *leftmost
);
3533 bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info
*sbi
,
3534 struct rb_root_cached
*root
);
3535 unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info
*sbi
, int nr_shrink
);
3536 bool f2fs_init_extent_tree(struct inode
*inode
, struct f2fs_extent
*i_ext
);
3537 void f2fs_drop_extent_tree(struct inode
*inode
);
3538 unsigned int f2fs_destroy_extent_node(struct inode
*inode
);
3539 void f2fs_destroy_extent_tree(struct inode
*inode
);
3540 bool f2fs_lookup_extent_cache(struct inode
*inode
, pgoff_t pgofs
,
3541 struct extent_info
*ei
);
3542 void f2fs_update_extent_cache(struct dnode_of_data
*dn
);
3543 void f2fs_update_extent_cache_range(struct dnode_of_data
*dn
,
3544 pgoff_t fofs
, block_t blkaddr
, unsigned int len
);
3545 void f2fs_init_extent_cache_info(struct f2fs_sb_info
*sbi
);
3546 int __init
f2fs_create_extent_cache(void);
3547 void f2fs_destroy_extent_cache(void);
3552 int __init
f2fs_init_sysfs(void);
3553 void f2fs_exit_sysfs(void);
3554 int f2fs_register_sysfs(struct f2fs_sb_info
*sbi
);
3555 void f2fs_unregister_sysfs(struct f2fs_sb_info
*sbi
);
3558 extern const struct fsverity_operations f2fs_verityops
;
3563 static inline bool f2fs_encrypted_file(struct inode
*inode
)
3565 return IS_ENCRYPTED(inode
) && S_ISREG(inode
->i_mode
);
3568 static inline void f2fs_set_encrypted_inode(struct inode
*inode
)
3570 #ifdef CONFIG_FS_ENCRYPTION
3571 file_set_encrypt(inode
);
3572 f2fs_set_inode_flags(inode
);
3577 * Returns true if the reads of the inode's data need to undergo some
3578 * postprocessing step, like decryption or authenticity verification.
3580 static inline bool f2fs_post_read_required(struct inode
*inode
)
3582 return f2fs_encrypted_file(inode
) || fsverity_active(inode
);
3585 #define F2FS_FEATURE_FUNCS(name, flagname) \
3586 static inline int f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \
3588 return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \
3591 F2FS_FEATURE_FUNCS(encrypt
, ENCRYPT
);
3592 F2FS_FEATURE_FUNCS(blkzoned
, BLKZONED
);
3593 F2FS_FEATURE_FUNCS(extra_attr
, EXTRA_ATTR
);
3594 F2FS_FEATURE_FUNCS(project_quota
, PRJQUOTA
);
3595 F2FS_FEATURE_FUNCS(inode_chksum
, INODE_CHKSUM
);
3596 F2FS_FEATURE_FUNCS(flexible_inline_xattr
, FLEXIBLE_INLINE_XATTR
);
3597 F2FS_FEATURE_FUNCS(quota_ino
, QUOTA_INO
);
3598 F2FS_FEATURE_FUNCS(inode_crtime
, INODE_CRTIME
);
3599 F2FS_FEATURE_FUNCS(lost_found
, LOST_FOUND
);
3600 F2FS_FEATURE_FUNCS(verity
, VERITY
);
3601 F2FS_FEATURE_FUNCS(sb_chksum
, SB_CHKSUM
);
3602 F2FS_FEATURE_FUNCS(casefold
, CASEFOLD
);
3604 #ifdef CONFIG_BLK_DEV_ZONED
3605 static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info
*sbi
, int devi
,
3608 unsigned int zno
= blkaddr
>> sbi
->log_blocks_per_blkz
;
3610 return test_bit(zno
, FDEV(devi
).blkz_seq
);
3614 static inline bool f2fs_hw_should_discard(struct f2fs_sb_info
*sbi
)
3616 return f2fs_sb_has_blkzoned(sbi
);
3619 static inline bool f2fs_bdev_support_discard(struct block_device
*bdev
)
3621 return blk_queue_discard(bdev_get_queue(bdev
)) ||
3622 bdev_is_zoned(bdev
);
3625 static inline bool f2fs_hw_support_discard(struct f2fs_sb_info
*sbi
)
3629 if (!f2fs_is_multi_device(sbi
))
3630 return f2fs_bdev_support_discard(sbi
->sb
->s_bdev
);
3632 for (i
= 0; i
< sbi
->s_ndevs
; i
++)
3633 if (f2fs_bdev_support_discard(FDEV(i
).bdev
))
3638 static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info
*sbi
)
3640 return (test_opt(sbi
, DISCARD
) && f2fs_hw_support_discard(sbi
)) ||
3641 f2fs_hw_should_discard(sbi
);
3644 static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info
*sbi
)
3648 if (!f2fs_is_multi_device(sbi
))
3649 return bdev_read_only(sbi
->sb
->s_bdev
);
3651 for (i
= 0; i
< sbi
->s_ndevs
; i
++)
3652 if (bdev_read_only(FDEV(i
).bdev
))
3658 static inline void set_opt_mode(struct f2fs_sb_info
*sbi
, unsigned int mt
)
3660 clear_opt(sbi
, ADAPTIVE
);
3661 clear_opt(sbi
, LFS
);
3664 case F2FS_MOUNT_ADAPTIVE
:
3665 set_opt(sbi
, ADAPTIVE
);
3667 case F2FS_MOUNT_LFS
:
3673 static inline bool f2fs_may_encrypt(struct inode
*inode
)
3675 #ifdef CONFIG_FS_ENCRYPTION
3676 umode_t mode
= inode
->i_mode
;
3678 return (S_ISREG(mode
) || S_ISDIR(mode
) || S_ISLNK(mode
));
3684 static inline int block_unaligned_IO(struct inode
*inode
,
3685 struct kiocb
*iocb
, struct iov_iter
*iter
)
3687 unsigned int i_blkbits
= READ_ONCE(inode
->i_blkbits
);
3688 unsigned int blocksize_mask
= (1 << i_blkbits
) - 1;
3689 loff_t offset
= iocb
->ki_pos
;
3690 unsigned long align
= offset
| iov_iter_alignment(iter
);
3692 return align
& blocksize_mask
;
3695 static inline int allow_outplace_dio(struct inode
*inode
,
3696 struct kiocb
*iocb
, struct iov_iter
*iter
)
3698 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
3699 int rw
= iov_iter_rw(iter
);
3701 return (test_opt(sbi
, LFS
) && (rw
== WRITE
) &&
3702 !block_unaligned_IO(inode
, iocb
, iter
));
3705 static inline bool f2fs_force_buffered_io(struct inode
*inode
,
3706 struct kiocb
*iocb
, struct iov_iter
*iter
)
3708 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
3709 int rw
= iov_iter_rw(iter
);
3711 if (f2fs_post_read_required(inode
))
3713 if (f2fs_is_multi_device(sbi
))
3716 * for blkzoned device, fallback direct IO to buffered IO, so
3717 * all IOs can be serialized by log-structured write.
3719 if (f2fs_sb_has_blkzoned(sbi
))
3721 if (test_opt(sbi
, LFS
) && (rw
== WRITE
)) {
3722 if (block_unaligned_IO(inode
, iocb
, iter
))
3724 if (F2FS_IO_ALIGNED(sbi
))
3727 if (is_sbi_flag_set(F2FS_I_SB(inode
), SBI_CP_DISABLED
) &&
3728 !IS_SWAPFILE(inode
))
3734 #ifdef CONFIG_F2FS_FAULT_INJECTION
3735 extern void f2fs_build_fault_attr(struct f2fs_sb_info
*sbi
, unsigned int rate
,
3738 #define f2fs_build_fault_attr(sbi, rate, type) do { } while (0)
3741 static inline bool is_journalled_quota(struct f2fs_sb_info
*sbi
)
3744 if (f2fs_sb_has_quota_ino(sbi
))
3746 if (F2FS_OPTION(sbi
).s_qf_names
[USRQUOTA
] ||
3747 F2FS_OPTION(sbi
).s_qf_names
[GRPQUOTA
] ||
3748 F2FS_OPTION(sbi
).s_qf_names
[PRJQUOTA
])
3754 #define EFSBADCRC EBADMSG /* Bad CRC detected */
3755 #define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */
3757 #endif /* _LINUX_F2FS_H */