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 #define __FS_HAS_ENCRYPTION IS_ENABLED(CONFIG_F2FS_FS_ENCRYPTION)
28 #include <linux/fscrypt.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 */
142 #define F2FS_FEATURE_ENCRYPT 0x0001
143 #define F2FS_FEATURE_BLKZONED 0x0002
144 #define F2FS_FEATURE_ATOMIC_WRITE 0x0004
145 #define F2FS_FEATURE_EXTRA_ATTR 0x0008
146 #define F2FS_FEATURE_PRJQUOTA 0x0010
147 #define F2FS_FEATURE_INODE_CHKSUM 0x0020
148 #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040
149 #define F2FS_FEATURE_QUOTA_INO 0x0080
150 #define F2FS_FEATURE_INODE_CRTIME 0x0100
151 #define F2FS_FEATURE_LOST_FOUND 0x0200
152 #define F2FS_FEATURE_VERITY 0x0400 /* reserved */
153 #define F2FS_FEATURE_SB_CHKSUM 0x0800
155 #define __F2FS_HAS_FEATURE(raw_super, mask) \
156 ((raw_super->feature & cpu_to_le32(mask)) != 0)
157 #define F2FS_HAS_FEATURE(sbi, mask) __F2FS_HAS_FEATURE(sbi->raw_super, mask)
158 #define F2FS_SET_FEATURE(sbi, mask) \
159 (sbi->raw_super->feature |= cpu_to_le32(mask))
160 #define F2FS_CLEAR_FEATURE(sbi, mask) \
161 (sbi->raw_super->feature &= ~cpu_to_le32(mask))
164 * Default values for user and/or group using reserved blocks
166 #define F2FS_DEF_RESUID 0
167 #define F2FS_DEF_RESGID 0
170 * For checkpoint manager
177 #define CP_UMOUNT 0x00000001
178 #define CP_FASTBOOT 0x00000002
179 #define CP_SYNC 0x00000004
180 #define CP_RECOVERY 0x00000008
181 #define CP_DISCARD 0x00000010
182 #define CP_TRIMMED 0x00000020
183 #define CP_PAUSE 0x00000040
185 #define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi)
186 #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */
187 #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */
188 #define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */
189 #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */
190 #define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */
191 #define DEF_CP_INTERVAL 60 /* 60 secs */
192 #define DEF_IDLE_INTERVAL 5 /* 5 secs */
193 #define DEF_DISABLE_INTERVAL 5 /* 5 secs */
203 * indicate meta/data type
216 /* for the list of ino */
218 ORPHAN_INO
, /* for orphan ino list */
219 APPEND_INO
, /* for append ino list */
220 UPDATE_INO
, /* for update ino list */
221 TRANS_DIR_INO
, /* for trasactions dir ino list */
222 FLUSH_INO
, /* for multiple device flushing */
223 MAX_INO_ENTRY
, /* max. list */
227 struct list_head list
; /* list head */
228 nid_t ino
; /* inode number */
229 unsigned int dirty_device
; /* dirty device bitmap */
232 /* for the list of inodes to be GCed */
234 struct list_head list
; /* list head */
235 struct inode
*inode
; /* vfs inode pointer */
238 struct fsync_node_entry
{
239 struct list_head list
; /* list head */
240 struct page
*page
; /* warm node page pointer */
241 unsigned int seq_id
; /* sequence id */
244 /* for the bitmap indicate blocks to be discarded */
245 struct discard_entry
{
246 struct list_head list
; /* list head */
247 block_t start_blkaddr
; /* start blockaddr of current segment */
248 unsigned char discard_map
[SIT_VBLOCK_MAP_SIZE
]; /* segment discard bitmap */
251 /* default discard granularity of inner discard thread, unit: block count */
252 #define DEFAULT_DISCARD_GRANULARITY 16
254 /* max discard pend list number */
255 #define MAX_PLIST_NUM 512
256 #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \
257 (MAX_PLIST_NUM - 1) : (blk_num - 1))
260 D_PREP
, /* initial */
261 D_PARTIAL
, /* partially submitted */
262 D_SUBMIT
, /* all submitted */
263 D_DONE
, /* finished */
266 struct discard_info
{
267 block_t lstart
; /* logical start address */
268 block_t len
; /* length */
269 block_t start
; /* actual start address in dev */
273 struct rb_node rb_node
; /* rb node located in rb-tree */
276 block_t lstart
; /* logical start address */
277 block_t len
; /* length */
278 block_t start
; /* actual start address in dev */
280 struct discard_info di
; /* discard info */
283 struct list_head list
; /* command list */
284 struct completion wait
; /* compleation */
285 struct block_device
*bdev
; /* bdev */
286 unsigned short ref
; /* reference count */
287 unsigned char state
; /* state */
288 unsigned char queued
; /* queued discard */
289 int error
; /* bio error */
290 spinlock_t lock
; /* for state/bio_ref updating */
291 unsigned short bio_ref
; /* bio reference count */
302 struct discard_policy
{
303 int type
; /* type of discard */
304 unsigned int min_interval
; /* used for candidates exist */
305 unsigned int mid_interval
; /* used for device busy */
306 unsigned int max_interval
; /* used for candidates not exist */
307 unsigned int max_requests
; /* # of discards issued per round */
308 unsigned int io_aware_gran
; /* minimum granularity discard not be aware of I/O */
309 bool io_aware
; /* issue discard in idle time */
310 bool sync
; /* submit discard with REQ_SYNC flag */
311 bool ordered
; /* issue discard by lba order */
312 unsigned int granularity
; /* discard granularity */
315 struct discard_cmd_control
{
316 struct task_struct
*f2fs_issue_discard
; /* discard thread */
317 struct list_head entry_list
; /* 4KB discard entry list */
318 struct list_head pend_list
[MAX_PLIST_NUM
];/* store pending entries */
319 struct list_head wait_list
; /* store on-flushing entries */
320 struct list_head fstrim_list
; /* in-flight discard from fstrim */
321 wait_queue_head_t discard_wait_queue
; /* waiting queue for wake-up */
322 unsigned int discard_wake
; /* to wake up discard thread */
323 struct mutex cmd_lock
;
324 unsigned int nr_discards
; /* # of discards in the list */
325 unsigned int max_discards
; /* max. discards to be issued */
326 unsigned int discard_granularity
; /* discard granularity */
327 unsigned int undiscard_blks
; /* # of undiscard blocks */
328 unsigned int next_pos
; /* next discard position */
329 atomic_t issued_discard
; /* # of issued discard */
330 atomic_t queued_discard
; /* # of queued discard */
331 atomic_t discard_cmd_cnt
; /* # of cached cmd count */
332 struct rb_root_cached root
; /* root of discard rb-tree */
333 bool rbtree_check
; /* config for consistence check */
336 /* for the list of fsync inodes, used only during recovery */
337 struct fsync_inode_entry
{
338 struct list_head list
; /* list head */
339 struct inode
*inode
; /* vfs inode pointer */
340 block_t blkaddr
; /* block address locating the last fsync */
341 block_t last_dentry
; /* block address locating the last dentry */
344 #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats))
345 #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits))
347 #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne)
348 #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid)
349 #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se)
350 #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno)
352 #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl))
353 #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl))
355 static inline int update_nats_in_cursum(struct f2fs_journal
*journal
, int i
)
357 int before
= nats_in_cursum(journal
);
359 journal
->n_nats
= cpu_to_le16(before
+ i
);
363 static inline int update_sits_in_cursum(struct f2fs_journal
*journal
, int i
)
365 int before
= sits_in_cursum(journal
);
367 journal
->n_sits
= cpu_to_le16(before
+ i
);
371 static inline bool __has_cursum_space(struct f2fs_journal
*journal
,
374 if (type
== NAT_JOURNAL
)
375 return size
<= MAX_NAT_JENTRIES(journal
);
376 return size
<= MAX_SIT_JENTRIES(journal
);
382 #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS
383 #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS
384 #define F2FS_IOC_GETVERSION FS_IOC_GETVERSION
386 #define F2FS_IOCTL_MAGIC 0xf5
387 #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1)
388 #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2)
389 #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3)
390 #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4)
391 #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5)
392 #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32)
393 #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7)
394 #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \
395 struct f2fs_defragment)
396 #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \
397 struct f2fs_move_range)
398 #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \
399 struct f2fs_flush_device)
400 #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \
401 struct f2fs_gc_range)
402 #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32)
403 #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32)
404 #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32)
405 #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15)
407 #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY
408 #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY
409 #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT
412 * should be same as XFS_IOC_GOINGDOWN.
413 * Flags for going down operation used by FS_IOC_GOINGDOWN
415 #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */
416 #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */
417 #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */
418 #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */
419 #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */
420 #define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */
422 #if defined(__KERNEL__) && defined(CONFIG_COMPAT)
424 * ioctl commands in 32 bit emulation
426 #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS
427 #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS
428 #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION
431 #define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
432 #define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
434 struct f2fs_gc_range
{
440 struct f2fs_defragment
{
445 struct f2fs_move_range
{
446 u32 dst_fd
; /* destination fd */
447 u64 pos_in
; /* start position in src_fd */
448 u64 pos_out
; /* start position in dst_fd */
449 u64 len
; /* size to move */
452 struct f2fs_flush_device
{
453 u32 dev_num
; /* device number to flush */
454 u32 segments
; /* # of segments to flush */
457 /* for inline stuff */
458 #define DEF_INLINE_RESERVED_SIZE 1
459 #define DEF_MIN_INLINE_SIZE 1
460 static inline int get_extra_isize(struct inode
*inode
);
461 static inline int get_inline_xattr_addrs(struct inode
*inode
);
462 #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \
463 (CUR_ADDRS_PER_INODE(inode) - \
464 get_inline_xattr_addrs(inode) - \
465 DEF_INLINE_RESERVED_SIZE))
468 #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \
469 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
471 #define INLINE_DENTRY_BITMAP_SIZE(inode) ((NR_INLINE_DENTRY(inode) + \
472 BITS_PER_BYTE - 1) / BITS_PER_BYTE)
473 #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \
474 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
475 NR_INLINE_DENTRY(inode) + \
476 INLINE_DENTRY_BITMAP_SIZE(inode)))
479 * For INODE and NODE manager
481 /* for directory operations */
482 struct f2fs_dentry_ptr
{
485 struct f2fs_dir_entry
*dentry
;
486 __u8 (*filename
)[F2FS_SLOT_LEN
];
491 static inline void make_dentry_ptr_block(struct inode
*inode
,
492 struct f2fs_dentry_ptr
*d
, struct f2fs_dentry_block
*t
)
495 d
->max
= NR_DENTRY_IN_BLOCK
;
496 d
->nr_bitmap
= SIZE_OF_DENTRY_BITMAP
;
497 d
->bitmap
= t
->dentry_bitmap
;
498 d
->dentry
= t
->dentry
;
499 d
->filename
= t
->filename
;
502 static inline void make_dentry_ptr_inline(struct inode
*inode
,
503 struct f2fs_dentry_ptr
*d
, void *t
)
505 int entry_cnt
= NR_INLINE_DENTRY(inode
);
506 int bitmap_size
= INLINE_DENTRY_BITMAP_SIZE(inode
);
507 int reserved_size
= INLINE_RESERVED_SIZE(inode
);
511 d
->nr_bitmap
= bitmap_size
;
513 d
->dentry
= t
+ bitmap_size
+ reserved_size
;
514 d
->filename
= t
+ bitmap_size
+ reserved_size
+
515 SIZE_OF_DIR_ENTRY
* entry_cnt
;
519 * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1
520 * as its node offset to distinguish from index node blocks.
521 * But some bits are used to mark the node block.
523 #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \
526 ALLOC_NODE
, /* allocate a new node page if needed */
527 LOOKUP_NODE
, /* look up a node without readahead */
529 * look up a node with readahead called
534 #define DEFAULT_RETRY_IO_COUNT 8 /* maximum retry read IO count */
536 /* maximum retry quota flush count */
537 #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8
539 #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */
541 #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */
543 /* for in-memory extent cache entry */
544 #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */
546 /* number of extent info in extent cache we try to shrink */
547 #define EXTENT_CACHE_SHRINK_NUMBER 128
550 struct rb_node rb_node
; /* rb node located in rb-tree */
551 unsigned int ofs
; /* start offset of the entry */
552 unsigned int len
; /* length of the entry */
556 unsigned int fofs
; /* start offset in a file */
557 unsigned int len
; /* length of the extent */
558 u32 blk
; /* start block address of the extent */
562 struct rb_node rb_node
; /* rb node located in rb-tree */
563 struct extent_info ei
; /* extent info */
564 struct list_head list
; /* node in global extent list of sbi */
565 struct extent_tree
*et
; /* extent tree pointer */
569 nid_t ino
; /* inode number */
570 struct rb_root_cached root
; /* root of extent info rb-tree */
571 struct extent_node
*cached_en
; /* recently accessed extent node */
572 struct extent_info largest
; /* largested extent info */
573 struct list_head list
; /* to be used by sbi->zombie_list */
574 rwlock_t lock
; /* protect extent info rb-tree */
575 atomic_t node_cnt
; /* # of extent node in rb-tree*/
576 bool largest_updated
; /* largest extent updated */
580 * This structure is taken from ext4_map_blocks.
582 * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks().
584 #define F2FS_MAP_NEW (1 << BH_New)
585 #define F2FS_MAP_MAPPED (1 << BH_Mapped)
586 #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten)
587 #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\
590 struct f2fs_map_blocks
{
594 unsigned int m_flags
;
595 pgoff_t
*m_next_pgofs
; /* point next possible non-hole pgofs */
596 pgoff_t
*m_next_extent
; /* point to next possible extent */
598 bool m_may_create
; /* indicate it is from write path */
601 /* for flag in get_data_block */
603 F2FS_GET_BLOCK_DEFAULT
,
604 F2FS_GET_BLOCK_FIEMAP
,
607 F2FS_GET_BLOCK_PRE_DIO
,
608 F2FS_GET_BLOCK_PRE_AIO
,
609 F2FS_GET_BLOCK_PRECACHE
,
613 * i_advise uses FADVISE_XXX_BIT. We can add additional hints later.
615 #define FADVISE_COLD_BIT 0x01
616 #define FADVISE_LOST_PINO_BIT 0x02
617 #define FADVISE_ENCRYPT_BIT 0x04
618 #define FADVISE_ENC_NAME_BIT 0x08
619 #define FADVISE_KEEP_SIZE_BIT 0x10
620 #define FADVISE_HOT_BIT 0x20
621 #define FADVISE_VERITY_BIT 0x40 /* reserved */
623 #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT)
625 #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT)
626 #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
627 #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT)
628 #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
629 #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT)
630 #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT)
631 #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT)
632 #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT)
633 #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT)
634 #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT)
635 #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT)
636 #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT)
637 #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT)
638 #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT)
639 #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT)
640 #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT)
642 #define DEF_DIR_LEVEL 0
650 struct f2fs_inode_info
{
651 struct inode vfs_inode
; /* serve a vfs inode */
652 unsigned long i_flags
; /* keep an inode flags for ioctl */
653 unsigned char i_advise
; /* use to give file attribute hints */
654 unsigned char i_dir_level
; /* use for dentry level for large dir */
655 unsigned int i_current_depth
; /* only for directory depth */
656 /* for gc failure statistic */
657 unsigned int i_gc_failures
[MAX_GC_FAILURE
];
658 unsigned int i_pino
; /* parent inode number */
659 umode_t i_acl_mode
; /* keep file acl mode temporarily */
661 /* Use below internally in f2fs*/
662 unsigned long flags
; /* use to pass per-file flags */
663 struct rw_semaphore i_sem
; /* protect fi info */
664 atomic_t dirty_pages
; /* # of dirty pages */
665 f2fs_hash_t chash
; /* hash value of given file name */
666 unsigned int clevel
; /* maximum level of given file name */
667 struct task_struct
*task
; /* lookup and create consistency */
668 struct task_struct
*cp_task
; /* separate cp/wb IO stats*/
669 nid_t i_xattr_nid
; /* node id that contains xattrs */
670 loff_t last_disk_size
; /* lastly written file size */
673 struct dquot
*i_dquot
[MAXQUOTAS
];
675 /* quota space reservation, managed internally by quota code */
676 qsize_t i_reserved_quota
;
678 struct list_head dirty_list
; /* dirty list for dirs and files */
679 struct list_head gdirty_list
; /* linked in global dirty list */
680 struct list_head inmem_ilist
; /* list for inmem inodes */
681 struct list_head inmem_pages
; /* inmemory pages managed by f2fs */
682 struct task_struct
*inmem_task
; /* store inmemory task */
683 struct mutex inmem_lock
; /* lock for inmemory pages */
684 struct extent_tree
*extent_tree
; /* cached extent_tree entry */
686 /* avoid racing between foreground op and gc */
687 struct rw_semaphore i_gc_rwsem
[2];
688 struct rw_semaphore i_mmap_sem
;
689 struct rw_semaphore i_xattr_sem
; /* avoid racing between reading and changing EAs */
691 int i_extra_isize
; /* size of extra space located in i_addr */
692 kprojid_t i_projid
; /* id for project quota */
693 int i_inline_xattr_size
; /* inline xattr size */
694 struct timespec64 i_crtime
; /* inode creation time */
695 struct timespec64 i_disk_time
[4];/* inode disk times */
698 static inline void get_extent_info(struct extent_info
*ext
,
699 struct f2fs_extent
*i_ext
)
701 ext
->fofs
= le32_to_cpu(i_ext
->fofs
);
702 ext
->blk
= le32_to_cpu(i_ext
->blk
);
703 ext
->len
= le32_to_cpu(i_ext
->len
);
706 static inline void set_raw_extent(struct extent_info
*ext
,
707 struct f2fs_extent
*i_ext
)
709 i_ext
->fofs
= cpu_to_le32(ext
->fofs
);
710 i_ext
->blk
= cpu_to_le32(ext
->blk
);
711 i_ext
->len
= cpu_to_le32(ext
->len
);
714 static inline void set_extent_info(struct extent_info
*ei
, unsigned int fofs
,
715 u32 blk
, unsigned int len
)
722 static inline bool __is_discard_mergeable(struct discard_info
*back
,
723 struct discard_info
*front
, unsigned int max_len
)
725 return (back
->lstart
+ back
->len
== front
->lstart
) &&
726 (back
->len
+ front
->len
<= max_len
);
729 static inline bool __is_discard_back_mergeable(struct discard_info
*cur
,
730 struct discard_info
*back
, unsigned int max_len
)
732 return __is_discard_mergeable(back
, cur
, max_len
);
735 static inline bool __is_discard_front_mergeable(struct discard_info
*cur
,
736 struct discard_info
*front
, unsigned int max_len
)
738 return __is_discard_mergeable(cur
, front
, max_len
);
741 static inline bool __is_extent_mergeable(struct extent_info
*back
,
742 struct extent_info
*front
)
744 return (back
->fofs
+ back
->len
== front
->fofs
&&
745 back
->blk
+ back
->len
== front
->blk
);
748 static inline bool __is_back_mergeable(struct extent_info
*cur
,
749 struct extent_info
*back
)
751 return __is_extent_mergeable(back
, cur
);
754 static inline bool __is_front_mergeable(struct extent_info
*cur
,
755 struct extent_info
*front
)
757 return __is_extent_mergeable(cur
, front
);
760 extern void f2fs_mark_inode_dirty_sync(struct inode
*inode
, bool sync
);
761 static inline void __try_update_largest_extent(struct extent_tree
*et
,
762 struct extent_node
*en
)
764 if (en
->ei
.len
> et
->largest
.len
) {
765 et
->largest
= en
->ei
;
766 et
->largest_updated
= true;
771 * For free nid management
774 FREE_NID
, /* newly added to free nid list */
775 PREALLOC_NID
, /* it is preallocated */
779 struct f2fs_nm_info
{
780 block_t nat_blkaddr
; /* base disk address of NAT */
781 nid_t max_nid
; /* maximum possible node ids */
782 nid_t available_nids
; /* # of available node ids */
783 nid_t next_scan_nid
; /* the next nid to be scanned */
784 unsigned int ram_thresh
; /* control the memory footprint */
785 unsigned int ra_nid_pages
; /* # of nid pages to be readaheaded */
786 unsigned int dirty_nats_ratio
; /* control dirty nats ratio threshold */
788 /* NAT cache management */
789 struct radix_tree_root nat_root
;/* root of the nat entry cache */
790 struct radix_tree_root nat_set_root
;/* root of the nat set cache */
791 struct rw_semaphore nat_tree_lock
; /* protect nat_tree_lock */
792 struct list_head nat_entries
; /* cached nat entry list (clean) */
793 spinlock_t nat_list_lock
; /* protect clean nat entry list */
794 unsigned int nat_cnt
; /* the # of cached nat entries */
795 unsigned int dirty_nat_cnt
; /* total num of nat entries in set */
796 unsigned int nat_blocks
; /* # of nat blocks */
798 /* free node ids management */
799 struct radix_tree_root free_nid_root
;/* root of the free_nid cache */
800 struct list_head free_nid_list
; /* list for free nids excluding preallocated nids */
801 unsigned int nid_cnt
[MAX_NID_STATE
]; /* the number of free node id */
802 spinlock_t nid_list_lock
; /* protect nid lists ops */
803 struct mutex build_lock
; /* lock for build free nids */
804 unsigned char **free_nid_bitmap
;
805 unsigned char *nat_block_bitmap
;
806 unsigned short *free_nid_count
; /* free nid count of NAT block */
809 char *nat_bitmap
; /* NAT bitmap pointer */
811 unsigned int nat_bits_blocks
; /* # of nat bits blocks */
812 unsigned char *nat_bits
; /* NAT bits blocks */
813 unsigned char *full_nat_bits
; /* full NAT pages */
814 unsigned char *empty_nat_bits
; /* empty NAT pages */
815 #ifdef CONFIG_F2FS_CHECK_FS
816 char *nat_bitmap_mir
; /* NAT bitmap mirror */
818 int bitmap_size
; /* bitmap size */
822 * this structure is used as one of function parameters.
823 * all the information are dedicated to a given direct node block determined
824 * by the data offset in a file.
826 struct dnode_of_data
{
827 struct inode
*inode
; /* vfs inode pointer */
828 struct page
*inode_page
; /* its inode page, NULL is possible */
829 struct page
*node_page
; /* cached direct node page */
830 nid_t nid
; /* node id of the direct node block */
831 unsigned int ofs_in_node
; /* data offset in the node page */
832 bool inode_page_locked
; /* inode page is locked or not */
833 bool node_changed
; /* is node block changed */
834 char cur_level
; /* level of hole node page */
835 char max_level
; /* level of current page located */
836 block_t data_blkaddr
; /* block address of the node block */
839 static inline void set_new_dnode(struct dnode_of_data
*dn
, struct inode
*inode
,
840 struct page
*ipage
, struct page
*npage
, nid_t nid
)
842 memset(dn
, 0, sizeof(*dn
));
844 dn
->inode_page
= ipage
;
845 dn
->node_page
= npage
;
852 * By default, there are 6 active log areas across the whole main area.
853 * When considering hot and cold data separation to reduce cleaning overhead,
854 * we split 3 for data logs and 3 for node logs as hot, warm, and cold types,
856 * In the current design, you should not change the numbers intentionally.
857 * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6
858 * logs individually according to the underlying devices. (default: 6)
859 * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for
860 * data and 8 for node logs.
862 #define NR_CURSEG_DATA_TYPE (3)
863 #define NR_CURSEG_NODE_TYPE (3)
864 #define NR_CURSEG_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE)
867 CURSEG_HOT_DATA
= 0, /* directory entry blocks */
868 CURSEG_WARM_DATA
, /* data blocks */
869 CURSEG_COLD_DATA
, /* multimedia or GCed data blocks */
870 CURSEG_HOT_NODE
, /* direct node blocks of directory files */
871 CURSEG_WARM_NODE
, /* direct node blocks of normal files */
872 CURSEG_COLD_NODE
, /* indirect node blocks */
877 struct completion wait
;
878 struct llist_node llnode
;
883 struct flush_cmd_control
{
884 struct task_struct
*f2fs_issue_flush
; /* flush thread */
885 wait_queue_head_t flush_wait_queue
; /* waiting queue for wake-up */
886 atomic_t issued_flush
; /* # of issued flushes */
887 atomic_t queued_flush
; /* # of queued flushes */
888 struct llist_head issue_list
; /* list for command issue */
889 struct llist_node
*dispatch_list
; /* list for command dispatch */
892 struct f2fs_sm_info
{
893 struct sit_info
*sit_info
; /* whole segment information */
894 struct free_segmap_info
*free_info
; /* free segment information */
895 struct dirty_seglist_info
*dirty_info
; /* dirty segment information */
896 struct curseg_info
*curseg_array
; /* active segment information */
898 struct rw_semaphore curseg_lock
; /* for preventing curseg change */
900 block_t seg0_blkaddr
; /* block address of 0'th segment */
901 block_t main_blkaddr
; /* start block address of main area */
902 block_t ssa_blkaddr
; /* start block address of SSA area */
904 unsigned int segment_count
; /* total # of segments */
905 unsigned int main_segments
; /* # of segments in main area */
906 unsigned int reserved_segments
; /* # of reserved segments */
907 unsigned int ovp_segments
; /* # of overprovision segments */
909 /* a threshold to reclaim prefree segments */
910 unsigned int rec_prefree_segments
;
912 /* for batched trimming */
913 unsigned int trim_sections
; /* # of sections to trim */
915 struct list_head sit_entry_set
; /* sit entry set list */
917 unsigned int ipu_policy
; /* in-place-update policy */
918 unsigned int min_ipu_util
; /* in-place-update threshold */
919 unsigned int min_fsync_blocks
; /* threshold for fsync */
920 unsigned int min_seq_blocks
; /* threshold for sequential blocks */
921 unsigned int min_hot_blocks
; /* threshold for hot block allocation */
922 unsigned int min_ssr_sections
; /* threshold to trigger SSR allocation */
924 /* for flush command control */
925 struct flush_cmd_control
*fcc_info
;
927 /* for discard command control */
928 struct discard_cmd_control
*dcc_info
;
935 * COUNT_TYPE for monitoring
937 * f2fs monitors the number of several block types such as on-writeback,
938 * dirty dentry blocks, dirty node blocks, and dirty meta blocks.
940 #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA)
960 * The below are the page types of bios used in submit_bio().
961 * The available types are:
962 * DATA User data pages. It operates as async mode.
963 * NODE Node pages. It operates as async mode.
964 * META FS metadata pages such as SIT, NAT, CP.
965 * NR_PAGE_TYPE The number of page types.
966 * META_FLUSH Make sure the previous pages are written
967 * with waiting the bio's completion
968 * ... Only can be used with META.
970 #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type))
977 INMEM
, /* the below types are used by tracepoints only. */
986 HOT
= 0, /* must be zero for meta bio */
992 enum need_lock_type
{
998 enum cp_reason_type
{
1012 APP_DIRECT_IO
, /* app direct IOs */
1013 APP_BUFFERED_IO
, /* app buffered IOs */
1014 APP_WRITE_IO
, /* app write IOs */
1015 APP_MAPPED_IO
, /* app mapped IOs */
1016 FS_DATA_IO
, /* data IOs from kworker/fsync/reclaimer */
1017 FS_NODE_IO
, /* node IOs from kworker/fsync/reclaimer */
1018 FS_META_IO
, /* meta IOs from kworker/reclaimer */
1019 FS_GC_DATA_IO
, /* data IOs from forground gc */
1020 FS_GC_NODE_IO
, /* node IOs from forground gc */
1021 FS_CP_DATA_IO
, /* data IOs from checkpoint */
1022 FS_CP_NODE_IO
, /* node IOs from checkpoint */
1023 FS_CP_META_IO
, /* meta IOs from checkpoint */
1024 FS_DISCARD
, /* discard */
1028 struct f2fs_io_info
{
1029 struct f2fs_sb_info
*sbi
; /* f2fs_sb_info pointer */
1030 nid_t ino
; /* inode number */
1031 enum page_type type
; /* contains DATA/NODE/META/META_FLUSH */
1032 enum temp_type temp
; /* contains HOT/WARM/COLD */
1033 int op
; /* contains REQ_OP_ */
1034 int op_flags
; /* req_flag_bits */
1035 block_t new_blkaddr
; /* new block address to be written */
1036 block_t old_blkaddr
; /* old block address before Cow */
1037 struct page
*page
; /* page to be written */
1038 struct page
*encrypted_page
; /* encrypted page */
1039 struct list_head list
; /* serialize IOs */
1040 bool submitted
; /* indicate IO submission */
1041 int need_lock
; /* indicate we need to lock cp_rwsem */
1042 bool in_list
; /* indicate fio is in io_list */
1043 bool is_meta
; /* indicate borrow meta inode mapping or not */
1044 bool retry
; /* need to reallocate block address */
1045 enum iostat_type io_type
; /* io type */
1046 struct writeback_control
*io_wbc
; /* writeback control */
1047 unsigned char version
; /* version of the node */
1050 #define is_read_io(rw) ((rw) == READ)
1051 struct f2fs_bio_info
{
1052 struct f2fs_sb_info
*sbi
; /* f2fs superblock */
1053 struct bio
*bio
; /* bios to merge */
1054 sector_t last_block_in_bio
; /* last block number */
1055 struct f2fs_io_info fio
; /* store buffered io info. */
1056 struct rw_semaphore io_rwsem
; /* blocking op for bio */
1057 spinlock_t io_lock
; /* serialize DATA/NODE IOs */
1058 struct list_head io_list
; /* track fios */
1061 #define FDEV(i) (sbi->devs[i])
1062 #define RDEV(i) (raw_super->devs[i])
1063 struct f2fs_dev_info
{
1064 struct block_device
*bdev
;
1065 char path
[MAX_PATH_LEN
];
1066 unsigned int total_segments
;
1069 #ifdef CONFIG_BLK_DEV_ZONED
1070 unsigned int nr_blkz
; /* Total number of zones */
1071 u8
*blkz_type
; /* Array of zones type */
1076 DIR_INODE
, /* for dirty dir inode */
1077 FILE_INODE
, /* for dirty regular/symlink inode */
1078 DIRTY_META
, /* for all dirtied inode metadata */
1079 ATOMIC_FILE
, /* for all atomic files */
1083 /* for inner inode cache management */
1084 struct inode_management
{
1085 struct radix_tree_root ino_root
; /* ino entry array */
1086 spinlock_t ino_lock
; /* for ino entry lock */
1087 struct list_head ino_list
; /* inode list head */
1088 unsigned long ino_num
; /* number of entries */
1091 /* For s_flag in struct f2fs_sb_info */
1093 SBI_IS_DIRTY
, /* dirty flag for checkpoint */
1094 SBI_IS_CLOSE
, /* specify unmounting */
1095 SBI_NEED_FSCK
, /* need fsck.f2fs to fix */
1096 SBI_POR_DOING
, /* recovery is doing or not */
1097 SBI_NEED_SB_WRITE
, /* need to recover superblock */
1098 SBI_NEED_CP
, /* need to checkpoint */
1099 SBI_IS_SHUTDOWN
, /* shutdown by ioctl */
1100 SBI_IS_RECOVERED
, /* recovered orphan/data */
1101 SBI_CP_DISABLED
, /* CP was disabled last mount */
1102 SBI_QUOTA_NEED_FLUSH
, /* need to flush quota info in CP */
1103 SBI_QUOTA_SKIP_FLUSH
, /* skip flushing quota in current CP */
1104 SBI_QUOTA_NEED_REPAIR
, /* quota file may be corrupted */
1124 WHINT_MODE_OFF
, /* not pass down write hints */
1125 WHINT_MODE_USER
, /* try to pass down hints given by users */
1126 WHINT_MODE_FS
, /* pass down hints with F2FS policy */
1130 ALLOC_MODE_DEFAULT
, /* stay default */
1131 ALLOC_MODE_REUSE
, /* reuse segments as much as possible */
1135 FSYNC_MODE_POSIX
, /* fsync follows posix semantics */
1136 FSYNC_MODE_STRICT
, /* fsync behaves in line with ext4 */
1137 FSYNC_MODE_NOBARRIER
, /* fsync behaves nobarrier based on posix */
1140 #ifdef CONFIG_F2FS_FS_ENCRYPTION
1141 #define DUMMY_ENCRYPTION_ENABLED(sbi) \
1142 (unlikely(F2FS_OPTION(sbi).test_dummy_encryption))
1144 #define DUMMY_ENCRYPTION_ENABLED(sbi) (0)
1147 struct f2fs_sb_info
{
1148 struct super_block
*sb
; /* pointer to VFS super block */
1149 struct proc_dir_entry
*s_proc
; /* proc entry */
1150 struct f2fs_super_block
*raw_super
; /* raw super block pointer */
1151 struct rw_semaphore sb_lock
; /* lock for raw super block */
1152 int valid_super_block
; /* valid super block no */
1153 unsigned long s_flag
; /* flags for sbi */
1154 struct mutex writepages
; /* mutex for writepages() */
1156 #ifdef CONFIG_BLK_DEV_ZONED
1157 unsigned int blocks_per_blkz
; /* F2FS blocks per zone */
1158 unsigned int log_blocks_per_blkz
; /* log2 F2FS blocks per zone */
1161 /* for node-related operations */
1162 struct f2fs_nm_info
*nm_info
; /* node manager */
1163 struct inode
*node_inode
; /* cache node blocks */
1165 /* for segment-related operations */
1166 struct f2fs_sm_info
*sm_info
; /* segment manager */
1168 /* for bio operations */
1169 struct f2fs_bio_info
*write_io
[NR_PAGE_TYPE
]; /* for write bios */
1170 /* keep migration IO order for LFS mode */
1171 struct rw_semaphore io_order_lock
;
1172 mempool_t
*write_io_dummy
; /* Dummy pages */
1174 /* for checkpoint */
1175 struct f2fs_checkpoint
*ckpt
; /* raw checkpoint pointer */
1176 int cur_cp_pack
; /* remain current cp pack */
1177 spinlock_t cp_lock
; /* for flag in ckpt */
1178 struct inode
*meta_inode
; /* cache meta blocks */
1179 struct mutex cp_mutex
; /* checkpoint procedure lock */
1180 struct rw_semaphore cp_rwsem
; /* blocking FS operations */
1181 struct rw_semaphore node_write
; /* locking node writes */
1182 struct rw_semaphore node_change
; /* locking node change */
1183 wait_queue_head_t cp_wait
;
1184 unsigned long last_time
[MAX_TIME
]; /* to store time in jiffies */
1185 long interval_time
[MAX_TIME
]; /* to store thresholds */
1187 struct inode_management im
[MAX_INO_ENTRY
]; /* manage inode cache */
1189 spinlock_t fsync_node_lock
; /* for node entry lock */
1190 struct list_head fsync_node_list
; /* node list head */
1191 unsigned int fsync_seg_id
; /* sequence id */
1192 unsigned int fsync_node_num
; /* number of node entries */
1194 /* for orphan inode, use 0'th array */
1195 unsigned int max_orphans
; /* max orphan inodes */
1197 /* for inode management */
1198 struct list_head inode_list
[NR_INODE_TYPE
]; /* dirty inode list */
1199 spinlock_t inode_lock
[NR_INODE_TYPE
]; /* for dirty inode list lock */
1201 /* for extent tree cache */
1202 struct radix_tree_root extent_tree_root
;/* cache extent cache entries */
1203 struct mutex extent_tree_lock
; /* locking extent radix tree */
1204 struct list_head extent_list
; /* lru list for shrinker */
1205 spinlock_t extent_lock
; /* locking extent lru list */
1206 atomic_t total_ext_tree
; /* extent tree count */
1207 struct list_head zombie_list
; /* extent zombie tree list */
1208 atomic_t total_zombie_tree
; /* extent zombie tree count */
1209 atomic_t total_ext_node
; /* extent info count */
1211 /* basic filesystem units */
1212 unsigned int log_sectors_per_block
; /* log2 sectors per block */
1213 unsigned int log_blocksize
; /* log2 block size */
1214 unsigned int blocksize
; /* block size */
1215 unsigned int root_ino_num
; /* root inode number*/
1216 unsigned int node_ino_num
; /* node inode number*/
1217 unsigned int meta_ino_num
; /* meta inode number*/
1218 unsigned int log_blocks_per_seg
; /* log2 blocks per segment */
1219 unsigned int blocks_per_seg
; /* blocks per segment */
1220 unsigned int segs_per_sec
; /* segments per section */
1221 unsigned int secs_per_zone
; /* sections per zone */
1222 unsigned int total_sections
; /* total section count */
1223 unsigned int total_node_count
; /* total node block count */
1224 unsigned int total_valid_node_count
; /* valid node block count */
1225 loff_t max_file_blocks
; /* max block index of file */
1226 int dir_level
; /* directory level */
1227 int readdir_ra
; /* readahead inode in readdir */
1229 block_t user_block_count
; /* # of user blocks */
1230 block_t total_valid_block_count
; /* # of valid blocks */
1231 block_t discard_blks
; /* discard command candidats */
1232 block_t last_valid_block_count
; /* for recovery */
1233 block_t reserved_blocks
; /* configurable reserved blocks */
1234 block_t current_reserved_blocks
; /* current reserved blocks */
1236 /* Additional tracking for no checkpoint mode */
1237 block_t unusable_block_count
; /* # of blocks saved by last cp */
1239 unsigned int nquota_files
; /* # of quota sysfile */
1241 u32 s_next_generation
; /* for NFS support */
1243 /* # of pages, see count_type */
1244 atomic_t nr_pages
[NR_COUNT_TYPE
];
1245 /* # of allocated blocks */
1246 struct percpu_counter alloc_valid_block_count
;
1248 /* writeback control */
1249 atomic_t wb_sync_req
[META
]; /* count # of WB_SYNC threads */
1251 /* valid inode count */
1252 struct percpu_counter total_valid_inode_count
;
1254 struct f2fs_mount_info mount_opt
; /* mount options */
1256 /* for cleaning operations */
1257 struct mutex gc_mutex
; /* mutex for GC */
1258 struct f2fs_gc_kthread
*gc_thread
; /* GC thread */
1259 unsigned int cur_victim_sec
; /* current victim section num */
1260 unsigned int gc_mode
; /* current GC state */
1261 unsigned int next_victim_seg
[2]; /* next segment in victim section */
1262 /* for skip statistic */
1263 unsigned long long skipped_atomic_files
[2]; /* FG_GC and BG_GC */
1264 unsigned long long skipped_gc_rwsem
; /* FG_GC only */
1266 /* threshold for gc trials on pinned files */
1267 u64 gc_pin_file_threshold
;
1269 /* maximum # of trials to find a victim segment for SSR and GC */
1270 unsigned int max_victim_search
;
1271 /* migration granularity of garbage collection, unit: segment */
1272 unsigned int migration_granularity
;
1275 * for stat information.
1276 * one is for the LFS mode, and the other is for the SSR mode.
1278 #ifdef CONFIG_F2FS_STAT_FS
1279 struct f2fs_stat_info
*stat_info
; /* FS status information */
1280 atomic_t meta_count
[META_MAX
]; /* # of meta blocks */
1281 unsigned int segment_count
[2]; /* # of allocated segments */
1282 unsigned int block_count
[2]; /* # of allocated blocks */
1283 atomic_t inplace_count
; /* # of inplace update */
1284 atomic64_t total_hit_ext
; /* # of lookup extent cache */
1285 atomic64_t read_hit_rbtree
; /* # of hit rbtree extent node */
1286 atomic64_t read_hit_largest
; /* # of hit largest extent node */
1287 atomic64_t read_hit_cached
; /* # of hit cached extent node */
1288 atomic_t inline_xattr
; /* # of inline_xattr inodes */
1289 atomic_t inline_inode
; /* # of inline_data inodes */
1290 atomic_t inline_dir
; /* # of inline_dentry inodes */
1291 atomic_t aw_cnt
; /* # of atomic writes */
1292 atomic_t vw_cnt
; /* # of volatile writes */
1293 atomic_t max_aw_cnt
; /* max # of atomic writes */
1294 atomic_t max_vw_cnt
; /* max # of volatile writes */
1295 int bg_gc
; /* background gc calls */
1296 unsigned int io_skip_bggc
; /* skip background gc for in-flight IO */
1297 unsigned int other_skip_bggc
; /* skip background gc for other reasons */
1298 unsigned int ndirty_inode
[NR_INODE_TYPE
]; /* # of dirty inodes */
1300 spinlock_t stat_lock
; /* lock for stat operations */
1302 /* For app/fs IO statistics */
1303 spinlock_t iostat_lock
;
1304 unsigned long long write_iostat
[NR_IO_TYPE
];
1307 /* For sysfs suppport */
1308 struct kobject s_kobj
;
1309 struct completion s_kobj_unregister
;
1311 /* For shrinker support */
1312 struct list_head s_list
;
1313 int s_ndevs
; /* number of devices */
1314 struct f2fs_dev_info
*devs
; /* for device list */
1315 unsigned int dirty_device
; /* for checkpoint data flush */
1316 spinlock_t dev_lock
; /* protect dirty_device */
1317 struct mutex umount_mutex
;
1318 unsigned int shrinker_run_no
;
1320 /* For write statistics */
1321 u64 sectors_written_start
;
1324 /* Reference to checksum algorithm driver via cryptoapi */
1325 struct crypto_shash
*s_chksum_driver
;
1327 /* Precomputed FS UUID checksum for seeding other checksums */
1328 __u32 s_chksum_seed
;
1331 struct f2fs_private_dio
{
1332 struct inode
*inode
;
1334 bio_end_io_t
*orig_end_io
;
1338 #ifdef CONFIG_F2FS_FAULT_INJECTION
1339 #define f2fs_show_injection_info(type) \
1340 printk_ratelimited("%sF2FS-fs : inject %s in %s of %pF\n", \
1341 KERN_INFO, f2fs_fault_name[type], \
1342 __func__, __builtin_return_address(0))
1343 static inline bool time_to_inject(struct f2fs_sb_info
*sbi
, int type
)
1345 struct f2fs_fault_info
*ffi
= &F2FS_OPTION(sbi
).fault_info
;
1347 if (!ffi
->inject_rate
)
1350 if (!IS_FAULT_SET(ffi
, type
))
1353 atomic_inc(&ffi
->inject_ops
);
1354 if (atomic_read(&ffi
->inject_ops
) >= ffi
->inject_rate
) {
1355 atomic_set(&ffi
->inject_ops
, 0);
1361 #define f2fs_show_injection_info(type) do { } while (0)
1362 static inline bool time_to_inject(struct f2fs_sb_info
*sbi
, int type
)
1368 /* For write statistics. Suppose sector size is 512 bytes,
1369 * and the return value is in kbytes. s is of struct f2fs_sb_info.
1371 #define BD_PART_WRITTEN(s) \
1372 (((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[STAT_WRITE]) - \
1373 (s)->sectors_written_start) >> 1)
1375 static inline void f2fs_update_time(struct f2fs_sb_info
*sbi
, int type
)
1377 unsigned long now
= jiffies
;
1379 sbi
->last_time
[type
] = now
;
1381 /* DISCARD_TIME and GC_TIME are based on REQ_TIME */
1382 if (type
== REQ_TIME
) {
1383 sbi
->last_time
[DISCARD_TIME
] = now
;
1384 sbi
->last_time
[GC_TIME
] = now
;
1388 static inline bool f2fs_time_over(struct f2fs_sb_info
*sbi
, int type
)
1390 unsigned long interval
= sbi
->interval_time
[type
] * HZ
;
1392 return time_after(jiffies
, sbi
->last_time
[type
] + interval
);
1395 static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info
*sbi
,
1398 unsigned long interval
= sbi
->interval_time
[type
] * HZ
;
1399 unsigned int wait_ms
= 0;
1402 delta
= (sbi
->last_time
[type
] + interval
) - jiffies
;
1404 wait_ms
= jiffies_to_msecs(delta
);
1412 static inline u32
__f2fs_crc32(struct f2fs_sb_info
*sbi
, u32 crc
,
1413 const void *address
, unsigned int length
)
1416 struct shash_desc shash
;
1421 BUG_ON(crypto_shash_descsize(sbi
->s_chksum_driver
) != sizeof(desc
.ctx
));
1423 desc
.shash
.tfm
= sbi
->s_chksum_driver
;
1424 desc
.shash
.flags
= 0;
1425 *(u32
*)desc
.ctx
= crc
;
1427 err
= crypto_shash_update(&desc
.shash
, address
, length
);
1430 return *(u32
*)desc
.ctx
;
1433 static inline u32
f2fs_crc32(struct f2fs_sb_info
*sbi
, const void *address
,
1434 unsigned int length
)
1436 return __f2fs_crc32(sbi
, F2FS_SUPER_MAGIC
, address
, length
);
1439 static inline bool f2fs_crc_valid(struct f2fs_sb_info
*sbi
, __u32 blk_crc
,
1440 void *buf
, size_t buf_size
)
1442 return f2fs_crc32(sbi
, buf
, buf_size
) == blk_crc
;
1445 static inline u32
f2fs_chksum(struct f2fs_sb_info
*sbi
, u32 crc
,
1446 const void *address
, unsigned int length
)
1448 return __f2fs_crc32(sbi
, crc
, address
, length
);
1451 static inline struct f2fs_inode_info
*F2FS_I(struct inode
*inode
)
1453 return container_of(inode
, struct f2fs_inode_info
, vfs_inode
);
1456 static inline struct f2fs_sb_info
*F2FS_SB(struct super_block
*sb
)
1458 return sb
->s_fs_info
;
1461 static inline struct f2fs_sb_info
*F2FS_I_SB(struct inode
*inode
)
1463 return F2FS_SB(inode
->i_sb
);
1466 static inline struct f2fs_sb_info
*F2FS_M_SB(struct address_space
*mapping
)
1468 return F2FS_I_SB(mapping
->host
);
1471 static inline struct f2fs_sb_info
*F2FS_P_SB(struct page
*page
)
1473 return F2FS_M_SB(page
->mapping
);
1476 static inline struct f2fs_super_block
*F2FS_RAW_SUPER(struct f2fs_sb_info
*sbi
)
1478 return (struct f2fs_super_block
*)(sbi
->raw_super
);
1481 static inline struct f2fs_checkpoint
*F2FS_CKPT(struct f2fs_sb_info
*sbi
)
1483 return (struct f2fs_checkpoint
*)(sbi
->ckpt
);
1486 static inline struct f2fs_node
*F2FS_NODE(struct page
*page
)
1488 return (struct f2fs_node
*)page_address(page
);
1491 static inline struct f2fs_inode
*F2FS_INODE(struct page
*page
)
1493 return &((struct f2fs_node
*)page_address(page
))->i
;
1496 static inline struct f2fs_nm_info
*NM_I(struct f2fs_sb_info
*sbi
)
1498 return (struct f2fs_nm_info
*)(sbi
->nm_info
);
1501 static inline struct f2fs_sm_info
*SM_I(struct f2fs_sb_info
*sbi
)
1503 return (struct f2fs_sm_info
*)(sbi
->sm_info
);
1506 static inline struct sit_info
*SIT_I(struct f2fs_sb_info
*sbi
)
1508 return (struct sit_info
*)(SM_I(sbi
)->sit_info
);
1511 static inline struct free_segmap_info
*FREE_I(struct f2fs_sb_info
*sbi
)
1513 return (struct free_segmap_info
*)(SM_I(sbi
)->free_info
);
1516 static inline struct dirty_seglist_info
*DIRTY_I(struct f2fs_sb_info
*sbi
)
1518 return (struct dirty_seglist_info
*)(SM_I(sbi
)->dirty_info
);
1521 static inline struct address_space
*META_MAPPING(struct f2fs_sb_info
*sbi
)
1523 return sbi
->meta_inode
->i_mapping
;
1526 static inline struct address_space
*NODE_MAPPING(struct f2fs_sb_info
*sbi
)
1528 return sbi
->node_inode
->i_mapping
;
1531 static inline bool is_sbi_flag_set(struct f2fs_sb_info
*sbi
, unsigned int type
)
1533 return test_bit(type
, &sbi
->s_flag
);
1536 static inline void set_sbi_flag(struct f2fs_sb_info
*sbi
, unsigned int type
)
1538 set_bit(type
, &sbi
->s_flag
);
1541 static inline void clear_sbi_flag(struct f2fs_sb_info
*sbi
, unsigned int type
)
1543 clear_bit(type
, &sbi
->s_flag
);
1546 static inline unsigned long long cur_cp_version(struct f2fs_checkpoint
*cp
)
1548 return le64_to_cpu(cp
->checkpoint_ver
);
1551 static inline unsigned long f2fs_qf_ino(struct super_block
*sb
, int type
)
1553 if (type
< F2FS_MAX_QUOTAS
)
1554 return le32_to_cpu(F2FS_SB(sb
)->raw_super
->qf_ino
[type
]);
1558 static inline __u64
cur_cp_crc(struct f2fs_checkpoint
*cp
)
1560 size_t crc_offset
= le32_to_cpu(cp
->checksum_offset
);
1561 return le32_to_cpu(*((__le32
*)((unsigned char *)cp
+ crc_offset
)));
1564 static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1566 unsigned int ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1568 return ckpt_flags
& f
;
1571 static inline bool is_set_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1573 return __is_set_ckpt_flags(F2FS_CKPT(sbi
), f
);
1576 static inline void __set_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1578 unsigned int ckpt_flags
;
1580 ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1582 cp
->ckpt_flags
= cpu_to_le32(ckpt_flags
);
1585 static inline void set_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1587 unsigned long flags
;
1589 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1590 __set_ckpt_flags(F2FS_CKPT(sbi
), f
);
1591 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1594 static inline void __clear_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1596 unsigned int ckpt_flags
;
1598 ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1600 cp
->ckpt_flags
= cpu_to_le32(ckpt_flags
);
1603 static inline void clear_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1605 unsigned long flags
;
1607 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1608 __clear_ckpt_flags(F2FS_CKPT(sbi
), f
);
1609 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1612 static inline void disable_nat_bits(struct f2fs_sb_info
*sbi
, bool lock
)
1614 unsigned long flags
;
1617 * In order to re-enable nat_bits we need to call fsck.f2fs by
1618 * set_sbi_flag(sbi, SBI_NEED_FSCK). But it may give huge cost,
1619 * so let's rely on regular fsck or unclean shutdown.
1623 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1624 __clear_ckpt_flags(F2FS_CKPT(sbi
), CP_NAT_BITS_FLAG
);
1625 kvfree(NM_I(sbi
)->nat_bits
);
1626 NM_I(sbi
)->nat_bits
= NULL
;
1628 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1631 static inline bool enabled_nat_bits(struct f2fs_sb_info
*sbi
,
1632 struct cp_control
*cpc
)
1634 bool set
= is_set_ckpt_flags(sbi
, CP_NAT_BITS_FLAG
);
1636 return (cpc
) ? (cpc
->reason
& CP_UMOUNT
) && set
: set
;
1639 static inline void f2fs_lock_op(struct f2fs_sb_info
*sbi
)
1641 down_read(&sbi
->cp_rwsem
);
1644 static inline int f2fs_trylock_op(struct f2fs_sb_info
*sbi
)
1646 return down_read_trylock(&sbi
->cp_rwsem
);
1649 static inline void f2fs_unlock_op(struct f2fs_sb_info
*sbi
)
1651 up_read(&sbi
->cp_rwsem
);
1654 static inline void f2fs_lock_all(struct f2fs_sb_info
*sbi
)
1656 down_write(&sbi
->cp_rwsem
);
1659 static inline void f2fs_unlock_all(struct f2fs_sb_info
*sbi
)
1661 up_write(&sbi
->cp_rwsem
);
1664 static inline int __get_cp_reason(struct f2fs_sb_info
*sbi
)
1666 int reason
= CP_SYNC
;
1668 if (test_opt(sbi
, FASTBOOT
))
1669 reason
= CP_FASTBOOT
;
1670 if (is_sbi_flag_set(sbi
, SBI_IS_CLOSE
))
1675 static inline bool __remain_node_summaries(int reason
)
1677 return (reason
& (CP_UMOUNT
| CP_FASTBOOT
));
1680 static inline bool __exist_node_summaries(struct f2fs_sb_info
*sbi
)
1682 return (is_set_ckpt_flags(sbi
, CP_UMOUNT_FLAG
) ||
1683 is_set_ckpt_flags(sbi
, CP_FASTBOOT_FLAG
));
1687 * Check whether the inode has blocks or not
1689 static inline int F2FS_HAS_BLOCKS(struct inode
*inode
)
1691 block_t xattr_block
= F2FS_I(inode
)->i_xattr_nid
? 1 : 0;
1693 return (inode
->i_blocks
>> F2FS_LOG_SECTORS_PER_BLOCK
) > xattr_block
;
1696 static inline bool f2fs_has_xattr_block(unsigned int ofs
)
1698 return ofs
== XATTR_NODE_OFFSET
;
1701 static inline bool __allow_reserved_blocks(struct f2fs_sb_info
*sbi
,
1702 struct inode
*inode
, bool cap
)
1706 if (!test_opt(sbi
, RESERVE_ROOT
))
1708 if (IS_NOQUOTA(inode
))
1710 if (uid_eq(F2FS_OPTION(sbi
).s_resuid
, current_fsuid()))
1712 if (!gid_eq(F2FS_OPTION(sbi
).s_resgid
, GLOBAL_ROOT_GID
) &&
1713 in_group_p(F2FS_OPTION(sbi
).s_resgid
))
1715 if (cap
&& capable(CAP_SYS_RESOURCE
))
1720 static inline void f2fs_i_blocks_write(struct inode
*, block_t
, bool, bool);
1721 static inline int inc_valid_block_count(struct f2fs_sb_info
*sbi
,
1722 struct inode
*inode
, blkcnt_t
*count
)
1724 blkcnt_t diff
= 0, release
= 0;
1725 block_t avail_user_block_count
;
1728 ret
= dquot_reserve_block(inode
, *count
);
1732 if (time_to_inject(sbi
, FAULT_BLOCK
)) {
1733 f2fs_show_injection_info(FAULT_BLOCK
);
1739 * let's increase this in prior to actual block count change in order
1740 * for f2fs_sync_file to avoid data races when deciding checkpoint.
1742 percpu_counter_add(&sbi
->alloc_valid_block_count
, (*count
));
1744 spin_lock(&sbi
->stat_lock
);
1745 sbi
->total_valid_block_count
+= (block_t
)(*count
);
1746 avail_user_block_count
= sbi
->user_block_count
-
1747 sbi
->current_reserved_blocks
;
1749 if (!__allow_reserved_blocks(sbi
, inode
, true))
1750 avail_user_block_count
-= F2FS_OPTION(sbi
).root_reserved_blocks
;
1751 if (unlikely(is_sbi_flag_set(sbi
, SBI_CP_DISABLED
)))
1752 avail_user_block_count
-= sbi
->unusable_block_count
;
1753 if (unlikely(sbi
->total_valid_block_count
> avail_user_block_count
)) {
1754 diff
= sbi
->total_valid_block_count
- avail_user_block_count
;
1759 sbi
->total_valid_block_count
-= diff
;
1761 spin_unlock(&sbi
->stat_lock
);
1765 spin_unlock(&sbi
->stat_lock
);
1767 if (unlikely(release
)) {
1768 percpu_counter_sub(&sbi
->alloc_valid_block_count
, release
);
1769 dquot_release_reservation_block(inode
, release
);
1771 f2fs_i_blocks_write(inode
, *count
, true, true);
1775 percpu_counter_sub(&sbi
->alloc_valid_block_count
, release
);
1776 dquot_release_reservation_block(inode
, release
);
1780 static inline void dec_valid_block_count(struct f2fs_sb_info
*sbi
,
1781 struct inode
*inode
,
1784 blkcnt_t sectors
= count
<< F2FS_LOG_SECTORS_PER_BLOCK
;
1786 spin_lock(&sbi
->stat_lock
);
1787 f2fs_bug_on(sbi
, sbi
->total_valid_block_count
< (block_t
) count
);
1788 f2fs_bug_on(sbi
, inode
->i_blocks
< sectors
);
1789 sbi
->total_valid_block_count
-= (block_t
)count
;
1790 if (sbi
->reserved_blocks
&&
1791 sbi
->current_reserved_blocks
< sbi
->reserved_blocks
)
1792 sbi
->current_reserved_blocks
= min(sbi
->reserved_blocks
,
1793 sbi
->current_reserved_blocks
+ count
);
1794 spin_unlock(&sbi
->stat_lock
);
1795 f2fs_i_blocks_write(inode
, count
, false, true);
1798 static inline void inc_page_count(struct f2fs_sb_info
*sbi
, int count_type
)
1800 atomic_inc(&sbi
->nr_pages
[count_type
]);
1802 if (count_type
== F2FS_DIRTY_DATA
|| count_type
== F2FS_INMEM_PAGES
||
1803 count_type
== F2FS_WB_CP_DATA
|| count_type
== F2FS_WB_DATA
||
1804 count_type
== F2FS_RD_DATA
|| count_type
== F2FS_RD_NODE
||
1805 count_type
== F2FS_RD_META
)
1808 set_sbi_flag(sbi
, SBI_IS_DIRTY
);
1811 static inline void inode_inc_dirty_pages(struct inode
*inode
)
1813 atomic_inc(&F2FS_I(inode
)->dirty_pages
);
1814 inc_page_count(F2FS_I_SB(inode
), S_ISDIR(inode
->i_mode
) ?
1815 F2FS_DIRTY_DENTS
: F2FS_DIRTY_DATA
);
1816 if (IS_NOQUOTA(inode
))
1817 inc_page_count(F2FS_I_SB(inode
), F2FS_DIRTY_QDATA
);
1820 static inline void dec_page_count(struct f2fs_sb_info
*sbi
, int count_type
)
1822 atomic_dec(&sbi
->nr_pages
[count_type
]);
1825 static inline void inode_dec_dirty_pages(struct inode
*inode
)
1827 if (!S_ISDIR(inode
->i_mode
) && !S_ISREG(inode
->i_mode
) &&
1828 !S_ISLNK(inode
->i_mode
))
1831 atomic_dec(&F2FS_I(inode
)->dirty_pages
);
1832 dec_page_count(F2FS_I_SB(inode
), S_ISDIR(inode
->i_mode
) ?
1833 F2FS_DIRTY_DENTS
: F2FS_DIRTY_DATA
);
1834 if (IS_NOQUOTA(inode
))
1835 dec_page_count(F2FS_I_SB(inode
), F2FS_DIRTY_QDATA
);
1838 static inline s64
get_pages(struct f2fs_sb_info
*sbi
, int count_type
)
1840 return atomic_read(&sbi
->nr_pages
[count_type
]);
1843 static inline int get_dirty_pages(struct inode
*inode
)
1845 return atomic_read(&F2FS_I(inode
)->dirty_pages
);
1848 static inline int get_blocktype_secs(struct f2fs_sb_info
*sbi
, int block_type
)
1850 unsigned int pages_per_sec
= sbi
->segs_per_sec
* sbi
->blocks_per_seg
;
1851 unsigned int segs
= (get_pages(sbi
, block_type
) + pages_per_sec
- 1) >>
1852 sbi
->log_blocks_per_seg
;
1854 return segs
/ sbi
->segs_per_sec
;
1857 static inline block_t
valid_user_blocks(struct f2fs_sb_info
*sbi
)
1859 return sbi
->total_valid_block_count
;
1862 static inline block_t
discard_blocks(struct f2fs_sb_info
*sbi
)
1864 return sbi
->discard_blks
;
1867 static inline unsigned long __bitmap_size(struct f2fs_sb_info
*sbi
, int flag
)
1869 struct f2fs_checkpoint
*ckpt
= F2FS_CKPT(sbi
);
1871 /* return NAT or SIT bitmap */
1872 if (flag
== NAT_BITMAP
)
1873 return le32_to_cpu(ckpt
->nat_ver_bitmap_bytesize
);
1874 else if (flag
== SIT_BITMAP
)
1875 return le32_to_cpu(ckpt
->sit_ver_bitmap_bytesize
);
1880 static inline block_t
__cp_payload(struct f2fs_sb_info
*sbi
)
1882 return le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_payload
);
1885 static inline void *__bitmap_ptr(struct f2fs_sb_info
*sbi
, int flag
)
1887 struct f2fs_checkpoint
*ckpt
= F2FS_CKPT(sbi
);
1890 if (is_set_ckpt_flags(sbi
, CP_LARGE_NAT_BITMAP_FLAG
)) {
1891 offset
= (flag
== SIT_BITMAP
) ?
1892 le32_to_cpu(ckpt
->nat_ver_bitmap_bytesize
) : 0;
1893 return &ckpt
->sit_nat_version_bitmap
+ offset
;
1896 if (__cp_payload(sbi
) > 0) {
1897 if (flag
== NAT_BITMAP
)
1898 return &ckpt
->sit_nat_version_bitmap
;
1900 return (unsigned char *)ckpt
+ F2FS_BLKSIZE
;
1902 offset
= (flag
== NAT_BITMAP
) ?
1903 le32_to_cpu(ckpt
->sit_ver_bitmap_bytesize
) : 0;
1904 return &ckpt
->sit_nat_version_bitmap
+ offset
;
1908 static inline block_t
__start_cp_addr(struct f2fs_sb_info
*sbi
)
1910 block_t start_addr
= le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_blkaddr
);
1912 if (sbi
->cur_cp_pack
== 2)
1913 start_addr
+= sbi
->blocks_per_seg
;
1917 static inline block_t
__start_cp_next_addr(struct f2fs_sb_info
*sbi
)
1919 block_t start_addr
= le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_blkaddr
);
1921 if (sbi
->cur_cp_pack
== 1)
1922 start_addr
+= sbi
->blocks_per_seg
;
1926 static inline void __set_cp_next_pack(struct f2fs_sb_info
*sbi
)
1928 sbi
->cur_cp_pack
= (sbi
->cur_cp_pack
== 1) ? 2 : 1;
1931 static inline block_t
__start_sum_addr(struct f2fs_sb_info
*sbi
)
1933 return le32_to_cpu(F2FS_CKPT(sbi
)->cp_pack_start_sum
);
1936 static inline int inc_valid_node_count(struct f2fs_sb_info
*sbi
,
1937 struct inode
*inode
, bool is_inode
)
1939 block_t valid_block_count
;
1940 unsigned int valid_node_count
;
1945 err
= dquot_alloc_inode(inode
);
1950 err
= dquot_reserve_block(inode
, 1);
1955 if (time_to_inject(sbi
, FAULT_BLOCK
)) {
1956 f2fs_show_injection_info(FAULT_BLOCK
);
1960 spin_lock(&sbi
->stat_lock
);
1962 valid_block_count
= sbi
->total_valid_block_count
+
1963 sbi
->current_reserved_blocks
+ 1;
1965 if (!__allow_reserved_blocks(sbi
, inode
, false))
1966 valid_block_count
+= F2FS_OPTION(sbi
).root_reserved_blocks
;
1967 if (unlikely(is_sbi_flag_set(sbi
, SBI_CP_DISABLED
)))
1968 valid_block_count
+= sbi
->unusable_block_count
;
1970 if (unlikely(valid_block_count
> sbi
->user_block_count
)) {
1971 spin_unlock(&sbi
->stat_lock
);
1975 valid_node_count
= sbi
->total_valid_node_count
+ 1;
1976 if (unlikely(valid_node_count
> sbi
->total_node_count
)) {
1977 spin_unlock(&sbi
->stat_lock
);
1981 sbi
->total_valid_node_count
++;
1982 sbi
->total_valid_block_count
++;
1983 spin_unlock(&sbi
->stat_lock
);
1987 f2fs_mark_inode_dirty_sync(inode
, true);
1989 f2fs_i_blocks_write(inode
, 1, true, true);
1992 percpu_counter_inc(&sbi
->alloc_valid_block_count
);
1998 dquot_free_inode(inode
);
2000 dquot_release_reservation_block(inode
, 1);
2005 static inline void dec_valid_node_count(struct f2fs_sb_info
*sbi
,
2006 struct inode
*inode
, bool is_inode
)
2008 spin_lock(&sbi
->stat_lock
);
2010 f2fs_bug_on(sbi
, !sbi
->total_valid_block_count
);
2011 f2fs_bug_on(sbi
, !sbi
->total_valid_node_count
);
2012 f2fs_bug_on(sbi
, !is_inode
&& !inode
->i_blocks
);
2014 sbi
->total_valid_node_count
--;
2015 sbi
->total_valid_block_count
--;
2016 if (sbi
->reserved_blocks
&&
2017 sbi
->current_reserved_blocks
< sbi
->reserved_blocks
)
2018 sbi
->current_reserved_blocks
++;
2020 spin_unlock(&sbi
->stat_lock
);
2023 dquot_free_inode(inode
);
2025 f2fs_i_blocks_write(inode
, 1, false, true);
2028 static inline unsigned int valid_node_count(struct f2fs_sb_info
*sbi
)
2030 return sbi
->total_valid_node_count
;
2033 static inline void inc_valid_inode_count(struct f2fs_sb_info
*sbi
)
2035 percpu_counter_inc(&sbi
->total_valid_inode_count
);
2038 static inline void dec_valid_inode_count(struct f2fs_sb_info
*sbi
)
2040 percpu_counter_dec(&sbi
->total_valid_inode_count
);
2043 static inline s64
valid_inode_count(struct f2fs_sb_info
*sbi
)
2045 return percpu_counter_sum_positive(&sbi
->total_valid_inode_count
);
2048 static inline struct page
*f2fs_grab_cache_page(struct address_space
*mapping
,
2049 pgoff_t index
, bool for_write
)
2053 if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION
)) {
2055 page
= find_get_page_flags(mapping
, index
,
2056 FGP_LOCK
| FGP_ACCESSED
);
2058 page
= find_lock_page(mapping
, index
);
2062 if (time_to_inject(F2FS_M_SB(mapping
), FAULT_PAGE_ALLOC
)) {
2063 f2fs_show_injection_info(FAULT_PAGE_ALLOC
);
2069 return grab_cache_page(mapping
, index
);
2070 return grab_cache_page_write_begin(mapping
, index
, AOP_FLAG_NOFS
);
2073 static inline struct page
*f2fs_pagecache_get_page(
2074 struct address_space
*mapping
, pgoff_t index
,
2075 int fgp_flags
, gfp_t gfp_mask
)
2077 if (time_to_inject(F2FS_M_SB(mapping
), FAULT_PAGE_GET
)) {
2078 f2fs_show_injection_info(FAULT_PAGE_GET
);
2082 return pagecache_get_page(mapping
, index
, fgp_flags
, gfp_mask
);
2085 static inline void f2fs_copy_page(struct page
*src
, struct page
*dst
)
2087 char *src_kaddr
= kmap(src
);
2088 char *dst_kaddr
= kmap(dst
);
2090 memcpy(dst_kaddr
, src_kaddr
, PAGE_SIZE
);
2095 static inline void f2fs_put_page(struct page
*page
, int unlock
)
2101 f2fs_bug_on(F2FS_P_SB(page
), !PageLocked(page
));
2107 static inline void f2fs_put_dnode(struct dnode_of_data
*dn
)
2110 f2fs_put_page(dn
->node_page
, 1);
2111 if (dn
->inode_page
&& dn
->node_page
!= dn
->inode_page
)
2112 f2fs_put_page(dn
->inode_page
, 0);
2113 dn
->node_page
= NULL
;
2114 dn
->inode_page
= NULL
;
2117 static inline struct kmem_cache
*f2fs_kmem_cache_create(const char *name
,
2120 return kmem_cache_create(name
, size
, 0, SLAB_RECLAIM_ACCOUNT
, NULL
);
2123 static inline void *f2fs_kmem_cache_alloc(struct kmem_cache
*cachep
,
2128 entry
= kmem_cache_alloc(cachep
, flags
);
2130 entry
= kmem_cache_alloc(cachep
, flags
| __GFP_NOFAIL
);
2134 static inline struct bio
*f2fs_bio_alloc(struct f2fs_sb_info
*sbi
,
2135 int npages
, bool no_fail
)
2140 /* No failure on bio allocation */
2141 bio
= bio_alloc(GFP_NOIO
, npages
);
2143 bio
= bio_alloc(GFP_NOIO
| __GFP_NOFAIL
, npages
);
2146 if (time_to_inject(sbi
, FAULT_ALLOC_BIO
)) {
2147 f2fs_show_injection_info(FAULT_ALLOC_BIO
);
2151 return bio_alloc(GFP_KERNEL
, npages
);
2154 static inline bool is_idle(struct f2fs_sb_info
*sbi
, int type
)
2156 if (get_pages(sbi
, F2FS_RD_DATA
) || get_pages(sbi
, F2FS_RD_NODE
) ||
2157 get_pages(sbi
, F2FS_RD_META
) || get_pages(sbi
, F2FS_WB_DATA
) ||
2158 get_pages(sbi
, F2FS_WB_CP_DATA
) ||
2159 get_pages(sbi
, F2FS_DIO_READ
) ||
2160 get_pages(sbi
, F2FS_DIO_WRITE
) ||
2161 atomic_read(&SM_I(sbi
)->dcc_info
->queued_discard
) ||
2162 atomic_read(&SM_I(sbi
)->fcc_info
->queued_flush
))
2164 return f2fs_time_over(sbi
, type
);
2167 static inline void f2fs_radix_tree_insert(struct radix_tree_root
*root
,
2168 unsigned long index
, void *item
)
2170 while (radix_tree_insert(root
, index
, item
))
2174 #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino)
2176 static inline bool IS_INODE(struct page
*page
)
2178 struct f2fs_node
*p
= F2FS_NODE(page
);
2180 return RAW_IS_INODE(p
);
2183 static inline int offset_in_addr(struct f2fs_inode
*i
)
2185 return (i
->i_inline
& F2FS_EXTRA_ATTR
) ?
2186 (le16_to_cpu(i
->i_extra_isize
) / sizeof(__le32
)) : 0;
2189 static inline __le32
*blkaddr_in_node(struct f2fs_node
*node
)
2191 return RAW_IS_INODE(node
) ? node
->i
.i_addr
: node
->dn
.addr
;
2194 static inline int f2fs_has_extra_attr(struct inode
*inode
);
2195 static inline block_t
datablock_addr(struct inode
*inode
,
2196 struct page
*node_page
, unsigned int offset
)
2198 struct f2fs_node
*raw_node
;
2201 bool is_inode
= IS_INODE(node_page
);
2203 raw_node
= F2FS_NODE(node_page
);
2205 /* from GC path only */
2208 base
= offset_in_addr(&raw_node
->i
);
2209 else if (f2fs_has_extra_attr(inode
))
2210 base
= get_extra_isize(inode
);
2213 addr_array
= blkaddr_in_node(raw_node
);
2214 return le32_to_cpu(addr_array
[base
+ offset
]);
2217 static inline int f2fs_test_bit(unsigned int nr
, char *addr
)
2222 mask
= 1 << (7 - (nr
& 0x07));
2223 return mask
& *addr
;
2226 static inline void f2fs_set_bit(unsigned int nr
, char *addr
)
2231 mask
= 1 << (7 - (nr
& 0x07));
2235 static inline void f2fs_clear_bit(unsigned int nr
, char *addr
)
2240 mask
= 1 << (7 - (nr
& 0x07));
2244 static inline int f2fs_test_and_set_bit(unsigned int nr
, char *addr
)
2250 mask
= 1 << (7 - (nr
& 0x07));
2256 static inline int f2fs_test_and_clear_bit(unsigned int nr
, char *addr
)
2262 mask
= 1 << (7 - (nr
& 0x07));
2268 static inline void f2fs_change_bit(unsigned int nr
, char *addr
)
2273 mask
= 1 << (7 - (nr
& 0x07));
2280 #define F2FS_SECRM_FL 0x00000001 /* Secure deletion */
2281 #define F2FS_UNRM_FL 0x00000002 /* Undelete */
2282 #define F2FS_COMPR_FL 0x00000004 /* Compress file */
2283 #define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */
2284 #define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */
2285 #define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */
2286 #define F2FS_NODUMP_FL 0x00000040 /* do not dump file */
2287 #define F2FS_NOATIME_FL 0x00000080 /* do not update atime */
2288 /* Reserved for compression usage... */
2289 #define F2FS_DIRTY_FL 0x00000100
2290 #define F2FS_COMPRBLK_FL 0x00000200 /* One or more compressed clusters */
2291 #define F2FS_NOCOMPR_FL 0x00000400 /* Don't compress */
2292 #define F2FS_ENCRYPT_FL 0x00000800 /* encrypted file */
2293 /* End compression flags --- maybe not all used */
2294 #define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */
2295 #define F2FS_IMAGIC_FL 0x00002000 /* AFS directory */
2296 #define F2FS_JOURNAL_DATA_FL 0x00004000 /* file data should be journaled */
2297 #define F2FS_NOTAIL_FL 0x00008000 /* file tail should not be merged */
2298 #define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
2299 #define F2FS_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/
2300 #define F2FS_HUGE_FILE_FL 0x00040000 /* Set to each huge file */
2301 #define F2FS_EXTENTS_FL 0x00080000 /* Inode uses extents */
2302 #define F2FS_EA_INODE_FL 0x00200000 /* Inode used for large EA */
2303 #define F2FS_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */
2304 #define F2FS_INLINE_DATA_FL 0x10000000 /* Inode has inline data. */
2305 #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
2306 #define F2FS_RESERVED_FL 0x80000000 /* reserved for ext4 lib */
2308 #define F2FS_FL_USER_VISIBLE 0x304BDFFF /* User visible flags */
2309 #define F2FS_FL_USER_MODIFIABLE 0x204BC0FF /* User modifiable flags */
2311 /* Flags we can manipulate with through F2FS_IOC_FSSETXATTR */
2312 #define F2FS_FL_XFLAG_VISIBLE (F2FS_SYNC_FL | \
2313 F2FS_IMMUTABLE_FL | \
2317 F2FS_PROJINHERIT_FL)
2319 /* Flags that should be inherited by new inodes from their parent. */
2320 #define F2FS_FL_INHERITED (F2FS_SECRM_FL | F2FS_UNRM_FL | F2FS_COMPR_FL |\
2321 F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL |\
2322 F2FS_NOCOMPR_FL | F2FS_JOURNAL_DATA_FL |\
2323 F2FS_NOTAIL_FL | F2FS_DIRSYNC_FL |\
2324 F2FS_PROJINHERIT_FL)
2326 /* Flags that are appropriate for regular files (all but dir-specific ones). */
2327 #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_TOPDIR_FL))
2329 /* Flags that are appropriate for non-directories/regular files. */
2330 #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL)
2332 static inline __u32
f2fs_mask_flags(umode_t mode
, __u32 flags
)
2336 else if (S_ISREG(mode
))
2337 return flags
& F2FS_REG_FLMASK
;
2339 return flags
& F2FS_OTHER_FLMASK
;
2342 /* used for f2fs_inode_info->flags */
2344 FI_NEW_INODE
, /* indicate newly allocated inode */
2345 FI_DIRTY_INODE
, /* indicate inode is dirty or not */
2346 FI_AUTO_RECOVER
, /* indicate inode is recoverable */
2347 FI_DIRTY_DIR
, /* indicate directory has dirty pages */
2348 FI_INC_LINK
, /* need to increment i_nlink */
2349 FI_ACL_MODE
, /* indicate acl mode */
2350 FI_NO_ALLOC
, /* should not allocate any blocks */
2351 FI_FREE_NID
, /* free allocated nide */
2352 FI_NO_EXTENT
, /* not to use the extent cache */
2353 FI_INLINE_XATTR
, /* used for inline xattr */
2354 FI_INLINE_DATA
, /* used for inline data*/
2355 FI_INLINE_DENTRY
, /* used for inline dentry */
2356 FI_APPEND_WRITE
, /* inode has appended data */
2357 FI_UPDATE_WRITE
, /* inode has in-place-update data */
2358 FI_NEED_IPU
, /* used for ipu per file */
2359 FI_ATOMIC_FILE
, /* indicate atomic file */
2360 FI_ATOMIC_COMMIT
, /* indicate the state of atomical committing */
2361 FI_VOLATILE_FILE
, /* indicate volatile file */
2362 FI_FIRST_BLOCK_WRITTEN
, /* indicate #0 data block was written */
2363 FI_DROP_CACHE
, /* drop dirty page cache */
2364 FI_DATA_EXIST
, /* indicate data exists */
2365 FI_INLINE_DOTS
, /* indicate inline dot dentries */
2366 FI_DO_DEFRAG
, /* indicate defragment is running */
2367 FI_DIRTY_FILE
, /* indicate regular/symlink has dirty pages */
2368 FI_NO_PREALLOC
, /* indicate skipped preallocated blocks */
2369 FI_HOT_DATA
, /* indicate file is hot */
2370 FI_EXTRA_ATTR
, /* indicate file has extra attribute */
2371 FI_PROJ_INHERIT
, /* indicate file inherits projectid */
2372 FI_PIN_FILE
, /* indicate file should not be gced */
2373 FI_ATOMIC_REVOKE_REQUEST
, /* request to drop atomic data */
2376 static inline void __mark_inode_dirty_flag(struct inode
*inode
,
2380 case FI_INLINE_XATTR
:
2381 case FI_INLINE_DATA
:
2382 case FI_INLINE_DENTRY
:
2388 case FI_INLINE_DOTS
:
2390 f2fs_mark_inode_dirty_sync(inode
, true);
2394 static inline void set_inode_flag(struct inode
*inode
, int flag
)
2396 if (!test_bit(flag
, &F2FS_I(inode
)->flags
))
2397 set_bit(flag
, &F2FS_I(inode
)->flags
);
2398 __mark_inode_dirty_flag(inode
, flag
, true);
2401 static inline int is_inode_flag_set(struct inode
*inode
, int flag
)
2403 return test_bit(flag
, &F2FS_I(inode
)->flags
);
2406 static inline void clear_inode_flag(struct inode
*inode
, int flag
)
2408 if (test_bit(flag
, &F2FS_I(inode
)->flags
))
2409 clear_bit(flag
, &F2FS_I(inode
)->flags
);
2410 __mark_inode_dirty_flag(inode
, flag
, false);
2413 static inline void set_acl_inode(struct inode
*inode
, umode_t mode
)
2415 F2FS_I(inode
)->i_acl_mode
= mode
;
2416 set_inode_flag(inode
, FI_ACL_MODE
);
2417 f2fs_mark_inode_dirty_sync(inode
, false);
2420 static inline void f2fs_i_links_write(struct inode
*inode
, bool inc
)
2426 f2fs_mark_inode_dirty_sync(inode
, true);
2429 static inline void f2fs_i_blocks_write(struct inode
*inode
,
2430 block_t diff
, bool add
, bool claim
)
2432 bool clean
= !is_inode_flag_set(inode
, FI_DIRTY_INODE
);
2433 bool recover
= is_inode_flag_set(inode
, FI_AUTO_RECOVER
);
2435 /* add = 1, claim = 1 should be dquot_reserve_block in pair */
2438 dquot_claim_block(inode
, diff
);
2440 dquot_alloc_block_nofail(inode
, diff
);
2442 dquot_free_block(inode
, diff
);
2445 f2fs_mark_inode_dirty_sync(inode
, true);
2446 if (clean
|| recover
)
2447 set_inode_flag(inode
, FI_AUTO_RECOVER
);
2450 static inline void f2fs_i_size_write(struct inode
*inode
, loff_t i_size
)
2452 bool clean
= !is_inode_flag_set(inode
, FI_DIRTY_INODE
);
2453 bool recover
= is_inode_flag_set(inode
, FI_AUTO_RECOVER
);
2455 if (i_size_read(inode
) == i_size
)
2458 i_size_write(inode
, i_size
);
2459 f2fs_mark_inode_dirty_sync(inode
, true);
2460 if (clean
|| recover
)
2461 set_inode_flag(inode
, FI_AUTO_RECOVER
);
2464 static inline void f2fs_i_depth_write(struct inode
*inode
, unsigned int depth
)
2466 F2FS_I(inode
)->i_current_depth
= depth
;
2467 f2fs_mark_inode_dirty_sync(inode
, true);
2470 static inline void f2fs_i_gc_failures_write(struct inode
*inode
,
2473 F2FS_I(inode
)->i_gc_failures
[GC_FAILURE_PIN
] = count
;
2474 f2fs_mark_inode_dirty_sync(inode
, true);
2477 static inline void f2fs_i_xnid_write(struct inode
*inode
, nid_t xnid
)
2479 F2FS_I(inode
)->i_xattr_nid
= xnid
;
2480 f2fs_mark_inode_dirty_sync(inode
, true);
2483 static inline void f2fs_i_pino_write(struct inode
*inode
, nid_t pino
)
2485 F2FS_I(inode
)->i_pino
= pino
;
2486 f2fs_mark_inode_dirty_sync(inode
, true);
2489 static inline void get_inline_info(struct inode
*inode
, struct f2fs_inode
*ri
)
2491 struct f2fs_inode_info
*fi
= F2FS_I(inode
);
2493 if (ri
->i_inline
& F2FS_INLINE_XATTR
)
2494 set_bit(FI_INLINE_XATTR
, &fi
->flags
);
2495 if (ri
->i_inline
& F2FS_INLINE_DATA
)
2496 set_bit(FI_INLINE_DATA
, &fi
->flags
);
2497 if (ri
->i_inline
& F2FS_INLINE_DENTRY
)
2498 set_bit(FI_INLINE_DENTRY
, &fi
->flags
);
2499 if (ri
->i_inline
& F2FS_DATA_EXIST
)
2500 set_bit(FI_DATA_EXIST
, &fi
->flags
);
2501 if (ri
->i_inline
& F2FS_INLINE_DOTS
)
2502 set_bit(FI_INLINE_DOTS
, &fi
->flags
);
2503 if (ri
->i_inline
& F2FS_EXTRA_ATTR
)
2504 set_bit(FI_EXTRA_ATTR
, &fi
->flags
);
2505 if (ri
->i_inline
& F2FS_PIN_FILE
)
2506 set_bit(FI_PIN_FILE
, &fi
->flags
);
2509 static inline void set_raw_inline(struct inode
*inode
, struct f2fs_inode
*ri
)
2513 if (is_inode_flag_set(inode
, FI_INLINE_XATTR
))
2514 ri
->i_inline
|= F2FS_INLINE_XATTR
;
2515 if (is_inode_flag_set(inode
, FI_INLINE_DATA
))
2516 ri
->i_inline
|= F2FS_INLINE_DATA
;
2517 if (is_inode_flag_set(inode
, FI_INLINE_DENTRY
))
2518 ri
->i_inline
|= F2FS_INLINE_DENTRY
;
2519 if (is_inode_flag_set(inode
, FI_DATA_EXIST
))
2520 ri
->i_inline
|= F2FS_DATA_EXIST
;
2521 if (is_inode_flag_set(inode
, FI_INLINE_DOTS
))
2522 ri
->i_inline
|= F2FS_INLINE_DOTS
;
2523 if (is_inode_flag_set(inode
, FI_EXTRA_ATTR
))
2524 ri
->i_inline
|= F2FS_EXTRA_ATTR
;
2525 if (is_inode_flag_set(inode
, FI_PIN_FILE
))
2526 ri
->i_inline
|= F2FS_PIN_FILE
;
2529 static inline int f2fs_has_extra_attr(struct inode
*inode
)
2531 return is_inode_flag_set(inode
, FI_EXTRA_ATTR
);
2534 static inline int f2fs_has_inline_xattr(struct inode
*inode
)
2536 return is_inode_flag_set(inode
, FI_INLINE_XATTR
);
2539 static inline unsigned int addrs_per_inode(struct inode
*inode
)
2541 return CUR_ADDRS_PER_INODE(inode
) - get_inline_xattr_addrs(inode
);
2544 static inline void *inline_xattr_addr(struct inode
*inode
, struct page
*page
)
2546 struct f2fs_inode
*ri
= F2FS_INODE(page
);
2548 return (void *)&(ri
->i_addr
[DEF_ADDRS_PER_INODE
-
2549 get_inline_xattr_addrs(inode
)]);
2552 static inline int inline_xattr_size(struct inode
*inode
)
2554 return get_inline_xattr_addrs(inode
) * sizeof(__le32
);
2557 static inline int f2fs_has_inline_data(struct inode
*inode
)
2559 return is_inode_flag_set(inode
, FI_INLINE_DATA
);
2562 static inline int f2fs_exist_data(struct inode
*inode
)
2564 return is_inode_flag_set(inode
, FI_DATA_EXIST
);
2567 static inline int f2fs_has_inline_dots(struct inode
*inode
)
2569 return is_inode_flag_set(inode
, FI_INLINE_DOTS
);
2572 static inline bool f2fs_is_pinned_file(struct inode
*inode
)
2574 return is_inode_flag_set(inode
, FI_PIN_FILE
);
2577 static inline bool f2fs_is_atomic_file(struct inode
*inode
)
2579 return is_inode_flag_set(inode
, FI_ATOMIC_FILE
);
2582 static inline bool f2fs_is_commit_atomic_write(struct inode
*inode
)
2584 return is_inode_flag_set(inode
, FI_ATOMIC_COMMIT
);
2587 static inline bool f2fs_is_volatile_file(struct inode
*inode
)
2589 return is_inode_flag_set(inode
, FI_VOLATILE_FILE
);
2592 static inline bool f2fs_is_first_block_written(struct inode
*inode
)
2594 return is_inode_flag_set(inode
, FI_FIRST_BLOCK_WRITTEN
);
2597 static inline bool f2fs_is_drop_cache(struct inode
*inode
)
2599 return is_inode_flag_set(inode
, FI_DROP_CACHE
);
2602 static inline void *inline_data_addr(struct inode
*inode
, struct page
*page
)
2604 struct f2fs_inode
*ri
= F2FS_INODE(page
);
2605 int extra_size
= get_extra_isize(inode
);
2607 return (void *)&(ri
->i_addr
[extra_size
+ DEF_INLINE_RESERVED_SIZE
]);
2610 static inline int f2fs_has_inline_dentry(struct inode
*inode
)
2612 return is_inode_flag_set(inode
, FI_INLINE_DENTRY
);
2615 static inline int is_file(struct inode
*inode
, int type
)
2617 return F2FS_I(inode
)->i_advise
& type
;
2620 static inline void set_file(struct inode
*inode
, int type
)
2622 F2FS_I(inode
)->i_advise
|= type
;
2623 f2fs_mark_inode_dirty_sync(inode
, true);
2626 static inline void clear_file(struct inode
*inode
, int type
)
2628 F2FS_I(inode
)->i_advise
&= ~type
;
2629 f2fs_mark_inode_dirty_sync(inode
, true);
2632 static inline bool f2fs_skip_inode_update(struct inode
*inode
, int dsync
)
2637 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
2639 spin_lock(&sbi
->inode_lock
[DIRTY_META
]);
2640 ret
= list_empty(&F2FS_I(inode
)->gdirty_list
);
2641 spin_unlock(&sbi
->inode_lock
[DIRTY_META
]);
2644 if (!is_inode_flag_set(inode
, FI_AUTO_RECOVER
) ||
2645 file_keep_isize(inode
) ||
2646 i_size_read(inode
) & ~PAGE_MASK
)
2649 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
, &inode
->i_atime
))
2651 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 1, &inode
->i_ctime
))
2653 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 2, &inode
->i_mtime
))
2655 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 3,
2656 &F2FS_I(inode
)->i_crtime
))
2659 down_read(&F2FS_I(inode
)->i_sem
);
2660 ret
= F2FS_I(inode
)->last_disk_size
== i_size_read(inode
);
2661 up_read(&F2FS_I(inode
)->i_sem
);
2666 static inline bool f2fs_readonly(struct super_block
*sb
)
2668 return sb_rdonly(sb
);
2671 static inline bool f2fs_cp_error(struct f2fs_sb_info
*sbi
)
2673 return is_set_ckpt_flags(sbi
, CP_ERROR_FLAG
);
2676 static inline bool is_dot_dotdot(const struct qstr
*str
)
2678 if (str
->len
== 1 && str
->name
[0] == '.')
2681 if (str
->len
== 2 && str
->name
[0] == '.' && str
->name
[1] == '.')
2687 static inline bool f2fs_may_extent_tree(struct inode
*inode
)
2689 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
2691 if (!test_opt(sbi
, EXTENT_CACHE
) ||
2692 is_inode_flag_set(inode
, FI_NO_EXTENT
))
2696 * for recovered files during mount do not create extents
2697 * if shrinker is not registered.
2699 if (list_empty(&sbi
->s_list
))
2702 return S_ISREG(inode
->i_mode
);
2705 static inline void *f2fs_kmalloc(struct f2fs_sb_info
*sbi
,
2706 size_t size
, gfp_t flags
)
2710 if (time_to_inject(sbi
, FAULT_KMALLOC
)) {
2711 f2fs_show_injection_info(FAULT_KMALLOC
);
2715 ret
= kmalloc(size
, flags
);
2719 return kvmalloc(size
, flags
);
2722 static inline void *f2fs_kzalloc(struct f2fs_sb_info
*sbi
,
2723 size_t size
, gfp_t flags
)
2725 return f2fs_kmalloc(sbi
, size
, flags
| __GFP_ZERO
);
2728 static inline void *f2fs_kvmalloc(struct f2fs_sb_info
*sbi
,
2729 size_t size
, gfp_t flags
)
2731 if (time_to_inject(sbi
, FAULT_KVMALLOC
)) {
2732 f2fs_show_injection_info(FAULT_KVMALLOC
);
2736 return kvmalloc(size
, flags
);
2739 static inline void *f2fs_kvzalloc(struct f2fs_sb_info
*sbi
,
2740 size_t size
, gfp_t flags
)
2742 return f2fs_kvmalloc(sbi
, size
, flags
| __GFP_ZERO
);
2745 static inline int get_extra_isize(struct inode
*inode
)
2747 return F2FS_I(inode
)->i_extra_isize
/ sizeof(__le32
);
2750 static inline int get_inline_xattr_addrs(struct inode
*inode
)
2752 return F2FS_I(inode
)->i_inline_xattr_size
;
2755 #define f2fs_get_inode_mode(i) \
2756 ((is_inode_flag_set(i, FI_ACL_MODE)) ? \
2757 (F2FS_I(i)->i_acl_mode) : ((i)->i_mode))
2759 #define F2FS_TOTAL_EXTRA_ATTR_SIZE \
2760 (offsetof(struct f2fs_inode, i_extra_end) - \
2761 offsetof(struct f2fs_inode, i_extra_isize)) \
2763 #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr))
2764 #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \
2765 ((offsetof(typeof(*f2fs_inode), field) + \
2766 sizeof((f2fs_inode)->field)) \
2767 <= (F2FS_OLD_ATTRIBUTE_SIZE + extra_isize)) \
2769 static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi)
2773 spin_lock(&sbi
->iostat_lock
);
2774 for (i
= 0; i
< NR_IO_TYPE
; i
++)
2775 sbi
->write_iostat
[i
] = 0;
2776 spin_unlock(&sbi
->iostat_lock
);
2779 static inline void f2fs_update_iostat(struct f2fs_sb_info
*sbi
,
2780 enum iostat_type type
, unsigned long long io_bytes
)
2782 if (!sbi
->iostat_enable
)
2784 spin_lock(&sbi
->iostat_lock
);
2785 sbi
->write_iostat
[type
] += io_bytes
;
2787 if (type
== APP_WRITE_IO
|| type
== APP_DIRECT_IO
)
2788 sbi
->write_iostat
[APP_BUFFERED_IO
] =
2789 sbi
->write_iostat
[APP_WRITE_IO
] -
2790 sbi
->write_iostat
[APP_DIRECT_IO
];
2791 spin_unlock(&sbi
->iostat_lock
);
2794 #define __is_large_section(sbi) ((sbi)->segs_per_sec > 1)
2796 #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO(fio->type) == META && \
2797 (!is_read_io(fio->op) || fio->is_meta))
2799 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info
*sbi
,
2800 block_t blkaddr
, int type
);
2801 void f2fs_msg(struct super_block
*sb
, const char *level
, const char *fmt
, ...);
2802 static inline void verify_blkaddr(struct f2fs_sb_info
*sbi
,
2803 block_t blkaddr
, int type
)
2805 if (!f2fs_is_valid_blkaddr(sbi
, blkaddr
, type
)) {
2806 f2fs_msg(sbi
->sb
, KERN_ERR
,
2807 "invalid blkaddr: %u, type: %d, run fsck to fix.",
2809 f2fs_bug_on(sbi
, 1);
2813 static inline bool __is_valid_data_blkaddr(block_t blkaddr
)
2815 if (blkaddr
== NEW_ADDR
|| blkaddr
== NULL_ADDR
)
2820 static inline bool is_valid_data_blkaddr(struct f2fs_sb_info
*sbi
,
2823 if (!__is_valid_data_blkaddr(blkaddr
))
2825 verify_blkaddr(sbi
, blkaddr
, DATA_GENERIC
);
2832 int f2fs_sync_file(struct file
*file
, loff_t start
, loff_t end
, int datasync
);
2833 void f2fs_truncate_data_blocks(struct dnode_of_data
*dn
);
2834 int f2fs_truncate_blocks(struct inode
*inode
, u64 from
, bool lock
,
2836 int f2fs_truncate(struct inode
*inode
);
2837 int f2fs_getattr(const struct path
*path
, struct kstat
*stat
,
2838 u32 request_mask
, unsigned int flags
);
2839 int f2fs_setattr(struct dentry
*dentry
, struct iattr
*attr
);
2840 int f2fs_truncate_hole(struct inode
*inode
, pgoff_t pg_start
, pgoff_t pg_end
);
2841 void f2fs_truncate_data_blocks_range(struct dnode_of_data
*dn
, int count
);
2842 int f2fs_precache_extents(struct inode
*inode
);
2843 long f2fs_ioctl(struct file
*filp
, unsigned int cmd
, unsigned long arg
);
2844 long f2fs_compat_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
);
2845 int f2fs_transfer_project_quota(struct inode
*inode
, kprojid_t kprojid
);
2846 int f2fs_pin_file_control(struct inode
*inode
, bool inc
);
2851 void f2fs_set_inode_flags(struct inode
*inode
);
2852 bool f2fs_inode_chksum_verify(struct f2fs_sb_info
*sbi
, struct page
*page
);
2853 void f2fs_inode_chksum_set(struct f2fs_sb_info
*sbi
, struct page
*page
);
2854 struct inode
*f2fs_iget(struct super_block
*sb
, unsigned long ino
);
2855 struct inode
*f2fs_iget_retry(struct super_block
*sb
, unsigned long ino
);
2856 int f2fs_try_to_free_nats(struct f2fs_sb_info
*sbi
, int nr_shrink
);
2857 void f2fs_update_inode(struct inode
*inode
, struct page
*node_page
);
2858 void f2fs_update_inode_page(struct inode
*inode
);
2859 int f2fs_write_inode(struct inode
*inode
, struct writeback_control
*wbc
);
2860 void f2fs_evict_inode(struct inode
*inode
);
2861 void f2fs_handle_failed_inode(struct inode
*inode
);
2866 int f2fs_update_extension_list(struct f2fs_sb_info
*sbi
, const char *name
,
2867 bool hot
, bool set
);
2868 struct dentry
*f2fs_get_parent(struct dentry
*child
);
2873 unsigned char f2fs_get_de_type(struct f2fs_dir_entry
*de
);
2874 struct f2fs_dir_entry
*f2fs_find_target_dentry(struct fscrypt_name
*fname
,
2875 f2fs_hash_t namehash
, int *max_slots
,
2876 struct f2fs_dentry_ptr
*d
);
2877 int f2fs_fill_dentries(struct dir_context
*ctx
, struct f2fs_dentry_ptr
*d
,
2878 unsigned int start_pos
, struct fscrypt_str
*fstr
);
2879 void f2fs_do_make_empty_dir(struct inode
*inode
, struct inode
*parent
,
2880 struct f2fs_dentry_ptr
*d
);
2881 struct page
*f2fs_init_inode_metadata(struct inode
*inode
, struct inode
*dir
,
2882 const struct qstr
*new_name
,
2883 const struct qstr
*orig_name
, struct page
*dpage
);
2884 void f2fs_update_parent_metadata(struct inode
*dir
, struct inode
*inode
,
2885 unsigned int current_depth
);
2886 int f2fs_room_for_filename(const void *bitmap
, int slots
, int max_slots
);
2887 void f2fs_drop_nlink(struct inode
*dir
, struct inode
*inode
);
2888 struct f2fs_dir_entry
*__f2fs_find_entry(struct inode
*dir
,
2889 struct fscrypt_name
*fname
, struct page
**res_page
);
2890 struct f2fs_dir_entry
*f2fs_find_entry(struct inode
*dir
,
2891 const struct qstr
*child
, struct page
**res_page
);
2892 struct f2fs_dir_entry
*f2fs_parent_dir(struct inode
*dir
, struct page
**p
);
2893 ino_t
f2fs_inode_by_name(struct inode
*dir
, const struct qstr
*qstr
,
2894 struct page
**page
);
2895 void f2fs_set_link(struct inode
*dir
, struct f2fs_dir_entry
*de
,
2896 struct page
*page
, struct inode
*inode
);
2897 void f2fs_update_dentry(nid_t ino
, umode_t mode
, struct f2fs_dentry_ptr
*d
,
2898 const struct qstr
*name
, f2fs_hash_t name_hash
,
2899 unsigned int bit_pos
);
2900 int f2fs_add_regular_entry(struct inode
*dir
, const struct qstr
*new_name
,
2901 const struct qstr
*orig_name
,
2902 struct inode
*inode
, nid_t ino
, umode_t mode
);
2903 int f2fs_add_dentry(struct inode
*dir
, struct fscrypt_name
*fname
,
2904 struct inode
*inode
, nid_t ino
, umode_t mode
);
2905 int f2fs_do_add_link(struct inode
*dir
, const struct qstr
*name
,
2906 struct inode
*inode
, nid_t ino
, umode_t mode
);
2907 void f2fs_delete_entry(struct f2fs_dir_entry
*dentry
, struct page
*page
,
2908 struct inode
*dir
, struct inode
*inode
);
2909 int f2fs_do_tmpfile(struct inode
*inode
, struct inode
*dir
);
2910 bool f2fs_empty_dir(struct inode
*dir
);
2912 static inline int f2fs_add_link(struct dentry
*dentry
, struct inode
*inode
)
2914 return f2fs_do_add_link(d_inode(dentry
->d_parent
), &dentry
->d_name
,
2915 inode
, inode
->i_ino
, inode
->i_mode
);
2921 int f2fs_inode_dirtied(struct inode
*inode
, bool sync
);
2922 void f2fs_inode_synced(struct inode
*inode
);
2923 int f2fs_enable_quota_files(struct f2fs_sb_info
*sbi
, bool rdonly
);
2924 int f2fs_quota_sync(struct super_block
*sb
, int type
);
2925 void f2fs_quota_off_umount(struct super_block
*sb
);
2926 int f2fs_commit_super(struct f2fs_sb_info
*sbi
, bool recover
);
2927 int f2fs_sync_fs(struct super_block
*sb
, int sync
);
2928 extern __printf(3, 4)
2929 void f2fs_msg(struct super_block
*sb
, const char *level
, const char *fmt
, ...);
2930 int f2fs_sanity_check_ckpt(struct f2fs_sb_info
*sbi
);
2935 f2fs_hash_t
f2fs_dentry_hash(const struct qstr
*name_info
,
2936 struct fscrypt_name
*fname
);
2941 struct dnode_of_data
;
2944 int f2fs_check_nid_range(struct f2fs_sb_info
*sbi
, nid_t nid
);
2945 bool f2fs_available_free_memory(struct f2fs_sb_info
*sbi
, int type
);
2946 bool f2fs_in_warm_node_list(struct f2fs_sb_info
*sbi
, struct page
*page
);
2947 void f2fs_init_fsync_node_info(struct f2fs_sb_info
*sbi
);
2948 void f2fs_del_fsync_node_entry(struct f2fs_sb_info
*sbi
, struct page
*page
);
2949 void f2fs_reset_fsync_node_info(struct f2fs_sb_info
*sbi
);
2950 int f2fs_need_dentry_mark(struct f2fs_sb_info
*sbi
, nid_t nid
);
2951 bool f2fs_is_checkpointed_node(struct f2fs_sb_info
*sbi
, nid_t nid
);
2952 bool f2fs_need_inode_block_update(struct f2fs_sb_info
*sbi
, nid_t ino
);
2953 int f2fs_get_node_info(struct f2fs_sb_info
*sbi
, nid_t nid
,
2954 struct node_info
*ni
);
2955 pgoff_t
f2fs_get_next_page_offset(struct dnode_of_data
*dn
, pgoff_t pgofs
);
2956 int f2fs_get_dnode_of_data(struct dnode_of_data
*dn
, pgoff_t index
, int mode
);
2957 int f2fs_truncate_inode_blocks(struct inode
*inode
, pgoff_t from
);
2958 int f2fs_truncate_xattr_node(struct inode
*inode
);
2959 int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info
*sbi
,
2960 unsigned int seq_id
);
2961 int f2fs_remove_inode_page(struct inode
*inode
);
2962 struct page
*f2fs_new_inode_page(struct inode
*inode
);
2963 struct page
*f2fs_new_node_page(struct dnode_of_data
*dn
, unsigned int ofs
);
2964 void f2fs_ra_node_page(struct f2fs_sb_info
*sbi
, nid_t nid
);
2965 struct page
*f2fs_get_node_page(struct f2fs_sb_info
*sbi
, pgoff_t nid
);
2966 struct page
*f2fs_get_node_page_ra(struct page
*parent
, int start
);
2967 int f2fs_move_node_page(struct page
*node_page
, int gc_type
);
2968 int f2fs_fsync_node_pages(struct f2fs_sb_info
*sbi
, struct inode
*inode
,
2969 struct writeback_control
*wbc
, bool atomic
,
2970 unsigned int *seq_id
);
2971 int f2fs_sync_node_pages(struct f2fs_sb_info
*sbi
,
2972 struct writeback_control
*wbc
,
2973 bool do_balance
, enum iostat_type io_type
);
2974 int f2fs_build_free_nids(struct f2fs_sb_info
*sbi
, bool sync
, bool mount
);
2975 bool f2fs_alloc_nid(struct f2fs_sb_info
*sbi
, nid_t
*nid
);
2976 void f2fs_alloc_nid_done(struct f2fs_sb_info
*sbi
, nid_t nid
);
2977 void f2fs_alloc_nid_failed(struct f2fs_sb_info
*sbi
, nid_t nid
);
2978 int f2fs_try_to_free_nids(struct f2fs_sb_info
*sbi
, int nr_shrink
);
2979 void f2fs_recover_inline_xattr(struct inode
*inode
, struct page
*page
);
2980 int f2fs_recover_xattr_data(struct inode
*inode
, struct page
*page
);
2981 int f2fs_recover_inode_page(struct f2fs_sb_info
*sbi
, struct page
*page
);
2982 int f2fs_restore_node_summary(struct f2fs_sb_info
*sbi
,
2983 unsigned int segno
, struct f2fs_summary_block
*sum
);
2984 int f2fs_flush_nat_entries(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
2985 int f2fs_build_node_manager(struct f2fs_sb_info
*sbi
);
2986 void f2fs_destroy_node_manager(struct f2fs_sb_info
*sbi
);
2987 int __init
f2fs_create_node_manager_caches(void);
2988 void f2fs_destroy_node_manager_caches(void);
2993 bool f2fs_need_SSR(struct f2fs_sb_info
*sbi
);
2994 void f2fs_register_inmem_page(struct inode
*inode
, struct page
*page
);
2995 void f2fs_drop_inmem_pages_all(struct f2fs_sb_info
*sbi
, bool gc_failure
);
2996 void f2fs_drop_inmem_pages(struct inode
*inode
);
2997 void f2fs_drop_inmem_page(struct inode
*inode
, struct page
*page
);
2998 int f2fs_commit_inmem_pages(struct inode
*inode
);
2999 void f2fs_balance_fs(struct f2fs_sb_info
*sbi
, bool need
);
3000 void f2fs_balance_fs_bg(struct f2fs_sb_info
*sbi
);
3001 int f2fs_issue_flush(struct f2fs_sb_info
*sbi
, nid_t ino
);
3002 int f2fs_create_flush_cmd_control(struct f2fs_sb_info
*sbi
);
3003 int f2fs_flush_device_cache(struct f2fs_sb_info
*sbi
);
3004 void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info
*sbi
, bool free
);
3005 void f2fs_invalidate_blocks(struct f2fs_sb_info
*sbi
, block_t addr
);
3006 bool f2fs_is_checkpointed_data(struct f2fs_sb_info
*sbi
, block_t blkaddr
);
3007 void f2fs_drop_discard_cmd(struct f2fs_sb_info
*sbi
);
3008 void f2fs_stop_discard_thread(struct f2fs_sb_info
*sbi
);
3009 bool f2fs_wait_discard_bios(struct f2fs_sb_info
*sbi
);
3010 void f2fs_clear_prefree_segments(struct f2fs_sb_info
*sbi
,
3011 struct cp_control
*cpc
);
3012 void f2fs_dirty_to_prefree(struct f2fs_sb_info
*sbi
);
3013 int f2fs_disable_cp_again(struct f2fs_sb_info
*sbi
);
3014 void f2fs_release_discard_addrs(struct f2fs_sb_info
*sbi
);
3015 int f2fs_npages_for_summary_flush(struct f2fs_sb_info
*sbi
, bool for_ra
);
3016 void f2fs_allocate_new_segments(struct f2fs_sb_info
*sbi
);
3017 int f2fs_trim_fs(struct f2fs_sb_info
*sbi
, struct fstrim_range
*range
);
3018 bool f2fs_exist_trim_candidates(struct f2fs_sb_info
*sbi
,
3019 struct cp_control
*cpc
);
3020 struct page
*f2fs_get_sum_page(struct f2fs_sb_info
*sbi
, unsigned int segno
);
3021 void f2fs_update_meta_page(struct f2fs_sb_info
*sbi
, void *src
,
3023 void f2fs_do_write_meta_page(struct f2fs_sb_info
*sbi
, struct page
*page
,
3024 enum iostat_type io_type
);
3025 void f2fs_do_write_node_page(unsigned int nid
, struct f2fs_io_info
*fio
);
3026 void f2fs_outplace_write_data(struct dnode_of_data
*dn
,
3027 struct f2fs_io_info
*fio
);
3028 int f2fs_inplace_write_data(struct f2fs_io_info
*fio
);
3029 void f2fs_do_replace_block(struct f2fs_sb_info
*sbi
, struct f2fs_summary
*sum
,
3030 block_t old_blkaddr
, block_t new_blkaddr
,
3031 bool recover_curseg
, bool recover_newaddr
);
3032 void f2fs_replace_block(struct f2fs_sb_info
*sbi
, struct dnode_of_data
*dn
,
3033 block_t old_addr
, block_t new_addr
,
3034 unsigned char version
, bool recover_curseg
,
3035 bool recover_newaddr
);
3036 void f2fs_allocate_data_block(struct f2fs_sb_info
*sbi
, struct page
*page
,
3037 block_t old_blkaddr
, block_t
*new_blkaddr
,
3038 struct f2fs_summary
*sum
, int type
,
3039 struct f2fs_io_info
*fio
, bool add_list
);
3040 void f2fs_wait_on_page_writeback(struct page
*page
,
3041 enum page_type type
, bool ordered
, bool locked
);
3042 void f2fs_wait_on_block_writeback(struct inode
*inode
, block_t blkaddr
);
3043 void f2fs_wait_on_block_writeback_range(struct inode
*inode
, block_t blkaddr
,
3045 void f2fs_write_data_summaries(struct f2fs_sb_info
*sbi
, block_t start_blk
);
3046 void f2fs_write_node_summaries(struct f2fs_sb_info
*sbi
, block_t start_blk
);
3047 int f2fs_lookup_journal_in_cursum(struct f2fs_journal
*journal
, int type
,
3048 unsigned int val
, int alloc
);
3049 void f2fs_flush_sit_entries(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
3050 int f2fs_build_segment_manager(struct f2fs_sb_info
*sbi
);
3051 void f2fs_destroy_segment_manager(struct f2fs_sb_info
*sbi
);
3052 int __init
f2fs_create_segment_manager_caches(void);
3053 void f2fs_destroy_segment_manager_caches(void);
3054 int f2fs_rw_hint_to_seg_type(enum rw_hint hint
);
3055 enum rw_hint
f2fs_io_type_to_rw_hint(struct f2fs_sb_info
*sbi
,
3056 enum page_type type
, enum temp_type temp
);
3061 void f2fs_stop_checkpoint(struct f2fs_sb_info
*sbi
, bool end_io
);
3062 struct page
*f2fs_grab_meta_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3063 struct page
*f2fs_get_meta_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3064 struct page
*f2fs_get_meta_page_nofail(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3065 struct page
*f2fs_get_tmp_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3066 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info
*sbi
,
3067 block_t blkaddr
, int type
);
3068 int f2fs_ra_meta_pages(struct f2fs_sb_info
*sbi
, block_t start
, int nrpages
,
3069 int type
, bool sync
);
3070 void f2fs_ra_meta_pages_cond(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3071 long f2fs_sync_meta_pages(struct f2fs_sb_info
*sbi
, enum page_type type
,
3072 long nr_to_write
, enum iostat_type io_type
);
3073 void f2fs_add_ino_entry(struct f2fs_sb_info
*sbi
, nid_t ino
, int type
);
3074 void f2fs_remove_ino_entry(struct f2fs_sb_info
*sbi
, nid_t ino
, int type
);
3075 void f2fs_release_ino_entry(struct f2fs_sb_info
*sbi
, bool all
);
3076 bool f2fs_exist_written_data(struct f2fs_sb_info
*sbi
, nid_t ino
, int mode
);
3077 void f2fs_set_dirty_device(struct f2fs_sb_info
*sbi
, nid_t ino
,
3078 unsigned int devidx
, int type
);
3079 bool f2fs_is_dirty_device(struct f2fs_sb_info
*sbi
, nid_t ino
,
3080 unsigned int devidx
, int type
);
3081 int f2fs_sync_inode_meta(struct f2fs_sb_info
*sbi
);
3082 int f2fs_acquire_orphan_inode(struct f2fs_sb_info
*sbi
);
3083 void f2fs_release_orphan_inode(struct f2fs_sb_info
*sbi
);
3084 void f2fs_add_orphan_inode(struct inode
*inode
);
3085 void f2fs_remove_orphan_inode(struct f2fs_sb_info
*sbi
, nid_t ino
);
3086 int f2fs_recover_orphan_inodes(struct f2fs_sb_info
*sbi
);
3087 int f2fs_get_valid_checkpoint(struct f2fs_sb_info
*sbi
);
3088 void f2fs_update_dirty_page(struct inode
*inode
, struct page
*page
);
3089 void f2fs_remove_dirty_inode(struct inode
*inode
);
3090 int f2fs_sync_dirty_inodes(struct f2fs_sb_info
*sbi
, enum inode_type type
);
3091 void f2fs_wait_on_all_pages_writeback(struct f2fs_sb_info
*sbi
);
3092 int f2fs_write_checkpoint(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
3093 void f2fs_init_ino_entry_info(struct f2fs_sb_info
*sbi
);
3094 int __init
f2fs_create_checkpoint_caches(void);
3095 void f2fs_destroy_checkpoint_caches(void);
3100 int f2fs_init_post_read_processing(void);
3101 void f2fs_destroy_post_read_processing(void);
3102 void f2fs_submit_merged_write(struct f2fs_sb_info
*sbi
, enum page_type type
);
3103 void f2fs_submit_merged_write_cond(struct f2fs_sb_info
*sbi
,
3104 struct inode
*inode
, struct page
*page
,
3105 nid_t ino
, enum page_type type
);
3106 void f2fs_flush_merged_writes(struct f2fs_sb_info
*sbi
);
3107 int f2fs_submit_page_bio(struct f2fs_io_info
*fio
);
3108 void f2fs_submit_page_write(struct f2fs_io_info
*fio
);
3109 struct block_device
*f2fs_target_device(struct f2fs_sb_info
*sbi
,
3110 block_t blk_addr
, struct bio
*bio
);
3111 int f2fs_target_device_index(struct f2fs_sb_info
*sbi
, block_t blkaddr
);
3112 void f2fs_set_data_blkaddr(struct dnode_of_data
*dn
);
3113 void f2fs_update_data_blkaddr(struct dnode_of_data
*dn
, block_t blkaddr
);
3114 int f2fs_reserve_new_blocks(struct dnode_of_data
*dn
, blkcnt_t count
);
3115 int f2fs_reserve_new_block(struct dnode_of_data
*dn
);
3116 int f2fs_get_block(struct dnode_of_data
*dn
, pgoff_t index
);
3117 int f2fs_preallocate_blocks(struct kiocb
*iocb
, struct iov_iter
*from
);
3118 int f2fs_reserve_block(struct dnode_of_data
*dn
, pgoff_t index
);
3119 struct page
*f2fs_get_read_data_page(struct inode
*inode
, pgoff_t index
,
3120 int op_flags
, bool for_write
);
3121 struct page
*f2fs_find_data_page(struct inode
*inode
, pgoff_t index
);
3122 struct page
*f2fs_get_lock_data_page(struct inode
*inode
, pgoff_t index
,
3124 struct page
*f2fs_get_new_data_page(struct inode
*inode
,
3125 struct page
*ipage
, pgoff_t index
, bool new_i_size
);
3126 int f2fs_do_write_data_page(struct f2fs_io_info
*fio
);
3127 void __do_map_lock(struct f2fs_sb_info
*sbi
, int flag
, bool lock
);
3128 int f2fs_map_blocks(struct inode
*inode
, struct f2fs_map_blocks
*map
,
3129 int create
, int flag
);
3130 int f2fs_fiemap(struct inode
*inode
, struct fiemap_extent_info
*fieinfo
,
3131 u64 start
, u64 len
);
3132 bool f2fs_should_update_inplace(struct inode
*inode
, struct f2fs_io_info
*fio
);
3133 bool f2fs_should_update_outplace(struct inode
*inode
, struct f2fs_io_info
*fio
);
3134 void f2fs_invalidate_page(struct page
*page
, unsigned int offset
,
3135 unsigned int length
);
3136 int f2fs_release_page(struct page
*page
, gfp_t wait
);
3137 #ifdef CONFIG_MIGRATION
3138 int f2fs_migrate_page(struct address_space
*mapping
, struct page
*newpage
,
3139 struct page
*page
, enum migrate_mode mode
);
3141 bool f2fs_overwrite_io(struct inode
*inode
, loff_t pos
, size_t len
);
3142 void f2fs_clear_page_cache_dirty_tag(struct page
*page
);
3147 int f2fs_start_gc_thread(struct f2fs_sb_info
*sbi
);
3148 void f2fs_stop_gc_thread(struct f2fs_sb_info
*sbi
);
3149 block_t
f2fs_start_bidx_of_node(unsigned int node_ofs
, struct inode
*inode
);
3150 int f2fs_gc(struct f2fs_sb_info
*sbi
, bool sync
, bool background
,
3151 unsigned int segno
);
3152 void f2fs_build_gc_manager(struct f2fs_sb_info
*sbi
);
3157 int f2fs_recover_fsync_data(struct f2fs_sb_info
*sbi
, bool check_only
);
3158 bool f2fs_space_for_roll_forward(struct f2fs_sb_info
*sbi
);
3163 #ifdef CONFIG_F2FS_STAT_FS
3164 struct f2fs_stat_info
{
3165 struct list_head stat_list
;
3166 struct f2fs_sb_info
*sbi
;
3167 int all_area_segs
, sit_area_segs
, nat_area_segs
, ssa_area_segs
;
3168 int main_area_segs
, main_area_sections
, main_area_zones
;
3169 unsigned long long hit_largest
, hit_cached
, hit_rbtree
;
3170 unsigned long long hit_total
, total_ext
;
3171 int ext_tree
, zombie_tree
, ext_node
;
3172 int ndirty_node
, ndirty_dent
, ndirty_meta
, ndirty_imeta
;
3173 int ndirty_data
, ndirty_qdata
;
3175 unsigned int ndirty_dirs
, ndirty_files
, nquota_files
, ndirty_all
;
3176 int nats
, dirty_nats
, sits
, dirty_sits
;
3177 int free_nids
, avail_nids
, alloc_nids
;
3178 int total_count
, utilization
;
3179 int bg_gc
, nr_wb_cp_data
, nr_wb_data
;
3180 int nr_rd_data
, nr_rd_node
, nr_rd_meta
;
3181 int nr_dio_read
, nr_dio_write
;
3182 unsigned int io_skip_bggc
, other_skip_bggc
;
3183 int nr_flushing
, nr_flushed
, flush_list_empty
;
3184 int nr_discarding
, nr_discarded
;
3186 unsigned int undiscard_blks
;
3187 int inline_xattr
, inline_inode
, inline_dir
, append
, update
, orphans
;
3188 int aw_cnt
, max_aw_cnt
, vw_cnt
, max_vw_cnt
;
3189 unsigned int valid_count
, valid_node_count
, valid_inode_count
, discard_blks
;
3190 unsigned int bimodal
, avg_vblocks
;
3191 int util_free
, util_valid
, util_invalid
;
3192 int rsvd_segs
, overp_segs
;
3193 int dirty_count
, node_pages
, meta_pages
;
3194 int prefree_count
, call_count
, cp_count
, bg_cp_count
;
3195 int tot_segs
, node_segs
, data_segs
, free_segs
, free_secs
;
3196 int bg_node_segs
, bg_data_segs
;
3197 int tot_blks
, data_blks
, node_blks
;
3198 int bg_data_blks
, bg_node_blks
;
3199 unsigned long long skipped_atomic_files
[2];
3200 int curseg
[NR_CURSEG_TYPE
];
3201 int cursec
[NR_CURSEG_TYPE
];
3202 int curzone
[NR_CURSEG_TYPE
];
3204 unsigned int meta_count
[META_MAX
];
3205 unsigned int segment_count
[2];
3206 unsigned int block_count
[2];
3207 unsigned int inplace_count
;
3208 unsigned long long base_mem
, cache_mem
, page_mem
;
3211 static inline struct f2fs_stat_info
*F2FS_STAT(struct f2fs_sb_info
*sbi
)
3213 return (struct f2fs_stat_info
*)sbi
->stat_info
;
3216 #define stat_inc_cp_count(si) ((si)->cp_count++)
3217 #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++)
3218 #define stat_inc_call_count(si) ((si)->call_count++)
3219 #define stat_inc_bggc_count(sbi) ((sbi)->bg_gc++)
3220 #define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++)
3221 #define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++)
3222 #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++)
3223 #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--)
3224 #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext))
3225 #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree))
3226 #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest))
3227 #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached))
3228 #define stat_inc_inline_xattr(inode) \
3230 if (f2fs_has_inline_xattr(inode)) \
3231 (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \
3233 #define stat_dec_inline_xattr(inode) \
3235 if (f2fs_has_inline_xattr(inode)) \
3236 (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \
3238 #define stat_inc_inline_inode(inode) \
3240 if (f2fs_has_inline_data(inode)) \
3241 (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \
3243 #define stat_dec_inline_inode(inode) \
3245 if (f2fs_has_inline_data(inode)) \
3246 (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \
3248 #define stat_inc_inline_dir(inode) \
3250 if (f2fs_has_inline_dentry(inode)) \
3251 (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \
3253 #define stat_dec_inline_dir(inode) \
3255 if (f2fs_has_inline_dentry(inode)) \
3256 (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \
3258 #define stat_inc_meta_count(sbi, blkaddr) \
3260 if (blkaddr < SIT_I(sbi)->sit_base_addr) \
3261 atomic_inc(&(sbi)->meta_count[META_CP]); \
3262 else if (blkaddr < NM_I(sbi)->nat_blkaddr) \
3263 atomic_inc(&(sbi)->meta_count[META_SIT]); \
3264 else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \
3265 atomic_inc(&(sbi)->meta_count[META_NAT]); \
3266 else if (blkaddr < SM_I(sbi)->main_blkaddr) \
3267 atomic_inc(&(sbi)->meta_count[META_SSA]); \
3269 #define stat_inc_seg_type(sbi, curseg) \
3270 ((sbi)->segment_count[(curseg)->alloc_type]++)
3271 #define stat_inc_block_count(sbi, curseg) \
3272 ((sbi)->block_count[(curseg)->alloc_type]++)
3273 #define stat_inc_inplace_blocks(sbi) \
3274 (atomic_inc(&(sbi)->inplace_count))
3275 #define stat_inc_atomic_write(inode) \
3276 (atomic_inc(&F2FS_I_SB(inode)->aw_cnt))
3277 #define stat_dec_atomic_write(inode) \
3278 (atomic_dec(&F2FS_I_SB(inode)->aw_cnt))
3279 #define stat_update_max_atomic_write(inode) \
3281 int cur = atomic_read(&F2FS_I_SB(inode)->aw_cnt); \
3282 int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \
3284 atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \
3286 #define stat_inc_volatile_write(inode) \
3287 (atomic_inc(&F2FS_I_SB(inode)->vw_cnt))
3288 #define stat_dec_volatile_write(inode) \
3289 (atomic_dec(&F2FS_I_SB(inode)->vw_cnt))
3290 #define stat_update_max_volatile_write(inode) \
3292 int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \
3293 int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \
3295 atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \
3297 #define stat_inc_seg_count(sbi, type, gc_type) \
3299 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3301 if ((type) == SUM_TYPE_DATA) { \
3303 si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \
3306 si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \
3310 #define stat_inc_tot_blk_count(si, blks) \
3311 ((si)->tot_blks += (blks))
3313 #define stat_inc_data_blk_count(sbi, blks, gc_type) \
3315 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3316 stat_inc_tot_blk_count(si, blks); \
3317 si->data_blks += (blks); \
3318 si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3321 #define stat_inc_node_blk_count(sbi, blks, gc_type) \
3323 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3324 stat_inc_tot_blk_count(si, blks); \
3325 si->node_blks += (blks); \
3326 si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3329 int f2fs_build_stats(struct f2fs_sb_info
*sbi
);
3330 void f2fs_destroy_stats(struct f2fs_sb_info
*sbi
);
3331 void __init
f2fs_create_root_stats(void);
3332 void f2fs_destroy_root_stats(void);
3334 #define stat_inc_cp_count(si) do { } while (0)
3335 #define stat_inc_bg_cp_count(si) do { } while (0)
3336 #define stat_inc_call_count(si) do { } while (0)
3337 #define stat_inc_bggc_count(si) do { } while (0)
3338 #define stat_io_skip_bggc_count(sbi) do { } while (0)
3339 #define stat_other_skip_bggc_count(sbi) do { } while (0)
3340 #define stat_inc_dirty_inode(sbi, type) do { } while (0)
3341 #define stat_dec_dirty_inode(sbi, type) do { } while (0)
3342 #define stat_inc_total_hit(sb) do { } while (0)
3343 #define stat_inc_rbtree_node_hit(sb) do { } while (0)
3344 #define stat_inc_largest_node_hit(sbi) do { } while (0)
3345 #define stat_inc_cached_node_hit(sbi) do { } while (0)
3346 #define stat_inc_inline_xattr(inode) do { } while (0)
3347 #define stat_dec_inline_xattr(inode) do { } while (0)
3348 #define stat_inc_inline_inode(inode) do { } while (0)
3349 #define stat_dec_inline_inode(inode) do { } while (0)
3350 #define stat_inc_inline_dir(inode) do { } while (0)
3351 #define stat_dec_inline_dir(inode) do { } while (0)
3352 #define stat_inc_atomic_write(inode) do { } while (0)
3353 #define stat_dec_atomic_write(inode) do { } while (0)
3354 #define stat_update_max_atomic_write(inode) do { } while (0)
3355 #define stat_inc_volatile_write(inode) do { } while (0)
3356 #define stat_dec_volatile_write(inode) do { } while (0)
3357 #define stat_update_max_volatile_write(inode) do { } while (0)
3358 #define stat_inc_meta_count(sbi, blkaddr) do { } while (0)
3359 #define stat_inc_seg_type(sbi, curseg) do { } while (0)
3360 #define stat_inc_block_count(sbi, curseg) do { } while (0)
3361 #define stat_inc_inplace_blocks(sbi) do { } while (0)
3362 #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0)
3363 #define stat_inc_tot_blk_count(si, blks) do { } while (0)
3364 #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0)
3365 #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0)
3367 static inline int f2fs_build_stats(struct f2fs_sb_info
*sbi
) { return 0; }
3368 static inline void f2fs_destroy_stats(struct f2fs_sb_info
*sbi
) { }
3369 static inline void __init
f2fs_create_root_stats(void) { }
3370 static inline void f2fs_destroy_root_stats(void) { }
3373 extern const struct file_operations f2fs_dir_operations
;
3374 extern const struct file_operations f2fs_file_operations
;
3375 extern const struct inode_operations f2fs_file_inode_operations
;
3376 extern const struct address_space_operations f2fs_dblock_aops
;
3377 extern const struct address_space_operations f2fs_node_aops
;
3378 extern const struct address_space_operations f2fs_meta_aops
;
3379 extern const struct inode_operations f2fs_dir_inode_operations
;
3380 extern const struct inode_operations f2fs_symlink_inode_operations
;
3381 extern const struct inode_operations f2fs_encrypted_symlink_inode_operations
;
3382 extern const struct inode_operations f2fs_special_inode_operations
;
3383 extern struct kmem_cache
*f2fs_inode_entry_slab
;
3388 bool f2fs_may_inline_data(struct inode
*inode
);
3389 bool f2fs_may_inline_dentry(struct inode
*inode
);
3390 void f2fs_do_read_inline_data(struct page
*page
, struct page
*ipage
);
3391 void f2fs_truncate_inline_inode(struct inode
*inode
,
3392 struct page
*ipage
, u64 from
);
3393 int f2fs_read_inline_data(struct inode
*inode
, struct page
*page
);
3394 int f2fs_convert_inline_page(struct dnode_of_data
*dn
, struct page
*page
);
3395 int f2fs_convert_inline_inode(struct inode
*inode
);
3396 int f2fs_write_inline_data(struct inode
*inode
, struct page
*page
);
3397 bool f2fs_recover_inline_data(struct inode
*inode
, struct page
*npage
);
3398 struct f2fs_dir_entry
*f2fs_find_in_inline_dir(struct inode
*dir
,
3399 struct fscrypt_name
*fname
, struct page
**res_page
);
3400 int f2fs_make_empty_inline_dir(struct inode
*inode
, struct inode
*parent
,
3401 struct page
*ipage
);
3402 int f2fs_add_inline_entry(struct inode
*dir
, const struct qstr
*new_name
,
3403 const struct qstr
*orig_name
,
3404 struct inode
*inode
, nid_t ino
, umode_t mode
);
3405 void f2fs_delete_inline_entry(struct f2fs_dir_entry
*dentry
,
3406 struct page
*page
, struct inode
*dir
,
3407 struct inode
*inode
);
3408 bool f2fs_empty_inline_dir(struct inode
*dir
);
3409 int f2fs_read_inline_dir(struct file
*file
, struct dir_context
*ctx
,
3410 struct fscrypt_str
*fstr
);
3411 int f2fs_inline_data_fiemap(struct inode
*inode
,
3412 struct fiemap_extent_info
*fieinfo
,
3413 __u64 start
, __u64 len
);
3418 unsigned long f2fs_shrink_count(struct shrinker
*shrink
,
3419 struct shrink_control
*sc
);
3420 unsigned long f2fs_shrink_scan(struct shrinker
*shrink
,
3421 struct shrink_control
*sc
);
3422 void f2fs_join_shrinker(struct f2fs_sb_info
*sbi
);
3423 void f2fs_leave_shrinker(struct f2fs_sb_info
*sbi
);
3428 struct rb_entry
*f2fs_lookup_rb_tree(struct rb_root_cached
*root
,
3429 struct rb_entry
*cached_re
, unsigned int ofs
);
3430 struct rb_node
**f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info
*sbi
,
3431 struct rb_root_cached
*root
,
3432 struct rb_node
**parent
,
3433 unsigned int ofs
, bool *leftmost
);
3434 struct rb_entry
*f2fs_lookup_rb_tree_ret(struct rb_root_cached
*root
,
3435 struct rb_entry
*cached_re
, unsigned int ofs
,
3436 struct rb_entry
**prev_entry
, struct rb_entry
**next_entry
,
3437 struct rb_node
***insert_p
, struct rb_node
**insert_parent
,
3438 bool force
, bool *leftmost
);
3439 bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info
*sbi
,
3440 struct rb_root_cached
*root
);
3441 unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info
*sbi
, int nr_shrink
);
3442 bool f2fs_init_extent_tree(struct inode
*inode
, struct f2fs_extent
*i_ext
);
3443 void f2fs_drop_extent_tree(struct inode
*inode
);
3444 unsigned int f2fs_destroy_extent_node(struct inode
*inode
);
3445 void f2fs_destroy_extent_tree(struct inode
*inode
);
3446 bool f2fs_lookup_extent_cache(struct inode
*inode
, pgoff_t pgofs
,
3447 struct extent_info
*ei
);
3448 void f2fs_update_extent_cache(struct dnode_of_data
*dn
);
3449 void f2fs_update_extent_cache_range(struct dnode_of_data
*dn
,
3450 pgoff_t fofs
, block_t blkaddr
, unsigned int len
);
3451 void f2fs_init_extent_cache_info(struct f2fs_sb_info
*sbi
);
3452 int __init
f2fs_create_extent_cache(void);
3453 void f2fs_destroy_extent_cache(void);
3458 int __init
f2fs_init_sysfs(void);
3459 void f2fs_exit_sysfs(void);
3460 int f2fs_register_sysfs(struct f2fs_sb_info
*sbi
);
3461 void f2fs_unregister_sysfs(struct f2fs_sb_info
*sbi
);
3466 static inline bool f2fs_encrypted_inode(struct inode
*inode
)
3468 return file_is_encrypt(inode
);
3471 static inline bool f2fs_encrypted_file(struct inode
*inode
)
3473 return f2fs_encrypted_inode(inode
) && S_ISREG(inode
->i_mode
);
3476 static inline void f2fs_set_encrypted_inode(struct inode
*inode
)
3478 #ifdef CONFIG_F2FS_FS_ENCRYPTION
3479 file_set_encrypt(inode
);
3480 f2fs_set_inode_flags(inode
);
3485 * Returns true if the reads of the inode's data need to undergo some
3486 * postprocessing step, like decryption or authenticity verification.
3488 static inline bool f2fs_post_read_required(struct inode
*inode
)
3490 return f2fs_encrypted_file(inode
);
3493 #define F2FS_FEATURE_FUNCS(name, flagname) \
3494 static inline int f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \
3496 return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \
3499 F2FS_FEATURE_FUNCS(encrypt
, ENCRYPT
);
3500 F2FS_FEATURE_FUNCS(blkzoned
, BLKZONED
);
3501 F2FS_FEATURE_FUNCS(extra_attr
, EXTRA_ATTR
);
3502 F2FS_FEATURE_FUNCS(project_quota
, PRJQUOTA
);
3503 F2FS_FEATURE_FUNCS(inode_chksum
, INODE_CHKSUM
);
3504 F2FS_FEATURE_FUNCS(flexible_inline_xattr
, FLEXIBLE_INLINE_XATTR
);
3505 F2FS_FEATURE_FUNCS(quota_ino
, QUOTA_INO
);
3506 F2FS_FEATURE_FUNCS(inode_crtime
, INODE_CRTIME
);
3507 F2FS_FEATURE_FUNCS(lost_found
, LOST_FOUND
);
3508 F2FS_FEATURE_FUNCS(sb_chksum
, SB_CHKSUM
);
3510 #ifdef CONFIG_BLK_DEV_ZONED
3511 static inline int get_blkz_type(struct f2fs_sb_info
*sbi
,
3512 struct block_device
*bdev
, block_t blkaddr
)
3514 unsigned int zno
= blkaddr
>> sbi
->log_blocks_per_blkz
;
3517 for (i
= 0; i
< sbi
->s_ndevs
; i
++)
3518 if (FDEV(i
).bdev
== bdev
)
3519 return FDEV(i
).blkz_type
[zno
];
3524 static inline bool f2fs_hw_should_discard(struct f2fs_sb_info
*sbi
)
3526 return f2fs_sb_has_blkzoned(sbi
);
3529 static inline bool f2fs_hw_support_discard(struct f2fs_sb_info
*sbi
)
3531 return blk_queue_discard(bdev_get_queue(sbi
->sb
->s_bdev
));
3534 static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info
*sbi
)
3536 return (test_opt(sbi
, DISCARD
) && f2fs_hw_support_discard(sbi
)) ||
3537 f2fs_hw_should_discard(sbi
);
3540 static inline void set_opt_mode(struct f2fs_sb_info
*sbi
, unsigned int mt
)
3542 clear_opt(sbi
, ADAPTIVE
);
3543 clear_opt(sbi
, LFS
);
3546 case F2FS_MOUNT_ADAPTIVE
:
3547 set_opt(sbi
, ADAPTIVE
);
3549 case F2FS_MOUNT_LFS
:
3555 static inline bool f2fs_may_encrypt(struct inode
*inode
)
3557 #ifdef CONFIG_F2FS_FS_ENCRYPTION
3558 umode_t mode
= inode
->i_mode
;
3560 return (S_ISREG(mode
) || S_ISDIR(mode
) || S_ISLNK(mode
));
3566 static inline int block_unaligned_IO(struct inode
*inode
,
3567 struct kiocb
*iocb
, struct iov_iter
*iter
)
3569 unsigned int i_blkbits
= READ_ONCE(inode
->i_blkbits
);
3570 unsigned int blocksize_mask
= (1 << i_blkbits
) - 1;
3571 loff_t offset
= iocb
->ki_pos
;
3572 unsigned long align
= offset
| iov_iter_alignment(iter
);
3574 return align
& blocksize_mask
;
3577 static inline int allow_outplace_dio(struct inode
*inode
,
3578 struct kiocb
*iocb
, struct iov_iter
*iter
)
3580 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
3581 int rw
= iov_iter_rw(iter
);
3583 return (test_opt(sbi
, LFS
) && (rw
== WRITE
) &&
3584 !block_unaligned_IO(inode
, iocb
, iter
));
3587 static inline bool f2fs_force_buffered_io(struct inode
*inode
,
3588 struct kiocb
*iocb
, struct iov_iter
*iter
)
3590 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
3591 int rw
= iov_iter_rw(iter
);
3593 if (f2fs_post_read_required(inode
))
3598 * for blkzoned device, fallback direct IO to buffered IO, so
3599 * all IOs can be serialized by log-structured write.
3601 if (f2fs_sb_has_blkzoned(sbi
))
3603 if (test_opt(sbi
, LFS
) && (rw
== WRITE
) &&
3604 block_unaligned_IO(inode
, iocb
, iter
))
3606 if (is_sbi_flag_set(F2FS_I_SB(inode
), SBI_CP_DISABLED
))
3612 #ifdef CONFIG_F2FS_FAULT_INJECTION
3613 extern void f2fs_build_fault_attr(struct f2fs_sb_info
*sbi
, unsigned int rate
,
3616 #define f2fs_build_fault_attr(sbi, rate, type) do { } while (0)
3621 static inline bool is_journalled_quota(struct f2fs_sb_info
*sbi
)
3624 if (f2fs_sb_has_quota_ino(sbi
))
3626 if (F2FS_OPTION(sbi
).s_qf_names
[USRQUOTA
] ||
3627 F2FS_OPTION(sbi
).s_qf_names
[GRPQUOTA
] ||
3628 F2FS_OPTION(sbi
).s_qf_names
[PRJQUOTA
])