1 /* SPDX-License-Identifier: GPL-2.0 */
5 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
6 * http://www.samsung.com/
11 #include <linux/uio.h>
12 #include <linux/types.h>
13 #include <linux/page-flags.h>
14 #include <linux/buffer_head.h>
15 #include <linux/slab.h>
16 #include <linux/crc32.h>
17 #include <linux/magic.h>
18 #include <linux/kobject.h>
19 #include <linux/sched.h>
20 #include <linux/cred.h>
21 #include <linux/vmalloc.h>
22 #include <linux/bio.h>
23 #include <linux/blkdev.h>
24 #include <linux/quotaops.h>
25 #include <linux/part_stat.h>
26 #include <crypto/hash.h>
28 #include <linux/fscrypt.h>
29 #include <linux/fsverity.h>
31 #ifdef CONFIG_F2FS_CHECK_FS
32 #define f2fs_bug_on(sbi, condition) BUG_ON(condition)
34 #define f2fs_bug_on(sbi, condition) \
36 if (WARN_ON(condition)) \
37 set_sbi_flag(sbi, SBI_NEED_FSCK); \
60 #ifdef CONFIG_F2FS_FAULT_INJECTION
61 #define F2FS_ALL_FAULT_TYPE ((1 << FAULT_MAX) - 1)
63 struct f2fs_fault_info
{
65 unsigned int inject_rate
;
66 unsigned int inject_type
;
69 extern const char *f2fs_fault_name
[FAULT_MAX
];
70 #define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type)))
76 #define F2FS_MOUNT_DISABLE_ROLL_FORWARD 0x00000002
77 #define F2FS_MOUNT_DISCARD 0x00000004
78 #define F2FS_MOUNT_NOHEAP 0x00000008
79 #define F2FS_MOUNT_XATTR_USER 0x00000010
80 #define F2FS_MOUNT_POSIX_ACL 0x00000020
81 #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040
82 #define F2FS_MOUNT_INLINE_XATTR 0x00000080
83 #define F2FS_MOUNT_INLINE_DATA 0x00000100
84 #define F2FS_MOUNT_INLINE_DENTRY 0x00000200
85 #define F2FS_MOUNT_FLUSH_MERGE 0x00000400
86 #define F2FS_MOUNT_NOBARRIER 0x00000800
87 #define F2FS_MOUNT_FASTBOOT 0x00001000
88 #define F2FS_MOUNT_EXTENT_CACHE 0x00002000
89 #define F2FS_MOUNT_DATA_FLUSH 0x00008000
90 #define F2FS_MOUNT_FAULT_INJECTION 0x00010000
91 #define F2FS_MOUNT_USRQUOTA 0x00080000
92 #define F2FS_MOUNT_GRPQUOTA 0x00100000
93 #define F2FS_MOUNT_PRJQUOTA 0x00200000
94 #define F2FS_MOUNT_QUOTA 0x00400000
95 #define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00800000
96 #define F2FS_MOUNT_RESERVE_ROOT 0x01000000
97 #define F2FS_MOUNT_DISABLE_CHECKPOINT 0x02000000
98 #define F2FS_MOUNT_NORECOVERY 0x04000000
99 #define F2FS_MOUNT_ATGC 0x08000000
101 #define F2FS_OPTION(sbi) ((sbi)->mount_opt)
102 #define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option)
103 #define set_opt(sbi, option) (F2FS_OPTION(sbi).opt |= F2FS_MOUNT_##option)
104 #define test_opt(sbi, option) (F2FS_OPTION(sbi).opt & F2FS_MOUNT_##option)
106 #define ver_after(a, b) (typecheck(unsigned long long, a) && \
107 typecheck(unsigned long long, b) && \
108 ((long long)((a) - (b)) > 0))
110 typedef u32 block_t
; /*
111 * should not change u32, since it is the on-disk block
112 * address format, __le32.
116 #define COMPRESS_EXT_NUM 16
118 struct f2fs_mount_info
{
120 int write_io_size_bits
; /* Write IO size bits */
121 block_t root_reserved_blocks
; /* root reserved blocks */
122 kuid_t s_resuid
; /* reserved blocks for uid */
123 kgid_t s_resgid
; /* reserved blocks for gid */
124 int active_logs
; /* # of active logs */
125 int inline_xattr_size
; /* inline xattr size */
126 #ifdef CONFIG_F2FS_FAULT_INJECTION
127 struct f2fs_fault_info fault_info
; /* For fault injection */
130 /* Names of quota files with journalled quota */
131 char *s_qf_names
[MAXQUOTAS
];
132 int s_jquota_fmt
; /* Format of quota to use */
134 /* For which write hints are passed down to block layer */
136 int alloc_mode
; /* segment allocation policy */
137 int fsync_mode
; /* fsync policy */
138 int fs_mode
; /* fs mode: LFS or ADAPTIVE */
139 int bggc_mode
; /* bggc mode: off, on or sync */
140 struct fscrypt_dummy_policy dummy_enc_policy
; /* test dummy encryption */
141 block_t unusable_cap_perc
; /* percentage for cap */
142 block_t unusable_cap
; /* Amount of space allowed to be
143 * unusable when disabling checkpoint
146 /* For compression */
147 unsigned char compress_algorithm
; /* algorithm type */
148 unsigned char compress_log_size
; /* cluster log size */
149 bool compress_chksum
; /* compressed data chksum */
150 unsigned char compress_ext_cnt
; /* extension count */
151 int compress_mode
; /* compression mode */
152 unsigned char extensions
[COMPRESS_EXT_NUM
][F2FS_EXTENSION_LEN
]; /* extensions */
155 #define F2FS_FEATURE_ENCRYPT 0x0001
156 #define F2FS_FEATURE_BLKZONED 0x0002
157 #define F2FS_FEATURE_ATOMIC_WRITE 0x0004
158 #define F2FS_FEATURE_EXTRA_ATTR 0x0008
159 #define F2FS_FEATURE_PRJQUOTA 0x0010
160 #define F2FS_FEATURE_INODE_CHKSUM 0x0020
161 #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040
162 #define F2FS_FEATURE_QUOTA_INO 0x0080
163 #define F2FS_FEATURE_INODE_CRTIME 0x0100
164 #define F2FS_FEATURE_LOST_FOUND 0x0200
165 #define F2FS_FEATURE_VERITY 0x0400
166 #define F2FS_FEATURE_SB_CHKSUM 0x0800
167 #define F2FS_FEATURE_CASEFOLD 0x1000
168 #define F2FS_FEATURE_COMPRESSION 0x2000
170 #define __F2FS_HAS_FEATURE(raw_super, mask) \
171 ((raw_super->feature & cpu_to_le32(mask)) != 0)
172 #define F2FS_HAS_FEATURE(sbi, mask) __F2FS_HAS_FEATURE(sbi->raw_super, mask)
173 #define F2FS_SET_FEATURE(sbi, mask) \
174 (sbi->raw_super->feature |= cpu_to_le32(mask))
175 #define F2FS_CLEAR_FEATURE(sbi, mask) \
176 (sbi->raw_super->feature &= ~cpu_to_le32(mask))
179 * Default values for user and/or group using reserved blocks
181 #define F2FS_DEF_RESUID 0
182 #define F2FS_DEF_RESGID 0
185 * For checkpoint manager
192 #define CP_UMOUNT 0x00000001
193 #define CP_FASTBOOT 0x00000002
194 #define CP_SYNC 0x00000004
195 #define CP_RECOVERY 0x00000008
196 #define CP_DISCARD 0x00000010
197 #define CP_TRIMMED 0x00000020
198 #define CP_PAUSE 0x00000040
199 #define CP_RESIZE 0x00000080
201 #define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi)
202 #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */
203 #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */
204 #define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */
205 #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */
206 #define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */
207 #define DEF_CP_INTERVAL 60 /* 60 secs */
208 #define DEF_IDLE_INTERVAL 5 /* 5 secs */
209 #define DEF_DISABLE_INTERVAL 5 /* 5 secs */
210 #define DEF_DISABLE_QUICK_INTERVAL 1 /* 1 secs */
211 #define DEF_UMOUNT_DISCARD_TIMEOUT 5 /* 5 secs */
221 * indicate meta/data type
230 DATA_GENERIC
, /* check range only */
231 DATA_GENERIC_ENHANCE
, /* strong check on range and segment bitmap */
232 DATA_GENERIC_ENHANCE_READ
, /*
233 * strong check on range and segment
234 * bitmap but no warning due to race
235 * condition of read on truncated area
241 /* for the list of ino */
243 ORPHAN_INO
, /* for orphan ino list */
244 APPEND_INO
, /* for append ino list */
245 UPDATE_INO
, /* for update ino list */
246 TRANS_DIR_INO
, /* for trasactions dir ino list */
247 FLUSH_INO
, /* for multiple device flushing */
248 MAX_INO_ENTRY
, /* max. list */
252 struct list_head list
; /* list head */
253 nid_t ino
; /* inode number */
254 unsigned int dirty_device
; /* dirty device bitmap */
257 /* for the list of inodes to be GCed */
259 struct list_head list
; /* list head */
260 struct inode
*inode
; /* vfs inode pointer */
263 struct fsync_node_entry
{
264 struct list_head list
; /* list head */
265 struct page
*page
; /* warm node page pointer */
266 unsigned int seq_id
; /* sequence id */
269 /* for the bitmap indicate blocks to be discarded */
270 struct discard_entry
{
271 struct list_head list
; /* list head */
272 block_t start_blkaddr
; /* start blockaddr of current segment */
273 unsigned char discard_map
[SIT_VBLOCK_MAP_SIZE
]; /* segment discard bitmap */
276 /* default discard granularity of inner discard thread, unit: block count */
277 #define DEFAULT_DISCARD_GRANULARITY 16
279 /* max discard pend list number */
280 #define MAX_PLIST_NUM 512
281 #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \
282 (MAX_PLIST_NUM - 1) : ((blk_num) - 1))
285 D_PREP
, /* initial */
286 D_PARTIAL
, /* partially submitted */
287 D_SUBMIT
, /* all submitted */
288 D_DONE
, /* finished */
291 struct discard_info
{
292 block_t lstart
; /* logical start address */
293 block_t len
; /* length */
294 block_t start
; /* actual start address in dev */
298 struct rb_node rb_node
; /* rb node located in rb-tree */
301 block_t lstart
; /* logical start address */
302 block_t len
; /* length */
303 block_t start
; /* actual start address in dev */
305 struct discard_info di
; /* discard info */
308 struct list_head list
; /* command list */
309 struct completion wait
; /* compleation */
310 struct block_device
*bdev
; /* bdev */
311 unsigned short ref
; /* reference count */
312 unsigned char state
; /* state */
313 unsigned char queued
; /* queued discard */
314 int error
; /* bio error */
315 spinlock_t lock
; /* for state/bio_ref updating */
316 unsigned short bio_ref
; /* bio reference count */
327 struct discard_policy
{
328 int type
; /* type of discard */
329 unsigned int min_interval
; /* used for candidates exist */
330 unsigned int mid_interval
; /* used for device busy */
331 unsigned int max_interval
; /* used for candidates not exist */
332 unsigned int max_requests
; /* # of discards issued per round */
333 unsigned int io_aware_gran
; /* minimum granularity discard not be aware of I/O */
334 bool io_aware
; /* issue discard in idle time */
335 bool sync
; /* submit discard with REQ_SYNC flag */
336 bool ordered
; /* issue discard by lba order */
337 bool timeout
; /* discard timeout for put_super */
338 unsigned int granularity
; /* discard granularity */
341 struct discard_cmd_control
{
342 struct task_struct
*f2fs_issue_discard
; /* discard thread */
343 struct list_head entry_list
; /* 4KB discard entry list */
344 struct list_head pend_list
[MAX_PLIST_NUM
];/* store pending entries */
345 struct list_head wait_list
; /* store on-flushing entries */
346 struct list_head fstrim_list
; /* in-flight discard from fstrim */
347 wait_queue_head_t discard_wait_queue
; /* waiting queue for wake-up */
348 unsigned int discard_wake
; /* to wake up discard thread */
349 struct mutex cmd_lock
;
350 unsigned int nr_discards
; /* # of discards in the list */
351 unsigned int max_discards
; /* max. discards to be issued */
352 unsigned int discard_granularity
; /* discard granularity */
353 unsigned int undiscard_blks
; /* # of undiscard blocks */
354 unsigned int next_pos
; /* next discard position */
355 atomic_t issued_discard
; /* # of issued discard */
356 atomic_t queued_discard
; /* # of queued discard */
357 atomic_t discard_cmd_cnt
; /* # of cached cmd count */
358 struct rb_root_cached root
; /* root of discard rb-tree */
359 bool rbtree_check
; /* config for consistence check */
362 /* for the list of fsync inodes, used only during recovery */
363 struct fsync_inode_entry
{
364 struct list_head list
; /* list head */
365 struct inode
*inode
; /* vfs inode pointer */
366 block_t blkaddr
; /* block address locating the last fsync */
367 block_t last_dentry
; /* block address locating the last dentry */
370 #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats))
371 #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits))
373 #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne)
374 #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid)
375 #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se)
376 #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno)
378 #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl))
379 #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl))
381 static inline int update_nats_in_cursum(struct f2fs_journal
*journal
, int i
)
383 int before
= nats_in_cursum(journal
);
385 journal
->n_nats
= cpu_to_le16(before
+ i
);
389 static inline int update_sits_in_cursum(struct f2fs_journal
*journal
, int i
)
391 int before
= sits_in_cursum(journal
);
393 journal
->n_sits
= cpu_to_le16(before
+ i
);
397 static inline bool __has_cursum_space(struct f2fs_journal
*journal
,
400 if (type
== NAT_JOURNAL
)
401 return size
<= MAX_NAT_JENTRIES(journal
);
402 return size
<= MAX_SIT_JENTRIES(journal
);
405 /* for inline stuff */
406 #define DEF_INLINE_RESERVED_SIZE 1
407 static inline int get_extra_isize(struct inode
*inode
);
408 static inline int get_inline_xattr_addrs(struct inode
*inode
);
409 #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \
410 (CUR_ADDRS_PER_INODE(inode) - \
411 get_inline_xattr_addrs(inode) - \
412 DEF_INLINE_RESERVED_SIZE))
415 #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \
416 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
418 #define INLINE_DENTRY_BITMAP_SIZE(inode) \
419 DIV_ROUND_UP(NR_INLINE_DENTRY(inode), BITS_PER_BYTE)
420 #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \
421 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
422 NR_INLINE_DENTRY(inode) + \
423 INLINE_DENTRY_BITMAP_SIZE(inode)))
426 * For INODE and NODE manager
428 /* for directory operations */
430 struct f2fs_filename
{
432 * The filename the user specified. This is NULL for some
433 * filesystem-internal operations, e.g. converting an inline directory
434 * to a non-inline one, or roll-forward recovering an encrypted dentry.
436 const struct qstr
*usr_fname
;
439 * The on-disk filename. For encrypted directories, this is encrypted.
440 * This may be NULL for lookups in an encrypted dir without the key.
442 struct fscrypt_str disk_name
;
444 /* The dirhash of this filename */
447 #ifdef CONFIG_FS_ENCRYPTION
449 * For lookups in encrypted directories: either the buffer backing
450 * disk_name, or a buffer that holds the decoded no-key name.
452 struct fscrypt_str crypto_buf
;
454 #ifdef CONFIG_UNICODE
456 * For casefolded directories: the casefolded name, but it's left NULL
457 * if the original name is not valid Unicode, if the directory is both
458 * casefolded and encrypted and its encryption key is unavailable, or if
459 * the filesystem is doing an internal operation where usr_fname is also
460 * NULL. In all these cases we fall back to treating the name as an
461 * opaque byte sequence.
463 struct fscrypt_str cf_name
;
467 struct f2fs_dentry_ptr
{
470 struct f2fs_dir_entry
*dentry
;
471 __u8 (*filename
)[F2FS_SLOT_LEN
];
476 static inline void make_dentry_ptr_block(struct inode
*inode
,
477 struct f2fs_dentry_ptr
*d
, struct f2fs_dentry_block
*t
)
480 d
->max
= NR_DENTRY_IN_BLOCK
;
481 d
->nr_bitmap
= SIZE_OF_DENTRY_BITMAP
;
482 d
->bitmap
= t
->dentry_bitmap
;
483 d
->dentry
= t
->dentry
;
484 d
->filename
= t
->filename
;
487 static inline void make_dentry_ptr_inline(struct inode
*inode
,
488 struct f2fs_dentry_ptr
*d
, void *t
)
490 int entry_cnt
= NR_INLINE_DENTRY(inode
);
491 int bitmap_size
= INLINE_DENTRY_BITMAP_SIZE(inode
);
492 int reserved_size
= INLINE_RESERVED_SIZE(inode
);
496 d
->nr_bitmap
= bitmap_size
;
498 d
->dentry
= t
+ bitmap_size
+ reserved_size
;
499 d
->filename
= t
+ bitmap_size
+ reserved_size
+
500 SIZE_OF_DIR_ENTRY
* entry_cnt
;
504 * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1
505 * as its node offset to distinguish from index node blocks.
506 * But some bits are used to mark the node block.
508 #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \
511 ALLOC_NODE
, /* allocate a new node page if needed */
512 LOOKUP_NODE
, /* look up a node without readahead */
514 * look up a node with readahead called
519 #define DEFAULT_RETRY_IO_COUNT 8 /* maximum retry read IO count */
521 /* congestion wait timeout value, default: 20ms */
522 #define DEFAULT_IO_TIMEOUT (msecs_to_jiffies(20))
524 /* maximum retry quota flush count */
525 #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8
527 #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */
529 #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */
531 /* for in-memory extent cache entry */
532 #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */
534 /* number of extent info in extent cache we try to shrink */
535 #define EXTENT_CACHE_SHRINK_NUMBER 128
538 struct rb_node rb_node
; /* rb node located in rb-tree */
541 unsigned int ofs
; /* start offset of the entry */
542 unsigned int len
; /* length of the entry */
544 unsigned long long key
; /* 64-bits key */
549 unsigned int fofs
; /* start offset in a file */
550 unsigned int len
; /* length of the extent */
551 u32 blk
; /* start block address of the extent */
555 struct rb_node rb_node
; /* rb node located in rb-tree */
556 struct extent_info ei
; /* extent info */
557 struct list_head list
; /* node in global extent list of sbi */
558 struct extent_tree
*et
; /* extent tree pointer */
562 nid_t ino
; /* inode number */
563 struct rb_root_cached root
; /* root of extent info rb-tree */
564 struct extent_node
*cached_en
; /* recently accessed extent node */
565 struct extent_info largest
; /* largested extent info */
566 struct list_head list
; /* to be used by sbi->zombie_list */
567 rwlock_t lock
; /* protect extent info rb-tree */
568 atomic_t node_cnt
; /* # of extent node in rb-tree*/
569 bool largest_updated
; /* largest extent updated */
573 * This structure is taken from ext4_map_blocks.
575 * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks().
577 #define F2FS_MAP_NEW (1 << BH_New)
578 #define F2FS_MAP_MAPPED (1 << BH_Mapped)
579 #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten)
580 #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\
583 struct f2fs_map_blocks
{
587 unsigned int m_flags
;
588 pgoff_t
*m_next_pgofs
; /* point next possible non-hole pgofs */
589 pgoff_t
*m_next_extent
; /* point to next possible extent */
591 bool m_may_create
; /* indicate it is from write path */
594 /* for flag in get_data_block */
596 F2FS_GET_BLOCK_DEFAULT
,
597 F2FS_GET_BLOCK_FIEMAP
,
600 F2FS_GET_BLOCK_PRE_DIO
,
601 F2FS_GET_BLOCK_PRE_AIO
,
602 F2FS_GET_BLOCK_PRECACHE
,
606 * i_advise uses FADVISE_XXX_BIT. We can add additional hints later.
608 #define FADVISE_COLD_BIT 0x01
609 #define FADVISE_LOST_PINO_BIT 0x02
610 #define FADVISE_ENCRYPT_BIT 0x04
611 #define FADVISE_ENC_NAME_BIT 0x08
612 #define FADVISE_KEEP_SIZE_BIT 0x10
613 #define FADVISE_HOT_BIT 0x20
614 #define FADVISE_VERITY_BIT 0x40
616 #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT)
618 #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT)
619 #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
620 #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT)
621 #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
622 #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT)
623 #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT)
624 #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT)
625 #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT)
626 #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT)
627 #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT)
628 #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT)
629 #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT)
630 #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT)
631 #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT)
632 #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT)
633 #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT)
634 #define file_is_verity(inode) is_file(inode, FADVISE_VERITY_BIT)
635 #define file_set_verity(inode) set_file(inode, FADVISE_VERITY_BIT)
637 #define DEF_DIR_LEVEL 0
645 /* used for f2fs_inode_info->flags */
647 FI_NEW_INODE
, /* indicate newly allocated inode */
648 FI_DIRTY_INODE
, /* indicate inode is dirty or not */
649 FI_AUTO_RECOVER
, /* indicate inode is recoverable */
650 FI_DIRTY_DIR
, /* indicate directory has dirty pages */
651 FI_INC_LINK
, /* need to increment i_nlink */
652 FI_ACL_MODE
, /* indicate acl mode */
653 FI_NO_ALLOC
, /* should not allocate any blocks */
654 FI_FREE_NID
, /* free allocated nide */
655 FI_NO_EXTENT
, /* not to use the extent cache */
656 FI_INLINE_XATTR
, /* used for inline xattr */
657 FI_INLINE_DATA
, /* used for inline data*/
658 FI_INLINE_DENTRY
, /* used for inline dentry */
659 FI_APPEND_WRITE
, /* inode has appended data */
660 FI_UPDATE_WRITE
, /* inode has in-place-update data */
661 FI_NEED_IPU
, /* used for ipu per file */
662 FI_ATOMIC_FILE
, /* indicate atomic file */
663 FI_ATOMIC_COMMIT
, /* indicate the state of atomical committing */
664 FI_VOLATILE_FILE
, /* indicate volatile file */
665 FI_FIRST_BLOCK_WRITTEN
, /* indicate #0 data block was written */
666 FI_DROP_CACHE
, /* drop dirty page cache */
667 FI_DATA_EXIST
, /* indicate data exists */
668 FI_INLINE_DOTS
, /* indicate inline dot dentries */
669 FI_DO_DEFRAG
, /* indicate defragment is running */
670 FI_DIRTY_FILE
, /* indicate regular/symlink has dirty pages */
671 FI_NO_PREALLOC
, /* indicate skipped preallocated blocks */
672 FI_HOT_DATA
, /* indicate file is hot */
673 FI_EXTRA_ATTR
, /* indicate file has extra attribute */
674 FI_PROJ_INHERIT
, /* indicate file inherits projectid */
675 FI_PIN_FILE
, /* indicate file should not be gced */
676 FI_ATOMIC_REVOKE_REQUEST
, /* request to drop atomic data */
677 FI_VERITY_IN_PROGRESS
, /* building fs-verity Merkle tree */
678 FI_COMPRESSED_FILE
, /* indicate file's data can be compressed */
679 FI_COMPRESS_CORRUPT
, /* indicate compressed cluster is corrupted */
680 FI_MMAP_FILE
, /* indicate file was mmapped */
681 FI_ENABLE_COMPRESS
, /* enable compression in "user" compression mode */
682 FI_MAX
, /* max flag, never be used */
685 struct f2fs_inode_info
{
686 struct inode vfs_inode
; /* serve a vfs inode */
687 unsigned long i_flags
; /* keep an inode flags for ioctl */
688 unsigned char i_advise
; /* use to give file attribute hints */
689 unsigned char i_dir_level
; /* use for dentry level for large dir */
690 unsigned int i_current_depth
; /* only for directory depth */
691 /* for gc failure statistic */
692 unsigned int i_gc_failures
[MAX_GC_FAILURE
];
693 unsigned int i_pino
; /* parent inode number */
694 umode_t i_acl_mode
; /* keep file acl mode temporarily */
696 /* Use below internally in f2fs*/
697 unsigned long flags
[BITS_TO_LONGS(FI_MAX
)]; /* use to pass per-file flags */
698 struct rw_semaphore i_sem
; /* protect fi info */
699 atomic_t dirty_pages
; /* # of dirty pages */
700 f2fs_hash_t chash
; /* hash value of given file name */
701 unsigned int clevel
; /* maximum level of given file name */
702 struct task_struct
*task
; /* lookup and create consistency */
703 struct task_struct
*cp_task
; /* separate cp/wb IO stats*/
704 nid_t i_xattr_nid
; /* node id that contains xattrs */
705 loff_t last_disk_size
; /* lastly written file size */
706 spinlock_t i_size_lock
; /* protect last_disk_size */
709 struct dquot
*i_dquot
[MAXQUOTAS
];
711 /* quota space reservation, managed internally by quota code */
712 qsize_t i_reserved_quota
;
714 struct list_head dirty_list
; /* dirty list for dirs and files */
715 struct list_head gdirty_list
; /* linked in global dirty list */
716 struct list_head inmem_ilist
; /* list for inmem inodes */
717 struct list_head inmem_pages
; /* inmemory pages managed by f2fs */
718 struct task_struct
*inmem_task
; /* store inmemory task */
719 struct mutex inmem_lock
; /* lock for inmemory pages */
720 pgoff_t ra_offset
; /* ongoing readahead offset */
721 struct extent_tree
*extent_tree
; /* cached extent_tree entry */
723 /* avoid racing between foreground op and gc */
724 struct rw_semaphore i_gc_rwsem
[2];
725 struct rw_semaphore i_mmap_sem
;
726 struct rw_semaphore i_xattr_sem
; /* avoid racing between reading and changing EAs */
728 int i_extra_isize
; /* size of extra space located in i_addr */
729 kprojid_t i_projid
; /* id for project quota */
730 int i_inline_xattr_size
; /* inline xattr size */
731 struct timespec64 i_crtime
; /* inode creation time */
732 struct timespec64 i_disk_time
[4];/* inode disk times */
734 /* for file compress */
735 atomic_t i_compr_blocks
; /* # of compressed blocks */
736 unsigned char i_compress_algorithm
; /* algorithm type */
737 unsigned char i_log_cluster_size
; /* log of cluster size */
738 unsigned short i_compress_flag
; /* compress flag */
739 unsigned int i_cluster_size
; /* cluster size */
742 static inline void get_extent_info(struct extent_info
*ext
,
743 struct f2fs_extent
*i_ext
)
745 ext
->fofs
= le32_to_cpu(i_ext
->fofs
);
746 ext
->blk
= le32_to_cpu(i_ext
->blk
);
747 ext
->len
= le32_to_cpu(i_ext
->len
);
750 static inline void set_raw_extent(struct extent_info
*ext
,
751 struct f2fs_extent
*i_ext
)
753 i_ext
->fofs
= cpu_to_le32(ext
->fofs
);
754 i_ext
->blk
= cpu_to_le32(ext
->blk
);
755 i_ext
->len
= cpu_to_le32(ext
->len
);
758 static inline void set_extent_info(struct extent_info
*ei
, unsigned int fofs
,
759 u32 blk
, unsigned int len
)
766 static inline bool __is_discard_mergeable(struct discard_info
*back
,
767 struct discard_info
*front
, unsigned int max_len
)
769 return (back
->lstart
+ back
->len
== front
->lstart
) &&
770 (back
->len
+ front
->len
<= max_len
);
773 static inline bool __is_discard_back_mergeable(struct discard_info
*cur
,
774 struct discard_info
*back
, unsigned int max_len
)
776 return __is_discard_mergeable(back
, cur
, max_len
);
779 static inline bool __is_discard_front_mergeable(struct discard_info
*cur
,
780 struct discard_info
*front
, unsigned int max_len
)
782 return __is_discard_mergeable(cur
, front
, max_len
);
785 static inline bool __is_extent_mergeable(struct extent_info
*back
,
786 struct extent_info
*front
)
788 return (back
->fofs
+ back
->len
== front
->fofs
&&
789 back
->blk
+ back
->len
== front
->blk
);
792 static inline bool __is_back_mergeable(struct extent_info
*cur
,
793 struct extent_info
*back
)
795 return __is_extent_mergeable(back
, cur
);
798 static inline bool __is_front_mergeable(struct extent_info
*cur
,
799 struct extent_info
*front
)
801 return __is_extent_mergeable(cur
, front
);
804 extern void f2fs_mark_inode_dirty_sync(struct inode
*inode
, bool sync
);
805 static inline void __try_update_largest_extent(struct extent_tree
*et
,
806 struct extent_node
*en
)
808 if (en
->ei
.len
> et
->largest
.len
) {
809 et
->largest
= en
->ei
;
810 et
->largest_updated
= true;
815 * For free nid management
818 FREE_NID
, /* newly added to free nid list */
819 PREALLOC_NID
, /* it is preallocated */
830 struct f2fs_nm_info
{
831 block_t nat_blkaddr
; /* base disk address of NAT */
832 nid_t max_nid
; /* maximum possible node ids */
833 nid_t available_nids
; /* # of available node ids */
834 nid_t next_scan_nid
; /* the next nid to be scanned */
835 unsigned int ram_thresh
; /* control the memory footprint */
836 unsigned int ra_nid_pages
; /* # of nid pages to be readaheaded */
837 unsigned int dirty_nats_ratio
; /* control dirty nats ratio threshold */
839 /* NAT cache management */
840 struct radix_tree_root nat_root
;/* root of the nat entry cache */
841 struct radix_tree_root nat_set_root
;/* root of the nat set cache */
842 struct rw_semaphore nat_tree_lock
; /* protect nat_tree_lock */
843 struct list_head nat_entries
; /* cached nat entry list (clean) */
844 spinlock_t nat_list_lock
; /* protect clean nat entry list */
845 unsigned int nat_cnt
[MAX_NAT_STATE
]; /* the # of cached nat entries */
846 unsigned int nat_blocks
; /* # of nat blocks */
848 /* free node ids management */
849 struct radix_tree_root free_nid_root
;/* root of the free_nid cache */
850 struct list_head free_nid_list
; /* list for free nids excluding preallocated nids */
851 unsigned int nid_cnt
[MAX_NID_STATE
]; /* the number of free node id */
852 spinlock_t nid_list_lock
; /* protect nid lists ops */
853 struct mutex build_lock
; /* lock for build free nids */
854 unsigned char **free_nid_bitmap
;
855 unsigned char *nat_block_bitmap
;
856 unsigned short *free_nid_count
; /* free nid count of NAT block */
859 char *nat_bitmap
; /* NAT bitmap pointer */
861 unsigned int nat_bits_blocks
; /* # of nat bits blocks */
862 unsigned char *nat_bits
; /* NAT bits blocks */
863 unsigned char *full_nat_bits
; /* full NAT pages */
864 unsigned char *empty_nat_bits
; /* empty NAT pages */
865 #ifdef CONFIG_F2FS_CHECK_FS
866 char *nat_bitmap_mir
; /* NAT bitmap mirror */
868 int bitmap_size
; /* bitmap size */
872 * this structure is used as one of function parameters.
873 * all the information are dedicated to a given direct node block determined
874 * by the data offset in a file.
876 struct dnode_of_data
{
877 struct inode
*inode
; /* vfs inode pointer */
878 struct page
*inode_page
; /* its inode page, NULL is possible */
879 struct page
*node_page
; /* cached direct node page */
880 nid_t nid
; /* node id of the direct node block */
881 unsigned int ofs_in_node
; /* data offset in the node page */
882 bool inode_page_locked
; /* inode page is locked or not */
883 bool node_changed
; /* is node block changed */
884 char cur_level
; /* level of hole node page */
885 char max_level
; /* level of current page located */
886 block_t data_blkaddr
; /* block address of the node block */
889 static inline void set_new_dnode(struct dnode_of_data
*dn
, struct inode
*inode
,
890 struct page
*ipage
, struct page
*npage
, nid_t nid
)
892 memset(dn
, 0, sizeof(*dn
));
894 dn
->inode_page
= ipage
;
895 dn
->node_page
= npage
;
902 * By default, there are 6 active log areas across the whole main area.
903 * When considering hot and cold data separation to reduce cleaning overhead,
904 * we split 3 for data logs and 3 for node logs as hot, warm, and cold types,
906 * In the current design, you should not change the numbers intentionally.
907 * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6
908 * logs individually according to the underlying devices. (default: 6)
909 * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for
910 * data and 8 for node logs.
912 #define NR_CURSEG_DATA_TYPE (3)
913 #define NR_CURSEG_NODE_TYPE (3)
914 #define NR_CURSEG_INMEM_TYPE (2)
915 #define NR_CURSEG_PERSIST_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE)
916 #define NR_CURSEG_TYPE (NR_CURSEG_INMEM_TYPE + NR_CURSEG_PERSIST_TYPE)
919 CURSEG_HOT_DATA
= 0, /* directory entry blocks */
920 CURSEG_WARM_DATA
, /* data blocks */
921 CURSEG_COLD_DATA
, /* multimedia or GCed data blocks */
922 CURSEG_HOT_NODE
, /* direct node blocks of directory files */
923 CURSEG_WARM_NODE
, /* direct node blocks of normal files */
924 CURSEG_COLD_NODE
, /* indirect node blocks */
925 NR_PERSISTENT_LOG
, /* number of persistent log */
926 CURSEG_COLD_DATA_PINNED
= NR_PERSISTENT_LOG
,
927 /* pinned file that needs consecutive block address */
928 CURSEG_ALL_DATA_ATGC
, /* SSR alloctor in hot/warm/cold data area */
929 NO_CHECK_TYPE
, /* number of persistent & inmem log */
933 struct completion wait
;
934 struct llist_node llnode
;
939 struct flush_cmd_control
{
940 struct task_struct
*f2fs_issue_flush
; /* flush thread */
941 wait_queue_head_t flush_wait_queue
; /* waiting queue for wake-up */
942 atomic_t issued_flush
; /* # of issued flushes */
943 atomic_t queued_flush
; /* # of queued flushes */
944 struct llist_head issue_list
; /* list for command issue */
945 struct llist_node
*dispatch_list
; /* list for command dispatch */
948 struct f2fs_sm_info
{
949 struct sit_info
*sit_info
; /* whole segment information */
950 struct free_segmap_info
*free_info
; /* free segment information */
951 struct dirty_seglist_info
*dirty_info
; /* dirty segment information */
952 struct curseg_info
*curseg_array
; /* active segment information */
954 struct rw_semaphore curseg_lock
; /* for preventing curseg change */
956 block_t seg0_blkaddr
; /* block address of 0'th segment */
957 block_t main_blkaddr
; /* start block address of main area */
958 block_t ssa_blkaddr
; /* start block address of SSA area */
960 unsigned int segment_count
; /* total # of segments */
961 unsigned int main_segments
; /* # of segments in main area */
962 unsigned int reserved_segments
; /* # of reserved segments */
963 unsigned int ovp_segments
; /* # of overprovision segments */
965 /* a threshold to reclaim prefree segments */
966 unsigned int rec_prefree_segments
;
968 /* for batched trimming */
969 unsigned int trim_sections
; /* # of sections to trim */
971 struct list_head sit_entry_set
; /* sit entry set list */
973 unsigned int ipu_policy
; /* in-place-update policy */
974 unsigned int min_ipu_util
; /* in-place-update threshold */
975 unsigned int min_fsync_blocks
; /* threshold for fsync */
976 unsigned int min_seq_blocks
; /* threshold for sequential blocks */
977 unsigned int min_hot_blocks
; /* threshold for hot block allocation */
978 unsigned int min_ssr_sections
; /* threshold to trigger SSR allocation */
980 /* for flush command control */
981 struct flush_cmd_control
*fcc_info
;
983 /* for discard command control */
984 struct discard_cmd_control
*dcc_info
;
991 * COUNT_TYPE for monitoring
993 * f2fs monitors the number of several block types such as on-writeback,
994 * dirty dentry blocks, dirty node blocks, and dirty meta blocks.
996 #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA)
1016 * The below are the page types of bios used in submit_bio().
1017 * The available types are:
1018 * DATA User data pages. It operates as async mode.
1019 * NODE Node pages. It operates as async mode.
1020 * META FS metadata pages such as SIT, NAT, CP.
1021 * NR_PAGE_TYPE The number of page types.
1022 * META_FLUSH Make sure the previous pages are written
1023 * with waiting the bio's completion
1024 * ... Only can be used with META.
1026 #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type))
1033 INMEM
, /* the below types are used by tracepoints only. */
1042 HOT
= 0, /* must be zero for meta bio */
1048 enum need_lock_type
{
1054 enum cp_reason_type
{
1070 APP_DIRECT_IO
, /* app direct write IOs */
1071 APP_BUFFERED_IO
, /* app buffered write IOs */
1072 APP_WRITE_IO
, /* app write IOs */
1073 APP_MAPPED_IO
, /* app mapped IOs */
1074 FS_DATA_IO
, /* data IOs from kworker/fsync/reclaimer */
1075 FS_NODE_IO
, /* node IOs from kworker/fsync/reclaimer */
1076 FS_META_IO
, /* meta IOs from kworker/reclaimer */
1077 FS_GC_DATA_IO
, /* data IOs from forground gc */
1078 FS_GC_NODE_IO
, /* node IOs from forground gc */
1079 FS_CP_DATA_IO
, /* data IOs from checkpoint */
1080 FS_CP_NODE_IO
, /* node IOs from checkpoint */
1081 FS_CP_META_IO
, /* meta IOs from checkpoint */
1084 APP_DIRECT_READ_IO
, /* app direct read IOs */
1085 APP_BUFFERED_READ_IO
, /* app buffered read IOs */
1086 APP_READ_IO
, /* app read IOs */
1087 APP_MAPPED_READ_IO
, /* app mapped read IOs */
1088 FS_DATA_READ_IO
, /* data read IOs */
1089 FS_GDATA_READ_IO
, /* data read IOs from background gc */
1090 FS_CDATA_READ_IO
, /* compressed data read IOs */
1091 FS_NODE_READ_IO
, /* node read IOs */
1092 FS_META_READ_IO
, /* meta read IOs */
1095 FS_DISCARD
, /* discard */
1099 struct f2fs_io_info
{
1100 struct f2fs_sb_info
*sbi
; /* f2fs_sb_info pointer */
1101 nid_t ino
; /* inode number */
1102 enum page_type type
; /* contains DATA/NODE/META/META_FLUSH */
1103 enum temp_type temp
; /* contains HOT/WARM/COLD */
1104 int op
; /* contains REQ_OP_ */
1105 int op_flags
; /* req_flag_bits */
1106 block_t new_blkaddr
; /* new block address to be written */
1107 block_t old_blkaddr
; /* old block address before Cow */
1108 struct page
*page
; /* page to be written */
1109 struct page
*encrypted_page
; /* encrypted page */
1110 struct page
*compressed_page
; /* compressed page */
1111 struct list_head list
; /* serialize IOs */
1112 bool submitted
; /* indicate IO submission */
1113 int need_lock
; /* indicate we need to lock cp_rwsem */
1114 bool in_list
; /* indicate fio is in io_list */
1115 bool is_por
; /* indicate IO is from recovery or not */
1116 bool retry
; /* need to reallocate block address */
1117 int compr_blocks
; /* # of compressed block addresses */
1118 bool encrypted
; /* indicate file is encrypted */
1119 enum iostat_type io_type
; /* io type */
1120 struct writeback_control
*io_wbc
; /* writeback control */
1121 struct bio
**bio
; /* bio for ipu */
1122 sector_t
*last_block
; /* last block number in bio */
1123 unsigned char version
; /* version of the node */
1128 struct list_head list
;
1131 #define is_read_io(rw) ((rw) == READ)
1132 struct f2fs_bio_info
{
1133 struct f2fs_sb_info
*sbi
; /* f2fs superblock */
1134 struct bio
*bio
; /* bios to merge */
1135 sector_t last_block_in_bio
; /* last block number */
1136 struct f2fs_io_info fio
; /* store buffered io info. */
1137 struct rw_semaphore io_rwsem
; /* blocking op for bio */
1138 spinlock_t io_lock
; /* serialize DATA/NODE IOs */
1139 struct list_head io_list
; /* track fios */
1140 struct list_head bio_list
; /* bio entry list head */
1141 struct rw_semaphore bio_list_lock
; /* lock to protect bio entry list */
1144 #define FDEV(i) (sbi->devs[i])
1145 #define RDEV(i) (raw_super->devs[i])
1146 struct f2fs_dev_info
{
1147 struct block_device
*bdev
;
1148 char path
[MAX_PATH_LEN
];
1149 unsigned int total_segments
;
1152 #ifdef CONFIG_BLK_DEV_ZONED
1153 unsigned int nr_blkz
; /* Total number of zones */
1154 unsigned long *blkz_seq
; /* Bitmap indicating sequential zones */
1155 block_t
*zone_capacity_blocks
; /* Array of zone capacity in blks */
1160 DIR_INODE
, /* for dirty dir inode */
1161 FILE_INODE
, /* for dirty regular/symlink inode */
1162 DIRTY_META
, /* for all dirtied inode metadata */
1163 ATOMIC_FILE
, /* for all atomic files */
1167 /* for inner inode cache management */
1168 struct inode_management
{
1169 struct radix_tree_root ino_root
; /* ino entry array */
1170 spinlock_t ino_lock
; /* for ino entry lock */
1171 struct list_head ino_list
; /* inode list head */
1172 unsigned long ino_num
; /* number of entries */
1176 struct atgc_management
{
1177 bool atgc_enabled
; /* ATGC is enabled or not */
1178 struct rb_root_cached root
; /* root of victim rb-tree */
1179 struct list_head victim_list
; /* linked with all victim entries */
1180 unsigned int victim_count
; /* victim count in rb-tree */
1181 unsigned int candidate_ratio
; /* candidate ratio */
1182 unsigned int max_candidate_count
; /* max candidate count */
1183 unsigned int age_weight
; /* age weight, vblock_weight = 100 - age_weight */
1184 unsigned long long age_threshold
; /* age threshold */
1187 /* For s_flag in struct f2fs_sb_info */
1189 SBI_IS_DIRTY
, /* dirty flag for checkpoint */
1190 SBI_IS_CLOSE
, /* specify unmounting */
1191 SBI_NEED_FSCK
, /* need fsck.f2fs to fix */
1192 SBI_POR_DOING
, /* recovery is doing or not */
1193 SBI_NEED_SB_WRITE
, /* need to recover superblock */
1194 SBI_NEED_CP
, /* need to checkpoint */
1195 SBI_IS_SHUTDOWN
, /* shutdown by ioctl */
1196 SBI_IS_RECOVERED
, /* recovered orphan/data */
1197 SBI_CP_DISABLED
, /* CP was disabled last mount */
1198 SBI_CP_DISABLED_QUICK
, /* CP was disabled quickly */
1199 SBI_QUOTA_NEED_FLUSH
, /* need to flush quota info in CP */
1200 SBI_QUOTA_SKIP_FLUSH
, /* skip flushing quota in current CP */
1201 SBI_QUOTA_NEED_REPAIR
, /* quota file may be corrupted */
1202 SBI_IS_RESIZEFS
, /* resizefs is in process */
1211 UMOUNT_DISCARD_TIMEOUT
,
1225 BGGC_MODE_ON
, /* background gc is on */
1226 BGGC_MODE_OFF
, /* background gc is off */
1228 * background gc is on, migrating blocks
1229 * like foreground gc
1234 FS_MODE_ADAPTIVE
, /* use both lfs/ssr allocation */
1235 FS_MODE_LFS
, /* use lfs allocation only */
1239 WHINT_MODE_OFF
, /* not pass down write hints */
1240 WHINT_MODE_USER
, /* try to pass down hints given by users */
1241 WHINT_MODE_FS
, /* pass down hints with F2FS policy */
1245 ALLOC_MODE_DEFAULT
, /* stay default */
1246 ALLOC_MODE_REUSE
, /* reuse segments as much as possible */
1250 FSYNC_MODE_POSIX
, /* fsync follows posix semantics */
1251 FSYNC_MODE_STRICT
, /* fsync behaves in line with ext4 */
1252 FSYNC_MODE_NOBARRIER
, /* fsync behaves nobarrier based on posix */
1257 * automatically compress compression
1261 * automatical compression is disabled.
1262 * user can control the file compression
1268 * this value is set in page as a private data which indicate that
1269 * the page is atomically written, and it is in inmem_pages list.
1271 #define ATOMIC_WRITTEN_PAGE ((unsigned long)-1)
1272 #define DUMMY_WRITTEN_PAGE ((unsigned long)-2)
1274 #define IS_ATOMIC_WRITTEN_PAGE(page) \
1275 (page_private(page) == ATOMIC_WRITTEN_PAGE)
1276 #define IS_DUMMY_WRITTEN_PAGE(page) \
1277 (page_private(page) == DUMMY_WRITTEN_PAGE)
1279 #ifdef CONFIG_F2FS_IO_TRACE
1280 #define IS_IO_TRACED_PAGE(page) \
1281 (page_private(page) > 0 && \
1282 page_private(page) < (unsigned long)PID_MAX_LIMIT)
1284 #define IS_IO_TRACED_PAGE(page) (0)
1287 /* For compression */
1288 enum compress_algorithm_type
{
1296 enum compress_flag
{
1301 #define COMPRESS_DATA_RESERVED_SIZE 4
1302 struct compress_data
{
1303 __le32 clen
; /* compressed data size */
1304 __le32 chksum
; /* compressed data chksum */
1305 __le32 reserved
[COMPRESS_DATA_RESERVED_SIZE
]; /* reserved */
1306 u8 cdata
[]; /* compressed data */
1309 #define COMPRESS_HEADER_SIZE (sizeof(struct compress_data))
1311 #define F2FS_COMPRESSED_PAGE_MAGIC 0xF5F2C000
1313 /* compress context */
1314 struct compress_ctx
{
1315 struct inode
*inode
; /* inode the context belong to */
1316 pgoff_t cluster_idx
; /* cluster index number */
1317 unsigned int cluster_size
; /* page count in cluster */
1318 unsigned int log_cluster_size
; /* log of cluster size */
1319 struct page
**rpages
; /* pages store raw data in cluster */
1320 unsigned int nr_rpages
; /* total page number in rpages */
1321 struct page
**cpages
; /* pages store compressed data in cluster */
1322 unsigned int nr_cpages
; /* total page number in cpages */
1323 void *rbuf
; /* virtual mapped address on rpages */
1324 struct compress_data
*cbuf
; /* virtual mapped address on cpages */
1325 size_t rlen
; /* valid data length in rbuf */
1326 size_t clen
; /* valid data length in cbuf */
1327 void *private; /* payload buffer for specified compression algorithm */
1328 void *private2
; /* extra payload buffer */
1331 /* compress context for write IO path */
1332 struct compress_io_ctx
{
1333 u32 magic
; /* magic number to indicate page is compressed */
1334 struct inode
*inode
; /* inode the context belong to */
1335 struct page
**rpages
; /* pages store raw data in cluster */
1336 unsigned int nr_rpages
; /* total page number in rpages */
1337 atomic_t pending_pages
; /* in-flight compressed page count */
1340 /* decompress io context for read IO path */
1341 struct decompress_io_ctx
{
1342 u32 magic
; /* magic number to indicate page is compressed */
1343 struct inode
*inode
; /* inode the context belong to */
1344 pgoff_t cluster_idx
; /* cluster index number */
1345 unsigned int cluster_size
; /* page count in cluster */
1346 unsigned int log_cluster_size
; /* log of cluster size */
1347 struct page
**rpages
; /* pages store raw data in cluster */
1348 unsigned int nr_rpages
; /* total page number in rpages */
1349 struct page
**cpages
; /* pages store compressed data in cluster */
1350 unsigned int nr_cpages
; /* total page number in cpages */
1351 struct page
**tpages
; /* temp pages to pad holes in cluster */
1352 void *rbuf
; /* virtual mapped address on rpages */
1353 struct compress_data
*cbuf
; /* virtual mapped address on cpages */
1354 size_t rlen
; /* valid data length in rbuf */
1355 size_t clen
; /* valid data length in cbuf */
1356 atomic_t pending_pages
; /* in-flight compressed page count */
1357 bool failed
; /* indicate IO error during decompression */
1358 void *private; /* payload buffer for specified decompression algorithm */
1359 void *private2
; /* extra payload buffer */
1362 #define NULL_CLUSTER ((unsigned int)(~0))
1363 #define MIN_COMPRESS_LOG_SIZE 2
1364 #define MAX_COMPRESS_LOG_SIZE 8
1365 #define MAX_COMPRESS_WINDOW_SIZE(log_size) ((PAGE_SIZE) << (log_size))
1367 struct f2fs_sb_info
{
1368 struct super_block
*sb
; /* pointer to VFS super block */
1369 struct proc_dir_entry
*s_proc
; /* proc entry */
1370 struct f2fs_super_block
*raw_super
; /* raw super block pointer */
1371 struct rw_semaphore sb_lock
; /* lock for raw super block */
1372 int valid_super_block
; /* valid super block no */
1373 unsigned long s_flag
; /* flags for sbi */
1374 struct mutex writepages
; /* mutex for writepages() */
1376 #ifdef CONFIG_BLK_DEV_ZONED
1377 unsigned int blocks_per_blkz
; /* F2FS blocks per zone */
1378 unsigned int log_blocks_per_blkz
; /* log2 F2FS blocks per zone */
1381 /* for node-related operations */
1382 struct f2fs_nm_info
*nm_info
; /* node manager */
1383 struct inode
*node_inode
; /* cache node blocks */
1385 /* for segment-related operations */
1386 struct f2fs_sm_info
*sm_info
; /* segment manager */
1388 /* for bio operations */
1389 struct f2fs_bio_info
*write_io
[NR_PAGE_TYPE
]; /* for write bios */
1390 /* keep migration IO order for LFS mode */
1391 struct rw_semaphore io_order_lock
;
1392 mempool_t
*write_io_dummy
; /* Dummy pages */
1394 /* for checkpoint */
1395 struct f2fs_checkpoint
*ckpt
; /* raw checkpoint pointer */
1396 int cur_cp_pack
; /* remain current cp pack */
1397 spinlock_t cp_lock
; /* for flag in ckpt */
1398 struct inode
*meta_inode
; /* cache meta blocks */
1399 struct rw_semaphore cp_global_sem
; /* checkpoint procedure lock */
1400 struct rw_semaphore cp_rwsem
; /* blocking FS operations */
1401 struct rw_semaphore node_write
; /* locking node writes */
1402 struct rw_semaphore node_change
; /* locking node change */
1403 wait_queue_head_t cp_wait
;
1404 unsigned long last_time
[MAX_TIME
]; /* to store time in jiffies */
1405 long interval_time
[MAX_TIME
]; /* to store thresholds */
1407 struct inode_management im
[MAX_INO_ENTRY
]; /* manage inode cache */
1409 spinlock_t fsync_node_lock
; /* for node entry lock */
1410 struct list_head fsync_node_list
; /* node list head */
1411 unsigned int fsync_seg_id
; /* sequence id */
1412 unsigned int fsync_node_num
; /* number of node entries */
1414 /* for orphan inode, use 0'th array */
1415 unsigned int max_orphans
; /* max orphan inodes */
1417 /* for inode management */
1418 struct list_head inode_list
[NR_INODE_TYPE
]; /* dirty inode list */
1419 spinlock_t inode_lock
[NR_INODE_TYPE
]; /* for dirty inode list lock */
1420 struct mutex flush_lock
; /* for flush exclusion */
1422 /* for extent tree cache */
1423 struct radix_tree_root extent_tree_root
;/* cache extent cache entries */
1424 struct mutex extent_tree_lock
; /* locking extent radix tree */
1425 struct list_head extent_list
; /* lru list for shrinker */
1426 spinlock_t extent_lock
; /* locking extent lru list */
1427 atomic_t total_ext_tree
; /* extent tree count */
1428 struct list_head zombie_list
; /* extent zombie tree list */
1429 atomic_t total_zombie_tree
; /* extent zombie tree count */
1430 atomic_t total_ext_node
; /* extent info count */
1432 /* basic filesystem units */
1433 unsigned int log_sectors_per_block
; /* log2 sectors per block */
1434 unsigned int log_blocksize
; /* log2 block size */
1435 unsigned int blocksize
; /* block size */
1436 unsigned int root_ino_num
; /* root inode number*/
1437 unsigned int node_ino_num
; /* node inode number*/
1438 unsigned int meta_ino_num
; /* meta inode number*/
1439 unsigned int log_blocks_per_seg
; /* log2 blocks per segment */
1440 unsigned int blocks_per_seg
; /* blocks per segment */
1441 unsigned int segs_per_sec
; /* segments per section */
1442 unsigned int secs_per_zone
; /* sections per zone */
1443 unsigned int total_sections
; /* total section count */
1444 unsigned int total_node_count
; /* total node block count */
1445 unsigned int total_valid_node_count
; /* valid node block count */
1446 loff_t max_file_blocks
; /* max block index of file */
1447 int dir_level
; /* directory level */
1448 int readdir_ra
; /* readahead inode in readdir */
1450 block_t user_block_count
; /* # of user blocks */
1451 block_t total_valid_block_count
; /* # of valid blocks */
1452 block_t discard_blks
; /* discard command candidats */
1453 block_t last_valid_block_count
; /* for recovery */
1454 block_t reserved_blocks
; /* configurable reserved blocks */
1455 block_t current_reserved_blocks
; /* current reserved blocks */
1457 /* Additional tracking for no checkpoint mode */
1458 block_t unusable_block_count
; /* # of blocks saved by last cp */
1460 unsigned int nquota_files
; /* # of quota sysfile */
1461 struct rw_semaphore quota_sem
; /* blocking cp for flags */
1463 /* # of pages, see count_type */
1464 atomic_t nr_pages
[NR_COUNT_TYPE
];
1465 /* # of allocated blocks */
1466 struct percpu_counter alloc_valid_block_count
;
1468 /* writeback control */
1469 atomic_t wb_sync_req
[META
]; /* count # of WB_SYNC threads */
1471 /* valid inode count */
1472 struct percpu_counter total_valid_inode_count
;
1474 struct f2fs_mount_info mount_opt
; /* mount options */
1476 /* for cleaning operations */
1477 struct rw_semaphore gc_lock
; /*
1478 * semaphore for GC, avoid
1479 * race between GC and GC or CP
1481 struct f2fs_gc_kthread
*gc_thread
; /* GC thread */
1482 struct atgc_management am
; /* atgc management */
1483 unsigned int cur_victim_sec
; /* current victim section num */
1484 unsigned int gc_mode
; /* current GC state */
1485 unsigned int next_victim_seg
[2]; /* next segment in victim section */
1487 /* for skip statistic */
1488 unsigned int atomic_files
; /* # of opened atomic file */
1489 unsigned long long skipped_atomic_files
[2]; /* FG_GC and BG_GC */
1490 unsigned long long skipped_gc_rwsem
; /* FG_GC only */
1492 /* threshold for gc trials on pinned files */
1493 u64 gc_pin_file_threshold
;
1494 struct rw_semaphore pin_sem
;
1496 /* maximum # of trials to find a victim segment for SSR and GC */
1497 unsigned int max_victim_search
;
1498 /* migration granularity of garbage collection, unit: segment */
1499 unsigned int migration_granularity
;
1502 * for stat information.
1503 * one is for the LFS mode, and the other is for the SSR mode.
1505 #ifdef CONFIG_F2FS_STAT_FS
1506 struct f2fs_stat_info
*stat_info
; /* FS status information */
1507 atomic_t meta_count
[META_MAX
]; /* # of meta blocks */
1508 unsigned int segment_count
[2]; /* # of allocated segments */
1509 unsigned int block_count
[2]; /* # of allocated blocks */
1510 atomic_t inplace_count
; /* # of inplace update */
1511 atomic64_t total_hit_ext
; /* # of lookup extent cache */
1512 atomic64_t read_hit_rbtree
; /* # of hit rbtree extent node */
1513 atomic64_t read_hit_largest
; /* # of hit largest extent node */
1514 atomic64_t read_hit_cached
; /* # of hit cached extent node */
1515 atomic_t inline_xattr
; /* # of inline_xattr inodes */
1516 atomic_t inline_inode
; /* # of inline_data inodes */
1517 atomic_t inline_dir
; /* # of inline_dentry inodes */
1518 atomic_t compr_inode
; /* # of compressed inodes */
1519 atomic64_t compr_blocks
; /* # of compressed blocks */
1520 atomic_t vw_cnt
; /* # of volatile writes */
1521 atomic_t max_aw_cnt
; /* max # of atomic writes */
1522 atomic_t max_vw_cnt
; /* max # of volatile writes */
1523 unsigned int io_skip_bggc
; /* skip background gc for in-flight IO */
1524 unsigned int other_skip_bggc
; /* skip background gc for other reasons */
1525 unsigned int ndirty_inode
[NR_INODE_TYPE
]; /* # of dirty inodes */
1527 spinlock_t stat_lock
; /* lock for stat operations */
1529 /* For app/fs IO statistics */
1530 spinlock_t iostat_lock
;
1531 unsigned long long rw_iostat
[NR_IO_TYPE
];
1532 unsigned long long prev_rw_iostat
[NR_IO_TYPE
];
1534 unsigned long iostat_next_period
;
1535 unsigned int iostat_period_ms
;
1537 /* to attach REQ_META|REQ_FUA flags */
1538 unsigned int data_io_flag
;
1539 unsigned int node_io_flag
;
1541 /* For sysfs suppport */
1542 struct kobject s_kobj
;
1543 struct completion s_kobj_unregister
;
1545 /* For shrinker support */
1546 struct list_head s_list
;
1547 int s_ndevs
; /* number of devices */
1548 struct f2fs_dev_info
*devs
; /* for device list */
1549 unsigned int dirty_device
; /* for checkpoint data flush */
1550 spinlock_t dev_lock
; /* protect dirty_device */
1551 struct mutex umount_mutex
;
1552 unsigned int shrinker_run_no
;
1554 /* For write statistics */
1555 u64 sectors_written_start
;
1558 /* Reference to checksum algorithm driver via cryptoapi */
1559 struct crypto_shash
*s_chksum_driver
;
1561 /* Precomputed FS UUID checksum for seeding other checksums */
1562 __u32 s_chksum_seed
;
1564 struct workqueue_struct
*post_read_wq
; /* post read workqueue */
1566 struct kmem_cache
*inline_xattr_slab
; /* inline xattr entry */
1567 unsigned int inline_xattr_slab_size
; /* default inline xattr slab size */
1569 #ifdef CONFIG_F2FS_FS_COMPRESSION
1570 struct kmem_cache
*page_array_slab
; /* page array entry */
1571 unsigned int page_array_slab_size
; /* default page array slab size */
1575 struct f2fs_private_dio
{
1576 struct inode
*inode
;
1578 bio_end_io_t
*orig_end_io
;
1582 #ifdef CONFIG_F2FS_FAULT_INJECTION
1583 #define f2fs_show_injection_info(sbi, type) \
1584 printk_ratelimited("%sF2FS-fs (%s) : inject %s in %s of %pS\n", \
1585 KERN_INFO, sbi->sb->s_id, \
1586 f2fs_fault_name[type], \
1587 __func__, __builtin_return_address(0))
1588 static inline bool time_to_inject(struct f2fs_sb_info
*sbi
, int type
)
1590 struct f2fs_fault_info
*ffi
= &F2FS_OPTION(sbi
).fault_info
;
1592 if (!ffi
->inject_rate
)
1595 if (!IS_FAULT_SET(ffi
, type
))
1598 atomic_inc(&ffi
->inject_ops
);
1599 if (atomic_read(&ffi
->inject_ops
) >= ffi
->inject_rate
) {
1600 atomic_set(&ffi
->inject_ops
, 0);
1606 #define f2fs_show_injection_info(sbi, type) do { } while (0)
1607 static inline bool time_to_inject(struct f2fs_sb_info
*sbi
, int type
)
1614 * Test if the mounted volume is a multi-device volume.
1615 * - For a single regular disk volume, sbi->s_ndevs is 0.
1616 * - For a single zoned disk volume, sbi->s_ndevs is 1.
1617 * - For a multi-device volume, sbi->s_ndevs is always 2 or more.
1619 static inline bool f2fs_is_multi_device(struct f2fs_sb_info
*sbi
)
1621 return sbi
->s_ndevs
> 1;
1624 static inline void f2fs_update_time(struct f2fs_sb_info
*sbi
, int type
)
1626 unsigned long now
= jiffies
;
1628 sbi
->last_time
[type
] = now
;
1630 /* DISCARD_TIME and GC_TIME are based on REQ_TIME */
1631 if (type
== REQ_TIME
) {
1632 sbi
->last_time
[DISCARD_TIME
] = now
;
1633 sbi
->last_time
[GC_TIME
] = now
;
1637 static inline bool f2fs_time_over(struct f2fs_sb_info
*sbi
, int type
)
1639 unsigned long interval
= sbi
->interval_time
[type
] * HZ
;
1641 return time_after(jiffies
, sbi
->last_time
[type
] + interval
);
1644 static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info
*sbi
,
1647 unsigned long interval
= sbi
->interval_time
[type
] * HZ
;
1648 unsigned int wait_ms
= 0;
1651 delta
= (sbi
->last_time
[type
] + interval
) - jiffies
;
1653 wait_ms
= jiffies_to_msecs(delta
);
1661 static inline u32
__f2fs_crc32(struct f2fs_sb_info
*sbi
, u32 crc
,
1662 const void *address
, unsigned int length
)
1665 struct shash_desc shash
;
1670 BUG_ON(crypto_shash_descsize(sbi
->s_chksum_driver
) != sizeof(desc
.ctx
));
1672 desc
.shash
.tfm
= sbi
->s_chksum_driver
;
1673 *(u32
*)desc
.ctx
= crc
;
1675 err
= crypto_shash_update(&desc
.shash
, address
, length
);
1678 return *(u32
*)desc
.ctx
;
1681 static inline u32
f2fs_crc32(struct f2fs_sb_info
*sbi
, const void *address
,
1682 unsigned int length
)
1684 return __f2fs_crc32(sbi
, F2FS_SUPER_MAGIC
, address
, length
);
1687 static inline bool f2fs_crc_valid(struct f2fs_sb_info
*sbi
, __u32 blk_crc
,
1688 void *buf
, size_t buf_size
)
1690 return f2fs_crc32(sbi
, buf
, buf_size
) == blk_crc
;
1693 static inline u32
f2fs_chksum(struct f2fs_sb_info
*sbi
, u32 crc
,
1694 const void *address
, unsigned int length
)
1696 return __f2fs_crc32(sbi
, crc
, address
, length
);
1699 static inline struct f2fs_inode_info
*F2FS_I(struct inode
*inode
)
1701 return container_of(inode
, struct f2fs_inode_info
, vfs_inode
);
1704 static inline struct f2fs_sb_info
*F2FS_SB(struct super_block
*sb
)
1706 return sb
->s_fs_info
;
1709 static inline struct f2fs_sb_info
*F2FS_I_SB(struct inode
*inode
)
1711 return F2FS_SB(inode
->i_sb
);
1714 static inline struct f2fs_sb_info
*F2FS_M_SB(struct address_space
*mapping
)
1716 return F2FS_I_SB(mapping
->host
);
1719 static inline struct f2fs_sb_info
*F2FS_P_SB(struct page
*page
)
1721 return F2FS_M_SB(page_file_mapping(page
));
1724 static inline struct f2fs_super_block
*F2FS_RAW_SUPER(struct f2fs_sb_info
*sbi
)
1726 return (struct f2fs_super_block
*)(sbi
->raw_super
);
1729 static inline struct f2fs_checkpoint
*F2FS_CKPT(struct f2fs_sb_info
*sbi
)
1731 return (struct f2fs_checkpoint
*)(sbi
->ckpt
);
1734 static inline struct f2fs_node
*F2FS_NODE(struct page
*page
)
1736 return (struct f2fs_node
*)page_address(page
);
1739 static inline struct f2fs_inode
*F2FS_INODE(struct page
*page
)
1741 return &((struct f2fs_node
*)page_address(page
))->i
;
1744 static inline struct f2fs_nm_info
*NM_I(struct f2fs_sb_info
*sbi
)
1746 return (struct f2fs_nm_info
*)(sbi
->nm_info
);
1749 static inline struct f2fs_sm_info
*SM_I(struct f2fs_sb_info
*sbi
)
1751 return (struct f2fs_sm_info
*)(sbi
->sm_info
);
1754 static inline struct sit_info
*SIT_I(struct f2fs_sb_info
*sbi
)
1756 return (struct sit_info
*)(SM_I(sbi
)->sit_info
);
1759 static inline struct free_segmap_info
*FREE_I(struct f2fs_sb_info
*sbi
)
1761 return (struct free_segmap_info
*)(SM_I(sbi
)->free_info
);
1764 static inline struct dirty_seglist_info
*DIRTY_I(struct f2fs_sb_info
*sbi
)
1766 return (struct dirty_seglist_info
*)(SM_I(sbi
)->dirty_info
);
1769 static inline struct address_space
*META_MAPPING(struct f2fs_sb_info
*sbi
)
1771 return sbi
->meta_inode
->i_mapping
;
1774 static inline struct address_space
*NODE_MAPPING(struct f2fs_sb_info
*sbi
)
1776 return sbi
->node_inode
->i_mapping
;
1779 static inline bool is_sbi_flag_set(struct f2fs_sb_info
*sbi
, unsigned int type
)
1781 return test_bit(type
, &sbi
->s_flag
);
1784 static inline void set_sbi_flag(struct f2fs_sb_info
*sbi
, unsigned int type
)
1786 set_bit(type
, &sbi
->s_flag
);
1789 static inline void clear_sbi_flag(struct f2fs_sb_info
*sbi
, unsigned int type
)
1791 clear_bit(type
, &sbi
->s_flag
);
1794 static inline unsigned long long cur_cp_version(struct f2fs_checkpoint
*cp
)
1796 return le64_to_cpu(cp
->checkpoint_ver
);
1799 static inline unsigned long f2fs_qf_ino(struct super_block
*sb
, int type
)
1801 if (type
< F2FS_MAX_QUOTAS
)
1802 return le32_to_cpu(F2FS_SB(sb
)->raw_super
->qf_ino
[type
]);
1806 static inline __u64
cur_cp_crc(struct f2fs_checkpoint
*cp
)
1808 size_t crc_offset
= le32_to_cpu(cp
->checksum_offset
);
1809 return le32_to_cpu(*((__le32
*)((unsigned char *)cp
+ crc_offset
)));
1812 static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1814 unsigned int ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1816 return ckpt_flags
& f
;
1819 static inline bool is_set_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1821 return __is_set_ckpt_flags(F2FS_CKPT(sbi
), f
);
1824 static inline void __set_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1826 unsigned int ckpt_flags
;
1828 ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1830 cp
->ckpt_flags
= cpu_to_le32(ckpt_flags
);
1833 static inline void set_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1835 unsigned long flags
;
1837 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1838 __set_ckpt_flags(F2FS_CKPT(sbi
), f
);
1839 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1842 static inline void __clear_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1844 unsigned int ckpt_flags
;
1846 ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1848 cp
->ckpt_flags
= cpu_to_le32(ckpt_flags
);
1851 static inline void clear_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1853 unsigned long flags
;
1855 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1856 __clear_ckpt_flags(F2FS_CKPT(sbi
), f
);
1857 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1860 static inline void disable_nat_bits(struct f2fs_sb_info
*sbi
, bool lock
)
1862 unsigned long flags
;
1863 unsigned char *nat_bits
;
1866 * In order to re-enable nat_bits we need to call fsck.f2fs by
1867 * set_sbi_flag(sbi, SBI_NEED_FSCK). But it may give huge cost,
1868 * so let's rely on regular fsck or unclean shutdown.
1872 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1873 __clear_ckpt_flags(F2FS_CKPT(sbi
), CP_NAT_BITS_FLAG
);
1874 nat_bits
= NM_I(sbi
)->nat_bits
;
1875 NM_I(sbi
)->nat_bits
= NULL
;
1877 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1882 static inline bool enabled_nat_bits(struct f2fs_sb_info
*sbi
,
1883 struct cp_control
*cpc
)
1885 bool set
= is_set_ckpt_flags(sbi
, CP_NAT_BITS_FLAG
);
1887 return (cpc
) ? (cpc
->reason
& CP_UMOUNT
) && set
: set
;
1890 static inline void f2fs_lock_op(struct f2fs_sb_info
*sbi
)
1892 down_read(&sbi
->cp_rwsem
);
1895 static inline int f2fs_trylock_op(struct f2fs_sb_info
*sbi
)
1897 return down_read_trylock(&sbi
->cp_rwsem
);
1900 static inline void f2fs_unlock_op(struct f2fs_sb_info
*sbi
)
1902 up_read(&sbi
->cp_rwsem
);
1905 static inline void f2fs_lock_all(struct f2fs_sb_info
*sbi
)
1907 down_write(&sbi
->cp_rwsem
);
1910 static inline void f2fs_unlock_all(struct f2fs_sb_info
*sbi
)
1912 up_write(&sbi
->cp_rwsem
);
1915 static inline int __get_cp_reason(struct f2fs_sb_info
*sbi
)
1917 int reason
= CP_SYNC
;
1919 if (test_opt(sbi
, FASTBOOT
))
1920 reason
= CP_FASTBOOT
;
1921 if (is_sbi_flag_set(sbi
, SBI_IS_CLOSE
))
1926 static inline bool __remain_node_summaries(int reason
)
1928 return (reason
& (CP_UMOUNT
| CP_FASTBOOT
));
1931 static inline bool __exist_node_summaries(struct f2fs_sb_info
*sbi
)
1933 return (is_set_ckpt_flags(sbi
, CP_UMOUNT_FLAG
) ||
1934 is_set_ckpt_flags(sbi
, CP_FASTBOOT_FLAG
));
1938 * Check whether the inode has blocks or not
1940 static inline int F2FS_HAS_BLOCKS(struct inode
*inode
)
1942 block_t xattr_block
= F2FS_I(inode
)->i_xattr_nid
? 1 : 0;
1944 return (inode
->i_blocks
>> F2FS_LOG_SECTORS_PER_BLOCK
) > xattr_block
;
1947 static inline bool f2fs_has_xattr_block(unsigned int ofs
)
1949 return ofs
== XATTR_NODE_OFFSET
;
1952 static inline bool __allow_reserved_blocks(struct f2fs_sb_info
*sbi
,
1953 struct inode
*inode
, bool cap
)
1957 if (!test_opt(sbi
, RESERVE_ROOT
))
1959 if (IS_NOQUOTA(inode
))
1961 if (uid_eq(F2FS_OPTION(sbi
).s_resuid
, current_fsuid()))
1963 if (!gid_eq(F2FS_OPTION(sbi
).s_resgid
, GLOBAL_ROOT_GID
) &&
1964 in_group_p(F2FS_OPTION(sbi
).s_resgid
))
1966 if (cap
&& capable(CAP_SYS_RESOURCE
))
1971 static inline void f2fs_i_blocks_write(struct inode
*, block_t
, bool, bool);
1972 static inline int inc_valid_block_count(struct f2fs_sb_info
*sbi
,
1973 struct inode
*inode
, blkcnt_t
*count
)
1975 blkcnt_t diff
= 0, release
= 0;
1976 block_t avail_user_block_count
;
1979 ret
= dquot_reserve_block(inode
, *count
);
1983 if (time_to_inject(sbi
, FAULT_BLOCK
)) {
1984 f2fs_show_injection_info(sbi
, FAULT_BLOCK
);
1990 * let's increase this in prior to actual block count change in order
1991 * for f2fs_sync_file to avoid data races when deciding checkpoint.
1993 percpu_counter_add(&sbi
->alloc_valid_block_count
, (*count
));
1995 spin_lock(&sbi
->stat_lock
);
1996 sbi
->total_valid_block_count
+= (block_t
)(*count
);
1997 avail_user_block_count
= sbi
->user_block_count
-
1998 sbi
->current_reserved_blocks
;
2000 if (!__allow_reserved_blocks(sbi
, inode
, true))
2001 avail_user_block_count
-= F2FS_OPTION(sbi
).root_reserved_blocks
;
2002 if (unlikely(is_sbi_flag_set(sbi
, SBI_CP_DISABLED
))) {
2003 if (avail_user_block_count
> sbi
->unusable_block_count
)
2004 avail_user_block_count
-= sbi
->unusable_block_count
;
2006 avail_user_block_count
= 0;
2008 if (unlikely(sbi
->total_valid_block_count
> avail_user_block_count
)) {
2009 diff
= sbi
->total_valid_block_count
- avail_user_block_count
;
2014 sbi
->total_valid_block_count
-= diff
;
2016 spin_unlock(&sbi
->stat_lock
);
2020 spin_unlock(&sbi
->stat_lock
);
2022 if (unlikely(release
)) {
2023 percpu_counter_sub(&sbi
->alloc_valid_block_count
, release
);
2024 dquot_release_reservation_block(inode
, release
);
2026 f2fs_i_blocks_write(inode
, *count
, true, true);
2030 percpu_counter_sub(&sbi
->alloc_valid_block_count
, release
);
2032 dquot_release_reservation_block(inode
, release
);
2037 void f2fs_printk(struct f2fs_sb_info
*sbi
, const char *fmt
, ...);
2039 #define f2fs_err(sbi, fmt, ...) \
2040 f2fs_printk(sbi, KERN_ERR fmt, ##__VA_ARGS__)
2041 #define f2fs_warn(sbi, fmt, ...) \
2042 f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__)
2043 #define f2fs_notice(sbi, fmt, ...) \
2044 f2fs_printk(sbi, KERN_NOTICE fmt, ##__VA_ARGS__)
2045 #define f2fs_info(sbi, fmt, ...) \
2046 f2fs_printk(sbi, KERN_INFO fmt, ##__VA_ARGS__)
2047 #define f2fs_debug(sbi, fmt, ...) \
2048 f2fs_printk(sbi, KERN_DEBUG fmt, ##__VA_ARGS__)
2050 static inline void dec_valid_block_count(struct f2fs_sb_info
*sbi
,
2051 struct inode
*inode
,
2054 blkcnt_t sectors
= count
<< F2FS_LOG_SECTORS_PER_BLOCK
;
2056 spin_lock(&sbi
->stat_lock
);
2057 f2fs_bug_on(sbi
, sbi
->total_valid_block_count
< (block_t
) count
);
2058 sbi
->total_valid_block_count
-= (block_t
)count
;
2059 if (sbi
->reserved_blocks
&&
2060 sbi
->current_reserved_blocks
< sbi
->reserved_blocks
)
2061 sbi
->current_reserved_blocks
= min(sbi
->reserved_blocks
,
2062 sbi
->current_reserved_blocks
+ count
);
2063 spin_unlock(&sbi
->stat_lock
);
2064 if (unlikely(inode
->i_blocks
< sectors
)) {
2065 f2fs_warn(sbi
, "Inconsistent i_blocks, ino:%lu, iblocks:%llu, sectors:%llu",
2067 (unsigned long long)inode
->i_blocks
,
2068 (unsigned long long)sectors
);
2069 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
2072 f2fs_i_blocks_write(inode
, count
, false, true);
2075 static inline void inc_page_count(struct f2fs_sb_info
*sbi
, int count_type
)
2077 atomic_inc(&sbi
->nr_pages
[count_type
]);
2079 if (count_type
== F2FS_DIRTY_DENTS
||
2080 count_type
== F2FS_DIRTY_NODES
||
2081 count_type
== F2FS_DIRTY_META
||
2082 count_type
== F2FS_DIRTY_QDATA
||
2083 count_type
== F2FS_DIRTY_IMETA
)
2084 set_sbi_flag(sbi
, SBI_IS_DIRTY
);
2087 static inline void inode_inc_dirty_pages(struct inode
*inode
)
2089 atomic_inc(&F2FS_I(inode
)->dirty_pages
);
2090 inc_page_count(F2FS_I_SB(inode
), S_ISDIR(inode
->i_mode
) ?
2091 F2FS_DIRTY_DENTS
: F2FS_DIRTY_DATA
);
2092 if (IS_NOQUOTA(inode
))
2093 inc_page_count(F2FS_I_SB(inode
), F2FS_DIRTY_QDATA
);
2096 static inline void dec_page_count(struct f2fs_sb_info
*sbi
, int count_type
)
2098 atomic_dec(&sbi
->nr_pages
[count_type
]);
2101 static inline void inode_dec_dirty_pages(struct inode
*inode
)
2103 if (!S_ISDIR(inode
->i_mode
) && !S_ISREG(inode
->i_mode
) &&
2104 !S_ISLNK(inode
->i_mode
))
2107 atomic_dec(&F2FS_I(inode
)->dirty_pages
);
2108 dec_page_count(F2FS_I_SB(inode
), S_ISDIR(inode
->i_mode
) ?
2109 F2FS_DIRTY_DENTS
: F2FS_DIRTY_DATA
);
2110 if (IS_NOQUOTA(inode
))
2111 dec_page_count(F2FS_I_SB(inode
), F2FS_DIRTY_QDATA
);
2114 static inline s64
get_pages(struct f2fs_sb_info
*sbi
, int count_type
)
2116 return atomic_read(&sbi
->nr_pages
[count_type
]);
2119 static inline int get_dirty_pages(struct inode
*inode
)
2121 return atomic_read(&F2FS_I(inode
)->dirty_pages
);
2124 static inline int get_blocktype_secs(struct f2fs_sb_info
*sbi
, int block_type
)
2126 unsigned int pages_per_sec
= sbi
->segs_per_sec
* sbi
->blocks_per_seg
;
2127 unsigned int segs
= (get_pages(sbi
, block_type
) + pages_per_sec
- 1) >>
2128 sbi
->log_blocks_per_seg
;
2130 return segs
/ sbi
->segs_per_sec
;
2133 static inline block_t
valid_user_blocks(struct f2fs_sb_info
*sbi
)
2135 return sbi
->total_valid_block_count
;
2138 static inline block_t
discard_blocks(struct f2fs_sb_info
*sbi
)
2140 return sbi
->discard_blks
;
2143 static inline unsigned long __bitmap_size(struct f2fs_sb_info
*sbi
, int flag
)
2145 struct f2fs_checkpoint
*ckpt
= F2FS_CKPT(sbi
);
2147 /* return NAT or SIT bitmap */
2148 if (flag
== NAT_BITMAP
)
2149 return le32_to_cpu(ckpt
->nat_ver_bitmap_bytesize
);
2150 else if (flag
== SIT_BITMAP
)
2151 return le32_to_cpu(ckpt
->sit_ver_bitmap_bytesize
);
2156 static inline block_t
__cp_payload(struct f2fs_sb_info
*sbi
)
2158 return le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_payload
);
2161 static inline void *__bitmap_ptr(struct f2fs_sb_info
*sbi
, int flag
)
2163 struct f2fs_checkpoint
*ckpt
= F2FS_CKPT(sbi
);
2166 if (is_set_ckpt_flags(sbi
, CP_LARGE_NAT_BITMAP_FLAG
)) {
2167 offset
= (flag
== SIT_BITMAP
) ?
2168 le32_to_cpu(ckpt
->nat_ver_bitmap_bytesize
) : 0;
2170 * if large_nat_bitmap feature is enabled, leave checksum
2171 * protection for all nat/sit bitmaps.
2173 return &ckpt
->sit_nat_version_bitmap
+ offset
+ sizeof(__le32
);
2176 if (__cp_payload(sbi
) > 0) {
2177 if (flag
== NAT_BITMAP
)
2178 return &ckpt
->sit_nat_version_bitmap
;
2180 return (unsigned char *)ckpt
+ F2FS_BLKSIZE
;
2182 offset
= (flag
== NAT_BITMAP
) ?
2183 le32_to_cpu(ckpt
->sit_ver_bitmap_bytesize
) : 0;
2184 return &ckpt
->sit_nat_version_bitmap
+ offset
;
2188 static inline block_t
__start_cp_addr(struct f2fs_sb_info
*sbi
)
2190 block_t start_addr
= le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_blkaddr
);
2192 if (sbi
->cur_cp_pack
== 2)
2193 start_addr
+= sbi
->blocks_per_seg
;
2197 static inline block_t
__start_cp_next_addr(struct f2fs_sb_info
*sbi
)
2199 block_t start_addr
= le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_blkaddr
);
2201 if (sbi
->cur_cp_pack
== 1)
2202 start_addr
+= sbi
->blocks_per_seg
;
2206 static inline void __set_cp_next_pack(struct f2fs_sb_info
*sbi
)
2208 sbi
->cur_cp_pack
= (sbi
->cur_cp_pack
== 1) ? 2 : 1;
2211 static inline block_t
__start_sum_addr(struct f2fs_sb_info
*sbi
)
2213 return le32_to_cpu(F2FS_CKPT(sbi
)->cp_pack_start_sum
);
2216 static inline int inc_valid_node_count(struct f2fs_sb_info
*sbi
,
2217 struct inode
*inode
, bool is_inode
)
2219 block_t valid_block_count
;
2220 unsigned int valid_node_count
, user_block_count
;
2225 err
= dquot_alloc_inode(inode
);
2230 err
= dquot_reserve_block(inode
, 1);
2235 if (time_to_inject(sbi
, FAULT_BLOCK
)) {
2236 f2fs_show_injection_info(sbi
, FAULT_BLOCK
);
2240 spin_lock(&sbi
->stat_lock
);
2242 valid_block_count
= sbi
->total_valid_block_count
+
2243 sbi
->current_reserved_blocks
+ 1;
2245 if (!__allow_reserved_blocks(sbi
, inode
, false))
2246 valid_block_count
+= F2FS_OPTION(sbi
).root_reserved_blocks
;
2247 user_block_count
= sbi
->user_block_count
;
2248 if (unlikely(is_sbi_flag_set(sbi
, SBI_CP_DISABLED
)))
2249 user_block_count
-= sbi
->unusable_block_count
;
2251 if (unlikely(valid_block_count
> user_block_count
)) {
2252 spin_unlock(&sbi
->stat_lock
);
2256 valid_node_count
= sbi
->total_valid_node_count
+ 1;
2257 if (unlikely(valid_node_count
> sbi
->total_node_count
)) {
2258 spin_unlock(&sbi
->stat_lock
);
2262 sbi
->total_valid_node_count
++;
2263 sbi
->total_valid_block_count
++;
2264 spin_unlock(&sbi
->stat_lock
);
2268 f2fs_mark_inode_dirty_sync(inode
, true);
2270 f2fs_i_blocks_write(inode
, 1, true, true);
2273 percpu_counter_inc(&sbi
->alloc_valid_block_count
);
2279 dquot_free_inode(inode
);
2281 dquot_release_reservation_block(inode
, 1);
2286 static inline void dec_valid_node_count(struct f2fs_sb_info
*sbi
,
2287 struct inode
*inode
, bool is_inode
)
2289 spin_lock(&sbi
->stat_lock
);
2291 f2fs_bug_on(sbi
, !sbi
->total_valid_block_count
);
2292 f2fs_bug_on(sbi
, !sbi
->total_valid_node_count
);
2294 sbi
->total_valid_node_count
--;
2295 sbi
->total_valid_block_count
--;
2296 if (sbi
->reserved_blocks
&&
2297 sbi
->current_reserved_blocks
< sbi
->reserved_blocks
)
2298 sbi
->current_reserved_blocks
++;
2300 spin_unlock(&sbi
->stat_lock
);
2303 dquot_free_inode(inode
);
2305 if (unlikely(inode
->i_blocks
== 0)) {
2306 f2fs_warn(sbi
, "dec_valid_node_count: inconsistent i_blocks, ino:%lu, iblocks:%llu",
2308 (unsigned long long)inode
->i_blocks
);
2309 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
2312 f2fs_i_blocks_write(inode
, 1, false, true);
2316 static inline unsigned int valid_node_count(struct f2fs_sb_info
*sbi
)
2318 return sbi
->total_valid_node_count
;
2321 static inline void inc_valid_inode_count(struct f2fs_sb_info
*sbi
)
2323 percpu_counter_inc(&sbi
->total_valid_inode_count
);
2326 static inline void dec_valid_inode_count(struct f2fs_sb_info
*sbi
)
2328 percpu_counter_dec(&sbi
->total_valid_inode_count
);
2331 static inline s64
valid_inode_count(struct f2fs_sb_info
*sbi
)
2333 return percpu_counter_sum_positive(&sbi
->total_valid_inode_count
);
2336 static inline struct page
*f2fs_grab_cache_page(struct address_space
*mapping
,
2337 pgoff_t index
, bool for_write
)
2341 if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION
)) {
2343 page
= find_get_page_flags(mapping
, index
,
2344 FGP_LOCK
| FGP_ACCESSED
);
2346 page
= find_lock_page(mapping
, index
);
2350 if (time_to_inject(F2FS_M_SB(mapping
), FAULT_PAGE_ALLOC
)) {
2351 f2fs_show_injection_info(F2FS_M_SB(mapping
),
2358 return grab_cache_page(mapping
, index
);
2359 return grab_cache_page_write_begin(mapping
, index
, AOP_FLAG_NOFS
);
2362 static inline struct page
*f2fs_pagecache_get_page(
2363 struct address_space
*mapping
, pgoff_t index
,
2364 int fgp_flags
, gfp_t gfp_mask
)
2366 if (time_to_inject(F2FS_M_SB(mapping
), FAULT_PAGE_GET
)) {
2367 f2fs_show_injection_info(F2FS_M_SB(mapping
), FAULT_PAGE_GET
);
2371 return pagecache_get_page(mapping
, index
, fgp_flags
, gfp_mask
);
2374 static inline void f2fs_copy_page(struct page
*src
, struct page
*dst
)
2376 char *src_kaddr
= kmap(src
);
2377 char *dst_kaddr
= kmap(dst
);
2379 memcpy(dst_kaddr
, src_kaddr
, PAGE_SIZE
);
2384 static inline void f2fs_put_page(struct page
*page
, int unlock
)
2390 f2fs_bug_on(F2FS_P_SB(page
), !PageLocked(page
));
2396 static inline void f2fs_put_dnode(struct dnode_of_data
*dn
)
2399 f2fs_put_page(dn
->node_page
, 1);
2400 if (dn
->inode_page
&& dn
->node_page
!= dn
->inode_page
)
2401 f2fs_put_page(dn
->inode_page
, 0);
2402 dn
->node_page
= NULL
;
2403 dn
->inode_page
= NULL
;
2406 static inline struct kmem_cache
*f2fs_kmem_cache_create(const char *name
,
2409 return kmem_cache_create(name
, size
, 0, SLAB_RECLAIM_ACCOUNT
, NULL
);
2412 static inline void *f2fs_kmem_cache_alloc(struct kmem_cache
*cachep
,
2417 entry
= kmem_cache_alloc(cachep
, flags
);
2419 entry
= kmem_cache_alloc(cachep
, flags
| __GFP_NOFAIL
);
2423 static inline bool is_inflight_io(struct f2fs_sb_info
*sbi
, int type
)
2425 if (get_pages(sbi
, F2FS_RD_DATA
) || get_pages(sbi
, F2FS_RD_NODE
) ||
2426 get_pages(sbi
, F2FS_RD_META
) || get_pages(sbi
, F2FS_WB_DATA
) ||
2427 get_pages(sbi
, F2FS_WB_CP_DATA
) ||
2428 get_pages(sbi
, F2FS_DIO_READ
) ||
2429 get_pages(sbi
, F2FS_DIO_WRITE
))
2432 if (type
!= DISCARD_TIME
&& SM_I(sbi
) && SM_I(sbi
)->dcc_info
&&
2433 atomic_read(&SM_I(sbi
)->dcc_info
->queued_discard
))
2436 if (SM_I(sbi
) && SM_I(sbi
)->fcc_info
&&
2437 atomic_read(&SM_I(sbi
)->fcc_info
->queued_flush
))
2442 static inline bool is_idle(struct f2fs_sb_info
*sbi
, int type
)
2444 if (sbi
->gc_mode
== GC_URGENT_HIGH
)
2447 if (is_inflight_io(sbi
, type
))
2450 if (sbi
->gc_mode
== GC_URGENT_LOW
&&
2451 (type
== DISCARD_TIME
|| type
== GC_TIME
))
2454 return f2fs_time_over(sbi
, type
);
2457 static inline void f2fs_radix_tree_insert(struct radix_tree_root
*root
,
2458 unsigned long index
, void *item
)
2460 while (radix_tree_insert(root
, index
, item
))
2464 #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino)
2466 static inline bool IS_INODE(struct page
*page
)
2468 struct f2fs_node
*p
= F2FS_NODE(page
);
2470 return RAW_IS_INODE(p
);
2473 static inline int offset_in_addr(struct f2fs_inode
*i
)
2475 return (i
->i_inline
& F2FS_EXTRA_ATTR
) ?
2476 (le16_to_cpu(i
->i_extra_isize
) / sizeof(__le32
)) : 0;
2479 static inline __le32
*blkaddr_in_node(struct f2fs_node
*node
)
2481 return RAW_IS_INODE(node
) ? node
->i
.i_addr
: node
->dn
.addr
;
2484 static inline int f2fs_has_extra_attr(struct inode
*inode
);
2485 static inline block_t
data_blkaddr(struct inode
*inode
,
2486 struct page
*node_page
, unsigned int offset
)
2488 struct f2fs_node
*raw_node
;
2491 bool is_inode
= IS_INODE(node_page
);
2493 raw_node
= F2FS_NODE(node_page
);
2497 /* from GC path only */
2498 base
= offset_in_addr(&raw_node
->i
);
2499 else if (f2fs_has_extra_attr(inode
))
2500 base
= get_extra_isize(inode
);
2503 addr_array
= blkaddr_in_node(raw_node
);
2504 return le32_to_cpu(addr_array
[base
+ offset
]);
2507 static inline block_t
f2fs_data_blkaddr(struct dnode_of_data
*dn
)
2509 return data_blkaddr(dn
->inode
, dn
->node_page
, dn
->ofs_in_node
);
2512 static inline int f2fs_test_bit(unsigned int nr
, char *addr
)
2517 mask
= 1 << (7 - (nr
& 0x07));
2518 return mask
& *addr
;
2521 static inline void f2fs_set_bit(unsigned int nr
, char *addr
)
2526 mask
= 1 << (7 - (nr
& 0x07));
2530 static inline void f2fs_clear_bit(unsigned int nr
, char *addr
)
2535 mask
= 1 << (7 - (nr
& 0x07));
2539 static inline int f2fs_test_and_set_bit(unsigned int nr
, char *addr
)
2545 mask
= 1 << (7 - (nr
& 0x07));
2551 static inline int f2fs_test_and_clear_bit(unsigned int nr
, char *addr
)
2557 mask
= 1 << (7 - (nr
& 0x07));
2563 static inline void f2fs_change_bit(unsigned int nr
, char *addr
)
2568 mask
= 1 << (7 - (nr
& 0x07));
2573 * On-disk inode flags (f2fs_inode::i_flags)
2575 #define F2FS_COMPR_FL 0x00000004 /* Compress file */
2576 #define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */
2577 #define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */
2578 #define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */
2579 #define F2FS_NODUMP_FL 0x00000040 /* do not dump file */
2580 #define F2FS_NOATIME_FL 0x00000080 /* do not update atime */
2581 #define F2FS_NOCOMP_FL 0x00000400 /* Don't compress */
2582 #define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */
2583 #define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
2584 #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
2585 #define F2FS_CASEFOLD_FL 0x40000000 /* Casefolded file */
2587 /* Flags that should be inherited by new inodes from their parent. */
2588 #define F2FS_FL_INHERITED (F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL | \
2589 F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
2590 F2FS_CASEFOLD_FL | F2FS_COMPR_FL | F2FS_NOCOMP_FL)
2592 /* Flags that are appropriate for regular files (all but dir-specific ones). */
2593 #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
2596 /* Flags that are appropriate for non-directories/regular files. */
2597 #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL)
2599 static inline __u32
f2fs_mask_flags(umode_t mode
, __u32 flags
)
2603 else if (S_ISREG(mode
))
2604 return flags
& F2FS_REG_FLMASK
;
2606 return flags
& F2FS_OTHER_FLMASK
;
2609 static inline void __mark_inode_dirty_flag(struct inode
*inode
,
2613 case FI_INLINE_XATTR
:
2614 case FI_INLINE_DATA
:
2615 case FI_INLINE_DENTRY
:
2621 case FI_INLINE_DOTS
:
2623 f2fs_mark_inode_dirty_sync(inode
, true);
2627 static inline void set_inode_flag(struct inode
*inode
, int flag
)
2629 set_bit(flag
, F2FS_I(inode
)->flags
);
2630 __mark_inode_dirty_flag(inode
, flag
, true);
2633 static inline int is_inode_flag_set(struct inode
*inode
, int flag
)
2635 return test_bit(flag
, F2FS_I(inode
)->flags
);
2638 static inline void clear_inode_flag(struct inode
*inode
, int flag
)
2640 clear_bit(flag
, F2FS_I(inode
)->flags
);
2641 __mark_inode_dirty_flag(inode
, flag
, false);
2644 static inline bool f2fs_verity_in_progress(struct inode
*inode
)
2646 return IS_ENABLED(CONFIG_FS_VERITY
) &&
2647 is_inode_flag_set(inode
, FI_VERITY_IN_PROGRESS
);
2650 static inline void set_acl_inode(struct inode
*inode
, umode_t mode
)
2652 F2FS_I(inode
)->i_acl_mode
= mode
;
2653 set_inode_flag(inode
, FI_ACL_MODE
);
2654 f2fs_mark_inode_dirty_sync(inode
, false);
2657 static inline void f2fs_i_links_write(struct inode
*inode
, bool inc
)
2663 f2fs_mark_inode_dirty_sync(inode
, true);
2666 static inline void f2fs_i_blocks_write(struct inode
*inode
,
2667 block_t diff
, bool add
, bool claim
)
2669 bool clean
= !is_inode_flag_set(inode
, FI_DIRTY_INODE
);
2670 bool recover
= is_inode_flag_set(inode
, FI_AUTO_RECOVER
);
2672 /* add = 1, claim = 1 should be dquot_reserve_block in pair */
2675 dquot_claim_block(inode
, diff
);
2677 dquot_alloc_block_nofail(inode
, diff
);
2679 dquot_free_block(inode
, diff
);
2682 f2fs_mark_inode_dirty_sync(inode
, true);
2683 if (clean
|| recover
)
2684 set_inode_flag(inode
, FI_AUTO_RECOVER
);
2687 static inline void f2fs_i_size_write(struct inode
*inode
, loff_t i_size
)
2689 bool clean
= !is_inode_flag_set(inode
, FI_DIRTY_INODE
);
2690 bool recover
= is_inode_flag_set(inode
, FI_AUTO_RECOVER
);
2692 if (i_size_read(inode
) == i_size
)
2695 i_size_write(inode
, i_size
);
2696 f2fs_mark_inode_dirty_sync(inode
, true);
2697 if (clean
|| recover
)
2698 set_inode_flag(inode
, FI_AUTO_RECOVER
);
2701 static inline void f2fs_i_depth_write(struct inode
*inode
, unsigned int depth
)
2703 F2FS_I(inode
)->i_current_depth
= depth
;
2704 f2fs_mark_inode_dirty_sync(inode
, true);
2707 static inline void f2fs_i_gc_failures_write(struct inode
*inode
,
2710 F2FS_I(inode
)->i_gc_failures
[GC_FAILURE_PIN
] = count
;
2711 f2fs_mark_inode_dirty_sync(inode
, true);
2714 static inline void f2fs_i_xnid_write(struct inode
*inode
, nid_t xnid
)
2716 F2FS_I(inode
)->i_xattr_nid
= xnid
;
2717 f2fs_mark_inode_dirty_sync(inode
, true);
2720 static inline void f2fs_i_pino_write(struct inode
*inode
, nid_t pino
)
2722 F2FS_I(inode
)->i_pino
= pino
;
2723 f2fs_mark_inode_dirty_sync(inode
, true);
2726 static inline void get_inline_info(struct inode
*inode
, struct f2fs_inode
*ri
)
2728 struct f2fs_inode_info
*fi
= F2FS_I(inode
);
2730 if (ri
->i_inline
& F2FS_INLINE_XATTR
)
2731 set_bit(FI_INLINE_XATTR
, fi
->flags
);
2732 if (ri
->i_inline
& F2FS_INLINE_DATA
)
2733 set_bit(FI_INLINE_DATA
, fi
->flags
);
2734 if (ri
->i_inline
& F2FS_INLINE_DENTRY
)
2735 set_bit(FI_INLINE_DENTRY
, fi
->flags
);
2736 if (ri
->i_inline
& F2FS_DATA_EXIST
)
2737 set_bit(FI_DATA_EXIST
, fi
->flags
);
2738 if (ri
->i_inline
& F2FS_INLINE_DOTS
)
2739 set_bit(FI_INLINE_DOTS
, fi
->flags
);
2740 if (ri
->i_inline
& F2FS_EXTRA_ATTR
)
2741 set_bit(FI_EXTRA_ATTR
, fi
->flags
);
2742 if (ri
->i_inline
& F2FS_PIN_FILE
)
2743 set_bit(FI_PIN_FILE
, fi
->flags
);
2746 static inline void set_raw_inline(struct inode
*inode
, struct f2fs_inode
*ri
)
2750 if (is_inode_flag_set(inode
, FI_INLINE_XATTR
))
2751 ri
->i_inline
|= F2FS_INLINE_XATTR
;
2752 if (is_inode_flag_set(inode
, FI_INLINE_DATA
))
2753 ri
->i_inline
|= F2FS_INLINE_DATA
;
2754 if (is_inode_flag_set(inode
, FI_INLINE_DENTRY
))
2755 ri
->i_inline
|= F2FS_INLINE_DENTRY
;
2756 if (is_inode_flag_set(inode
, FI_DATA_EXIST
))
2757 ri
->i_inline
|= F2FS_DATA_EXIST
;
2758 if (is_inode_flag_set(inode
, FI_INLINE_DOTS
))
2759 ri
->i_inline
|= F2FS_INLINE_DOTS
;
2760 if (is_inode_flag_set(inode
, FI_EXTRA_ATTR
))
2761 ri
->i_inline
|= F2FS_EXTRA_ATTR
;
2762 if (is_inode_flag_set(inode
, FI_PIN_FILE
))
2763 ri
->i_inline
|= F2FS_PIN_FILE
;
2766 static inline int f2fs_has_extra_attr(struct inode
*inode
)
2768 return is_inode_flag_set(inode
, FI_EXTRA_ATTR
);
2771 static inline int f2fs_has_inline_xattr(struct inode
*inode
)
2773 return is_inode_flag_set(inode
, FI_INLINE_XATTR
);
2776 static inline int f2fs_compressed_file(struct inode
*inode
)
2778 return S_ISREG(inode
->i_mode
) &&
2779 is_inode_flag_set(inode
, FI_COMPRESSED_FILE
);
2782 static inline bool f2fs_need_compress_data(struct inode
*inode
)
2784 int compress_mode
= F2FS_OPTION(F2FS_I_SB(inode
)).compress_mode
;
2786 if (!f2fs_compressed_file(inode
))
2789 if (compress_mode
== COMPR_MODE_FS
)
2791 else if (compress_mode
== COMPR_MODE_USER
&&
2792 is_inode_flag_set(inode
, FI_ENABLE_COMPRESS
))
2798 static inline unsigned int addrs_per_inode(struct inode
*inode
)
2800 unsigned int addrs
= CUR_ADDRS_PER_INODE(inode
) -
2801 get_inline_xattr_addrs(inode
);
2803 if (!f2fs_compressed_file(inode
))
2805 return ALIGN_DOWN(addrs
, F2FS_I(inode
)->i_cluster_size
);
2808 static inline unsigned int addrs_per_block(struct inode
*inode
)
2810 if (!f2fs_compressed_file(inode
))
2811 return DEF_ADDRS_PER_BLOCK
;
2812 return ALIGN_DOWN(DEF_ADDRS_PER_BLOCK
, F2FS_I(inode
)->i_cluster_size
);
2815 static inline void *inline_xattr_addr(struct inode
*inode
, struct page
*page
)
2817 struct f2fs_inode
*ri
= F2FS_INODE(page
);
2819 return (void *)&(ri
->i_addr
[DEF_ADDRS_PER_INODE
-
2820 get_inline_xattr_addrs(inode
)]);
2823 static inline int inline_xattr_size(struct inode
*inode
)
2825 if (f2fs_has_inline_xattr(inode
))
2826 return get_inline_xattr_addrs(inode
) * sizeof(__le32
);
2830 static inline int f2fs_has_inline_data(struct inode
*inode
)
2832 return is_inode_flag_set(inode
, FI_INLINE_DATA
);
2835 static inline int f2fs_exist_data(struct inode
*inode
)
2837 return is_inode_flag_set(inode
, FI_DATA_EXIST
);
2840 static inline int f2fs_has_inline_dots(struct inode
*inode
)
2842 return is_inode_flag_set(inode
, FI_INLINE_DOTS
);
2845 static inline int f2fs_is_mmap_file(struct inode
*inode
)
2847 return is_inode_flag_set(inode
, FI_MMAP_FILE
);
2850 static inline bool f2fs_is_pinned_file(struct inode
*inode
)
2852 return is_inode_flag_set(inode
, FI_PIN_FILE
);
2855 static inline bool f2fs_is_atomic_file(struct inode
*inode
)
2857 return is_inode_flag_set(inode
, FI_ATOMIC_FILE
);
2860 static inline bool f2fs_is_commit_atomic_write(struct inode
*inode
)
2862 return is_inode_flag_set(inode
, FI_ATOMIC_COMMIT
);
2865 static inline bool f2fs_is_volatile_file(struct inode
*inode
)
2867 return is_inode_flag_set(inode
, FI_VOLATILE_FILE
);
2870 static inline bool f2fs_is_first_block_written(struct inode
*inode
)
2872 return is_inode_flag_set(inode
, FI_FIRST_BLOCK_WRITTEN
);
2875 static inline bool f2fs_is_drop_cache(struct inode
*inode
)
2877 return is_inode_flag_set(inode
, FI_DROP_CACHE
);
2880 static inline void *inline_data_addr(struct inode
*inode
, struct page
*page
)
2882 struct f2fs_inode
*ri
= F2FS_INODE(page
);
2883 int extra_size
= get_extra_isize(inode
);
2885 return (void *)&(ri
->i_addr
[extra_size
+ DEF_INLINE_RESERVED_SIZE
]);
2888 static inline int f2fs_has_inline_dentry(struct inode
*inode
)
2890 return is_inode_flag_set(inode
, FI_INLINE_DENTRY
);
2893 static inline int is_file(struct inode
*inode
, int type
)
2895 return F2FS_I(inode
)->i_advise
& type
;
2898 static inline void set_file(struct inode
*inode
, int type
)
2900 F2FS_I(inode
)->i_advise
|= type
;
2901 f2fs_mark_inode_dirty_sync(inode
, true);
2904 static inline void clear_file(struct inode
*inode
, int type
)
2906 F2FS_I(inode
)->i_advise
&= ~type
;
2907 f2fs_mark_inode_dirty_sync(inode
, true);
2910 static inline bool f2fs_is_time_consistent(struct inode
*inode
)
2912 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
, &inode
->i_atime
))
2914 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 1, &inode
->i_ctime
))
2916 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 2, &inode
->i_mtime
))
2918 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 3,
2919 &F2FS_I(inode
)->i_crtime
))
2924 static inline bool f2fs_skip_inode_update(struct inode
*inode
, int dsync
)
2929 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
2931 spin_lock(&sbi
->inode_lock
[DIRTY_META
]);
2932 ret
= list_empty(&F2FS_I(inode
)->gdirty_list
);
2933 spin_unlock(&sbi
->inode_lock
[DIRTY_META
]);
2936 if (!is_inode_flag_set(inode
, FI_AUTO_RECOVER
) ||
2937 file_keep_isize(inode
) ||
2938 i_size_read(inode
) & ~PAGE_MASK
)
2941 if (!f2fs_is_time_consistent(inode
))
2944 spin_lock(&F2FS_I(inode
)->i_size_lock
);
2945 ret
= F2FS_I(inode
)->last_disk_size
== i_size_read(inode
);
2946 spin_unlock(&F2FS_I(inode
)->i_size_lock
);
2951 static inline bool f2fs_readonly(struct super_block
*sb
)
2953 return sb_rdonly(sb
);
2956 static inline bool f2fs_cp_error(struct f2fs_sb_info
*sbi
)
2958 return is_set_ckpt_flags(sbi
, CP_ERROR_FLAG
);
2961 static inline bool is_dot_dotdot(const u8
*name
, size_t len
)
2963 if (len
== 1 && name
[0] == '.')
2966 if (len
== 2 && name
[0] == '.' && name
[1] == '.')
2972 static inline bool f2fs_may_extent_tree(struct inode
*inode
)
2974 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
2976 if (!test_opt(sbi
, EXTENT_CACHE
) ||
2977 is_inode_flag_set(inode
, FI_NO_EXTENT
) ||
2978 is_inode_flag_set(inode
, FI_COMPRESSED_FILE
))
2982 * for recovered files during mount do not create extents
2983 * if shrinker is not registered.
2985 if (list_empty(&sbi
->s_list
))
2988 return S_ISREG(inode
->i_mode
);
2991 static inline void *f2fs_kmalloc(struct f2fs_sb_info
*sbi
,
2992 size_t size
, gfp_t flags
)
2994 if (time_to_inject(sbi
, FAULT_KMALLOC
)) {
2995 f2fs_show_injection_info(sbi
, FAULT_KMALLOC
);
2999 return kmalloc(size
, flags
);
3002 static inline void *f2fs_kzalloc(struct f2fs_sb_info
*sbi
,
3003 size_t size
, gfp_t flags
)
3005 return f2fs_kmalloc(sbi
, size
, flags
| __GFP_ZERO
);
3008 static inline void *f2fs_kvmalloc(struct f2fs_sb_info
*sbi
,
3009 size_t size
, gfp_t flags
)
3011 if (time_to_inject(sbi
, FAULT_KVMALLOC
)) {
3012 f2fs_show_injection_info(sbi
, FAULT_KVMALLOC
);
3016 return kvmalloc(size
, flags
);
3019 static inline void *f2fs_kvzalloc(struct f2fs_sb_info
*sbi
,
3020 size_t size
, gfp_t flags
)
3022 return f2fs_kvmalloc(sbi
, size
, flags
| __GFP_ZERO
);
3025 static inline int get_extra_isize(struct inode
*inode
)
3027 return F2FS_I(inode
)->i_extra_isize
/ sizeof(__le32
);
3030 static inline int get_inline_xattr_addrs(struct inode
*inode
)
3032 return F2FS_I(inode
)->i_inline_xattr_size
;
3035 #define f2fs_get_inode_mode(i) \
3036 ((is_inode_flag_set(i, FI_ACL_MODE)) ? \
3037 (F2FS_I(i)->i_acl_mode) : ((i)->i_mode))
3039 #define F2FS_TOTAL_EXTRA_ATTR_SIZE \
3040 (offsetof(struct f2fs_inode, i_extra_end) - \
3041 offsetof(struct f2fs_inode, i_extra_isize)) \
3043 #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr))
3044 #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \
3045 ((offsetof(typeof(*(f2fs_inode)), field) + \
3046 sizeof((f2fs_inode)->field)) \
3047 <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \
3049 #define DEFAULT_IOSTAT_PERIOD_MS 3000
3050 #define MIN_IOSTAT_PERIOD_MS 100
3051 /* maximum period of iostat tracing is 1 day */
3052 #define MAX_IOSTAT_PERIOD_MS 8640000
3054 static inline void f2fs_reset_iostat(struct f2fs_sb_info
*sbi
)
3058 spin_lock(&sbi
->iostat_lock
);
3059 for (i
= 0; i
< NR_IO_TYPE
; i
++) {
3060 sbi
->rw_iostat
[i
] = 0;
3061 sbi
->prev_rw_iostat
[i
] = 0;
3063 spin_unlock(&sbi
->iostat_lock
);
3066 extern void f2fs_record_iostat(struct f2fs_sb_info
*sbi
);
3068 static inline void f2fs_update_iostat(struct f2fs_sb_info
*sbi
,
3069 enum iostat_type type
, unsigned long long io_bytes
)
3071 if (!sbi
->iostat_enable
)
3073 spin_lock(&sbi
->iostat_lock
);
3074 sbi
->rw_iostat
[type
] += io_bytes
;
3076 if (type
== APP_WRITE_IO
|| type
== APP_DIRECT_IO
)
3077 sbi
->rw_iostat
[APP_BUFFERED_IO
] =
3078 sbi
->rw_iostat
[APP_WRITE_IO
] -
3079 sbi
->rw_iostat
[APP_DIRECT_IO
];
3081 if (type
== APP_READ_IO
|| type
== APP_DIRECT_READ_IO
)
3082 sbi
->rw_iostat
[APP_BUFFERED_READ_IO
] =
3083 sbi
->rw_iostat
[APP_READ_IO
] -
3084 sbi
->rw_iostat
[APP_DIRECT_READ_IO
];
3085 spin_unlock(&sbi
->iostat_lock
);
3087 f2fs_record_iostat(sbi
);
3090 #define __is_large_section(sbi) ((sbi)->segs_per_sec > 1)
3092 #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META)
3094 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info
*sbi
,
3095 block_t blkaddr
, int type
);
3096 static inline void verify_blkaddr(struct f2fs_sb_info
*sbi
,
3097 block_t blkaddr
, int type
)
3099 if (!f2fs_is_valid_blkaddr(sbi
, blkaddr
, type
)) {
3100 f2fs_err(sbi
, "invalid blkaddr: %u, type: %d, run fsck to fix.",
3102 f2fs_bug_on(sbi
, 1);
3106 static inline bool __is_valid_data_blkaddr(block_t blkaddr
)
3108 if (blkaddr
== NEW_ADDR
|| blkaddr
== NULL_ADDR
||
3109 blkaddr
== COMPRESS_ADDR
)
3114 static inline void f2fs_set_page_private(struct page
*page
,
3117 if (PagePrivate(page
))
3120 attach_page_private(page
, (void *)data
);
3123 static inline void f2fs_clear_page_private(struct page
*page
)
3125 detach_page_private(page
);
3131 int f2fs_sync_file(struct file
*file
, loff_t start
, loff_t end
, int datasync
);
3132 void f2fs_truncate_data_blocks(struct dnode_of_data
*dn
);
3133 int f2fs_do_truncate_blocks(struct inode
*inode
, u64 from
, bool lock
);
3134 int f2fs_truncate_blocks(struct inode
*inode
, u64 from
, bool lock
);
3135 int f2fs_truncate(struct inode
*inode
);
3136 int f2fs_getattr(const struct path
*path
, struct kstat
*stat
,
3137 u32 request_mask
, unsigned int flags
);
3138 int f2fs_setattr(struct dentry
*dentry
, struct iattr
*attr
);
3139 int f2fs_truncate_hole(struct inode
*inode
, pgoff_t pg_start
, pgoff_t pg_end
);
3140 void f2fs_truncate_data_blocks_range(struct dnode_of_data
*dn
, int count
);
3141 int f2fs_precache_extents(struct inode
*inode
);
3142 long f2fs_ioctl(struct file
*filp
, unsigned int cmd
, unsigned long arg
);
3143 long f2fs_compat_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
);
3144 int f2fs_transfer_project_quota(struct inode
*inode
, kprojid_t kprojid
);
3145 int f2fs_pin_file_control(struct inode
*inode
, bool inc
);
3150 void f2fs_set_inode_flags(struct inode
*inode
);
3151 bool f2fs_inode_chksum_verify(struct f2fs_sb_info
*sbi
, struct page
*page
);
3152 void f2fs_inode_chksum_set(struct f2fs_sb_info
*sbi
, struct page
*page
);
3153 struct inode
*f2fs_iget(struct super_block
*sb
, unsigned long ino
);
3154 struct inode
*f2fs_iget_retry(struct super_block
*sb
, unsigned long ino
);
3155 int f2fs_try_to_free_nats(struct f2fs_sb_info
*sbi
, int nr_shrink
);
3156 void f2fs_update_inode(struct inode
*inode
, struct page
*node_page
);
3157 void f2fs_update_inode_page(struct inode
*inode
);
3158 int f2fs_write_inode(struct inode
*inode
, struct writeback_control
*wbc
);
3159 void f2fs_evict_inode(struct inode
*inode
);
3160 void f2fs_handle_failed_inode(struct inode
*inode
);
3165 int f2fs_update_extension_list(struct f2fs_sb_info
*sbi
, const char *name
,
3166 bool hot
, bool set
);
3167 struct dentry
*f2fs_get_parent(struct dentry
*child
);
3172 unsigned char f2fs_get_de_type(struct f2fs_dir_entry
*de
);
3173 int f2fs_init_casefolded_name(const struct inode
*dir
,
3174 struct f2fs_filename
*fname
);
3175 int f2fs_setup_filename(struct inode
*dir
, const struct qstr
*iname
,
3176 int lookup
, struct f2fs_filename
*fname
);
3177 int f2fs_prepare_lookup(struct inode
*dir
, struct dentry
*dentry
,
3178 struct f2fs_filename
*fname
);
3179 void f2fs_free_filename(struct f2fs_filename
*fname
);
3180 struct f2fs_dir_entry
*f2fs_find_target_dentry(const struct f2fs_dentry_ptr
*d
,
3181 const struct f2fs_filename
*fname
, int *max_slots
);
3182 int f2fs_fill_dentries(struct dir_context
*ctx
, struct f2fs_dentry_ptr
*d
,
3183 unsigned int start_pos
, struct fscrypt_str
*fstr
);
3184 void f2fs_do_make_empty_dir(struct inode
*inode
, struct inode
*parent
,
3185 struct f2fs_dentry_ptr
*d
);
3186 struct page
*f2fs_init_inode_metadata(struct inode
*inode
, struct inode
*dir
,
3187 const struct f2fs_filename
*fname
, struct page
*dpage
);
3188 void f2fs_update_parent_metadata(struct inode
*dir
, struct inode
*inode
,
3189 unsigned int current_depth
);
3190 int f2fs_room_for_filename(const void *bitmap
, int slots
, int max_slots
);
3191 void f2fs_drop_nlink(struct inode
*dir
, struct inode
*inode
);
3192 struct f2fs_dir_entry
*__f2fs_find_entry(struct inode
*dir
,
3193 const struct f2fs_filename
*fname
,
3194 struct page
**res_page
);
3195 struct f2fs_dir_entry
*f2fs_find_entry(struct inode
*dir
,
3196 const struct qstr
*child
, struct page
**res_page
);
3197 struct f2fs_dir_entry
*f2fs_parent_dir(struct inode
*dir
, struct page
**p
);
3198 ino_t
f2fs_inode_by_name(struct inode
*dir
, const struct qstr
*qstr
,
3199 struct page
**page
);
3200 void f2fs_set_link(struct inode
*dir
, struct f2fs_dir_entry
*de
,
3201 struct page
*page
, struct inode
*inode
);
3202 bool f2fs_has_enough_room(struct inode
*dir
, struct page
*ipage
,
3203 const struct f2fs_filename
*fname
);
3204 void f2fs_update_dentry(nid_t ino
, umode_t mode
, struct f2fs_dentry_ptr
*d
,
3205 const struct fscrypt_str
*name
, f2fs_hash_t name_hash
,
3206 unsigned int bit_pos
);
3207 int f2fs_add_regular_entry(struct inode
*dir
, const struct f2fs_filename
*fname
,
3208 struct inode
*inode
, nid_t ino
, umode_t mode
);
3209 int f2fs_add_dentry(struct inode
*dir
, const struct f2fs_filename
*fname
,
3210 struct inode
*inode
, nid_t ino
, umode_t mode
);
3211 int f2fs_do_add_link(struct inode
*dir
, const struct qstr
*name
,
3212 struct inode
*inode
, nid_t ino
, umode_t mode
);
3213 void f2fs_delete_entry(struct f2fs_dir_entry
*dentry
, struct page
*page
,
3214 struct inode
*dir
, struct inode
*inode
);
3215 int f2fs_do_tmpfile(struct inode
*inode
, struct inode
*dir
);
3216 bool f2fs_empty_dir(struct inode
*dir
);
3218 static inline int f2fs_add_link(struct dentry
*dentry
, struct inode
*inode
)
3220 return f2fs_do_add_link(d_inode(dentry
->d_parent
), &dentry
->d_name
,
3221 inode
, inode
->i_ino
, inode
->i_mode
);
3227 int f2fs_inode_dirtied(struct inode
*inode
, bool sync
);
3228 void f2fs_inode_synced(struct inode
*inode
);
3229 int f2fs_enable_quota_files(struct f2fs_sb_info
*sbi
, bool rdonly
);
3230 int f2fs_quota_sync(struct super_block
*sb
, int type
);
3231 void f2fs_quota_off_umount(struct super_block
*sb
);
3232 int f2fs_commit_super(struct f2fs_sb_info
*sbi
, bool recover
);
3233 int f2fs_sync_fs(struct super_block
*sb
, int sync
);
3234 int f2fs_sanity_check_ckpt(struct f2fs_sb_info
*sbi
);
3239 void f2fs_hash_filename(const struct inode
*dir
, struct f2fs_filename
*fname
);
3244 struct dnode_of_data
;
3247 int f2fs_check_nid_range(struct f2fs_sb_info
*sbi
, nid_t nid
);
3248 bool f2fs_available_free_memory(struct f2fs_sb_info
*sbi
, int type
);
3249 bool f2fs_in_warm_node_list(struct f2fs_sb_info
*sbi
, struct page
*page
);
3250 void f2fs_init_fsync_node_info(struct f2fs_sb_info
*sbi
);
3251 void f2fs_del_fsync_node_entry(struct f2fs_sb_info
*sbi
, struct page
*page
);
3252 void f2fs_reset_fsync_node_info(struct f2fs_sb_info
*sbi
);
3253 int f2fs_need_dentry_mark(struct f2fs_sb_info
*sbi
, nid_t nid
);
3254 bool f2fs_is_checkpointed_node(struct f2fs_sb_info
*sbi
, nid_t nid
);
3255 bool f2fs_need_inode_block_update(struct f2fs_sb_info
*sbi
, nid_t ino
);
3256 int f2fs_get_node_info(struct f2fs_sb_info
*sbi
, nid_t nid
,
3257 struct node_info
*ni
);
3258 pgoff_t
f2fs_get_next_page_offset(struct dnode_of_data
*dn
, pgoff_t pgofs
);
3259 int f2fs_get_dnode_of_data(struct dnode_of_data
*dn
, pgoff_t index
, int mode
);
3260 int f2fs_truncate_inode_blocks(struct inode
*inode
, pgoff_t from
);
3261 int f2fs_truncate_xattr_node(struct inode
*inode
);
3262 int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info
*sbi
,
3263 unsigned int seq_id
);
3264 int f2fs_remove_inode_page(struct inode
*inode
);
3265 struct page
*f2fs_new_inode_page(struct inode
*inode
);
3266 struct page
*f2fs_new_node_page(struct dnode_of_data
*dn
, unsigned int ofs
);
3267 void f2fs_ra_node_page(struct f2fs_sb_info
*sbi
, nid_t nid
);
3268 struct page
*f2fs_get_node_page(struct f2fs_sb_info
*sbi
, pgoff_t nid
);
3269 struct page
*f2fs_get_node_page_ra(struct page
*parent
, int start
);
3270 int f2fs_move_node_page(struct page
*node_page
, int gc_type
);
3271 void f2fs_flush_inline_data(struct f2fs_sb_info
*sbi
);
3272 int f2fs_fsync_node_pages(struct f2fs_sb_info
*sbi
, struct inode
*inode
,
3273 struct writeback_control
*wbc
, bool atomic
,
3274 unsigned int *seq_id
);
3275 int f2fs_sync_node_pages(struct f2fs_sb_info
*sbi
,
3276 struct writeback_control
*wbc
,
3277 bool do_balance
, enum iostat_type io_type
);
3278 int f2fs_build_free_nids(struct f2fs_sb_info
*sbi
, bool sync
, bool mount
);
3279 bool f2fs_alloc_nid(struct f2fs_sb_info
*sbi
, nid_t
*nid
);
3280 void f2fs_alloc_nid_done(struct f2fs_sb_info
*sbi
, nid_t nid
);
3281 void f2fs_alloc_nid_failed(struct f2fs_sb_info
*sbi
, nid_t nid
);
3282 int f2fs_try_to_free_nids(struct f2fs_sb_info
*sbi
, int nr_shrink
);
3283 int f2fs_recover_inline_xattr(struct inode
*inode
, struct page
*page
);
3284 int f2fs_recover_xattr_data(struct inode
*inode
, struct page
*page
);
3285 int f2fs_recover_inode_page(struct f2fs_sb_info
*sbi
, struct page
*page
);
3286 int f2fs_restore_node_summary(struct f2fs_sb_info
*sbi
,
3287 unsigned int segno
, struct f2fs_summary_block
*sum
);
3288 int f2fs_flush_nat_entries(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
3289 int f2fs_build_node_manager(struct f2fs_sb_info
*sbi
);
3290 void f2fs_destroy_node_manager(struct f2fs_sb_info
*sbi
);
3291 int __init
f2fs_create_node_manager_caches(void);
3292 void f2fs_destroy_node_manager_caches(void);
3297 bool f2fs_need_SSR(struct f2fs_sb_info
*sbi
);
3298 void f2fs_register_inmem_page(struct inode
*inode
, struct page
*page
);
3299 void f2fs_drop_inmem_pages_all(struct f2fs_sb_info
*sbi
, bool gc_failure
);
3300 void f2fs_drop_inmem_pages(struct inode
*inode
);
3301 void f2fs_drop_inmem_page(struct inode
*inode
, struct page
*page
);
3302 int f2fs_commit_inmem_pages(struct inode
*inode
);
3303 void f2fs_balance_fs(struct f2fs_sb_info
*sbi
, bool need
);
3304 void f2fs_balance_fs_bg(struct f2fs_sb_info
*sbi
, bool from_bg
);
3305 int f2fs_issue_flush(struct f2fs_sb_info
*sbi
, nid_t ino
);
3306 int f2fs_create_flush_cmd_control(struct f2fs_sb_info
*sbi
);
3307 int f2fs_flush_device_cache(struct f2fs_sb_info
*sbi
);
3308 void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info
*sbi
, bool free
);
3309 void f2fs_invalidate_blocks(struct f2fs_sb_info
*sbi
, block_t addr
);
3310 bool f2fs_is_checkpointed_data(struct f2fs_sb_info
*sbi
, block_t blkaddr
);
3311 void f2fs_drop_discard_cmd(struct f2fs_sb_info
*sbi
);
3312 void f2fs_stop_discard_thread(struct f2fs_sb_info
*sbi
);
3313 bool f2fs_issue_discard_timeout(struct f2fs_sb_info
*sbi
);
3314 void f2fs_clear_prefree_segments(struct f2fs_sb_info
*sbi
,
3315 struct cp_control
*cpc
);
3316 void f2fs_dirty_to_prefree(struct f2fs_sb_info
*sbi
);
3317 block_t
f2fs_get_unusable_blocks(struct f2fs_sb_info
*sbi
);
3318 int f2fs_disable_cp_again(struct f2fs_sb_info
*sbi
, block_t unusable
);
3319 void f2fs_release_discard_addrs(struct f2fs_sb_info
*sbi
);
3320 int f2fs_npages_for_summary_flush(struct f2fs_sb_info
*sbi
, bool for_ra
);
3321 void f2fs_init_inmem_curseg(struct f2fs_sb_info
*sbi
);
3322 void f2fs_save_inmem_curseg(struct f2fs_sb_info
*sbi
);
3323 void f2fs_restore_inmem_curseg(struct f2fs_sb_info
*sbi
);
3324 void f2fs_get_new_segment(struct f2fs_sb_info
*sbi
,
3325 unsigned int *newseg
, bool new_sec
, int dir
);
3326 void f2fs_allocate_segment_for_resize(struct f2fs_sb_info
*sbi
, int type
,
3327 unsigned int start
, unsigned int end
);
3328 void f2fs_allocate_new_segment(struct f2fs_sb_info
*sbi
, int type
);
3329 void f2fs_allocate_new_segments(struct f2fs_sb_info
*sbi
);
3330 int f2fs_trim_fs(struct f2fs_sb_info
*sbi
, struct fstrim_range
*range
);
3331 bool f2fs_exist_trim_candidates(struct f2fs_sb_info
*sbi
,
3332 struct cp_control
*cpc
);
3333 struct page
*f2fs_get_sum_page(struct f2fs_sb_info
*sbi
, unsigned int segno
);
3334 void f2fs_update_meta_page(struct f2fs_sb_info
*sbi
, void *src
,
3336 void f2fs_do_write_meta_page(struct f2fs_sb_info
*sbi
, struct page
*page
,
3337 enum iostat_type io_type
);
3338 void f2fs_do_write_node_page(unsigned int nid
, struct f2fs_io_info
*fio
);
3339 void f2fs_outplace_write_data(struct dnode_of_data
*dn
,
3340 struct f2fs_io_info
*fio
);
3341 int f2fs_inplace_write_data(struct f2fs_io_info
*fio
);
3342 void f2fs_do_replace_block(struct f2fs_sb_info
*sbi
, struct f2fs_summary
*sum
,
3343 block_t old_blkaddr
, block_t new_blkaddr
,
3344 bool recover_curseg
, bool recover_newaddr
,
3346 void f2fs_replace_block(struct f2fs_sb_info
*sbi
, struct dnode_of_data
*dn
,
3347 block_t old_addr
, block_t new_addr
,
3348 unsigned char version
, bool recover_curseg
,
3349 bool recover_newaddr
);
3350 void f2fs_allocate_data_block(struct f2fs_sb_info
*sbi
, struct page
*page
,
3351 block_t old_blkaddr
, block_t
*new_blkaddr
,
3352 struct f2fs_summary
*sum
, int type
,
3353 struct f2fs_io_info
*fio
);
3354 void f2fs_wait_on_page_writeback(struct page
*page
,
3355 enum page_type type
, bool ordered
, bool locked
);
3356 void f2fs_wait_on_block_writeback(struct inode
*inode
, block_t blkaddr
);
3357 void f2fs_wait_on_block_writeback_range(struct inode
*inode
, block_t blkaddr
,
3359 void f2fs_write_data_summaries(struct f2fs_sb_info
*sbi
, block_t start_blk
);
3360 void f2fs_write_node_summaries(struct f2fs_sb_info
*sbi
, block_t start_blk
);
3361 int f2fs_lookup_journal_in_cursum(struct f2fs_journal
*journal
, int type
,
3362 unsigned int val
, int alloc
);
3363 void f2fs_flush_sit_entries(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
3364 int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info
*sbi
);
3365 int f2fs_check_write_pointer(struct f2fs_sb_info
*sbi
);
3366 int f2fs_build_segment_manager(struct f2fs_sb_info
*sbi
);
3367 void f2fs_destroy_segment_manager(struct f2fs_sb_info
*sbi
);
3368 int __init
f2fs_create_segment_manager_caches(void);
3369 void f2fs_destroy_segment_manager_caches(void);
3370 int f2fs_rw_hint_to_seg_type(enum rw_hint hint
);
3371 enum rw_hint
f2fs_io_type_to_rw_hint(struct f2fs_sb_info
*sbi
,
3372 enum page_type type
, enum temp_type temp
);
3373 unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info
*sbi
,
3374 unsigned int segno
);
3375 unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info
*sbi
,
3376 unsigned int segno
);
3381 void f2fs_stop_checkpoint(struct f2fs_sb_info
*sbi
, bool end_io
);
3382 struct page
*f2fs_grab_meta_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3383 struct page
*f2fs_get_meta_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3384 struct page
*f2fs_get_meta_page_retry(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3385 struct page
*f2fs_get_tmp_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3386 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info
*sbi
,
3387 block_t blkaddr
, int type
);
3388 int f2fs_ra_meta_pages(struct f2fs_sb_info
*sbi
, block_t start
, int nrpages
,
3389 int type
, bool sync
);
3390 void f2fs_ra_meta_pages_cond(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3391 long f2fs_sync_meta_pages(struct f2fs_sb_info
*sbi
, enum page_type type
,
3392 long nr_to_write
, enum iostat_type io_type
);
3393 void f2fs_add_ino_entry(struct f2fs_sb_info
*sbi
, nid_t ino
, int type
);
3394 void f2fs_remove_ino_entry(struct f2fs_sb_info
*sbi
, nid_t ino
, int type
);
3395 void f2fs_release_ino_entry(struct f2fs_sb_info
*sbi
, bool all
);
3396 bool f2fs_exist_written_data(struct f2fs_sb_info
*sbi
, nid_t ino
, int mode
);
3397 void f2fs_set_dirty_device(struct f2fs_sb_info
*sbi
, nid_t ino
,
3398 unsigned int devidx
, int type
);
3399 bool f2fs_is_dirty_device(struct f2fs_sb_info
*sbi
, nid_t ino
,
3400 unsigned int devidx
, int type
);
3401 int f2fs_sync_inode_meta(struct f2fs_sb_info
*sbi
);
3402 int f2fs_acquire_orphan_inode(struct f2fs_sb_info
*sbi
);
3403 void f2fs_release_orphan_inode(struct f2fs_sb_info
*sbi
);
3404 void f2fs_add_orphan_inode(struct inode
*inode
);
3405 void f2fs_remove_orphan_inode(struct f2fs_sb_info
*sbi
, nid_t ino
);
3406 int f2fs_recover_orphan_inodes(struct f2fs_sb_info
*sbi
);
3407 int f2fs_get_valid_checkpoint(struct f2fs_sb_info
*sbi
);
3408 void f2fs_update_dirty_page(struct inode
*inode
, struct page
*page
);
3409 void f2fs_remove_dirty_inode(struct inode
*inode
);
3410 int f2fs_sync_dirty_inodes(struct f2fs_sb_info
*sbi
, enum inode_type type
);
3411 void f2fs_wait_on_all_pages(struct f2fs_sb_info
*sbi
, int type
);
3412 u64
f2fs_get_sectors_written(struct f2fs_sb_info
*sbi
);
3413 int f2fs_write_checkpoint(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
3414 void f2fs_init_ino_entry_info(struct f2fs_sb_info
*sbi
);
3415 int __init
f2fs_create_checkpoint_caches(void);
3416 void f2fs_destroy_checkpoint_caches(void);
3421 int __init
f2fs_init_bioset(void);
3422 void f2fs_destroy_bioset(void);
3423 struct bio
*f2fs_bio_alloc(struct f2fs_sb_info
*sbi
, int npages
, bool noio
);
3424 int f2fs_init_bio_entry_cache(void);
3425 void f2fs_destroy_bio_entry_cache(void);
3426 void f2fs_submit_bio(struct f2fs_sb_info
*sbi
,
3427 struct bio
*bio
, enum page_type type
);
3428 void f2fs_submit_merged_write(struct f2fs_sb_info
*sbi
, enum page_type type
);
3429 void f2fs_submit_merged_write_cond(struct f2fs_sb_info
*sbi
,
3430 struct inode
*inode
, struct page
*page
,
3431 nid_t ino
, enum page_type type
);
3432 void f2fs_submit_merged_ipu_write(struct f2fs_sb_info
*sbi
,
3433 struct bio
**bio
, struct page
*page
);
3434 void f2fs_flush_merged_writes(struct f2fs_sb_info
*sbi
);
3435 int f2fs_submit_page_bio(struct f2fs_io_info
*fio
);
3436 int f2fs_merge_page_bio(struct f2fs_io_info
*fio
);
3437 void f2fs_submit_page_write(struct f2fs_io_info
*fio
);
3438 struct block_device
*f2fs_target_device(struct f2fs_sb_info
*sbi
,
3439 block_t blk_addr
, struct bio
*bio
);
3440 int f2fs_target_device_index(struct f2fs_sb_info
*sbi
, block_t blkaddr
);
3441 void f2fs_set_data_blkaddr(struct dnode_of_data
*dn
);
3442 void f2fs_update_data_blkaddr(struct dnode_of_data
*dn
, block_t blkaddr
);
3443 int f2fs_reserve_new_blocks(struct dnode_of_data
*dn
, blkcnt_t count
);
3444 int f2fs_reserve_new_block(struct dnode_of_data
*dn
);
3445 int f2fs_get_block(struct dnode_of_data
*dn
, pgoff_t index
);
3446 int f2fs_preallocate_blocks(struct kiocb
*iocb
, struct iov_iter
*from
);
3447 int f2fs_reserve_block(struct dnode_of_data
*dn
, pgoff_t index
);
3448 struct page
*f2fs_get_read_data_page(struct inode
*inode
, pgoff_t index
,
3449 int op_flags
, bool for_write
);
3450 struct page
*f2fs_find_data_page(struct inode
*inode
, pgoff_t index
);
3451 struct page
*f2fs_get_lock_data_page(struct inode
*inode
, pgoff_t index
,
3453 struct page
*f2fs_get_new_data_page(struct inode
*inode
,
3454 struct page
*ipage
, pgoff_t index
, bool new_i_size
);
3455 int f2fs_do_write_data_page(struct f2fs_io_info
*fio
);
3456 void f2fs_do_map_lock(struct f2fs_sb_info
*sbi
, int flag
, bool lock
);
3457 int f2fs_map_blocks(struct inode
*inode
, struct f2fs_map_blocks
*map
,
3458 int create
, int flag
);
3459 int f2fs_fiemap(struct inode
*inode
, struct fiemap_extent_info
*fieinfo
,
3460 u64 start
, u64 len
);
3461 int f2fs_encrypt_one_page(struct f2fs_io_info
*fio
);
3462 bool f2fs_should_update_inplace(struct inode
*inode
, struct f2fs_io_info
*fio
);
3463 bool f2fs_should_update_outplace(struct inode
*inode
, struct f2fs_io_info
*fio
);
3464 int f2fs_write_single_data_page(struct page
*page
, int *submitted
,
3465 struct bio
**bio
, sector_t
*last_block
,
3466 struct writeback_control
*wbc
,
3467 enum iostat_type io_type
,
3469 void f2fs_invalidate_page(struct page
*page
, unsigned int offset
,
3470 unsigned int length
);
3471 int f2fs_release_page(struct page
*page
, gfp_t wait
);
3472 #ifdef CONFIG_MIGRATION
3473 int f2fs_migrate_page(struct address_space
*mapping
, struct page
*newpage
,
3474 struct page
*page
, enum migrate_mode mode
);
3476 bool f2fs_overwrite_io(struct inode
*inode
, loff_t pos
, size_t len
);
3477 void f2fs_clear_page_cache_dirty_tag(struct page
*page
);
3478 int f2fs_init_post_read_processing(void);
3479 void f2fs_destroy_post_read_processing(void);
3480 int f2fs_init_post_read_wq(struct f2fs_sb_info
*sbi
);
3481 void f2fs_destroy_post_read_wq(struct f2fs_sb_info
*sbi
);
3486 int f2fs_start_gc_thread(struct f2fs_sb_info
*sbi
);
3487 void f2fs_stop_gc_thread(struct f2fs_sb_info
*sbi
);
3488 block_t
f2fs_start_bidx_of_node(unsigned int node_ofs
, struct inode
*inode
);
3489 int f2fs_gc(struct f2fs_sb_info
*sbi
, bool sync
, bool background
,
3490 unsigned int segno
);
3491 void f2fs_build_gc_manager(struct f2fs_sb_info
*sbi
);
3492 int f2fs_resize_fs(struct f2fs_sb_info
*sbi
, __u64 block_count
);
3493 int __init
f2fs_create_garbage_collection_cache(void);
3494 void f2fs_destroy_garbage_collection_cache(void);
3499 int f2fs_recover_fsync_data(struct f2fs_sb_info
*sbi
, bool check_only
);
3500 bool f2fs_space_for_roll_forward(struct f2fs_sb_info
*sbi
);
3505 #ifdef CONFIG_F2FS_STAT_FS
3506 struct f2fs_stat_info
{
3507 struct list_head stat_list
;
3508 struct f2fs_sb_info
*sbi
;
3509 int all_area_segs
, sit_area_segs
, nat_area_segs
, ssa_area_segs
;
3510 int main_area_segs
, main_area_sections
, main_area_zones
;
3511 unsigned long long hit_largest
, hit_cached
, hit_rbtree
;
3512 unsigned long long hit_total
, total_ext
;
3513 int ext_tree
, zombie_tree
, ext_node
;
3514 int ndirty_node
, ndirty_dent
, ndirty_meta
, ndirty_imeta
;
3515 int ndirty_data
, ndirty_qdata
;
3517 unsigned int ndirty_dirs
, ndirty_files
, nquota_files
, ndirty_all
;
3518 int nats
, dirty_nats
, sits
, dirty_sits
;
3519 int free_nids
, avail_nids
, alloc_nids
;
3520 int total_count
, utilization
;
3521 int bg_gc
, nr_wb_cp_data
, nr_wb_data
;
3522 int nr_rd_data
, nr_rd_node
, nr_rd_meta
;
3523 int nr_dio_read
, nr_dio_write
;
3524 unsigned int io_skip_bggc
, other_skip_bggc
;
3525 int nr_flushing
, nr_flushed
, flush_list_empty
;
3526 int nr_discarding
, nr_discarded
;
3528 unsigned int undiscard_blks
;
3529 int inline_xattr
, inline_inode
, inline_dir
, append
, update
, orphans
;
3531 unsigned long long compr_blocks
;
3532 int aw_cnt
, max_aw_cnt
, vw_cnt
, max_vw_cnt
;
3533 unsigned int valid_count
, valid_node_count
, valid_inode_count
, discard_blks
;
3534 unsigned int bimodal
, avg_vblocks
;
3535 int util_free
, util_valid
, util_invalid
;
3536 int rsvd_segs
, overp_segs
;
3537 int dirty_count
, node_pages
, meta_pages
;
3538 int prefree_count
, call_count
, cp_count
, bg_cp_count
;
3539 int tot_segs
, node_segs
, data_segs
, free_segs
, free_secs
;
3540 int bg_node_segs
, bg_data_segs
;
3541 int tot_blks
, data_blks
, node_blks
;
3542 int bg_data_blks
, bg_node_blks
;
3543 unsigned long long skipped_atomic_files
[2];
3544 int curseg
[NR_CURSEG_TYPE
];
3545 int cursec
[NR_CURSEG_TYPE
];
3546 int curzone
[NR_CURSEG_TYPE
];
3547 unsigned int dirty_seg
[NR_CURSEG_TYPE
];
3548 unsigned int full_seg
[NR_CURSEG_TYPE
];
3549 unsigned int valid_blks
[NR_CURSEG_TYPE
];
3551 unsigned int meta_count
[META_MAX
];
3552 unsigned int segment_count
[2];
3553 unsigned int block_count
[2];
3554 unsigned int inplace_count
;
3555 unsigned long long base_mem
, cache_mem
, page_mem
;
3558 static inline struct f2fs_stat_info
*F2FS_STAT(struct f2fs_sb_info
*sbi
)
3560 return (struct f2fs_stat_info
*)sbi
->stat_info
;
3563 #define stat_inc_cp_count(si) ((si)->cp_count++)
3564 #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++)
3565 #define stat_inc_call_count(si) ((si)->call_count++)
3566 #define stat_inc_bggc_count(si) ((si)->bg_gc++)
3567 #define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++)
3568 #define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++)
3569 #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++)
3570 #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--)
3571 #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext))
3572 #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree))
3573 #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest))
3574 #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached))
3575 #define stat_inc_inline_xattr(inode) \
3577 if (f2fs_has_inline_xattr(inode)) \
3578 (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \
3580 #define stat_dec_inline_xattr(inode) \
3582 if (f2fs_has_inline_xattr(inode)) \
3583 (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \
3585 #define stat_inc_inline_inode(inode) \
3587 if (f2fs_has_inline_data(inode)) \
3588 (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \
3590 #define stat_dec_inline_inode(inode) \
3592 if (f2fs_has_inline_data(inode)) \
3593 (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \
3595 #define stat_inc_inline_dir(inode) \
3597 if (f2fs_has_inline_dentry(inode)) \
3598 (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \
3600 #define stat_dec_inline_dir(inode) \
3602 if (f2fs_has_inline_dentry(inode)) \
3603 (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \
3605 #define stat_inc_compr_inode(inode) \
3607 if (f2fs_compressed_file(inode)) \
3608 (atomic_inc(&F2FS_I_SB(inode)->compr_inode)); \
3610 #define stat_dec_compr_inode(inode) \
3612 if (f2fs_compressed_file(inode)) \
3613 (atomic_dec(&F2FS_I_SB(inode)->compr_inode)); \
3615 #define stat_add_compr_blocks(inode, blocks) \
3616 (atomic64_add(blocks, &F2FS_I_SB(inode)->compr_blocks))
3617 #define stat_sub_compr_blocks(inode, blocks) \
3618 (atomic64_sub(blocks, &F2FS_I_SB(inode)->compr_blocks))
3619 #define stat_inc_meta_count(sbi, blkaddr) \
3621 if (blkaddr < SIT_I(sbi)->sit_base_addr) \
3622 atomic_inc(&(sbi)->meta_count[META_CP]); \
3623 else if (blkaddr < NM_I(sbi)->nat_blkaddr) \
3624 atomic_inc(&(sbi)->meta_count[META_SIT]); \
3625 else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \
3626 atomic_inc(&(sbi)->meta_count[META_NAT]); \
3627 else if (blkaddr < SM_I(sbi)->main_blkaddr) \
3628 atomic_inc(&(sbi)->meta_count[META_SSA]); \
3630 #define stat_inc_seg_type(sbi, curseg) \
3631 ((sbi)->segment_count[(curseg)->alloc_type]++)
3632 #define stat_inc_block_count(sbi, curseg) \
3633 ((sbi)->block_count[(curseg)->alloc_type]++)
3634 #define stat_inc_inplace_blocks(sbi) \
3635 (atomic_inc(&(sbi)->inplace_count))
3636 #define stat_update_max_atomic_write(inode) \
3638 int cur = F2FS_I_SB(inode)->atomic_files; \
3639 int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \
3641 atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \
3643 #define stat_inc_volatile_write(inode) \
3644 (atomic_inc(&F2FS_I_SB(inode)->vw_cnt))
3645 #define stat_dec_volatile_write(inode) \
3646 (atomic_dec(&F2FS_I_SB(inode)->vw_cnt))
3647 #define stat_update_max_volatile_write(inode) \
3649 int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \
3650 int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \
3652 atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \
3654 #define stat_inc_seg_count(sbi, type, gc_type) \
3656 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3658 if ((type) == SUM_TYPE_DATA) { \
3660 si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \
3663 si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \
3667 #define stat_inc_tot_blk_count(si, blks) \
3668 ((si)->tot_blks += (blks))
3670 #define stat_inc_data_blk_count(sbi, blks, gc_type) \
3672 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3673 stat_inc_tot_blk_count(si, blks); \
3674 si->data_blks += (blks); \
3675 si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3678 #define stat_inc_node_blk_count(sbi, blks, gc_type) \
3680 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3681 stat_inc_tot_blk_count(si, blks); \
3682 si->node_blks += (blks); \
3683 si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3686 int f2fs_build_stats(struct f2fs_sb_info
*sbi
);
3687 void f2fs_destroy_stats(struct f2fs_sb_info
*sbi
);
3688 void __init
f2fs_create_root_stats(void);
3689 void f2fs_destroy_root_stats(void);
3690 void f2fs_update_sit_info(struct f2fs_sb_info
*sbi
);
3692 #define stat_inc_cp_count(si) do { } while (0)
3693 #define stat_inc_bg_cp_count(si) do { } while (0)
3694 #define stat_inc_call_count(si) do { } while (0)
3695 #define stat_inc_bggc_count(si) do { } while (0)
3696 #define stat_io_skip_bggc_count(sbi) do { } while (0)
3697 #define stat_other_skip_bggc_count(sbi) do { } while (0)
3698 #define stat_inc_dirty_inode(sbi, type) do { } while (0)
3699 #define stat_dec_dirty_inode(sbi, type) do { } while (0)
3700 #define stat_inc_total_hit(sbi) do { } while (0)
3701 #define stat_inc_rbtree_node_hit(sbi) do { } while (0)
3702 #define stat_inc_largest_node_hit(sbi) do { } while (0)
3703 #define stat_inc_cached_node_hit(sbi) do { } while (0)
3704 #define stat_inc_inline_xattr(inode) do { } while (0)
3705 #define stat_dec_inline_xattr(inode) do { } while (0)
3706 #define stat_inc_inline_inode(inode) do { } while (0)
3707 #define stat_dec_inline_inode(inode) do { } while (0)
3708 #define stat_inc_inline_dir(inode) do { } while (0)
3709 #define stat_dec_inline_dir(inode) do { } while (0)
3710 #define stat_inc_compr_inode(inode) do { } while (0)
3711 #define stat_dec_compr_inode(inode) do { } while (0)
3712 #define stat_add_compr_blocks(inode, blocks) do { } while (0)
3713 #define stat_sub_compr_blocks(inode, blocks) do { } while (0)
3714 #define stat_inc_atomic_write(inode) do { } while (0)
3715 #define stat_dec_atomic_write(inode) do { } while (0)
3716 #define stat_update_max_atomic_write(inode) do { } while (0)
3717 #define stat_inc_volatile_write(inode) do { } while (0)
3718 #define stat_dec_volatile_write(inode) do { } while (0)
3719 #define stat_update_max_volatile_write(inode) do { } while (0)
3720 #define stat_inc_meta_count(sbi, blkaddr) do { } while (0)
3721 #define stat_inc_seg_type(sbi, curseg) do { } while (0)
3722 #define stat_inc_block_count(sbi, curseg) do { } while (0)
3723 #define stat_inc_inplace_blocks(sbi) do { } while (0)
3724 #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0)
3725 #define stat_inc_tot_blk_count(si, blks) do { } while (0)
3726 #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0)
3727 #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0)
3729 static inline int f2fs_build_stats(struct f2fs_sb_info
*sbi
) { return 0; }
3730 static inline void f2fs_destroy_stats(struct f2fs_sb_info
*sbi
) { }
3731 static inline void __init
f2fs_create_root_stats(void) { }
3732 static inline void f2fs_destroy_root_stats(void) { }
3733 static inline void f2fs_update_sit_info(struct f2fs_sb_info
*sbi
) {}
3736 extern const struct file_operations f2fs_dir_operations
;
3737 extern const struct file_operations f2fs_file_operations
;
3738 extern const struct inode_operations f2fs_file_inode_operations
;
3739 extern const struct address_space_operations f2fs_dblock_aops
;
3740 extern const struct address_space_operations f2fs_node_aops
;
3741 extern const struct address_space_operations f2fs_meta_aops
;
3742 extern const struct inode_operations f2fs_dir_inode_operations
;
3743 extern const struct inode_operations f2fs_symlink_inode_operations
;
3744 extern const struct inode_operations f2fs_encrypted_symlink_inode_operations
;
3745 extern const struct inode_operations f2fs_special_inode_operations
;
3746 extern struct kmem_cache
*f2fs_inode_entry_slab
;
3751 bool f2fs_may_inline_data(struct inode
*inode
);
3752 bool f2fs_may_inline_dentry(struct inode
*inode
);
3753 void f2fs_do_read_inline_data(struct page
*page
, struct page
*ipage
);
3754 void f2fs_truncate_inline_inode(struct inode
*inode
,
3755 struct page
*ipage
, u64 from
);
3756 int f2fs_read_inline_data(struct inode
*inode
, struct page
*page
);
3757 int f2fs_convert_inline_page(struct dnode_of_data
*dn
, struct page
*page
);
3758 int f2fs_convert_inline_inode(struct inode
*inode
);
3759 int f2fs_try_convert_inline_dir(struct inode
*dir
, struct dentry
*dentry
);
3760 int f2fs_write_inline_data(struct inode
*inode
, struct page
*page
);
3761 int f2fs_recover_inline_data(struct inode
*inode
, struct page
*npage
);
3762 struct f2fs_dir_entry
*f2fs_find_in_inline_dir(struct inode
*dir
,
3763 const struct f2fs_filename
*fname
,
3764 struct page
**res_page
);
3765 int f2fs_make_empty_inline_dir(struct inode
*inode
, struct inode
*parent
,
3766 struct page
*ipage
);
3767 int f2fs_add_inline_entry(struct inode
*dir
, const struct f2fs_filename
*fname
,
3768 struct inode
*inode
, nid_t ino
, umode_t mode
);
3769 void f2fs_delete_inline_entry(struct f2fs_dir_entry
*dentry
,
3770 struct page
*page
, struct inode
*dir
,
3771 struct inode
*inode
);
3772 bool f2fs_empty_inline_dir(struct inode
*dir
);
3773 int f2fs_read_inline_dir(struct file
*file
, struct dir_context
*ctx
,
3774 struct fscrypt_str
*fstr
);
3775 int f2fs_inline_data_fiemap(struct inode
*inode
,
3776 struct fiemap_extent_info
*fieinfo
,
3777 __u64 start
, __u64 len
);
3782 unsigned long f2fs_shrink_count(struct shrinker
*shrink
,
3783 struct shrink_control
*sc
);
3784 unsigned long f2fs_shrink_scan(struct shrinker
*shrink
,
3785 struct shrink_control
*sc
);
3786 void f2fs_join_shrinker(struct f2fs_sb_info
*sbi
);
3787 void f2fs_leave_shrinker(struct f2fs_sb_info
*sbi
);
3792 struct rb_entry
*f2fs_lookup_rb_tree(struct rb_root_cached
*root
,
3793 struct rb_entry
*cached_re
, unsigned int ofs
);
3794 struct rb_node
**f2fs_lookup_rb_tree_ext(struct f2fs_sb_info
*sbi
,
3795 struct rb_root_cached
*root
,
3796 struct rb_node
**parent
,
3797 unsigned long long key
, bool *left_most
);
3798 struct rb_node
**f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info
*sbi
,
3799 struct rb_root_cached
*root
,
3800 struct rb_node
**parent
,
3801 unsigned int ofs
, bool *leftmost
);
3802 struct rb_entry
*f2fs_lookup_rb_tree_ret(struct rb_root_cached
*root
,
3803 struct rb_entry
*cached_re
, unsigned int ofs
,
3804 struct rb_entry
**prev_entry
, struct rb_entry
**next_entry
,
3805 struct rb_node
***insert_p
, struct rb_node
**insert_parent
,
3806 bool force
, bool *leftmost
);
3807 bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info
*sbi
,
3808 struct rb_root_cached
*root
, bool check_key
);
3809 unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info
*sbi
, int nr_shrink
);
3810 void f2fs_init_extent_tree(struct inode
*inode
, struct page
*ipage
);
3811 void f2fs_drop_extent_tree(struct inode
*inode
);
3812 unsigned int f2fs_destroy_extent_node(struct inode
*inode
);
3813 void f2fs_destroy_extent_tree(struct inode
*inode
);
3814 bool f2fs_lookup_extent_cache(struct inode
*inode
, pgoff_t pgofs
,
3815 struct extent_info
*ei
);
3816 void f2fs_update_extent_cache(struct dnode_of_data
*dn
);
3817 void f2fs_update_extent_cache_range(struct dnode_of_data
*dn
,
3818 pgoff_t fofs
, block_t blkaddr
, unsigned int len
);
3819 void f2fs_init_extent_cache_info(struct f2fs_sb_info
*sbi
);
3820 int __init
f2fs_create_extent_cache(void);
3821 void f2fs_destroy_extent_cache(void);
3826 int __init
f2fs_init_sysfs(void);
3827 void f2fs_exit_sysfs(void);
3828 int f2fs_register_sysfs(struct f2fs_sb_info
*sbi
);
3829 void f2fs_unregister_sysfs(struct f2fs_sb_info
*sbi
);
3832 extern const struct fsverity_operations f2fs_verityops
;
3837 static inline bool f2fs_encrypted_file(struct inode
*inode
)
3839 return IS_ENCRYPTED(inode
) && S_ISREG(inode
->i_mode
);
3842 static inline void f2fs_set_encrypted_inode(struct inode
*inode
)
3844 #ifdef CONFIG_FS_ENCRYPTION
3845 file_set_encrypt(inode
);
3846 f2fs_set_inode_flags(inode
);
3851 * Returns true if the reads of the inode's data need to undergo some
3852 * postprocessing step, like decryption or authenticity verification.
3854 static inline bool f2fs_post_read_required(struct inode
*inode
)
3856 return f2fs_encrypted_file(inode
) || fsverity_active(inode
) ||
3857 f2fs_compressed_file(inode
);
3863 #ifdef CONFIG_F2FS_FS_COMPRESSION
3864 bool f2fs_is_compressed_page(struct page
*page
);
3865 struct page
*f2fs_compress_control_page(struct page
*page
);
3866 int f2fs_prepare_compress_overwrite(struct inode
*inode
,
3867 struct page
**pagep
, pgoff_t index
, void **fsdata
);
3868 bool f2fs_compress_write_end(struct inode
*inode
, void *fsdata
,
3869 pgoff_t index
, unsigned copied
);
3870 int f2fs_truncate_partial_cluster(struct inode
*inode
, u64 from
, bool lock
);
3871 void f2fs_compress_write_end_io(struct bio
*bio
, struct page
*page
);
3872 bool f2fs_is_compress_backend_ready(struct inode
*inode
);
3873 int f2fs_init_compress_mempool(void);
3874 void f2fs_destroy_compress_mempool(void);
3875 void f2fs_decompress_pages(struct bio
*bio
, struct page
*page
, bool verity
);
3876 bool f2fs_cluster_is_empty(struct compress_ctx
*cc
);
3877 bool f2fs_cluster_can_merge_page(struct compress_ctx
*cc
, pgoff_t index
);
3878 void f2fs_compress_ctx_add_page(struct compress_ctx
*cc
, struct page
*page
);
3879 int f2fs_write_multi_pages(struct compress_ctx
*cc
,
3881 struct writeback_control
*wbc
,
3882 enum iostat_type io_type
);
3883 int f2fs_is_compressed_cluster(struct inode
*inode
, pgoff_t index
);
3884 int f2fs_read_multi_pages(struct compress_ctx
*cc
, struct bio
**bio_ret
,
3885 unsigned nr_pages
, sector_t
*last_block_in_bio
,
3886 bool is_readahead
, bool for_write
);
3887 struct decompress_io_ctx
*f2fs_alloc_dic(struct compress_ctx
*cc
);
3888 void f2fs_free_dic(struct decompress_io_ctx
*dic
);
3889 void f2fs_decompress_end_io(struct page
**rpages
,
3890 unsigned int cluster_size
, bool err
, bool verity
);
3891 int f2fs_init_compress_ctx(struct compress_ctx
*cc
);
3892 void f2fs_destroy_compress_ctx(struct compress_ctx
*cc
);
3893 void f2fs_init_compress_info(struct f2fs_sb_info
*sbi
);
3894 int f2fs_init_page_array_cache(struct f2fs_sb_info
*sbi
);
3895 void f2fs_destroy_page_array_cache(struct f2fs_sb_info
*sbi
);
3896 int __init
f2fs_init_compress_cache(void);
3897 void f2fs_destroy_compress_cache(void);
3899 static inline bool f2fs_is_compressed_page(struct page
*page
) { return false; }
3900 static inline bool f2fs_is_compress_backend_ready(struct inode
*inode
)
3902 if (!f2fs_compressed_file(inode
))
3904 /* not support compression */
3907 static inline struct page
*f2fs_compress_control_page(struct page
*page
)
3910 return ERR_PTR(-EINVAL
);
3912 static inline int f2fs_init_compress_mempool(void) { return 0; }
3913 static inline void f2fs_destroy_compress_mempool(void) { }
3914 static inline int f2fs_init_page_array_cache(struct f2fs_sb_info
*sbi
) { return 0; }
3915 static inline void f2fs_destroy_page_array_cache(struct f2fs_sb_info
*sbi
) { }
3916 static inline int __init
f2fs_init_compress_cache(void) { return 0; }
3917 static inline void f2fs_destroy_compress_cache(void) { }
3920 static inline void set_compress_context(struct inode
*inode
)
3922 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
3924 F2FS_I(inode
)->i_compress_algorithm
=
3925 F2FS_OPTION(sbi
).compress_algorithm
;
3926 F2FS_I(inode
)->i_log_cluster_size
=
3927 F2FS_OPTION(sbi
).compress_log_size
;
3928 F2FS_I(inode
)->i_compress_flag
=
3929 F2FS_OPTION(sbi
).compress_chksum
?
3930 1 << COMPRESS_CHKSUM
: 0;
3931 F2FS_I(inode
)->i_cluster_size
=
3932 1 << F2FS_I(inode
)->i_log_cluster_size
;
3933 F2FS_I(inode
)->i_flags
|= F2FS_COMPR_FL
;
3934 set_inode_flag(inode
, FI_COMPRESSED_FILE
);
3935 stat_inc_compr_inode(inode
);
3936 f2fs_mark_inode_dirty_sync(inode
, true);
3939 static inline bool f2fs_disable_compressed_file(struct inode
*inode
)
3941 struct f2fs_inode_info
*fi
= F2FS_I(inode
);
3943 if (!f2fs_compressed_file(inode
))
3945 if (S_ISREG(inode
->i_mode
) &&
3946 (get_dirty_pages(inode
) || atomic_read(&fi
->i_compr_blocks
)))
3949 fi
->i_flags
&= ~F2FS_COMPR_FL
;
3950 stat_dec_compr_inode(inode
);
3951 clear_inode_flag(inode
, FI_COMPRESSED_FILE
);
3952 f2fs_mark_inode_dirty_sync(inode
, true);
3956 #define F2FS_FEATURE_FUNCS(name, flagname) \
3957 static inline int f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \
3959 return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \
3962 F2FS_FEATURE_FUNCS(encrypt
, ENCRYPT
);
3963 F2FS_FEATURE_FUNCS(blkzoned
, BLKZONED
);
3964 F2FS_FEATURE_FUNCS(extra_attr
, EXTRA_ATTR
);
3965 F2FS_FEATURE_FUNCS(project_quota
, PRJQUOTA
);
3966 F2FS_FEATURE_FUNCS(inode_chksum
, INODE_CHKSUM
);
3967 F2FS_FEATURE_FUNCS(flexible_inline_xattr
, FLEXIBLE_INLINE_XATTR
);
3968 F2FS_FEATURE_FUNCS(quota_ino
, QUOTA_INO
);
3969 F2FS_FEATURE_FUNCS(inode_crtime
, INODE_CRTIME
);
3970 F2FS_FEATURE_FUNCS(lost_found
, LOST_FOUND
);
3971 F2FS_FEATURE_FUNCS(verity
, VERITY
);
3972 F2FS_FEATURE_FUNCS(sb_chksum
, SB_CHKSUM
);
3973 F2FS_FEATURE_FUNCS(casefold
, CASEFOLD
);
3974 F2FS_FEATURE_FUNCS(compression
, COMPRESSION
);
3976 #ifdef CONFIG_BLK_DEV_ZONED
3977 static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info
*sbi
, int devi
,
3980 unsigned int zno
= blkaddr
>> sbi
->log_blocks_per_blkz
;
3982 return test_bit(zno
, FDEV(devi
).blkz_seq
);
3986 static inline bool f2fs_hw_should_discard(struct f2fs_sb_info
*sbi
)
3988 return f2fs_sb_has_blkzoned(sbi
);
3991 static inline bool f2fs_bdev_support_discard(struct block_device
*bdev
)
3993 return blk_queue_discard(bdev_get_queue(bdev
)) ||
3994 bdev_is_zoned(bdev
);
3997 static inline bool f2fs_hw_support_discard(struct f2fs_sb_info
*sbi
)
4001 if (!f2fs_is_multi_device(sbi
))
4002 return f2fs_bdev_support_discard(sbi
->sb
->s_bdev
);
4004 for (i
= 0; i
< sbi
->s_ndevs
; i
++)
4005 if (f2fs_bdev_support_discard(FDEV(i
).bdev
))
4010 static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info
*sbi
)
4012 return (test_opt(sbi
, DISCARD
) && f2fs_hw_support_discard(sbi
)) ||
4013 f2fs_hw_should_discard(sbi
);
4016 static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info
*sbi
)
4020 if (!f2fs_is_multi_device(sbi
))
4021 return bdev_read_only(sbi
->sb
->s_bdev
);
4023 for (i
= 0; i
< sbi
->s_ndevs
; i
++)
4024 if (bdev_read_only(FDEV(i
).bdev
))
4029 static inline bool f2fs_lfs_mode(struct f2fs_sb_info
*sbi
)
4031 return F2FS_OPTION(sbi
).fs_mode
== FS_MODE_LFS
;
4034 static inline bool f2fs_may_compress(struct inode
*inode
)
4036 if (IS_SWAPFILE(inode
) || f2fs_is_pinned_file(inode
) ||
4037 f2fs_is_atomic_file(inode
) ||
4038 f2fs_is_volatile_file(inode
))
4040 return S_ISREG(inode
->i_mode
) || S_ISDIR(inode
->i_mode
);
4043 static inline void f2fs_i_compr_blocks_update(struct inode
*inode
,
4044 u64 blocks
, bool add
)
4046 int diff
= F2FS_I(inode
)->i_cluster_size
- blocks
;
4047 struct f2fs_inode_info
*fi
= F2FS_I(inode
);
4049 /* don't update i_compr_blocks if saved blocks were released */
4050 if (!add
&& !atomic_read(&fi
->i_compr_blocks
))
4054 atomic_add(diff
, &fi
->i_compr_blocks
);
4055 stat_add_compr_blocks(inode
, diff
);
4057 atomic_sub(diff
, &fi
->i_compr_blocks
);
4058 stat_sub_compr_blocks(inode
, diff
);
4060 f2fs_mark_inode_dirty_sync(inode
, true);
4063 static inline int block_unaligned_IO(struct inode
*inode
,
4064 struct kiocb
*iocb
, struct iov_iter
*iter
)
4066 unsigned int i_blkbits
= READ_ONCE(inode
->i_blkbits
);
4067 unsigned int blocksize_mask
= (1 << i_blkbits
) - 1;
4068 loff_t offset
= iocb
->ki_pos
;
4069 unsigned long align
= offset
| iov_iter_alignment(iter
);
4071 return align
& blocksize_mask
;
4074 static inline int allow_outplace_dio(struct inode
*inode
,
4075 struct kiocb
*iocb
, struct iov_iter
*iter
)
4077 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
4078 int rw
= iov_iter_rw(iter
);
4080 return (f2fs_lfs_mode(sbi
) && (rw
== WRITE
) &&
4081 !block_unaligned_IO(inode
, iocb
, iter
));
4084 static inline bool f2fs_force_buffered_io(struct inode
*inode
,
4085 struct kiocb
*iocb
, struct iov_iter
*iter
)
4087 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
4088 int rw
= iov_iter_rw(iter
);
4090 if (f2fs_post_read_required(inode
))
4092 if (f2fs_is_multi_device(sbi
))
4095 * for blkzoned device, fallback direct IO to buffered IO, so
4096 * all IOs can be serialized by log-structured write.
4098 if (f2fs_sb_has_blkzoned(sbi
))
4100 if (f2fs_lfs_mode(sbi
) && (rw
== WRITE
)) {
4101 if (block_unaligned_IO(inode
, iocb
, iter
))
4103 if (F2FS_IO_ALIGNED(sbi
))
4106 if (is_sbi_flag_set(F2FS_I_SB(inode
), SBI_CP_DISABLED
) &&
4107 !IS_SWAPFILE(inode
))
4113 #ifdef CONFIG_F2FS_FAULT_INJECTION
4114 extern void f2fs_build_fault_attr(struct f2fs_sb_info
*sbi
, unsigned int rate
,
4117 #define f2fs_build_fault_attr(sbi, rate, type) do { } while (0)
4120 static inline bool is_journalled_quota(struct f2fs_sb_info
*sbi
)
4123 if (f2fs_sb_has_quota_ino(sbi
))
4125 if (F2FS_OPTION(sbi
).s_qf_names
[USRQUOTA
] ||
4126 F2FS_OPTION(sbi
).s_qf_names
[GRPQUOTA
] ||
4127 F2FS_OPTION(sbi
).s_qf_names
[PRJQUOTA
])
4133 #define EFSBADCRC EBADMSG /* Bad CRC detected */
4134 #define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */
4136 #endif /* _LINUX_F2FS_H */