4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com/
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
14 #include <linux/types.h>
15 #include <linux/page-flags.h>
16 #include <linux/buffer_head.h>
17 #include <linux/slab.h>
18 #include <linux/crc32.h>
19 #include <linux/magic.h>
20 #include <linux/kobject.h>
21 #include <linux/sched.h>
22 #include <linux/vmalloc.h>
23 #include <linux/bio.h>
24 #include <linux/blkdev.h>
25 #include <linux/quotaops.h>
26 #ifdef CONFIG_F2FS_FS_ENCRYPTION
27 #include <linux/fscrypt_supp.h>
29 #include <linux/fscrypt_notsupp.h>
31 #include <crypto/hash.h>
33 #ifdef CONFIG_F2FS_CHECK_FS
34 #define f2fs_bug_on(sbi, condition) BUG_ON(condition)
36 #define f2fs_bug_on(sbi, condition) \
38 if (unlikely(condition)) { \
40 set_sbi_flag(sbi, SBI_NEED_FSCK); \
45 #ifdef CONFIG_F2FS_FAULT_INJECTION
60 struct f2fs_fault_info
{
62 unsigned int inject_rate
;
63 unsigned int inject_type
;
66 extern char *fault_name
[FAULT_MAX
];
67 #define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type)))
73 #define F2FS_MOUNT_BG_GC 0x00000001
74 #define F2FS_MOUNT_DISABLE_ROLL_FORWARD 0x00000002
75 #define F2FS_MOUNT_DISCARD 0x00000004
76 #define F2FS_MOUNT_NOHEAP 0x00000008
77 #define F2FS_MOUNT_XATTR_USER 0x00000010
78 #define F2FS_MOUNT_POSIX_ACL 0x00000020
79 #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040
80 #define F2FS_MOUNT_INLINE_XATTR 0x00000080
81 #define F2FS_MOUNT_INLINE_DATA 0x00000100
82 #define F2FS_MOUNT_INLINE_DENTRY 0x00000200
83 #define F2FS_MOUNT_FLUSH_MERGE 0x00000400
84 #define F2FS_MOUNT_NOBARRIER 0x00000800
85 #define F2FS_MOUNT_FASTBOOT 0x00001000
86 #define F2FS_MOUNT_EXTENT_CACHE 0x00002000
87 #define F2FS_MOUNT_FORCE_FG_GC 0x00004000
88 #define F2FS_MOUNT_DATA_FLUSH 0x00008000
89 #define F2FS_MOUNT_FAULT_INJECTION 0x00010000
90 #define F2FS_MOUNT_ADAPTIVE 0x00020000
91 #define F2FS_MOUNT_LFS 0x00040000
92 #define F2FS_MOUNT_USRQUOTA 0x00080000
93 #define F2FS_MOUNT_GRPQUOTA 0x00100000
94 #define F2FS_MOUNT_PRJQUOTA 0x00200000
95 #define F2FS_MOUNT_QUOTA 0x00400000
97 #define clear_opt(sbi, option) ((sbi)->mount_opt.opt &= ~F2FS_MOUNT_##option)
98 #define set_opt(sbi, option) ((sbi)->mount_opt.opt |= F2FS_MOUNT_##option)
99 #define test_opt(sbi, option) ((sbi)->mount_opt.opt & F2FS_MOUNT_##option)
101 #define ver_after(a, b) (typecheck(unsigned long long, a) && \
102 typecheck(unsigned long long, b) && \
103 ((long long)((a) - (b)) > 0))
105 typedef u32 block_t
; /*
106 * should not change u32, since it is the on-disk block
107 * address format, __le32.
111 struct f2fs_mount_info
{
115 #define F2FS_FEATURE_ENCRYPT 0x0001
116 #define F2FS_FEATURE_BLKZONED 0x0002
117 #define F2FS_FEATURE_ATOMIC_WRITE 0x0004
118 #define F2FS_FEATURE_EXTRA_ATTR 0x0008
119 #define F2FS_FEATURE_PRJQUOTA 0x0010
120 #define F2FS_FEATURE_INODE_CHKSUM 0x0020
122 #define F2FS_HAS_FEATURE(sb, mask) \
123 ((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0)
124 #define F2FS_SET_FEATURE(sb, mask) \
125 (F2FS_SB(sb)->raw_super->feature |= cpu_to_le32(mask))
126 #define F2FS_CLEAR_FEATURE(sb, mask) \
127 (F2FS_SB(sb)->raw_super->feature &= ~cpu_to_le32(mask))
130 * For checkpoint manager
137 #define CP_UMOUNT 0x00000001
138 #define CP_FASTBOOT 0x00000002
139 #define CP_SYNC 0x00000004
140 #define CP_RECOVERY 0x00000008
141 #define CP_DISCARD 0x00000010
142 #define CP_TRIMMED 0x00000020
144 #define DEF_BATCHED_TRIM_SECTIONS 2048
145 #define BATCHED_TRIM_SEGMENTS(sbi) \
146 (GET_SEG_FROM_SEC(sbi, SM_I(sbi)->trim_sections))
147 #define BATCHED_TRIM_BLOCKS(sbi) \
148 (BATCHED_TRIM_SEGMENTS(sbi) << (sbi)->log_blocks_per_seg)
149 #define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi)
150 #define DISCARD_ISSUE_RATE 8
151 #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */
152 #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */
153 #define DEF_CP_INTERVAL 60 /* 60 secs */
154 #define DEF_IDLE_INTERVAL 5 /* 5 secs */
165 * For CP/NAT/SIT/SSA readahead
175 /* for the list of ino */
177 ORPHAN_INO
, /* for orphan ino list */
178 APPEND_INO
, /* for append ino list */
179 UPDATE_INO
, /* for update ino list */
180 MAX_INO_ENTRY
, /* max. list */
184 struct list_head list
; /* list head */
185 nid_t ino
; /* inode number */
188 /* for the list of inodes to be GCed */
190 struct list_head list
; /* list head */
191 struct inode
*inode
; /* vfs inode pointer */
194 /* for the bitmap indicate blocks to be discarded */
195 struct discard_entry
{
196 struct list_head list
; /* list head */
197 block_t start_blkaddr
; /* start blockaddr of current segment */
198 unsigned char discard_map
[SIT_VBLOCK_MAP_SIZE
]; /* segment discard bitmap */
201 /* default discard granularity of inner discard thread, unit: block count */
202 #define DEFAULT_DISCARD_GRANULARITY 16
204 /* max discard pend list number */
205 #define MAX_PLIST_NUM 512
206 #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \
207 (MAX_PLIST_NUM - 1) : (blk_num - 1))
209 #define P_ACTIVE 0x01
211 #define plist_issue(tag) (((tag) & P_ACTIVE) || ((tag) & P_TRIM))
219 struct discard_info
{
220 block_t lstart
; /* logical start address */
221 block_t len
; /* length */
222 block_t start
; /* actual start address in dev */
226 struct rb_node rb_node
; /* rb node located in rb-tree */
229 block_t lstart
; /* logical start address */
230 block_t len
; /* length */
231 block_t start
; /* actual start address in dev */
233 struct discard_info di
; /* discard info */
236 struct list_head list
; /* command list */
237 struct completion wait
; /* compleation */
238 struct block_device
*bdev
; /* bdev */
239 unsigned short ref
; /* reference count */
240 unsigned char state
; /* state */
241 int error
; /* bio error */
244 struct discard_cmd_control
{
245 struct task_struct
*f2fs_issue_discard
; /* discard thread */
246 struct list_head entry_list
; /* 4KB discard entry list */
247 struct list_head pend_list
[MAX_PLIST_NUM
];/* store pending entries */
248 unsigned char pend_list_tag
[MAX_PLIST_NUM
];/* tag for pending entries */
249 struct list_head wait_list
; /* store on-flushing entries */
250 wait_queue_head_t discard_wait_queue
; /* waiting queue for wake-up */
251 unsigned int discard_wake
; /* to wake up discard thread */
252 struct mutex cmd_lock
;
253 unsigned int nr_discards
; /* # of discards in the list */
254 unsigned int max_discards
; /* max. discards to be issued */
255 unsigned int discard_granularity
; /* discard granularity */
256 unsigned int undiscard_blks
; /* # of undiscard blocks */
257 atomic_t issued_discard
; /* # of issued discard */
258 atomic_t issing_discard
; /* # of issing discard */
259 atomic_t discard_cmd_cnt
; /* # of cached cmd count */
260 struct rb_root root
; /* root of discard rb-tree */
263 /* for the list of fsync inodes, used only during recovery */
264 struct fsync_inode_entry
{
265 struct list_head list
; /* list head */
266 struct inode
*inode
; /* vfs inode pointer */
267 block_t blkaddr
; /* block address locating the last fsync */
268 block_t last_dentry
; /* block address locating the last dentry */
271 #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats))
272 #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits))
274 #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne)
275 #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid)
276 #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se)
277 #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno)
279 #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl))
280 #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl))
282 static inline int update_nats_in_cursum(struct f2fs_journal
*journal
, int i
)
284 int before
= nats_in_cursum(journal
);
286 journal
->n_nats
= cpu_to_le16(before
+ i
);
290 static inline int update_sits_in_cursum(struct f2fs_journal
*journal
, int i
)
292 int before
= sits_in_cursum(journal
);
294 journal
->n_sits
= cpu_to_le16(before
+ i
);
298 static inline bool __has_cursum_space(struct f2fs_journal
*journal
,
301 if (type
== NAT_JOURNAL
)
302 return size
<= MAX_NAT_JENTRIES(journal
);
303 return size
<= MAX_SIT_JENTRIES(journal
);
309 #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS
310 #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS
311 #define F2FS_IOC_GETVERSION FS_IOC_GETVERSION
313 #define F2FS_IOCTL_MAGIC 0xf5
314 #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1)
315 #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2)
316 #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3)
317 #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4)
318 #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5)
319 #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32)
320 #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7)
321 #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \
322 struct f2fs_defragment)
323 #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \
324 struct f2fs_move_range)
325 #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \
326 struct f2fs_flush_device)
327 #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \
328 struct f2fs_gc_range)
329 #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32)
331 #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY
332 #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY
333 #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT
336 * should be same as XFS_IOC_GOINGDOWN.
337 * Flags for going down operation used by FS_IOC_GOINGDOWN
339 #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */
340 #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */
341 #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */
342 #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */
343 #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */
345 #if defined(__KERNEL__) && defined(CONFIG_COMPAT)
347 * ioctl commands in 32 bit emulation
349 #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS
350 #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS
351 #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION
354 #define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
355 #define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
357 struct f2fs_gc_range
{
363 struct f2fs_defragment
{
368 struct f2fs_move_range
{
369 u32 dst_fd
; /* destination fd */
370 u64 pos_in
; /* start position in src_fd */
371 u64 pos_out
; /* start position in dst_fd */
372 u64 len
; /* size to move */
375 struct f2fs_flush_device
{
376 u32 dev_num
; /* device number to flush */
377 u32 segments
; /* # of segments to flush */
380 /* for inline stuff */
381 #define DEF_INLINE_RESERVED_SIZE 1
382 static inline int get_extra_isize(struct inode
*inode
);
383 #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \
384 (CUR_ADDRS_PER_INODE(inode) - \
385 DEF_INLINE_RESERVED_SIZE - \
386 F2FS_INLINE_XATTR_ADDRS))
389 #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \
390 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
392 #define INLINE_DENTRY_BITMAP_SIZE(inode) ((NR_INLINE_DENTRY(inode) + \
393 BITS_PER_BYTE - 1) / BITS_PER_BYTE)
394 #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \
395 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
396 NR_INLINE_DENTRY(inode) + \
397 INLINE_DENTRY_BITMAP_SIZE(inode)))
400 * For INODE and NODE manager
402 /* for directory operations */
403 struct f2fs_dentry_ptr
{
406 struct f2fs_dir_entry
*dentry
;
407 __u8 (*filename
)[F2FS_SLOT_LEN
];
412 static inline void make_dentry_ptr_block(struct inode
*inode
,
413 struct f2fs_dentry_ptr
*d
, struct f2fs_dentry_block
*t
)
416 d
->max
= NR_DENTRY_IN_BLOCK
;
417 d
->nr_bitmap
= SIZE_OF_DENTRY_BITMAP
;
418 d
->bitmap
= &t
->dentry_bitmap
;
419 d
->dentry
= t
->dentry
;
420 d
->filename
= t
->filename
;
423 static inline void make_dentry_ptr_inline(struct inode
*inode
,
424 struct f2fs_dentry_ptr
*d
, void *t
)
426 int entry_cnt
= NR_INLINE_DENTRY(inode
);
427 int bitmap_size
= INLINE_DENTRY_BITMAP_SIZE(inode
);
428 int reserved_size
= INLINE_RESERVED_SIZE(inode
);
432 d
->nr_bitmap
= bitmap_size
;
434 d
->dentry
= t
+ bitmap_size
+ reserved_size
;
435 d
->filename
= t
+ bitmap_size
+ reserved_size
+
436 SIZE_OF_DIR_ENTRY
* entry_cnt
;
440 * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1
441 * as its node offset to distinguish from index node blocks.
442 * But some bits are used to mark the node block.
444 #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \
447 ALLOC_NODE
, /* allocate a new node page if needed */
448 LOOKUP_NODE
, /* look up a node without readahead */
450 * look up a node with readahead called
455 #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */
457 #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */
459 /* vector size for gang look-up from extent cache that consists of radix tree */
460 #define EXT_TREE_VEC_SIZE 64
462 /* for in-memory extent cache entry */
463 #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */
465 /* number of extent info in extent cache we try to shrink */
466 #define EXTENT_CACHE_SHRINK_NUMBER 128
469 struct rb_node rb_node
; /* rb node located in rb-tree */
470 unsigned int ofs
; /* start offset of the entry */
471 unsigned int len
; /* length of the entry */
475 unsigned int fofs
; /* start offset in a file */
476 unsigned int len
; /* length of the extent */
477 u32 blk
; /* start block address of the extent */
481 struct rb_node rb_node
;
488 struct extent_info ei
; /* extent info */
491 struct list_head list
; /* node in global extent list of sbi */
492 struct extent_tree
*et
; /* extent tree pointer */
496 nid_t ino
; /* inode number */
497 struct rb_root root
; /* root of extent info rb-tree */
498 struct extent_node
*cached_en
; /* recently accessed extent node */
499 struct extent_info largest
; /* largested extent info */
500 struct list_head list
; /* to be used by sbi->zombie_list */
501 rwlock_t lock
; /* protect extent info rb-tree */
502 atomic_t node_cnt
; /* # of extent node in rb-tree*/
506 * This structure is taken from ext4_map_blocks.
508 * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks().
510 #define F2FS_MAP_NEW (1 << BH_New)
511 #define F2FS_MAP_MAPPED (1 << BH_Mapped)
512 #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten)
513 #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\
516 struct f2fs_map_blocks
{
520 unsigned int m_flags
;
521 pgoff_t
*m_next_pgofs
; /* point next possible non-hole pgofs */
524 /* for flag in get_data_block */
526 F2FS_GET_BLOCK_DEFAULT
,
527 F2FS_GET_BLOCK_FIEMAP
,
529 F2FS_GET_BLOCK_PRE_DIO
,
530 F2FS_GET_BLOCK_PRE_AIO
,
534 * i_advise uses FADVISE_XXX_BIT. We can add additional hints later.
536 #define FADVISE_COLD_BIT 0x01
537 #define FADVISE_LOST_PINO_BIT 0x02
538 #define FADVISE_ENCRYPT_BIT 0x04
539 #define FADVISE_ENC_NAME_BIT 0x08
540 #define FADVISE_KEEP_SIZE_BIT 0x10
542 #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT)
543 #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
544 #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT)
545 #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
546 #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT)
547 #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT)
548 #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT)
549 #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT)
550 #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT)
551 #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT)
552 #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT)
553 #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT)
554 #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT)
556 #define DEF_DIR_LEVEL 0
558 struct f2fs_inode_info
{
559 struct inode vfs_inode
; /* serve a vfs inode */
560 unsigned long i_flags
; /* keep an inode flags for ioctl */
561 unsigned char i_advise
; /* use to give file attribute hints */
562 unsigned char i_dir_level
; /* use for dentry level for large dir */
563 unsigned int i_current_depth
; /* use only in directory structure */
564 unsigned int i_pino
; /* parent inode number */
565 umode_t i_acl_mode
; /* keep file acl mode temporarily */
567 /* Use below internally in f2fs*/
568 unsigned long flags
; /* use to pass per-file flags */
569 struct rw_semaphore i_sem
; /* protect fi info */
570 atomic_t dirty_pages
; /* # of dirty pages */
571 f2fs_hash_t chash
; /* hash value of given file name */
572 unsigned int clevel
; /* maximum level of given file name */
573 struct task_struct
*task
; /* lookup and create consistency */
574 struct task_struct
*cp_task
; /* separate cp/wb IO stats*/
575 nid_t i_xattr_nid
; /* node id that contains xattrs */
576 loff_t last_disk_size
; /* lastly written file size */
579 struct dquot
*i_dquot
[MAXQUOTAS
];
581 /* quota space reservation, managed internally by quota code */
582 qsize_t i_reserved_quota
;
584 struct list_head dirty_list
; /* dirty list for dirs and files */
585 struct list_head gdirty_list
; /* linked in global dirty list */
586 struct list_head inmem_pages
; /* inmemory pages managed by f2fs */
587 struct task_struct
*inmem_task
; /* store inmemory task */
588 struct mutex inmem_lock
; /* lock for inmemory pages */
589 struct extent_tree
*extent_tree
; /* cached extent_tree entry */
590 struct rw_semaphore dio_rwsem
[2];/* avoid racing between dio and gc */
591 struct rw_semaphore i_mmap_sem
;
592 struct rw_semaphore i_xattr_sem
; /* avoid racing between reading and changing EAs */
594 int i_extra_isize
; /* size of extra space located in i_addr */
595 kprojid_t i_projid
; /* id for project quota */
598 static inline void get_extent_info(struct extent_info
*ext
,
599 struct f2fs_extent
*i_ext
)
601 ext
->fofs
= le32_to_cpu(i_ext
->fofs
);
602 ext
->blk
= le32_to_cpu(i_ext
->blk
);
603 ext
->len
= le32_to_cpu(i_ext
->len
);
606 static inline void set_raw_extent(struct extent_info
*ext
,
607 struct f2fs_extent
*i_ext
)
609 i_ext
->fofs
= cpu_to_le32(ext
->fofs
);
610 i_ext
->blk
= cpu_to_le32(ext
->blk
);
611 i_ext
->len
= cpu_to_le32(ext
->len
);
614 static inline void set_extent_info(struct extent_info
*ei
, unsigned int fofs
,
615 u32 blk
, unsigned int len
)
622 static inline bool __is_discard_mergeable(struct discard_info
*back
,
623 struct discard_info
*front
)
625 return back
->lstart
+ back
->len
== front
->lstart
;
628 static inline bool __is_discard_back_mergeable(struct discard_info
*cur
,
629 struct discard_info
*back
)
631 return __is_discard_mergeable(back
, cur
);
634 static inline bool __is_discard_front_mergeable(struct discard_info
*cur
,
635 struct discard_info
*front
)
637 return __is_discard_mergeable(cur
, front
);
640 static inline bool __is_extent_mergeable(struct extent_info
*back
,
641 struct extent_info
*front
)
643 return (back
->fofs
+ back
->len
== front
->fofs
&&
644 back
->blk
+ back
->len
== front
->blk
);
647 static inline bool __is_back_mergeable(struct extent_info
*cur
,
648 struct extent_info
*back
)
650 return __is_extent_mergeable(back
, cur
);
653 static inline bool __is_front_mergeable(struct extent_info
*cur
,
654 struct extent_info
*front
)
656 return __is_extent_mergeable(cur
, front
);
659 extern void f2fs_mark_inode_dirty_sync(struct inode
*inode
, bool sync
);
660 static inline void __try_update_largest_extent(struct inode
*inode
,
661 struct extent_tree
*et
, struct extent_node
*en
)
663 if (en
->ei
.len
> et
->largest
.len
) {
664 et
->largest
= en
->ei
;
665 f2fs_mark_inode_dirty_sync(inode
, true);
670 * For free nid management
673 FREE_NID
, /* newly added to free nid list */
674 PREALLOC_NID
, /* it is preallocated */
678 struct f2fs_nm_info
{
679 block_t nat_blkaddr
; /* base disk address of NAT */
680 nid_t max_nid
; /* maximum possible node ids */
681 nid_t available_nids
; /* # of available node ids */
682 nid_t next_scan_nid
; /* the next nid to be scanned */
683 unsigned int ram_thresh
; /* control the memory footprint */
684 unsigned int ra_nid_pages
; /* # of nid pages to be readaheaded */
685 unsigned int dirty_nats_ratio
; /* control dirty nats ratio threshold */
687 /* NAT cache management */
688 struct radix_tree_root nat_root
;/* root of the nat entry cache */
689 struct radix_tree_root nat_set_root
;/* root of the nat set cache */
690 struct rw_semaphore nat_tree_lock
; /* protect nat_tree_lock */
691 struct list_head nat_entries
; /* cached nat entry list (clean) */
692 unsigned int nat_cnt
; /* the # of cached nat entries */
693 unsigned int dirty_nat_cnt
; /* total num of nat entries in set */
694 unsigned int nat_blocks
; /* # of nat blocks */
696 /* free node ids management */
697 struct radix_tree_root free_nid_root
;/* root of the free_nid cache */
698 struct list_head free_nid_list
; /* list for free nids excluding preallocated nids */
699 unsigned int nid_cnt
[MAX_NID_STATE
]; /* the number of free node id */
700 spinlock_t nid_list_lock
; /* protect nid lists ops */
701 struct mutex build_lock
; /* lock for build free nids */
702 unsigned char (*free_nid_bitmap
)[NAT_ENTRY_BITMAP_SIZE
];
703 unsigned char *nat_block_bitmap
;
704 unsigned short *free_nid_count
; /* free nid count of NAT block */
707 char *nat_bitmap
; /* NAT bitmap pointer */
709 unsigned int nat_bits_blocks
; /* # of nat bits blocks */
710 unsigned char *nat_bits
; /* NAT bits blocks */
711 unsigned char *full_nat_bits
; /* full NAT pages */
712 unsigned char *empty_nat_bits
; /* empty NAT pages */
713 #ifdef CONFIG_F2FS_CHECK_FS
714 char *nat_bitmap_mir
; /* NAT bitmap mirror */
716 int bitmap_size
; /* bitmap size */
720 * this structure is used as one of function parameters.
721 * all the information are dedicated to a given direct node block determined
722 * by the data offset in a file.
724 struct dnode_of_data
{
725 struct inode
*inode
; /* vfs inode pointer */
726 struct page
*inode_page
; /* its inode page, NULL is possible */
727 struct page
*node_page
; /* cached direct node page */
728 nid_t nid
; /* node id of the direct node block */
729 unsigned int ofs_in_node
; /* data offset in the node page */
730 bool inode_page_locked
; /* inode page is locked or not */
731 bool node_changed
; /* is node block changed */
732 char cur_level
; /* level of hole node page */
733 char max_level
; /* level of current page located */
734 block_t data_blkaddr
; /* block address of the node block */
737 static inline void set_new_dnode(struct dnode_of_data
*dn
, struct inode
*inode
,
738 struct page
*ipage
, struct page
*npage
, nid_t nid
)
740 memset(dn
, 0, sizeof(*dn
));
742 dn
->inode_page
= ipage
;
743 dn
->node_page
= npage
;
750 * By default, there are 6 active log areas across the whole main area.
751 * When considering hot and cold data separation to reduce cleaning overhead,
752 * we split 3 for data logs and 3 for node logs as hot, warm, and cold types,
754 * In the current design, you should not change the numbers intentionally.
755 * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6
756 * logs individually according to the underlying devices. (default: 6)
757 * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for
758 * data and 8 for node logs.
760 #define NR_CURSEG_DATA_TYPE (3)
761 #define NR_CURSEG_NODE_TYPE (3)
762 #define NR_CURSEG_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE)
765 CURSEG_HOT_DATA
= 0, /* directory entry blocks */
766 CURSEG_WARM_DATA
, /* data blocks */
767 CURSEG_COLD_DATA
, /* multimedia or GCed data blocks */
768 CURSEG_HOT_NODE
, /* direct node blocks of directory files */
769 CURSEG_WARM_NODE
, /* direct node blocks of normal files */
770 CURSEG_COLD_NODE
, /* indirect node blocks */
775 struct completion wait
;
776 struct llist_node llnode
;
780 struct flush_cmd_control
{
781 struct task_struct
*f2fs_issue_flush
; /* flush thread */
782 wait_queue_head_t flush_wait_queue
; /* waiting queue for wake-up */
783 atomic_t issued_flush
; /* # of issued flushes */
784 atomic_t issing_flush
; /* # of issing flushes */
785 struct llist_head issue_list
; /* list for command issue */
786 struct llist_node
*dispatch_list
; /* list for command dispatch */
789 struct f2fs_sm_info
{
790 struct sit_info
*sit_info
; /* whole segment information */
791 struct free_segmap_info
*free_info
; /* free segment information */
792 struct dirty_seglist_info
*dirty_info
; /* dirty segment information */
793 struct curseg_info
*curseg_array
; /* active segment information */
795 block_t seg0_blkaddr
; /* block address of 0'th segment */
796 block_t main_blkaddr
; /* start block address of main area */
797 block_t ssa_blkaddr
; /* start block address of SSA area */
799 unsigned int segment_count
; /* total # of segments */
800 unsigned int main_segments
; /* # of segments in main area */
801 unsigned int reserved_segments
; /* # of reserved segments */
802 unsigned int ovp_segments
; /* # of overprovision segments */
804 /* a threshold to reclaim prefree segments */
805 unsigned int rec_prefree_segments
;
807 /* for batched trimming */
808 unsigned int trim_sections
; /* # of sections to trim */
810 struct list_head sit_entry_set
; /* sit entry set list */
812 unsigned int ipu_policy
; /* in-place-update policy */
813 unsigned int min_ipu_util
; /* in-place-update threshold */
814 unsigned int min_fsync_blocks
; /* threshold for fsync */
815 unsigned int min_hot_blocks
; /* threshold for hot block allocation */
817 /* for flush command control */
818 struct flush_cmd_control
*fcc_info
;
820 /* for discard command control */
821 struct discard_cmd_control
*dcc_info
;
828 * COUNT_TYPE for monitoring
830 * f2fs monitors the number of several block types such as on-writeback,
831 * dirty dentry blocks, dirty node blocks, and dirty meta blocks.
833 #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA)
847 * The below are the page types of bios used in submit_bio().
848 * The available types are:
849 * DATA User data pages. It operates as async mode.
850 * NODE Node pages. It operates as async mode.
851 * META FS metadata pages such as SIT, NAT, CP.
852 * NR_PAGE_TYPE The number of page types.
853 * META_FLUSH Make sure the previous pages are written
854 * with waiting the bio's completion
855 * ... Only can be used with META.
857 #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type))
864 INMEM
, /* the below types are used by tracepoints only. */
873 HOT
= 0, /* must be zero for meta bio */
879 enum need_lock_type
{
886 APP_DIRECT_IO
, /* app direct IOs */
887 APP_BUFFERED_IO
, /* app buffered IOs */
888 APP_WRITE_IO
, /* app write IOs */
889 APP_MAPPED_IO
, /* app mapped IOs */
890 FS_DATA_IO
, /* data IOs from kworker/fsync/reclaimer */
891 FS_NODE_IO
, /* node IOs from kworker/fsync/reclaimer */
892 FS_META_IO
, /* meta IOs from kworker/reclaimer */
893 FS_GC_DATA_IO
, /* data IOs from forground gc */
894 FS_GC_NODE_IO
, /* node IOs from forground gc */
895 FS_CP_DATA_IO
, /* data IOs from checkpoint */
896 FS_CP_NODE_IO
, /* node IOs from checkpoint */
897 FS_CP_META_IO
, /* meta IOs from checkpoint */
898 FS_DISCARD
, /* discard */
902 struct f2fs_io_info
{
903 struct f2fs_sb_info
*sbi
; /* f2fs_sb_info pointer */
904 enum page_type type
; /* contains DATA/NODE/META/META_FLUSH */
905 enum temp_type temp
; /* contains HOT/WARM/COLD */
906 int op
; /* contains REQ_OP_ */
907 int op_flags
; /* req_flag_bits */
908 block_t new_blkaddr
; /* new block address to be written */
909 block_t old_blkaddr
; /* old block address before Cow */
910 struct page
*page
; /* page to be written */
911 struct page
*encrypted_page
; /* encrypted page */
912 struct list_head list
; /* serialize IOs */
913 bool submitted
; /* indicate IO submission */
914 int need_lock
; /* indicate we need to lock cp_rwsem */
915 bool in_list
; /* indicate fio is in io_list */
916 enum iostat_type io_type
; /* io type */
919 #define is_read_io(rw) ((rw) == READ)
920 struct f2fs_bio_info
{
921 struct f2fs_sb_info
*sbi
; /* f2fs superblock */
922 struct bio
*bio
; /* bios to merge */
923 sector_t last_block_in_bio
; /* last block number */
924 struct f2fs_io_info fio
; /* store buffered io info. */
925 struct rw_semaphore io_rwsem
; /* blocking op for bio */
926 spinlock_t io_lock
; /* serialize DATA/NODE IOs */
927 struct list_head io_list
; /* track fios */
930 #define FDEV(i) (sbi->devs[i])
931 #define RDEV(i) (raw_super->devs[i])
932 struct f2fs_dev_info
{
933 struct block_device
*bdev
;
934 char path
[MAX_PATH_LEN
];
935 unsigned int total_segments
;
938 #ifdef CONFIG_BLK_DEV_ZONED
939 unsigned int nr_blkz
; /* Total number of zones */
940 u8
*blkz_type
; /* Array of zones type */
945 DIR_INODE
, /* for dirty dir inode */
946 FILE_INODE
, /* for dirty regular/symlink inode */
947 DIRTY_META
, /* for all dirtied inode metadata */
951 /* for inner inode cache management */
952 struct inode_management
{
953 struct radix_tree_root ino_root
; /* ino entry array */
954 spinlock_t ino_lock
; /* for ino entry lock */
955 struct list_head ino_list
; /* inode list head */
956 unsigned long ino_num
; /* number of entries */
959 /* For s_flag in struct f2fs_sb_info */
961 SBI_IS_DIRTY
, /* dirty flag for checkpoint */
962 SBI_IS_CLOSE
, /* specify unmounting */
963 SBI_NEED_FSCK
, /* need fsck.f2fs to fix */
964 SBI_POR_DOING
, /* recovery is doing or not */
965 SBI_NEED_SB_WRITE
, /* need to recover superblock */
966 SBI_NEED_CP
, /* need to checkpoint */
975 struct f2fs_sb_info
{
976 struct super_block
*sb
; /* pointer to VFS super block */
977 struct proc_dir_entry
*s_proc
; /* proc entry */
978 struct f2fs_super_block
*raw_super
; /* raw super block pointer */
979 int valid_super_block
; /* valid super block no */
980 unsigned long s_flag
; /* flags for sbi */
982 #ifdef CONFIG_BLK_DEV_ZONED
983 unsigned int blocks_per_blkz
; /* F2FS blocks per zone */
984 unsigned int log_blocks_per_blkz
; /* log2 F2FS blocks per zone */
987 /* for node-related operations */
988 struct f2fs_nm_info
*nm_info
; /* node manager */
989 struct inode
*node_inode
; /* cache node blocks */
991 /* for segment-related operations */
992 struct f2fs_sm_info
*sm_info
; /* segment manager */
994 /* for bio operations */
995 struct f2fs_bio_info
*write_io
[NR_PAGE_TYPE
]; /* for write bios */
996 struct mutex wio_mutex
[NR_PAGE_TYPE
- 1][NR_TEMP_TYPE
];
997 /* bio ordering for NODE/DATA */
998 int write_io_size_bits
; /* Write IO size bits */
999 mempool_t
*write_io_dummy
; /* Dummy pages */
1001 /* for checkpoint */
1002 struct f2fs_checkpoint
*ckpt
; /* raw checkpoint pointer */
1003 int cur_cp_pack
; /* remain current cp pack */
1004 spinlock_t cp_lock
; /* for flag in ckpt */
1005 struct inode
*meta_inode
; /* cache meta blocks */
1006 struct mutex cp_mutex
; /* checkpoint procedure lock */
1007 struct rw_semaphore cp_rwsem
; /* blocking FS operations */
1008 struct rw_semaphore node_write
; /* locking node writes */
1009 struct rw_semaphore node_change
; /* locking node change */
1010 wait_queue_head_t cp_wait
;
1011 unsigned long last_time
[MAX_TIME
]; /* to store time in jiffies */
1012 long interval_time
[MAX_TIME
]; /* to store thresholds */
1014 struct inode_management im
[MAX_INO_ENTRY
]; /* manage inode cache */
1016 /* for orphan inode, use 0'th array */
1017 unsigned int max_orphans
; /* max orphan inodes */
1019 /* for inode management */
1020 struct list_head inode_list
[NR_INODE_TYPE
]; /* dirty inode list */
1021 spinlock_t inode_lock
[NR_INODE_TYPE
]; /* for dirty inode list lock */
1023 /* for extent tree cache */
1024 struct radix_tree_root extent_tree_root
;/* cache extent cache entries */
1025 struct mutex extent_tree_lock
; /* locking extent radix tree */
1026 struct list_head extent_list
; /* lru list for shrinker */
1027 spinlock_t extent_lock
; /* locking extent lru list */
1028 atomic_t total_ext_tree
; /* extent tree count */
1029 struct list_head zombie_list
; /* extent zombie tree list */
1030 atomic_t total_zombie_tree
; /* extent zombie tree count */
1031 atomic_t total_ext_node
; /* extent info count */
1033 /* basic filesystem units */
1034 unsigned int log_sectors_per_block
; /* log2 sectors per block */
1035 unsigned int log_blocksize
; /* log2 block size */
1036 unsigned int blocksize
; /* block size */
1037 unsigned int root_ino_num
; /* root inode number*/
1038 unsigned int node_ino_num
; /* node inode number*/
1039 unsigned int meta_ino_num
; /* meta inode number*/
1040 unsigned int log_blocks_per_seg
; /* log2 blocks per segment */
1041 unsigned int blocks_per_seg
; /* blocks per segment */
1042 unsigned int segs_per_sec
; /* segments per section */
1043 unsigned int secs_per_zone
; /* sections per zone */
1044 unsigned int total_sections
; /* total section count */
1045 unsigned int total_node_count
; /* total node block count */
1046 unsigned int total_valid_node_count
; /* valid node block count */
1047 loff_t max_file_blocks
; /* max block index of file */
1048 int active_logs
; /* # of active logs */
1049 int dir_level
; /* directory level */
1051 block_t user_block_count
; /* # of user blocks */
1052 block_t total_valid_block_count
; /* # of valid blocks */
1053 block_t discard_blks
; /* discard command candidats */
1054 block_t last_valid_block_count
; /* for recovery */
1055 block_t reserved_blocks
; /* configurable reserved blocks */
1057 u32 s_next_generation
; /* for NFS support */
1059 /* # of pages, see count_type */
1060 atomic_t nr_pages
[NR_COUNT_TYPE
];
1061 /* # of allocated blocks */
1062 struct percpu_counter alloc_valid_block_count
;
1064 /* writeback control */
1065 atomic_t wb_sync_req
; /* count # of WB_SYNC threads */
1067 /* valid inode count */
1068 struct percpu_counter total_valid_inode_count
;
1070 struct f2fs_mount_info mount_opt
; /* mount options */
1072 /* for cleaning operations */
1073 struct mutex gc_mutex
; /* mutex for GC */
1074 struct f2fs_gc_kthread
*gc_thread
; /* GC thread */
1075 unsigned int cur_victim_sec
; /* current victim section num */
1077 /* threshold for converting bg victims for fg */
1080 /* maximum # of trials to find a victim segment for SSR and GC */
1081 unsigned int max_victim_search
;
1084 * for stat information.
1085 * one is for the LFS mode, and the other is for the SSR mode.
1087 #ifdef CONFIG_F2FS_STAT_FS
1088 struct f2fs_stat_info
*stat_info
; /* FS status information */
1089 unsigned int segment_count
[2]; /* # of allocated segments */
1090 unsigned int block_count
[2]; /* # of allocated blocks */
1091 atomic_t inplace_count
; /* # of inplace update */
1092 atomic64_t total_hit_ext
; /* # of lookup extent cache */
1093 atomic64_t read_hit_rbtree
; /* # of hit rbtree extent node */
1094 atomic64_t read_hit_largest
; /* # of hit largest extent node */
1095 atomic64_t read_hit_cached
; /* # of hit cached extent node */
1096 atomic_t inline_xattr
; /* # of inline_xattr inodes */
1097 atomic_t inline_inode
; /* # of inline_data inodes */
1098 atomic_t inline_dir
; /* # of inline_dentry inodes */
1099 atomic_t aw_cnt
; /* # of atomic writes */
1100 atomic_t vw_cnt
; /* # of volatile writes */
1101 atomic_t max_aw_cnt
; /* max # of atomic writes */
1102 atomic_t max_vw_cnt
; /* max # of volatile writes */
1103 int bg_gc
; /* background gc calls */
1104 unsigned int ndirty_inode
[NR_INODE_TYPE
]; /* # of dirty inodes */
1106 spinlock_t stat_lock
; /* lock for stat operations */
1108 /* For app/fs IO statistics */
1109 spinlock_t iostat_lock
;
1110 unsigned long long write_iostat
[NR_IO_TYPE
];
1113 /* For sysfs suppport */
1114 struct kobject s_kobj
;
1115 struct completion s_kobj_unregister
;
1117 /* For shrinker support */
1118 struct list_head s_list
;
1119 int s_ndevs
; /* number of devices */
1120 struct f2fs_dev_info
*devs
; /* for device list */
1121 struct mutex umount_mutex
;
1122 unsigned int shrinker_run_no
;
1124 /* For write statistics */
1125 u64 sectors_written_start
;
1128 /* Reference to checksum algorithm driver via cryptoapi */
1129 struct crypto_shash
*s_chksum_driver
;
1131 /* Precomputed FS UUID checksum for seeding other checksums */
1132 __u32 s_chksum_seed
;
1134 /* For fault injection */
1135 #ifdef CONFIG_F2FS_FAULT_INJECTION
1136 struct f2fs_fault_info fault_info
;
1140 /* Names of quota files with journalled quota */
1141 char *s_qf_names
[MAXQUOTAS
];
1142 int s_jquota_fmt
; /* Format of quota to use */
1146 #ifdef CONFIG_F2FS_FAULT_INJECTION
1147 #define f2fs_show_injection_info(type) \
1148 printk("%sF2FS-fs : inject %s in %s of %pF\n", \
1149 KERN_INFO, fault_name[type], \
1150 __func__, __builtin_return_address(0))
1151 static inline bool time_to_inject(struct f2fs_sb_info
*sbi
, int type
)
1153 struct f2fs_fault_info
*ffi
= &sbi
->fault_info
;
1155 if (!ffi
->inject_rate
)
1158 if (!IS_FAULT_SET(ffi
, type
))
1161 atomic_inc(&ffi
->inject_ops
);
1162 if (atomic_read(&ffi
->inject_ops
) >= ffi
->inject_rate
) {
1163 atomic_set(&ffi
->inject_ops
, 0);
1170 /* For write statistics. Suppose sector size is 512 bytes,
1171 * and the return value is in kbytes. s is of struct f2fs_sb_info.
1173 #define BD_PART_WRITTEN(s) \
1174 (((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[1]) - \
1175 (s)->sectors_written_start) >> 1)
1177 static inline void f2fs_update_time(struct f2fs_sb_info
*sbi
, int type
)
1179 sbi
->last_time
[type
] = jiffies
;
1182 static inline bool f2fs_time_over(struct f2fs_sb_info
*sbi
, int type
)
1184 struct timespec ts
= {sbi
->interval_time
[type
], 0};
1185 unsigned long interval
= timespec_to_jiffies(&ts
);
1187 return time_after(jiffies
, sbi
->last_time
[type
] + interval
);
1190 static inline bool is_idle(struct f2fs_sb_info
*sbi
)
1192 struct block_device
*bdev
= sbi
->sb
->s_bdev
;
1193 struct request_queue
*q
= bdev_get_queue(bdev
);
1194 struct request_list
*rl
= &q
->root_rl
;
1196 if (rl
->count
[BLK_RW_SYNC
] || rl
->count
[BLK_RW_ASYNC
])
1199 return f2fs_time_over(sbi
, REQ_TIME
);
1205 static inline u32
f2fs_crc32(struct f2fs_sb_info
*sbi
, const void *address
,
1206 unsigned int length
)
1208 SHASH_DESC_ON_STACK(shash
, sbi
->s_chksum_driver
);
1209 u32
*ctx
= (u32
*)shash_desc_ctx(shash
);
1213 shash
->tfm
= sbi
->s_chksum_driver
;
1215 *ctx
= F2FS_SUPER_MAGIC
;
1217 err
= crypto_shash_update(shash
, address
, length
);
1225 static inline bool f2fs_crc_valid(struct f2fs_sb_info
*sbi
, __u32 blk_crc
,
1226 void *buf
, size_t buf_size
)
1228 return f2fs_crc32(sbi
, buf
, buf_size
) == blk_crc
;
1231 static inline u32
f2fs_chksum(struct f2fs_sb_info
*sbi
, u32 crc
,
1232 const void *address
, unsigned int length
)
1235 struct shash_desc shash
;
1240 BUG_ON(crypto_shash_descsize(sbi
->s_chksum_driver
) != sizeof(desc
.ctx
));
1242 desc
.shash
.tfm
= sbi
->s_chksum_driver
;
1243 desc
.shash
.flags
= 0;
1244 *(u32
*)desc
.ctx
= crc
;
1246 err
= crypto_shash_update(&desc
.shash
, address
, length
);
1249 return *(u32
*)desc
.ctx
;
1252 static inline struct f2fs_inode_info
*F2FS_I(struct inode
*inode
)
1254 return container_of(inode
, struct f2fs_inode_info
, vfs_inode
);
1257 static inline struct f2fs_sb_info
*F2FS_SB(struct super_block
*sb
)
1259 return sb
->s_fs_info
;
1262 static inline struct f2fs_sb_info
*F2FS_I_SB(struct inode
*inode
)
1264 return F2FS_SB(inode
->i_sb
);
1267 static inline struct f2fs_sb_info
*F2FS_M_SB(struct address_space
*mapping
)
1269 return F2FS_I_SB(mapping
->host
);
1272 static inline struct f2fs_sb_info
*F2FS_P_SB(struct page
*page
)
1274 return F2FS_M_SB(page
->mapping
);
1277 static inline struct f2fs_super_block
*F2FS_RAW_SUPER(struct f2fs_sb_info
*sbi
)
1279 return (struct f2fs_super_block
*)(sbi
->raw_super
);
1282 static inline struct f2fs_checkpoint
*F2FS_CKPT(struct f2fs_sb_info
*sbi
)
1284 return (struct f2fs_checkpoint
*)(sbi
->ckpt
);
1287 static inline struct f2fs_node
*F2FS_NODE(struct page
*page
)
1289 return (struct f2fs_node
*)page_address(page
);
1292 static inline struct f2fs_inode
*F2FS_INODE(struct page
*page
)
1294 return &((struct f2fs_node
*)page_address(page
))->i
;
1297 static inline struct f2fs_nm_info
*NM_I(struct f2fs_sb_info
*sbi
)
1299 return (struct f2fs_nm_info
*)(sbi
->nm_info
);
1302 static inline struct f2fs_sm_info
*SM_I(struct f2fs_sb_info
*sbi
)
1304 return (struct f2fs_sm_info
*)(sbi
->sm_info
);
1307 static inline struct sit_info
*SIT_I(struct f2fs_sb_info
*sbi
)
1309 return (struct sit_info
*)(SM_I(sbi
)->sit_info
);
1312 static inline struct free_segmap_info
*FREE_I(struct f2fs_sb_info
*sbi
)
1314 return (struct free_segmap_info
*)(SM_I(sbi
)->free_info
);
1317 static inline struct dirty_seglist_info
*DIRTY_I(struct f2fs_sb_info
*sbi
)
1319 return (struct dirty_seglist_info
*)(SM_I(sbi
)->dirty_info
);
1322 static inline struct address_space
*META_MAPPING(struct f2fs_sb_info
*sbi
)
1324 return sbi
->meta_inode
->i_mapping
;
1327 static inline struct address_space
*NODE_MAPPING(struct f2fs_sb_info
*sbi
)
1329 return sbi
->node_inode
->i_mapping
;
1332 static inline bool is_sbi_flag_set(struct f2fs_sb_info
*sbi
, unsigned int type
)
1334 return test_bit(type
, &sbi
->s_flag
);
1337 static inline void set_sbi_flag(struct f2fs_sb_info
*sbi
, unsigned int type
)
1339 set_bit(type
, &sbi
->s_flag
);
1342 static inline void clear_sbi_flag(struct f2fs_sb_info
*sbi
, unsigned int type
)
1344 clear_bit(type
, &sbi
->s_flag
);
1347 static inline unsigned long long cur_cp_version(struct f2fs_checkpoint
*cp
)
1349 return le64_to_cpu(cp
->checkpoint_ver
);
1352 static inline __u64
cur_cp_crc(struct f2fs_checkpoint
*cp
)
1354 size_t crc_offset
= le32_to_cpu(cp
->checksum_offset
);
1355 return le32_to_cpu(*((__le32
*)((unsigned char *)cp
+ crc_offset
)));
1358 static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1360 unsigned int ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1362 return ckpt_flags
& f
;
1365 static inline bool is_set_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1367 return __is_set_ckpt_flags(F2FS_CKPT(sbi
), f
);
1370 static inline void __set_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1372 unsigned int ckpt_flags
;
1374 ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1376 cp
->ckpt_flags
= cpu_to_le32(ckpt_flags
);
1379 static inline void set_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1381 unsigned long flags
;
1383 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1384 __set_ckpt_flags(F2FS_CKPT(sbi
), f
);
1385 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1388 static inline void __clear_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1390 unsigned int ckpt_flags
;
1392 ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1394 cp
->ckpt_flags
= cpu_to_le32(ckpt_flags
);
1397 static inline void clear_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1399 unsigned long flags
;
1401 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1402 __clear_ckpt_flags(F2FS_CKPT(sbi
), f
);
1403 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1406 static inline void disable_nat_bits(struct f2fs_sb_info
*sbi
, bool lock
)
1408 unsigned long flags
;
1410 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
1413 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1414 __clear_ckpt_flags(F2FS_CKPT(sbi
), CP_NAT_BITS_FLAG
);
1415 kfree(NM_I(sbi
)->nat_bits
);
1416 NM_I(sbi
)->nat_bits
= NULL
;
1418 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1421 static inline bool enabled_nat_bits(struct f2fs_sb_info
*sbi
,
1422 struct cp_control
*cpc
)
1424 bool set
= is_set_ckpt_flags(sbi
, CP_NAT_BITS_FLAG
);
1426 return (cpc
) ? (cpc
->reason
& CP_UMOUNT
) && set
: set
;
1429 static inline void f2fs_lock_op(struct f2fs_sb_info
*sbi
)
1431 down_read(&sbi
->cp_rwsem
);
1434 static inline int f2fs_trylock_op(struct f2fs_sb_info
*sbi
)
1436 return down_read_trylock(&sbi
->cp_rwsem
);
1439 static inline void f2fs_unlock_op(struct f2fs_sb_info
*sbi
)
1441 up_read(&sbi
->cp_rwsem
);
1444 static inline void f2fs_lock_all(struct f2fs_sb_info
*sbi
)
1446 down_write(&sbi
->cp_rwsem
);
1449 static inline void f2fs_unlock_all(struct f2fs_sb_info
*sbi
)
1451 up_write(&sbi
->cp_rwsem
);
1454 static inline int __get_cp_reason(struct f2fs_sb_info
*sbi
)
1456 int reason
= CP_SYNC
;
1458 if (test_opt(sbi
, FASTBOOT
))
1459 reason
= CP_FASTBOOT
;
1460 if (is_sbi_flag_set(sbi
, SBI_IS_CLOSE
))
1465 static inline bool __remain_node_summaries(int reason
)
1467 return (reason
& (CP_UMOUNT
| CP_FASTBOOT
));
1470 static inline bool __exist_node_summaries(struct f2fs_sb_info
*sbi
)
1472 return (is_set_ckpt_flags(sbi
, CP_UMOUNT_FLAG
) ||
1473 is_set_ckpt_flags(sbi
, CP_FASTBOOT_FLAG
));
1477 * Check whether the given nid is within node id range.
1479 static inline int check_nid_range(struct f2fs_sb_info
*sbi
, nid_t nid
)
1481 if (unlikely(nid
< F2FS_ROOT_INO(sbi
)))
1483 if (unlikely(nid
>= NM_I(sbi
)->max_nid
))
1489 * Check whether the inode has blocks or not
1491 static inline int F2FS_HAS_BLOCKS(struct inode
*inode
)
1493 block_t xattr_block
= F2FS_I(inode
)->i_xattr_nid
? 1 : 0;
1495 return (inode
->i_blocks
>> F2FS_LOG_SECTORS_PER_BLOCK
) > xattr_block
;
1498 static inline bool f2fs_has_xattr_block(unsigned int ofs
)
1500 return ofs
== XATTR_NODE_OFFSET
;
1503 static inline void f2fs_i_blocks_write(struct inode
*, block_t
, bool, bool);
1504 static inline int inc_valid_block_count(struct f2fs_sb_info
*sbi
,
1505 struct inode
*inode
, blkcnt_t
*count
)
1507 blkcnt_t diff
= 0, release
= 0;
1508 block_t avail_user_block_count
;
1511 ret
= dquot_reserve_block(inode
, *count
);
1515 #ifdef CONFIG_F2FS_FAULT_INJECTION
1516 if (time_to_inject(sbi
, FAULT_BLOCK
)) {
1517 f2fs_show_injection_info(FAULT_BLOCK
);
1523 * let's increase this in prior to actual block count change in order
1524 * for f2fs_sync_file to avoid data races when deciding checkpoint.
1526 percpu_counter_add(&sbi
->alloc_valid_block_count
, (*count
));
1528 spin_lock(&sbi
->stat_lock
);
1529 sbi
->total_valid_block_count
+= (block_t
)(*count
);
1530 avail_user_block_count
= sbi
->user_block_count
- sbi
->reserved_blocks
;
1531 if (unlikely(sbi
->total_valid_block_count
> avail_user_block_count
)) {
1532 diff
= sbi
->total_valid_block_count
- avail_user_block_count
;
1535 sbi
->total_valid_block_count
= avail_user_block_count
;
1537 spin_unlock(&sbi
->stat_lock
);
1538 percpu_counter_sub(&sbi
->alloc_valid_block_count
, diff
);
1542 spin_unlock(&sbi
->stat_lock
);
1545 dquot_release_reservation_block(inode
, release
);
1546 f2fs_i_blocks_write(inode
, *count
, true, true);
1550 dquot_release_reservation_block(inode
, release
);
1554 static inline void dec_valid_block_count(struct f2fs_sb_info
*sbi
,
1555 struct inode
*inode
,
1558 blkcnt_t sectors
= count
<< F2FS_LOG_SECTORS_PER_BLOCK
;
1560 spin_lock(&sbi
->stat_lock
);
1561 f2fs_bug_on(sbi
, sbi
->total_valid_block_count
< (block_t
) count
);
1562 f2fs_bug_on(sbi
, inode
->i_blocks
< sectors
);
1563 sbi
->total_valid_block_count
-= (block_t
)count
;
1564 spin_unlock(&sbi
->stat_lock
);
1565 f2fs_i_blocks_write(inode
, count
, false, true);
1568 static inline void inc_page_count(struct f2fs_sb_info
*sbi
, int count_type
)
1570 atomic_inc(&sbi
->nr_pages
[count_type
]);
1572 if (count_type
== F2FS_DIRTY_DATA
|| count_type
== F2FS_INMEM_PAGES
||
1573 count_type
== F2FS_WB_CP_DATA
|| count_type
== F2FS_WB_DATA
)
1576 set_sbi_flag(sbi
, SBI_IS_DIRTY
);
1579 static inline void inode_inc_dirty_pages(struct inode
*inode
)
1581 atomic_inc(&F2FS_I(inode
)->dirty_pages
);
1582 inc_page_count(F2FS_I_SB(inode
), S_ISDIR(inode
->i_mode
) ?
1583 F2FS_DIRTY_DENTS
: F2FS_DIRTY_DATA
);
1586 static inline void dec_page_count(struct f2fs_sb_info
*sbi
, int count_type
)
1588 atomic_dec(&sbi
->nr_pages
[count_type
]);
1591 static inline void inode_dec_dirty_pages(struct inode
*inode
)
1593 if (!S_ISDIR(inode
->i_mode
) && !S_ISREG(inode
->i_mode
) &&
1594 !S_ISLNK(inode
->i_mode
))
1597 atomic_dec(&F2FS_I(inode
)->dirty_pages
);
1598 dec_page_count(F2FS_I_SB(inode
), S_ISDIR(inode
->i_mode
) ?
1599 F2FS_DIRTY_DENTS
: F2FS_DIRTY_DATA
);
1602 static inline s64
get_pages(struct f2fs_sb_info
*sbi
, int count_type
)
1604 return atomic_read(&sbi
->nr_pages
[count_type
]);
1607 static inline int get_dirty_pages(struct inode
*inode
)
1609 return atomic_read(&F2FS_I(inode
)->dirty_pages
);
1612 static inline int get_blocktype_secs(struct f2fs_sb_info
*sbi
, int block_type
)
1614 unsigned int pages_per_sec
= sbi
->segs_per_sec
* sbi
->blocks_per_seg
;
1615 unsigned int segs
= (get_pages(sbi
, block_type
) + pages_per_sec
- 1) >>
1616 sbi
->log_blocks_per_seg
;
1618 return segs
/ sbi
->segs_per_sec
;
1621 static inline block_t
valid_user_blocks(struct f2fs_sb_info
*sbi
)
1623 return sbi
->total_valid_block_count
;
1626 static inline block_t
discard_blocks(struct f2fs_sb_info
*sbi
)
1628 return sbi
->discard_blks
;
1631 static inline unsigned long __bitmap_size(struct f2fs_sb_info
*sbi
, int flag
)
1633 struct f2fs_checkpoint
*ckpt
= F2FS_CKPT(sbi
);
1635 /* return NAT or SIT bitmap */
1636 if (flag
== NAT_BITMAP
)
1637 return le32_to_cpu(ckpt
->nat_ver_bitmap_bytesize
);
1638 else if (flag
== SIT_BITMAP
)
1639 return le32_to_cpu(ckpt
->sit_ver_bitmap_bytesize
);
1644 static inline block_t
__cp_payload(struct f2fs_sb_info
*sbi
)
1646 return le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_payload
);
1649 static inline void *__bitmap_ptr(struct f2fs_sb_info
*sbi
, int flag
)
1651 struct f2fs_checkpoint
*ckpt
= F2FS_CKPT(sbi
);
1654 if (__cp_payload(sbi
) > 0) {
1655 if (flag
== NAT_BITMAP
)
1656 return &ckpt
->sit_nat_version_bitmap
;
1658 return (unsigned char *)ckpt
+ F2FS_BLKSIZE
;
1660 offset
= (flag
== NAT_BITMAP
) ?
1661 le32_to_cpu(ckpt
->sit_ver_bitmap_bytesize
) : 0;
1662 return &ckpt
->sit_nat_version_bitmap
+ offset
;
1666 static inline block_t
__start_cp_addr(struct f2fs_sb_info
*sbi
)
1668 block_t start_addr
= le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_blkaddr
);
1670 if (sbi
->cur_cp_pack
== 2)
1671 start_addr
+= sbi
->blocks_per_seg
;
1675 static inline block_t
__start_cp_next_addr(struct f2fs_sb_info
*sbi
)
1677 block_t start_addr
= le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_blkaddr
);
1679 if (sbi
->cur_cp_pack
== 1)
1680 start_addr
+= sbi
->blocks_per_seg
;
1684 static inline void __set_cp_next_pack(struct f2fs_sb_info
*sbi
)
1686 sbi
->cur_cp_pack
= (sbi
->cur_cp_pack
== 1) ? 2 : 1;
1689 static inline block_t
__start_sum_addr(struct f2fs_sb_info
*sbi
)
1691 return le32_to_cpu(F2FS_CKPT(sbi
)->cp_pack_start_sum
);
1694 static inline int inc_valid_node_count(struct f2fs_sb_info
*sbi
,
1695 struct inode
*inode
, bool is_inode
)
1697 block_t valid_block_count
;
1698 unsigned int valid_node_count
;
1699 bool quota
= inode
&& !is_inode
;
1702 int ret
= dquot_reserve_block(inode
, 1);
1707 spin_lock(&sbi
->stat_lock
);
1709 valid_block_count
= sbi
->total_valid_block_count
+ 1;
1710 if (unlikely(valid_block_count
+ sbi
->reserved_blocks
>
1711 sbi
->user_block_count
)) {
1712 spin_unlock(&sbi
->stat_lock
);
1716 valid_node_count
= sbi
->total_valid_node_count
+ 1;
1717 if (unlikely(valid_node_count
> sbi
->total_node_count
)) {
1718 spin_unlock(&sbi
->stat_lock
);
1722 sbi
->total_valid_node_count
++;
1723 sbi
->total_valid_block_count
++;
1724 spin_unlock(&sbi
->stat_lock
);
1728 f2fs_mark_inode_dirty_sync(inode
, true);
1730 f2fs_i_blocks_write(inode
, 1, true, true);
1733 percpu_counter_inc(&sbi
->alloc_valid_block_count
);
1738 dquot_release_reservation_block(inode
, 1);
1742 static inline void dec_valid_node_count(struct f2fs_sb_info
*sbi
,
1743 struct inode
*inode
, bool is_inode
)
1745 spin_lock(&sbi
->stat_lock
);
1747 f2fs_bug_on(sbi
, !sbi
->total_valid_block_count
);
1748 f2fs_bug_on(sbi
, !sbi
->total_valid_node_count
);
1749 f2fs_bug_on(sbi
, !is_inode
&& !inode
->i_blocks
);
1751 sbi
->total_valid_node_count
--;
1752 sbi
->total_valid_block_count
--;
1754 spin_unlock(&sbi
->stat_lock
);
1757 f2fs_i_blocks_write(inode
, 1, false, true);
1760 static inline unsigned int valid_node_count(struct f2fs_sb_info
*sbi
)
1762 return sbi
->total_valid_node_count
;
1765 static inline void inc_valid_inode_count(struct f2fs_sb_info
*sbi
)
1767 percpu_counter_inc(&sbi
->total_valid_inode_count
);
1770 static inline void dec_valid_inode_count(struct f2fs_sb_info
*sbi
)
1772 percpu_counter_dec(&sbi
->total_valid_inode_count
);
1775 static inline s64
valid_inode_count(struct f2fs_sb_info
*sbi
)
1777 return percpu_counter_sum_positive(&sbi
->total_valid_inode_count
);
1780 static inline struct page
*f2fs_grab_cache_page(struct address_space
*mapping
,
1781 pgoff_t index
, bool for_write
)
1783 #ifdef CONFIG_F2FS_FAULT_INJECTION
1784 struct page
*page
= find_lock_page(mapping
, index
);
1789 if (time_to_inject(F2FS_M_SB(mapping
), FAULT_PAGE_ALLOC
)) {
1790 f2fs_show_injection_info(FAULT_PAGE_ALLOC
);
1795 return grab_cache_page(mapping
, index
);
1796 return grab_cache_page_write_begin(mapping
, index
, AOP_FLAG_NOFS
);
1799 static inline void f2fs_copy_page(struct page
*src
, struct page
*dst
)
1801 char *src_kaddr
= kmap(src
);
1802 char *dst_kaddr
= kmap(dst
);
1804 memcpy(dst_kaddr
, src_kaddr
, PAGE_SIZE
);
1809 static inline void f2fs_put_page(struct page
*page
, int unlock
)
1815 f2fs_bug_on(F2FS_P_SB(page
), !PageLocked(page
));
1821 static inline void f2fs_put_dnode(struct dnode_of_data
*dn
)
1824 f2fs_put_page(dn
->node_page
, 1);
1825 if (dn
->inode_page
&& dn
->node_page
!= dn
->inode_page
)
1826 f2fs_put_page(dn
->inode_page
, 0);
1827 dn
->node_page
= NULL
;
1828 dn
->inode_page
= NULL
;
1831 static inline struct kmem_cache
*f2fs_kmem_cache_create(const char *name
,
1834 return kmem_cache_create(name
, size
, 0, SLAB_RECLAIM_ACCOUNT
, NULL
);
1837 static inline void *f2fs_kmem_cache_alloc(struct kmem_cache
*cachep
,
1842 entry
= kmem_cache_alloc(cachep
, flags
);
1844 entry
= kmem_cache_alloc(cachep
, flags
| __GFP_NOFAIL
);
1848 static inline struct bio
*f2fs_bio_alloc(int npages
)
1852 /* No failure on bio allocation */
1853 bio
= bio_alloc(GFP_NOIO
, npages
);
1855 bio
= bio_alloc(GFP_NOIO
| __GFP_NOFAIL
, npages
);
1859 static inline void f2fs_radix_tree_insert(struct radix_tree_root
*root
,
1860 unsigned long index
, void *item
)
1862 while (radix_tree_insert(root
, index
, item
))
1866 #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino)
1868 static inline bool IS_INODE(struct page
*page
)
1870 struct f2fs_node
*p
= F2FS_NODE(page
);
1872 return RAW_IS_INODE(p
);
1875 static inline int offset_in_addr(struct f2fs_inode
*i
)
1877 return (i
->i_inline
& F2FS_EXTRA_ATTR
) ?
1878 (le16_to_cpu(i
->i_extra_isize
) / sizeof(__le32
)) : 0;
1881 static inline __le32
*blkaddr_in_node(struct f2fs_node
*node
)
1883 return RAW_IS_INODE(node
) ? node
->i
.i_addr
: node
->dn
.addr
;
1886 static inline int f2fs_has_extra_attr(struct inode
*inode
);
1887 static inline block_t
datablock_addr(struct inode
*inode
,
1888 struct page
*node_page
, unsigned int offset
)
1890 struct f2fs_node
*raw_node
;
1893 bool is_inode
= IS_INODE(node_page
);
1895 raw_node
= F2FS_NODE(node_page
);
1897 /* from GC path only */
1900 base
= offset_in_addr(&raw_node
->i
);
1901 } else if (f2fs_has_extra_attr(inode
) && is_inode
) {
1902 base
= get_extra_isize(inode
);
1905 addr_array
= blkaddr_in_node(raw_node
);
1906 return le32_to_cpu(addr_array
[base
+ offset
]);
1909 static inline int f2fs_test_bit(unsigned int nr
, char *addr
)
1914 mask
= 1 << (7 - (nr
& 0x07));
1915 return mask
& *addr
;
1918 static inline void f2fs_set_bit(unsigned int nr
, char *addr
)
1923 mask
= 1 << (7 - (nr
& 0x07));
1927 static inline void f2fs_clear_bit(unsigned int nr
, char *addr
)
1932 mask
= 1 << (7 - (nr
& 0x07));
1936 static inline int f2fs_test_and_set_bit(unsigned int nr
, char *addr
)
1942 mask
= 1 << (7 - (nr
& 0x07));
1948 static inline int f2fs_test_and_clear_bit(unsigned int nr
, char *addr
)
1954 mask
= 1 << (7 - (nr
& 0x07));
1960 static inline void f2fs_change_bit(unsigned int nr
, char *addr
)
1965 mask
= 1 << (7 - (nr
& 0x07));
1969 #define F2FS_REG_FLMASK (~(FS_DIRSYNC_FL | FS_TOPDIR_FL))
1970 #define F2FS_OTHER_FLMASK (FS_NODUMP_FL | FS_NOATIME_FL)
1971 #define F2FS_FL_INHERITED (FS_PROJINHERIT_FL)
1973 static inline __u32
f2fs_mask_flags(umode_t mode
, __u32 flags
)
1977 else if (S_ISREG(mode
))
1978 return flags
& F2FS_REG_FLMASK
;
1980 return flags
& F2FS_OTHER_FLMASK
;
1983 /* used for f2fs_inode_info->flags */
1985 FI_NEW_INODE
, /* indicate newly allocated inode */
1986 FI_DIRTY_INODE
, /* indicate inode is dirty or not */
1987 FI_AUTO_RECOVER
, /* indicate inode is recoverable */
1988 FI_DIRTY_DIR
, /* indicate directory has dirty pages */
1989 FI_INC_LINK
, /* need to increment i_nlink */
1990 FI_ACL_MODE
, /* indicate acl mode */
1991 FI_NO_ALLOC
, /* should not allocate any blocks */
1992 FI_FREE_NID
, /* free allocated nide */
1993 FI_NO_EXTENT
, /* not to use the extent cache */
1994 FI_INLINE_XATTR
, /* used for inline xattr */
1995 FI_INLINE_DATA
, /* used for inline data*/
1996 FI_INLINE_DENTRY
, /* used for inline dentry */
1997 FI_APPEND_WRITE
, /* inode has appended data */
1998 FI_UPDATE_WRITE
, /* inode has in-place-update data */
1999 FI_NEED_IPU
, /* used for ipu per file */
2000 FI_ATOMIC_FILE
, /* indicate atomic file */
2001 FI_ATOMIC_COMMIT
, /* indicate the state of atomical committing */
2002 FI_VOLATILE_FILE
, /* indicate volatile file */
2003 FI_FIRST_BLOCK_WRITTEN
, /* indicate #0 data block was written */
2004 FI_DROP_CACHE
, /* drop dirty page cache */
2005 FI_DATA_EXIST
, /* indicate data exists */
2006 FI_INLINE_DOTS
, /* indicate inline dot dentries */
2007 FI_DO_DEFRAG
, /* indicate defragment is running */
2008 FI_DIRTY_FILE
, /* indicate regular/symlink has dirty pages */
2009 FI_NO_PREALLOC
, /* indicate skipped preallocated blocks */
2010 FI_HOT_DATA
, /* indicate file is hot */
2011 FI_EXTRA_ATTR
, /* indicate file has extra attribute */
2012 FI_PROJ_INHERIT
, /* indicate file inherits projectid */
2015 static inline void __mark_inode_dirty_flag(struct inode
*inode
,
2019 case FI_INLINE_XATTR
:
2020 case FI_INLINE_DATA
:
2021 case FI_INLINE_DENTRY
:
2025 case FI_INLINE_DOTS
:
2026 f2fs_mark_inode_dirty_sync(inode
, true);
2030 static inline void set_inode_flag(struct inode
*inode
, int flag
)
2032 if (!test_bit(flag
, &F2FS_I(inode
)->flags
))
2033 set_bit(flag
, &F2FS_I(inode
)->flags
);
2034 __mark_inode_dirty_flag(inode
, flag
, true);
2037 static inline int is_inode_flag_set(struct inode
*inode
, int flag
)
2039 return test_bit(flag
, &F2FS_I(inode
)->flags
);
2042 static inline void clear_inode_flag(struct inode
*inode
, int flag
)
2044 if (test_bit(flag
, &F2FS_I(inode
)->flags
))
2045 clear_bit(flag
, &F2FS_I(inode
)->flags
);
2046 __mark_inode_dirty_flag(inode
, flag
, false);
2049 static inline void set_acl_inode(struct inode
*inode
, umode_t mode
)
2051 F2FS_I(inode
)->i_acl_mode
= mode
;
2052 set_inode_flag(inode
, FI_ACL_MODE
);
2053 f2fs_mark_inode_dirty_sync(inode
, false);
2056 static inline void f2fs_i_links_write(struct inode
*inode
, bool inc
)
2062 f2fs_mark_inode_dirty_sync(inode
, true);
2065 static inline void f2fs_i_blocks_write(struct inode
*inode
,
2066 block_t diff
, bool add
, bool claim
)
2068 bool clean
= !is_inode_flag_set(inode
, FI_DIRTY_INODE
);
2069 bool recover
= is_inode_flag_set(inode
, FI_AUTO_RECOVER
);
2071 /* add = 1, claim = 1 should be dquot_reserve_block in pair */
2074 dquot_claim_block(inode
, diff
);
2076 dquot_alloc_block_nofail(inode
, diff
);
2078 dquot_free_block(inode
, diff
);
2081 f2fs_mark_inode_dirty_sync(inode
, true);
2082 if (clean
|| recover
)
2083 set_inode_flag(inode
, FI_AUTO_RECOVER
);
2086 static inline void f2fs_i_size_write(struct inode
*inode
, loff_t i_size
)
2088 bool clean
= !is_inode_flag_set(inode
, FI_DIRTY_INODE
);
2089 bool recover
= is_inode_flag_set(inode
, FI_AUTO_RECOVER
);
2091 if (i_size_read(inode
) == i_size
)
2094 i_size_write(inode
, i_size
);
2095 f2fs_mark_inode_dirty_sync(inode
, true);
2096 if (clean
|| recover
)
2097 set_inode_flag(inode
, FI_AUTO_RECOVER
);
2100 static inline void f2fs_i_depth_write(struct inode
*inode
, unsigned int depth
)
2102 F2FS_I(inode
)->i_current_depth
= depth
;
2103 f2fs_mark_inode_dirty_sync(inode
, true);
2106 static inline void f2fs_i_xnid_write(struct inode
*inode
, nid_t xnid
)
2108 F2FS_I(inode
)->i_xattr_nid
= xnid
;
2109 f2fs_mark_inode_dirty_sync(inode
, true);
2112 static inline void f2fs_i_pino_write(struct inode
*inode
, nid_t pino
)
2114 F2FS_I(inode
)->i_pino
= pino
;
2115 f2fs_mark_inode_dirty_sync(inode
, true);
2118 static inline void get_inline_info(struct inode
*inode
, struct f2fs_inode
*ri
)
2120 struct f2fs_inode_info
*fi
= F2FS_I(inode
);
2122 if (ri
->i_inline
& F2FS_INLINE_XATTR
)
2123 set_bit(FI_INLINE_XATTR
, &fi
->flags
);
2124 if (ri
->i_inline
& F2FS_INLINE_DATA
)
2125 set_bit(FI_INLINE_DATA
, &fi
->flags
);
2126 if (ri
->i_inline
& F2FS_INLINE_DENTRY
)
2127 set_bit(FI_INLINE_DENTRY
, &fi
->flags
);
2128 if (ri
->i_inline
& F2FS_DATA_EXIST
)
2129 set_bit(FI_DATA_EXIST
, &fi
->flags
);
2130 if (ri
->i_inline
& F2FS_INLINE_DOTS
)
2131 set_bit(FI_INLINE_DOTS
, &fi
->flags
);
2132 if (ri
->i_inline
& F2FS_EXTRA_ATTR
)
2133 set_bit(FI_EXTRA_ATTR
, &fi
->flags
);
2136 static inline void set_raw_inline(struct inode
*inode
, struct f2fs_inode
*ri
)
2140 if (is_inode_flag_set(inode
, FI_INLINE_XATTR
))
2141 ri
->i_inline
|= F2FS_INLINE_XATTR
;
2142 if (is_inode_flag_set(inode
, FI_INLINE_DATA
))
2143 ri
->i_inline
|= F2FS_INLINE_DATA
;
2144 if (is_inode_flag_set(inode
, FI_INLINE_DENTRY
))
2145 ri
->i_inline
|= F2FS_INLINE_DENTRY
;
2146 if (is_inode_flag_set(inode
, FI_DATA_EXIST
))
2147 ri
->i_inline
|= F2FS_DATA_EXIST
;
2148 if (is_inode_flag_set(inode
, FI_INLINE_DOTS
))
2149 ri
->i_inline
|= F2FS_INLINE_DOTS
;
2150 if (is_inode_flag_set(inode
, FI_EXTRA_ATTR
))
2151 ri
->i_inline
|= F2FS_EXTRA_ATTR
;
2154 static inline int f2fs_has_extra_attr(struct inode
*inode
)
2156 return is_inode_flag_set(inode
, FI_EXTRA_ATTR
);
2159 static inline int f2fs_has_inline_xattr(struct inode
*inode
)
2161 return is_inode_flag_set(inode
, FI_INLINE_XATTR
);
2164 static inline unsigned int addrs_per_inode(struct inode
*inode
)
2166 if (f2fs_has_inline_xattr(inode
))
2167 return CUR_ADDRS_PER_INODE(inode
) - F2FS_INLINE_XATTR_ADDRS
;
2168 return CUR_ADDRS_PER_INODE(inode
);
2171 static inline void *inline_xattr_addr(struct page
*page
)
2173 struct f2fs_inode
*ri
= F2FS_INODE(page
);
2175 return (void *)&(ri
->i_addr
[DEF_ADDRS_PER_INODE
-
2176 F2FS_INLINE_XATTR_ADDRS
]);
2179 static inline int inline_xattr_size(struct inode
*inode
)
2181 if (f2fs_has_inline_xattr(inode
))
2182 return F2FS_INLINE_XATTR_ADDRS
<< 2;
2187 static inline int f2fs_has_inline_data(struct inode
*inode
)
2189 return is_inode_flag_set(inode
, FI_INLINE_DATA
);
2192 static inline int f2fs_exist_data(struct inode
*inode
)
2194 return is_inode_flag_set(inode
, FI_DATA_EXIST
);
2197 static inline int f2fs_has_inline_dots(struct inode
*inode
)
2199 return is_inode_flag_set(inode
, FI_INLINE_DOTS
);
2202 static inline bool f2fs_is_atomic_file(struct inode
*inode
)
2204 return is_inode_flag_set(inode
, FI_ATOMIC_FILE
);
2207 static inline bool f2fs_is_commit_atomic_write(struct inode
*inode
)
2209 return is_inode_flag_set(inode
, FI_ATOMIC_COMMIT
);
2212 static inline bool f2fs_is_volatile_file(struct inode
*inode
)
2214 return is_inode_flag_set(inode
, FI_VOLATILE_FILE
);
2217 static inline bool f2fs_is_first_block_written(struct inode
*inode
)
2219 return is_inode_flag_set(inode
, FI_FIRST_BLOCK_WRITTEN
);
2222 static inline bool f2fs_is_drop_cache(struct inode
*inode
)
2224 return is_inode_flag_set(inode
, FI_DROP_CACHE
);
2227 static inline void *inline_data_addr(struct inode
*inode
, struct page
*page
)
2229 struct f2fs_inode
*ri
= F2FS_INODE(page
);
2230 int extra_size
= get_extra_isize(inode
);
2232 return (void *)&(ri
->i_addr
[extra_size
+ DEF_INLINE_RESERVED_SIZE
]);
2235 static inline int f2fs_has_inline_dentry(struct inode
*inode
)
2237 return is_inode_flag_set(inode
, FI_INLINE_DENTRY
);
2240 static inline void f2fs_dentry_kunmap(struct inode
*dir
, struct page
*page
)
2242 if (!f2fs_has_inline_dentry(dir
))
2246 static inline int is_file(struct inode
*inode
, int type
)
2248 return F2FS_I(inode
)->i_advise
& type
;
2251 static inline void set_file(struct inode
*inode
, int type
)
2253 F2FS_I(inode
)->i_advise
|= type
;
2254 f2fs_mark_inode_dirty_sync(inode
, true);
2257 static inline void clear_file(struct inode
*inode
, int type
)
2259 F2FS_I(inode
)->i_advise
&= ~type
;
2260 f2fs_mark_inode_dirty_sync(inode
, true);
2263 static inline bool f2fs_skip_inode_update(struct inode
*inode
, int dsync
)
2266 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
2269 spin_lock(&sbi
->inode_lock
[DIRTY_META
]);
2270 ret
= list_empty(&F2FS_I(inode
)->gdirty_list
);
2271 spin_unlock(&sbi
->inode_lock
[DIRTY_META
]);
2274 if (!is_inode_flag_set(inode
, FI_AUTO_RECOVER
) ||
2275 file_keep_isize(inode
) ||
2276 i_size_read(inode
) & PAGE_MASK
)
2278 return F2FS_I(inode
)->last_disk_size
== i_size_read(inode
);
2281 static inline int f2fs_readonly(struct super_block
*sb
)
2283 return sb
->s_flags
& MS_RDONLY
;
2286 static inline bool f2fs_cp_error(struct f2fs_sb_info
*sbi
)
2288 return is_set_ckpt_flags(sbi
, CP_ERROR_FLAG
);
2291 static inline bool is_dot_dotdot(const struct qstr
*str
)
2293 if (str
->len
== 1 && str
->name
[0] == '.')
2296 if (str
->len
== 2 && str
->name
[0] == '.' && str
->name
[1] == '.')
2302 static inline bool f2fs_may_extent_tree(struct inode
*inode
)
2304 if (!test_opt(F2FS_I_SB(inode
), EXTENT_CACHE
) ||
2305 is_inode_flag_set(inode
, FI_NO_EXTENT
))
2308 return S_ISREG(inode
->i_mode
);
2311 static inline void *f2fs_kmalloc(struct f2fs_sb_info
*sbi
,
2312 size_t size
, gfp_t flags
)
2314 #ifdef CONFIG_F2FS_FAULT_INJECTION
2315 if (time_to_inject(sbi
, FAULT_KMALLOC
)) {
2316 f2fs_show_injection_info(FAULT_KMALLOC
);
2320 return kmalloc(size
, flags
);
2323 static inline int get_extra_isize(struct inode
*inode
)
2325 return F2FS_I(inode
)->i_extra_isize
/ sizeof(__le32
);
2328 #define get_inode_mode(i) \
2329 ((is_inode_flag_set(i, FI_ACL_MODE)) ? \
2330 (F2FS_I(i)->i_acl_mode) : ((i)->i_mode))
2332 #define F2FS_TOTAL_EXTRA_ATTR_SIZE \
2333 (offsetof(struct f2fs_inode, i_extra_end) - \
2334 offsetof(struct f2fs_inode, i_extra_isize)) \
2336 #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr))
2337 #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \
2338 ((offsetof(typeof(*f2fs_inode), field) + \
2339 sizeof((f2fs_inode)->field)) \
2340 <= (F2FS_OLD_ATTRIBUTE_SIZE + extra_isize)) \
2342 static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi)
2346 spin_lock(&sbi
->iostat_lock
);
2347 for (i
= 0; i
< NR_IO_TYPE
; i
++)
2348 sbi
->write_iostat
[i
] = 0;
2349 spin_unlock(&sbi
->iostat_lock
);
2352 static inline void f2fs_update_iostat(struct f2fs_sb_info
*sbi
,
2353 enum iostat_type type
, unsigned long long io_bytes
)
2355 if (!sbi
->iostat_enable
)
2357 spin_lock(&sbi
->iostat_lock
);
2358 sbi
->write_iostat
[type
] += io_bytes
;
2360 if (type
== APP_WRITE_IO
|| type
== APP_DIRECT_IO
)
2361 sbi
->write_iostat
[APP_BUFFERED_IO
] =
2362 sbi
->write_iostat
[APP_WRITE_IO
] -
2363 sbi
->write_iostat
[APP_DIRECT_IO
];
2364 spin_unlock(&sbi
->iostat_lock
);
2370 int f2fs_sync_file(struct file
*file
, loff_t start
, loff_t end
, int datasync
);
2371 void truncate_data_blocks(struct dnode_of_data
*dn
);
2372 int truncate_blocks(struct inode
*inode
, u64 from
, bool lock
);
2373 int f2fs_truncate(struct inode
*inode
);
2374 int f2fs_getattr(const struct path
*path
, struct kstat
*stat
,
2375 u32 request_mask
, unsigned int flags
);
2376 int f2fs_setattr(struct dentry
*dentry
, struct iattr
*attr
);
2377 int truncate_hole(struct inode
*inode
, pgoff_t pg_start
, pgoff_t pg_end
);
2378 int truncate_data_blocks_range(struct dnode_of_data
*dn
, int count
);
2379 long f2fs_ioctl(struct file
*filp
, unsigned int cmd
, unsigned long arg
);
2380 long f2fs_compat_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
);
2385 void f2fs_set_inode_flags(struct inode
*inode
);
2386 bool f2fs_inode_chksum_verify(struct f2fs_sb_info
*sbi
, struct page
*page
);
2387 void f2fs_inode_chksum_set(struct f2fs_sb_info
*sbi
, struct page
*page
);
2388 struct inode
*f2fs_iget(struct super_block
*sb
, unsigned long ino
);
2389 struct inode
*f2fs_iget_retry(struct super_block
*sb
, unsigned long ino
);
2390 int try_to_free_nats(struct f2fs_sb_info
*sbi
, int nr_shrink
);
2391 int update_inode(struct inode
*inode
, struct page
*node_page
);
2392 int update_inode_page(struct inode
*inode
);
2393 int f2fs_write_inode(struct inode
*inode
, struct writeback_control
*wbc
);
2394 void f2fs_evict_inode(struct inode
*inode
);
2395 void handle_failed_inode(struct inode
*inode
);
2400 struct dentry
*f2fs_get_parent(struct dentry
*child
);
2405 void set_de_type(struct f2fs_dir_entry
*de
, umode_t mode
);
2406 unsigned char get_de_type(struct f2fs_dir_entry
*de
);
2407 struct f2fs_dir_entry
*find_target_dentry(struct fscrypt_name
*fname
,
2408 f2fs_hash_t namehash
, int *max_slots
,
2409 struct f2fs_dentry_ptr
*d
);
2410 int f2fs_fill_dentries(struct dir_context
*ctx
, struct f2fs_dentry_ptr
*d
,
2411 unsigned int start_pos
, struct fscrypt_str
*fstr
);
2412 void do_make_empty_dir(struct inode
*inode
, struct inode
*parent
,
2413 struct f2fs_dentry_ptr
*d
);
2414 struct page
*init_inode_metadata(struct inode
*inode
, struct inode
*dir
,
2415 const struct qstr
*new_name
,
2416 const struct qstr
*orig_name
, struct page
*dpage
);
2417 void update_parent_metadata(struct inode
*dir
, struct inode
*inode
,
2418 unsigned int current_depth
);
2419 int room_for_filename(const void *bitmap
, int slots
, int max_slots
);
2420 void f2fs_drop_nlink(struct inode
*dir
, struct inode
*inode
);
2421 struct f2fs_dir_entry
*__f2fs_find_entry(struct inode
*dir
,
2422 struct fscrypt_name
*fname
, struct page
**res_page
);
2423 struct f2fs_dir_entry
*f2fs_find_entry(struct inode
*dir
,
2424 const struct qstr
*child
, struct page
**res_page
);
2425 struct f2fs_dir_entry
*f2fs_parent_dir(struct inode
*dir
, struct page
**p
);
2426 ino_t
f2fs_inode_by_name(struct inode
*dir
, const struct qstr
*qstr
,
2427 struct page
**page
);
2428 void f2fs_set_link(struct inode
*dir
, struct f2fs_dir_entry
*de
,
2429 struct page
*page
, struct inode
*inode
);
2430 void f2fs_update_dentry(nid_t ino
, umode_t mode
, struct f2fs_dentry_ptr
*d
,
2431 const struct qstr
*name
, f2fs_hash_t name_hash
,
2432 unsigned int bit_pos
);
2433 int f2fs_add_regular_entry(struct inode
*dir
, const struct qstr
*new_name
,
2434 const struct qstr
*orig_name
,
2435 struct inode
*inode
, nid_t ino
, umode_t mode
);
2436 int __f2fs_do_add_link(struct inode
*dir
, struct fscrypt_name
*fname
,
2437 struct inode
*inode
, nid_t ino
, umode_t mode
);
2438 int __f2fs_add_link(struct inode
*dir
, const struct qstr
*name
,
2439 struct inode
*inode
, nid_t ino
, umode_t mode
);
2440 void f2fs_delete_entry(struct f2fs_dir_entry
*dentry
, struct page
*page
,
2441 struct inode
*dir
, struct inode
*inode
);
2442 int f2fs_do_tmpfile(struct inode
*inode
, struct inode
*dir
);
2443 bool f2fs_empty_dir(struct inode
*dir
);
2445 static inline int f2fs_add_link(struct dentry
*dentry
, struct inode
*inode
)
2447 return __f2fs_add_link(d_inode(dentry
->d_parent
), &dentry
->d_name
,
2448 inode
, inode
->i_ino
, inode
->i_mode
);
2454 int f2fs_inode_dirtied(struct inode
*inode
, bool sync
);
2455 void f2fs_inode_synced(struct inode
*inode
);
2456 void f2fs_enable_quota_files(struct f2fs_sb_info
*sbi
);
2457 void f2fs_quota_off_umount(struct super_block
*sb
);
2458 int f2fs_commit_super(struct f2fs_sb_info
*sbi
, bool recover
);
2459 int f2fs_sync_fs(struct super_block
*sb
, int sync
);
2460 extern __printf(3, 4)
2461 void f2fs_msg(struct super_block
*sb
, const char *level
, const char *fmt
, ...);
2462 int sanity_check_ckpt(struct f2fs_sb_info
*sbi
);
2467 f2fs_hash_t
f2fs_dentry_hash(const struct qstr
*name_info
,
2468 struct fscrypt_name
*fname
);
2473 struct dnode_of_data
;
2476 bool available_free_memory(struct f2fs_sb_info
*sbi
, int type
);
2477 int need_dentry_mark(struct f2fs_sb_info
*sbi
, nid_t nid
);
2478 bool is_checkpointed_node(struct f2fs_sb_info
*sbi
, nid_t nid
);
2479 bool need_inode_block_update(struct f2fs_sb_info
*sbi
, nid_t ino
);
2480 void get_node_info(struct f2fs_sb_info
*sbi
, nid_t nid
, struct node_info
*ni
);
2481 pgoff_t
get_next_page_offset(struct dnode_of_data
*dn
, pgoff_t pgofs
);
2482 int get_dnode_of_data(struct dnode_of_data
*dn
, pgoff_t index
, int mode
);
2483 int truncate_inode_blocks(struct inode
*inode
, pgoff_t from
);
2484 int truncate_xattr_node(struct inode
*inode
, struct page
*page
);
2485 int wait_on_node_pages_writeback(struct f2fs_sb_info
*sbi
, nid_t ino
);
2486 int remove_inode_page(struct inode
*inode
);
2487 struct page
*new_inode_page(struct inode
*inode
);
2488 struct page
*new_node_page(struct dnode_of_data
*dn
, unsigned int ofs
);
2489 void ra_node_page(struct f2fs_sb_info
*sbi
, nid_t nid
);
2490 struct page
*get_node_page(struct f2fs_sb_info
*sbi
, pgoff_t nid
);
2491 struct page
*get_node_page_ra(struct page
*parent
, int start
);
2492 void move_node_page(struct page
*node_page
, int gc_type
);
2493 int fsync_node_pages(struct f2fs_sb_info
*sbi
, struct inode
*inode
,
2494 struct writeback_control
*wbc
, bool atomic
);
2495 int sync_node_pages(struct f2fs_sb_info
*sbi
, struct writeback_control
*wbc
,
2496 bool do_balance
, enum iostat_type io_type
);
2497 void build_free_nids(struct f2fs_sb_info
*sbi
, bool sync
, bool mount
);
2498 bool alloc_nid(struct f2fs_sb_info
*sbi
, nid_t
*nid
);
2499 void alloc_nid_done(struct f2fs_sb_info
*sbi
, nid_t nid
);
2500 void alloc_nid_failed(struct f2fs_sb_info
*sbi
, nid_t nid
);
2501 int try_to_free_nids(struct f2fs_sb_info
*sbi
, int nr_shrink
);
2502 void recover_inline_xattr(struct inode
*inode
, struct page
*page
);
2503 int recover_xattr_data(struct inode
*inode
, struct page
*page
,
2505 int recover_inode_page(struct f2fs_sb_info
*sbi
, struct page
*page
);
2506 int restore_node_summary(struct f2fs_sb_info
*sbi
,
2507 unsigned int segno
, struct f2fs_summary_block
*sum
);
2508 void flush_nat_entries(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
2509 int build_node_manager(struct f2fs_sb_info
*sbi
);
2510 void destroy_node_manager(struct f2fs_sb_info
*sbi
);
2511 int __init
create_node_manager_caches(void);
2512 void destroy_node_manager_caches(void);
2517 bool need_SSR(struct f2fs_sb_info
*sbi
);
2518 void register_inmem_page(struct inode
*inode
, struct page
*page
);
2519 void drop_inmem_pages(struct inode
*inode
);
2520 void drop_inmem_page(struct inode
*inode
, struct page
*page
);
2521 int commit_inmem_pages(struct inode
*inode
);
2522 void f2fs_balance_fs(struct f2fs_sb_info
*sbi
, bool need
);
2523 void f2fs_balance_fs_bg(struct f2fs_sb_info
*sbi
);
2524 int f2fs_issue_flush(struct f2fs_sb_info
*sbi
);
2525 int create_flush_cmd_control(struct f2fs_sb_info
*sbi
);
2526 void destroy_flush_cmd_control(struct f2fs_sb_info
*sbi
, bool free
);
2527 void invalidate_blocks(struct f2fs_sb_info
*sbi
, block_t addr
);
2528 bool is_checkpointed_data(struct f2fs_sb_info
*sbi
, block_t blkaddr
);
2529 void refresh_sit_entry(struct f2fs_sb_info
*sbi
, block_t old
, block_t
new);
2530 void stop_discard_thread(struct f2fs_sb_info
*sbi
);
2531 void f2fs_wait_discard_bios(struct f2fs_sb_info
*sbi
, bool umount
);
2532 void clear_prefree_segments(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
2533 void release_discard_addrs(struct f2fs_sb_info
*sbi
);
2534 int npages_for_summary_flush(struct f2fs_sb_info
*sbi
, bool for_ra
);
2535 void allocate_new_segments(struct f2fs_sb_info
*sbi
);
2536 int f2fs_trim_fs(struct f2fs_sb_info
*sbi
, struct fstrim_range
*range
);
2537 bool exist_trim_candidates(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
2538 struct page
*get_sum_page(struct f2fs_sb_info
*sbi
, unsigned int segno
);
2539 void update_meta_page(struct f2fs_sb_info
*sbi
, void *src
, block_t blk_addr
);
2540 void write_meta_page(struct f2fs_sb_info
*sbi
, struct page
*page
,
2541 enum iostat_type io_type
);
2542 void write_node_page(unsigned int nid
, struct f2fs_io_info
*fio
);
2543 void write_data_page(struct dnode_of_data
*dn
, struct f2fs_io_info
*fio
);
2544 int rewrite_data_page(struct f2fs_io_info
*fio
);
2545 void __f2fs_replace_block(struct f2fs_sb_info
*sbi
, struct f2fs_summary
*sum
,
2546 block_t old_blkaddr
, block_t new_blkaddr
,
2547 bool recover_curseg
, bool recover_newaddr
);
2548 void f2fs_replace_block(struct f2fs_sb_info
*sbi
, struct dnode_of_data
*dn
,
2549 block_t old_addr
, block_t new_addr
,
2550 unsigned char version
, bool recover_curseg
,
2551 bool recover_newaddr
);
2552 void allocate_data_block(struct f2fs_sb_info
*sbi
, struct page
*page
,
2553 block_t old_blkaddr
, block_t
*new_blkaddr
,
2554 struct f2fs_summary
*sum
, int type
,
2555 struct f2fs_io_info
*fio
, bool add_list
);
2556 void f2fs_wait_on_page_writeback(struct page
*page
,
2557 enum page_type type
, bool ordered
);
2558 void f2fs_wait_on_block_writeback(struct f2fs_sb_info
*sbi
, block_t blkaddr
);
2559 void write_data_summaries(struct f2fs_sb_info
*sbi
, block_t start_blk
);
2560 void write_node_summaries(struct f2fs_sb_info
*sbi
, block_t start_blk
);
2561 int lookup_journal_in_cursum(struct f2fs_journal
*journal
, int type
,
2562 unsigned int val
, int alloc
);
2563 void flush_sit_entries(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
2564 int build_segment_manager(struct f2fs_sb_info
*sbi
);
2565 void destroy_segment_manager(struct f2fs_sb_info
*sbi
);
2566 int __init
create_segment_manager_caches(void);
2567 void destroy_segment_manager_caches(void);
2572 void f2fs_stop_checkpoint(struct f2fs_sb_info
*sbi
, bool end_io
);
2573 struct page
*grab_meta_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
2574 struct page
*get_meta_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
2575 struct page
*get_tmp_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
2576 bool is_valid_blkaddr(struct f2fs_sb_info
*sbi
, block_t blkaddr
, int type
);
2577 int ra_meta_pages(struct f2fs_sb_info
*sbi
, block_t start
, int nrpages
,
2578 int type
, bool sync
);
2579 void ra_meta_pages_cond(struct f2fs_sb_info
*sbi
, pgoff_t index
);
2580 long sync_meta_pages(struct f2fs_sb_info
*sbi
, enum page_type type
,
2581 long nr_to_write
, enum iostat_type io_type
);
2582 void add_ino_entry(struct f2fs_sb_info
*sbi
, nid_t ino
, int type
);
2583 void remove_ino_entry(struct f2fs_sb_info
*sbi
, nid_t ino
, int type
);
2584 void release_ino_entry(struct f2fs_sb_info
*sbi
, bool all
);
2585 bool exist_written_data(struct f2fs_sb_info
*sbi
, nid_t ino
, int mode
);
2586 int f2fs_sync_inode_meta(struct f2fs_sb_info
*sbi
);
2587 int acquire_orphan_inode(struct f2fs_sb_info
*sbi
);
2588 void release_orphan_inode(struct f2fs_sb_info
*sbi
);
2589 void add_orphan_inode(struct inode
*inode
);
2590 void remove_orphan_inode(struct f2fs_sb_info
*sbi
, nid_t ino
);
2591 int recover_orphan_inodes(struct f2fs_sb_info
*sbi
);
2592 int get_valid_checkpoint(struct f2fs_sb_info
*sbi
);
2593 void update_dirty_page(struct inode
*inode
, struct page
*page
);
2594 void remove_dirty_inode(struct inode
*inode
);
2595 int sync_dirty_inodes(struct f2fs_sb_info
*sbi
, enum inode_type type
);
2596 int write_checkpoint(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
2597 void init_ino_entry_info(struct f2fs_sb_info
*sbi
);
2598 int __init
create_checkpoint_caches(void);
2599 void destroy_checkpoint_caches(void);
2604 void f2fs_submit_merged_write(struct f2fs_sb_info
*sbi
, enum page_type type
);
2605 void f2fs_submit_merged_write_cond(struct f2fs_sb_info
*sbi
,
2606 struct inode
*inode
, nid_t ino
, pgoff_t idx
,
2607 enum page_type type
);
2608 void f2fs_flush_merged_writes(struct f2fs_sb_info
*sbi
);
2609 int f2fs_submit_page_bio(struct f2fs_io_info
*fio
);
2610 int f2fs_submit_page_write(struct f2fs_io_info
*fio
);
2611 struct block_device
*f2fs_target_device(struct f2fs_sb_info
*sbi
,
2612 block_t blk_addr
, struct bio
*bio
);
2613 int f2fs_target_device_index(struct f2fs_sb_info
*sbi
, block_t blkaddr
);
2614 void set_data_blkaddr(struct dnode_of_data
*dn
);
2615 void f2fs_update_data_blkaddr(struct dnode_of_data
*dn
, block_t blkaddr
);
2616 int reserve_new_blocks(struct dnode_of_data
*dn
, blkcnt_t count
);
2617 int reserve_new_block(struct dnode_of_data
*dn
);
2618 int f2fs_get_block(struct dnode_of_data
*dn
, pgoff_t index
);
2619 int f2fs_preallocate_blocks(struct kiocb
*iocb
, struct iov_iter
*from
);
2620 int f2fs_reserve_block(struct dnode_of_data
*dn
, pgoff_t index
);
2621 struct page
*get_read_data_page(struct inode
*inode
, pgoff_t index
,
2622 int op_flags
, bool for_write
);
2623 struct page
*find_data_page(struct inode
*inode
, pgoff_t index
);
2624 struct page
*get_lock_data_page(struct inode
*inode
, pgoff_t index
,
2626 struct page
*get_new_data_page(struct inode
*inode
,
2627 struct page
*ipage
, pgoff_t index
, bool new_i_size
);
2628 int do_write_data_page(struct f2fs_io_info
*fio
);
2629 int f2fs_map_blocks(struct inode
*inode
, struct f2fs_map_blocks
*map
,
2630 int create
, int flag
);
2631 int f2fs_fiemap(struct inode
*inode
, struct fiemap_extent_info
*fieinfo
,
2632 u64 start
, u64 len
);
2633 void f2fs_set_page_dirty_nobuffers(struct page
*page
);
2634 int __f2fs_write_data_pages(struct address_space
*mapping
,
2635 struct writeback_control
*wbc
,
2636 enum iostat_type io_type
);
2637 void f2fs_invalidate_page(struct page
*page
, unsigned int offset
,
2638 unsigned int length
);
2639 int f2fs_release_page(struct page
*page
, gfp_t wait
);
2640 #ifdef CONFIG_MIGRATION
2641 int f2fs_migrate_page(struct address_space
*mapping
, struct page
*newpage
,
2642 struct page
*page
, enum migrate_mode mode
);
2648 int start_gc_thread(struct f2fs_sb_info
*sbi
);
2649 void stop_gc_thread(struct f2fs_sb_info
*sbi
);
2650 block_t
start_bidx_of_node(unsigned int node_ofs
, struct inode
*inode
);
2651 int f2fs_gc(struct f2fs_sb_info
*sbi
, bool sync
, bool background
,
2652 unsigned int segno
);
2653 void build_gc_manager(struct f2fs_sb_info
*sbi
);
2658 int recover_fsync_data(struct f2fs_sb_info
*sbi
, bool check_only
);
2659 bool space_for_roll_forward(struct f2fs_sb_info
*sbi
);
2664 #ifdef CONFIG_F2FS_STAT_FS
2665 struct f2fs_stat_info
{
2666 struct list_head stat_list
;
2667 struct f2fs_sb_info
*sbi
;
2668 int all_area_segs
, sit_area_segs
, nat_area_segs
, ssa_area_segs
;
2669 int main_area_segs
, main_area_sections
, main_area_zones
;
2670 unsigned long long hit_largest
, hit_cached
, hit_rbtree
;
2671 unsigned long long hit_total
, total_ext
;
2672 int ext_tree
, zombie_tree
, ext_node
;
2673 int ndirty_node
, ndirty_dent
, ndirty_meta
, ndirty_data
, ndirty_imeta
;
2675 unsigned int ndirty_dirs
, ndirty_files
, ndirty_all
;
2676 int nats
, dirty_nats
, sits
, dirty_sits
;
2677 int free_nids
, avail_nids
, alloc_nids
;
2678 int total_count
, utilization
;
2679 int bg_gc
, nr_wb_cp_data
, nr_wb_data
;
2680 int nr_flushing
, nr_flushed
, flush_list_empty
;
2681 int nr_discarding
, nr_discarded
;
2683 unsigned int undiscard_blks
;
2684 int inline_xattr
, inline_inode
, inline_dir
, append
, update
, orphans
;
2685 int aw_cnt
, max_aw_cnt
, vw_cnt
, max_vw_cnt
;
2686 unsigned int valid_count
, valid_node_count
, valid_inode_count
, discard_blks
;
2687 unsigned int bimodal
, avg_vblocks
;
2688 int util_free
, util_valid
, util_invalid
;
2689 int rsvd_segs
, overp_segs
;
2690 int dirty_count
, node_pages
, meta_pages
;
2691 int prefree_count
, call_count
, cp_count
, bg_cp_count
;
2692 int tot_segs
, node_segs
, data_segs
, free_segs
, free_secs
;
2693 int bg_node_segs
, bg_data_segs
;
2694 int tot_blks
, data_blks
, node_blks
;
2695 int bg_data_blks
, bg_node_blks
;
2696 int curseg
[NR_CURSEG_TYPE
];
2697 int cursec
[NR_CURSEG_TYPE
];
2698 int curzone
[NR_CURSEG_TYPE
];
2700 unsigned int segment_count
[2];
2701 unsigned int block_count
[2];
2702 unsigned int inplace_count
;
2703 unsigned long long base_mem
, cache_mem
, page_mem
;
2706 static inline struct f2fs_stat_info
*F2FS_STAT(struct f2fs_sb_info
*sbi
)
2708 return (struct f2fs_stat_info
*)sbi
->stat_info
;
2711 #define stat_inc_cp_count(si) ((si)->cp_count++)
2712 #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++)
2713 #define stat_inc_call_count(si) ((si)->call_count++)
2714 #define stat_inc_bggc_count(sbi) ((sbi)->bg_gc++)
2715 #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++)
2716 #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--)
2717 #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext))
2718 #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree))
2719 #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest))
2720 #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached))
2721 #define stat_inc_inline_xattr(inode) \
2723 if (f2fs_has_inline_xattr(inode)) \
2724 (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \
2726 #define stat_dec_inline_xattr(inode) \
2728 if (f2fs_has_inline_xattr(inode)) \
2729 (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \
2731 #define stat_inc_inline_inode(inode) \
2733 if (f2fs_has_inline_data(inode)) \
2734 (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \
2736 #define stat_dec_inline_inode(inode) \
2738 if (f2fs_has_inline_data(inode)) \
2739 (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \
2741 #define stat_inc_inline_dir(inode) \
2743 if (f2fs_has_inline_dentry(inode)) \
2744 (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \
2746 #define stat_dec_inline_dir(inode) \
2748 if (f2fs_has_inline_dentry(inode)) \
2749 (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \
2751 #define stat_inc_seg_type(sbi, curseg) \
2752 ((sbi)->segment_count[(curseg)->alloc_type]++)
2753 #define stat_inc_block_count(sbi, curseg) \
2754 ((sbi)->block_count[(curseg)->alloc_type]++)
2755 #define stat_inc_inplace_blocks(sbi) \
2756 (atomic_inc(&(sbi)->inplace_count))
2757 #define stat_inc_atomic_write(inode) \
2758 (atomic_inc(&F2FS_I_SB(inode)->aw_cnt))
2759 #define stat_dec_atomic_write(inode) \
2760 (atomic_dec(&F2FS_I_SB(inode)->aw_cnt))
2761 #define stat_update_max_atomic_write(inode) \
2763 int cur = atomic_read(&F2FS_I_SB(inode)->aw_cnt); \
2764 int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \
2766 atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \
2768 #define stat_inc_volatile_write(inode) \
2769 (atomic_inc(&F2FS_I_SB(inode)->vw_cnt))
2770 #define stat_dec_volatile_write(inode) \
2771 (atomic_dec(&F2FS_I_SB(inode)->vw_cnt))
2772 #define stat_update_max_volatile_write(inode) \
2774 int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \
2775 int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \
2777 atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \
2779 #define stat_inc_seg_count(sbi, type, gc_type) \
2781 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
2783 if ((type) == SUM_TYPE_DATA) { \
2785 si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \
2788 si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \
2792 #define stat_inc_tot_blk_count(si, blks) \
2793 ((si)->tot_blks += (blks))
2795 #define stat_inc_data_blk_count(sbi, blks, gc_type) \
2797 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
2798 stat_inc_tot_blk_count(si, blks); \
2799 si->data_blks += (blks); \
2800 si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
2803 #define stat_inc_node_blk_count(sbi, blks, gc_type) \
2805 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
2806 stat_inc_tot_blk_count(si, blks); \
2807 si->node_blks += (blks); \
2808 si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
2811 int f2fs_build_stats(struct f2fs_sb_info
*sbi
);
2812 void f2fs_destroy_stats(struct f2fs_sb_info
*sbi
);
2813 int __init
f2fs_create_root_stats(void);
2814 void f2fs_destroy_root_stats(void);
2816 #define stat_inc_cp_count(si) do { } while (0)
2817 #define stat_inc_bg_cp_count(si) do { } while (0)
2818 #define stat_inc_call_count(si) do { } while (0)
2819 #define stat_inc_bggc_count(si) do { } while (0)
2820 #define stat_inc_dirty_inode(sbi, type) do { } while (0)
2821 #define stat_dec_dirty_inode(sbi, type) do { } while (0)
2822 #define stat_inc_total_hit(sb) do { } while (0)
2823 #define stat_inc_rbtree_node_hit(sb) do { } while (0)
2824 #define stat_inc_largest_node_hit(sbi) do { } while (0)
2825 #define stat_inc_cached_node_hit(sbi) do { } while (0)
2826 #define stat_inc_inline_xattr(inode) do { } while (0)
2827 #define stat_dec_inline_xattr(inode) do { } while (0)
2828 #define stat_inc_inline_inode(inode) do { } while (0)
2829 #define stat_dec_inline_inode(inode) do { } while (0)
2830 #define stat_inc_inline_dir(inode) do { } while (0)
2831 #define stat_dec_inline_dir(inode) do { } while (0)
2832 #define stat_inc_atomic_write(inode) do { } while (0)
2833 #define stat_dec_atomic_write(inode) do { } while (0)
2834 #define stat_update_max_atomic_write(inode) do { } while (0)
2835 #define stat_inc_volatile_write(inode) do { } while (0)
2836 #define stat_dec_volatile_write(inode) do { } while (0)
2837 #define stat_update_max_volatile_write(inode) do { } while (0)
2838 #define stat_inc_seg_type(sbi, curseg) do { } while (0)
2839 #define stat_inc_block_count(sbi, curseg) do { } while (0)
2840 #define stat_inc_inplace_blocks(sbi) do { } while (0)
2841 #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0)
2842 #define stat_inc_tot_blk_count(si, blks) do { } while (0)
2843 #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0)
2844 #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0)
2846 static inline int f2fs_build_stats(struct f2fs_sb_info
*sbi
) { return 0; }
2847 static inline void f2fs_destroy_stats(struct f2fs_sb_info
*sbi
) { }
2848 static inline int __init
f2fs_create_root_stats(void) { return 0; }
2849 static inline void f2fs_destroy_root_stats(void) { }
2852 extern const struct file_operations f2fs_dir_operations
;
2853 extern const struct file_operations f2fs_file_operations
;
2854 extern const struct inode_operations f2fs_file_inode_operations
;
2855 extern const struct address_space_operations f2fs_dblock_aops
;
2856 extern const struct address_space_operations f2fs_node_aops
;
2857 extern const struct address_space_operations f2fs_meta_aops
;
2858 extern const struct inode_operations f2fs_dir_inode_operations
;
2859 extern const struct inode_operations f2fs_symlink_inode_operations
;
2860 extern const struct inode_operations f2fs_encrypted_symlink_inode_operations
;
2861 extern const struct inode_operations f2fs_special_inode_operations
;
2862 extern struct kmem_cache
*inode_entry_slab
;
2867 bool f2fs_may_inline_data(struct inode
*inode
);
2868 bool f2fs_may_inline_dentry(struct inode
*inode
);
2869 void read_inline_data(struct page
*page
, struct page
*ipage
);
2870 void truncate_inline_inode(struct inode
*inode
, struct page
*ipage
, u64 from
);
2871 int f2fs_read_inline_data(struct inode
*inode
, struct page
*page
);
2872 int f2fs_convert_inline_page(struct dnode_of_data
*dn
, struct page
*page
);
2873 int f2fs_convert_inline_inode(struct inode
*inode
);
2874 int f2fs_write_inline_data(struct inode
*inode
, struct page
*page
);
2875 bool recover_inline_data(struct inode
*inode
, struct page
*npage
);
2876 struct f2fs_dir_entry
*find_in_inline_dir(struct inode
*dir
,
2877 struct fscrypt_name
*fname
, struct page
**res_page
);
2878 int make_empty_inline_dir(struct inode
*inode
, struct inode
*parent
,
2879 struct page
*ipage
);
2880 int f2fs_add_inline_entry(struct inode
*dir
, const struct qstr
*new_name
,
2881 const struct qstr
*orig_name
,
2882 struct inode
*inode
, nid_t ino
, umode_t mode
);
2883 void f2fs_delete_inline_entry(struct f2fs_dir_entry
*dentry
, struct page
*page
,
2884 struct inode
*dir
, struct inode
*inode
);
2885 bool f2fs_empty_inline_dir(struct inode
*dir
);
2886 int f2fs_read_inline_dir(struct file
*file
, struct dir_context
*ctx
,
2887 struct fscrypt_str
*fstr
);
2888 int f2fs_inline_data_fiemap(struct inode
*inode
,
2889 struct fiemap_extent_info
*fieinfo
,
2890 __u64 start
, __u64 len
);
2895 unsigned long f2fs_shrink_count(struct shrinker
*shrink
,
2896 struct shrink_control
*sc
);
2897 unsigned long f2fs_shrink_scan(struct shrinker
*shrink
,
2898 struct shrink_control
*sc
);
2899 void f2fs_join_shrinker(struct f2fs_sb_info
*sbi
);
2900 void f2fs_leave_shrinker(struct f2fs_sb_info
*sbi
);
2905 struct rb_entry
*__lookup_rb_tree(struct rb_root
*root
,
2906 struct rb_entry
*cached_re
, unsigned int ofs
);
2907 struct rb_node
**__lookup_rb_tree_for_insert(struct f2fs_sb_info
*sbi
,
2908 struct rb_root
*root
, struct rb_node
**parent
,
2910 struct rb_entry
*__lookup_rb_tree_ret(struct rb_root
*root
,
2911 struct rb_entry
*cached_re
, unsigned int ofs
,
2912 struct rb_entry
**prev_entry
, struct rb_entry
**next_entry
,
2913 struct rb_node
***insert_p
, struct rb_node
**insert_parent
,
2915 bool __check_rb_tree_consistence(struct f2fs_sb_info
*sbi
,
2916 struct rb_root
*root
);
2917 unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info
*sbi
, int nr_shrink
);
2918 bool f2fs_init_extent_tree(struct inode
*inode
, struct f2fs_extent
*i_ext
);
2919 void f2fs_drop_extent_tree(struct inode
*inode
);
2920 unsigned int f2fs_destroy_extent_node(struct inode
*inode
);
2921 void f2fs_destroy_extent_tree(struct inode
*inode
);
2922 bool f2fs_lookup_extent_cache(struct inode
*inode
, pgoff_t pgofs
,
2923 struct extent_info
*ei
);
2924 void f2fs_update_extent_cache(struct dnode_of_data
*dn
);
2925 void f2fs_update_extent_cache_range(struct dnode_of_data
*dn
,
2926 pgoff_t fofs
, block_t blkaddr
, unsigned int len
);
2927 void init_extent_cache_info(struct f2fs_sb_info
*sbi
);
2928 int __init
create_extent_cache(void);
2929 void destroy_extent_cache(void);
2934 int __init
f2fs_init_sysfs(void);
2935 void f2fs_exit_sysfs(void);
2936 int f2fs_register_sysfs(struct f2fs_sb_info
*sbi
);
2937 void f2fs_unregister_sysfs(struct f2fs_sb_info
*sbi
);
2942 static inline bool f2fs_encrypted_inode(struct inode
*inode
)
2944 return file_is_encrypt(inode
);
2947 static inline bool f2fs_encrypted_file(struct inode
*inode
)
2949 return f2fs_encrypted_inode(inode
) && S_ISREG(inode
->i_mode
);
2952 static inline void f2fs_set_encrypted_inode(struct inode
*inode
)
2954 #ifdef CONFIG_F2FS_FS_ENCRYPTION
2955 file_set_encrypt(inode
);
2959 static inline bool f2fs_bio_encrypted(struct bio
*bio
)
2961 return bio
->bi_private
!= NULL
;
2964 static inline int f2fs_sb_has_crypto(struct super_block
*sb
)
2966 return F2FS_HAS_FEATURE(sb
, F2FS_FEATURE_ENCRYPT
);
2969 static inline int f2fs_sb_mounted_blkzoned(struct super_block
*sb
)
2971 return F2FS_HAS_FEATURE(sb
, F2FS_FEATURE_BLKZONED
);
2974 static inline int f2fs_sb_has_extra_attr(struct super_block
*sb
)
2976 return F2FS_HAS_FEATURE(sb
, F2FS_FEATURE_EXTRA_ATTR
);
2979 static inline int f2fs_sb_has_project_quota(struct super_block
*sb
)
2981 return F2FS_HAS_FEATURE(sb
, F2FS_FEATURE_PRJQUOTA
);
2984 static inline int f2fs_sb_has_inode_chksum(struct super_block
*sb
)
2986 return F2FS_HAS_FEATURE(sb
, F2FS_FEATURE_INODE_CHKSUM
);
2989 #ifdef CONFIG_BLK_DEV_ZONED
2990 static inline int get_blkz_type(struct f2fs_sb_info
*sbi
,
2991 struct block_device
*bdev
, block_t blkaddr
)
2993 unsigned int zno
= blkaddr
>> sbi
->log_blocks_per_blkz
;
2996 for (i
= 0; i
< sbi
->s_ndevs
; i
++)
2997 if (FDEV(i
).bdev
== bdev
)
2998 return FDEV(i
).blkz_type
[zno
];
3003 static inline bool f2fs_discard_en(struct f2fs_sb_info
*sbi
)
3005 struct request_queue
*q
= bdev_get_queue(sbi
->sb
->s_bdev
);
3007 return blk_queue_discard(q
) || f2fs_sb_mounted_blkzoned(sbi
->sb
);
3010 static inline void set_opt_mode(struct f2fs_sb_info
*sbi
, unsigned int mt
)
3012 clear_opt(sbi
, ADAPTIVE
);
3013 clear_opt(sbi
, LFS
);
3016 case F2FS_MOUNT_ADAPTIVE
:
3017 set_opt(sbi
, ADAPTIVE
);
3019 case F2FS_MOUNT_LFS
:
3025 static inline bool f2fs_may_encrypt(struct inode
*inode
)
3027 #ifdef CONFIG_F2FS_FS_ENCRYPTION
3028 umode_t mode
= inode
->i_mode
;
3030 return (S_ISREG(mode
) || S_ISDIR(mode
) || S_ISLNK(mode
));