1
2
3
4
5
6
7
8#ifndef _LINUX_F2FS_H
9#define _LINUX_F2FS_H
10
11#include <linux/uio.h>
12#include <linux/types.h>
13#include <linux/page-flags.h>
14#include <linux/buffer_head.h>
15#include <linux/slab.h>
16#include <linux/crc32.h>
17#include <linux/magic.h>
18#include <linux/kobject.h>
19#include <linux/sched.h>
20#include <linux/cred.h>
21#include <linux/vmalloc.h>
22#include <linux/bio.h>
23#include <linux/blkdev.h>
24#include <linux/quotaops.h>
25#include <linux/part_stat.h>
26#include <crypto/hash.h>
27
28#include <linux/fscrypt.h>
29#include <linux/fsverity.h>
30
31#ifdef CONFIG_F2FS_CHECK_FS
32#define f2fs_bug_on(sbi, condition) BUG_ON(condition)
33#else
34#define f2fs_bug_on(sbi, condition) \
35 do { \
36 if (WARN_ON(condition)) \
37 set_sbi_flag(sbi, SBI_NEED_FSCK); \
38 } while (0)
39#endif
40
41enum {
42 FAULT_KMALLOC,
43 FAULT_KVMALLOC,
44 FAULT_PAGE_ALLOC,
45 FAULT_PAGE_GET,
46 FAULT_ALLOC_NID,
47 FAULT_ORPHAN,
48 FAULT_BLOCK,
49 FAULT_DIR_DEPTH,
50 FAULT_EVICT_INODE,
51 FAULT_TRUNCATE,
52 FAULT_READ_IO,
53 FAULT_CHECKPOINT,
54 FAULT_DISCARD,
55 FAULT_WRITE_IO,
56 FAULT_MAX,
57};
58
59#ifdef CONFIG_F2FS_FAULT_INJECTION
60#define F2FS_ALL_FAULT_TYPE ((1 << FAULT_MAX) - 1)
61
62struct f2fs_fault_info {
63 atomic_t inject_ops;
64 unsigned int inject_rate;
65 unsigned int inject_type;
66};
67
68extern const char *f2fs_fault_name[FAULT_MAX];
69#define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type)))
70#endif
71
72
73
74
75#define F2FS_MOUNT_DISABLE_ROLL_FORWARD 0x00000002
76#define F2FS_MOUNT_DISCARD 0x00000004
77#define F2FS_MOUNT_NOHEAP 0x00000008
78#define F2FS_MOUNT_XATTR_USER 0x00000010
79#define F2FS_MOUNT_POSIX_ACL 0x00000020
80#define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040
81#define F2FS_MOUNT_INLINE_XATTR 0x00000080
82#define F2FS_MOUNT_INLINE_DATA 0x00000100
83#define F2FS_MOUNT_INLINE_DENTRY 0x00000200
84#define F2FS_MOUNT_FLUSH_MERGE 0x00000400
85#define F2FS_MOUNT_NOBARRIER 0x00000800
86#define F2FS_MOUNT_FASTBOOT 0x00001000
87#define F2FS_MOUNT_EXTENT_CACHE 0x00002000
88#define F2FS_MOUNT_DATA_FLUSH 0x00008000
89#define F2FS_MOUNT_FAULT_INJECTION 0x00010000
90#define F2FS_MOUNT_USRQUOTA 0x00080000
91#define F2FS_MOUNT_GRPQUOTA 0x00100000
92#define F2FS_MOUNT_PRJQUOTA 0x00200000
93#define F2FS_MOUNT_QUOTA 0x00400000
94#define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00800000
95#define F2FS_MOUNT_RESERVE_ROOT 0x01000000
96#define F2FS_MOUNT_DISABLE_CHECKPOINT 0x02000000
97#define F2FS_MOUNT_NORECOVERY 0x04000000
98#define F2FS_MOUNT_ATGC 0x08000000
99#define F2FS_MOUNT_MERGE_CHECKPOINT 0x10000000
100#define F2FS_MOUNT_GC_MERGE 0x20000000
101#define F2FS_MOUNT_COMPRESS_CACHE 0x40000000
102
103#define F2FS_OPTION(sbi) ((sbi)->mount_opt)
104#define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option)
105#define set_opt(sbi, option) (F2FS_OPTION(sbi).opt |= F2FS_MOUNT_##option)
106#define test_opt(sbi, option) (F2FS_OPTION(sbi).opt & F2FS_MOUNT_##option)
107
108#define ver_after(a, b) (typecheck(unsigned long long, a) && \
109 typecheck(unsigned long long, b) && \
110 ((long long)((a) - (b)) > 0))
111
112typedef u32 block_t;
113
114
115
116typedef u32 nid_t;
117
118#define COMPRESS_EXT_NUM 16
119
120struct f2fs_mount_info {
121 unsigned int opt;
122 int write_io_size_bits;
123 block_t root_reserved_blocks;
124 kuid_t s_resuid;
125 kgid_t s_resgid;
126 int active_logs;
127 int inline_xattr_size;
128#ifdef CONFIG_F2FS_FAULT_INJECTION
129 struct f2fs_fault_info fault_info;
130#endif
131#ifdef CONFIG_QUOTA
132
133 char *s_qf_names[MAXQUOTAS];
134 int s_jquota_fmt;
135#endif
136
137 int whint_mode;
138 int alloc_mode;
139 int fsync_mode;
140 int fs_mode;
141 int bggc_mode;
142 struct fscrypt_dummy_policy dummy_enc_policy;
143 block_t unusable_cap_perc;
144 block_t unusable_cap;
145
146
147
148
149 unsigned char compress_algorithm;
150 unsigned char compress_log_size;
151 unsigned char compress_level;
152 bool compress_chksum;
153 unsigned char compress_ext_cnt;
154 unsigned char nocompress_ext_cnt;
155 int compress_mode;
156 unsigned char extensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN];
157 unsigned char noextensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN];
158};
159
160#define F2FS_FEATURE_ENCRYPT 0x0001
161#define F2FS_FEATURE_BLKZONED 0x0002
162#define F2FS_FEATURE_ATOMIC_WRITE 0x0004
163#define F2FS_FEATURE_EXTRA_ATTR 0x0008
164#define F2FS_FEATURE_PRJQUOTA 0x0010
165#define F2FS_FEATURE_INODE_CHKSUM 0x0020
166#define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040
167#define F2FS_FEATURE_QUOTA_INO 0x0080
168#define F2FS_FEATURE_INODE_CRTIME 0x0100
169#define F2FS_FEATURE_LOST_FOUND 0x0200
170#define F2FS_FEATURE_VERITY 0x0400
171#define F2FS_FEATURE_SB_CHKSUM 0x0800
172#define F2FS_FEATURE_CASEFOLD 0x1000
173#define F2FS_FEATURE_COMPRESSION 0x2000
174#define F2FS_FEATURE_RO 0x4000
175
176#define __F2FS_HAS_FEATURE(raw_super, mask) \
177 ((raw_super->feature & cpu_to_le32(mask)) != 0)
178#define F2FS_HAS_FEATURE(sbi, mask) __F2FS_HAS_FEATURE(sbi->raw_super, mask)
179#define F2FS_SET_FEATURE(sbi, mask) \
180 (sbi->raw_super->feature |= cpu_to_le32(mask))
181#define F2FS_CLEAR_FEATURE(sbi, mask) \
182 (sbi->raw_super->feature &= ~cpu_to_le32(mask))
183
184
185
186
187#define F2FS_DEF_RESUID 0
188#define F2FS_DEF_RESGID 0
189
190
191
192
193enum {
194 NAT_BITMAP,
195 SIT_BITMAP
196};
197
198#define CP_UMOUNT 0x00000001
199#define CP_FASTBOOT 0x00000002
200#define CP_SYNC 0x00000004
201#define CP_RECOVERY 0x00000008
202#define CP_DISCARD 0x00000010
203#define CP_TRIMMED 0x00000020
204#define CP_PAUSE 0x00000040
205#define CP_RESIZE 0x00000080
206
207#define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi)
208#define DEF_MAX_DISCARD_REQUEST 8
209#define DEF_MIN_DISCARD_ISSUE_TIME 50
210#define DEF_MID_DISCARD_ISSUE_TIME 500
211#define DEF_MAX_DISCARD_ISSUE_TIME 60000
212#define DEF_DISCARD_URGENT_UTIL 80
213#define DEF_CP_INTERVAL 60
214#define DEF_IDLE_INTERVAL 5
215#define DEF_DISABLE_INTERVAL 5
216#define DEF_DISABLE_QUICK_INTERVAL 1
217#define DEF_UMOUNT_DISCARD_TIMEOUT 5
218
219struct cp_control {
220 int reason;
221 __u64 trim_start;
222 __u64 trim_end;
223 __u64 trim_minlen;
224};
225
226
227
228
229enum {
230 META_CP,
231 META_NAT,
232 META_SIT,
233 META_SSA,
234 META_MAX,
235 META_POR,
236 DATA_GENERIC,
237 DATA_GENERIC_ENHANCE,
238 DATA_GENERIC_ENHANCE_READ,
239
240
241
242
243
244 META_GENERIC,
245};
246
247
248enum {
249 ORPHAN_INO,
250 APPEND_INO,
251 UPDATE_INO,
252 TRANS_DIR_INO,
253 FLUSH_INO,
254 MAX_INO_ENTRY,
255};
256
257struct ino_entry {
258 struct list_head list;
259 nid_t ino;
260 unsigned int dirty_device;
261};
262
263
264struct inode_entry {
265 struct list_head list;
266 struct inode *inode;
267};
268
269struct fsync_node_entry {
270 struct list_head list;
271 struct page *page;
272 unsigned int seq_id;
273};
274
275struct ckpt_req {
276 struct completion wait;
277 struct llist_node llnode;
278 int ret;
279 ktime_t queue_time;
280};
281
282struct ckpt_req_control {
283 struct task_struct *f2fs_issue_ckpt;
284 int ckpt_thread_ioprio;
285 wait_queue_head_t ckpt_wait_queue;
286 atomic_t issued_ckpt;
287 atomic_t total_ckpt;
288 atomic_t queued_ckpt;
289 struct llist_head issue_list;
290 spinlock_t stat_lock;
291 unsigned int cur_time;
292 unsigned int peak_time;
293};
294
295
296struct discard_entry {
297 struct list_head list;
298 block_t start_blkaddr;
299 unsigned char discard_map[SIT_VBLOCK_MAP_SIZE];
300};
301
302
303#define DEFAULT_DISCARD_GRANULARITY 16
304
305
306#define MAX_PLIST_NUM 512
307#define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \
308 (MAX_PLIST_NUM - 1) : ((blk_num) - 1))
309
310enum {
311 D_PREP,
312 D_PARTIAL,
313 D_SUBMIT,
314 D_DONE,
315};
316
317struct discard_info {
318 block_t lstart;
319 block_t len;
320 block_t start;
321};
322
323struct discard_cmd {
324 struct rb_node rb_node;
325 union {
326 struct {
327 block_t lstart;
328 block_t len;
329 block_t start;
330 };
331 struct discard_info di;
332
333 };
334 struct list_head list;
335 struct completion wait;
336 struct block_device *bdev;
337 unsigned short ref;
338 unsigned char state;
339 unsigned char queued;
340 int error;
341 spinlock_t lock;
342 unsigned short bio_ref;
343};
344
345enum {
346 DPOLICY_BG,
347 DPOLICY_FORCE,
348 DPOLICY_FSTRIM,
349 DPOLICY_UMOUNT,
350 MAX_DPOLICY,
351};
352
353struct discard_policy {
354 int type;
355 unsigned int min_interval;
356 unsigned int mid_interval;
357 unsigned int max_interval;
358 unsigned int max_requests;
359 unsigned int io_aware_gran;
360 bool io_aware;
361 bool sync;
362 bool ordered;
363 bool timeout;
364 unsigned int granularity;
365};
366
367struct discard_cmd_control {
368 struct task_struct *f2fs_issue_discard;
369 struct list_head entry_list;
370 struct list_head pend_list[MAX_PLIST_NUM];
371 struct list_head wait_list;
372 struct list_head fstrim_list;
373 wait_queue_head_t discard_wait_queue;
374 unsigned int discard_wake;
375 struct mutex cmd_lock;
376 unsigned int nr_discards;
377 unsigned int max_discards;
378 unsigned int discard_granularity;
379 unsigned int undiscard_blks;
380 unsigned int next_pos;
381 atomic_t issued_discard;
382 atomic_t queued_discard;
383 atomic_t discard_cmd_cnt;
384 struct rb_root_cached root;
385 bool rbtree_check;
386};
387
388
389struct fsync_inode_entry {
390 struct list_head list;
391 struct inode *inode;
392 block_t blkaddr;
393 block_t last_dentry;
394};
395
396#define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats))
397#define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits))
398
399#define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne)
400#define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid)
401#define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se)
402#define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno)
403
404#define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl))
405#define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl))
406
407static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i)
408{
409 int before = nats_in_cursum(journal);
410
411 journal->n_nats = cpu_to_le16(before + i);
412 return before;
413}
414
415static inline int update_sits_in_cursum(struct f2fs_journal *journal, int i)
416{
417 int before = sits_in_cursum(journal);
418
419 journal->n_sits = cpu_to_le16(before + i);
420 return before;
421}
422
423static inline bool __has_cursum_space(struct f2fs_journal *journal,
424 int size, int type)
425{
426 if (type == NAT_JOURNAL)
427 return size <= MAX_NAT_JENTRIES(journal);
428 return size <= MAX_SIT_JENTRIES(journal);
429}
430
431
432#define DEF_INLINE_RESERVED_SIZE 1
433static inline int get_extra_isize(struct inode *inode);
434static inline int get_inline_xattr_addrs(struct inode *inode);
435#define MAX_INLINE_DATA(inode) (sizeof(__le32) * \
436 (CUR_ADDRS_PER_INODE(inode) - \
437 get_inline_xattr_addrs(inode) - \
438 DEF_INLINE_RESERVED_SIZE))
439
440
441#define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \
442 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
443 BITS_PER_BYTE + 1))
444#define INLINE_DENTRY_BITMAP_SIZE(inode) \
445 DIV_ROUND_UP(NR_INLINE_DENTRY(inode), BITS_PER_BYTE)
446#define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \
447 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
448 NR_INLINE_DENTRY(inode) + \
449 INLINE_DENTRY_BITMAP_SIZE(inode)))
450
451
452
453
454
455
456struct f2fs_filename {
457
458
459
460
461
462 const struct qstr *usr_fname;
463
464
465
466
467
468 struct fscrypt_str disk_name;
469
470
471 f2fs_hash_t hash;
472
473#ifdef CONFIG_FS_ENCRYPTION
474
475
476
477
478 struct fscrypt_str crypto_buf;
479#endif
480#ifdef CONFIG_UNICODE
481
482
483
484
485
486
487
488
489 struct fscrypt_str cf_name;
490#endif
491};
492
493struct f2fs_dentry_ptr {
494 struct inode *inode;
495 void *bitmap;
496 struct f2fs_dir_entry *dentry;
497 __u8 (*filename)[F2FS_SLOT_LEN];
498 int max;
499 int nr_bitmap;
500};
501
502static inline void make_dentry_ptr_block(struct inode *inode,
503 struct f2fs_dentry_ptr *d, struct f2fs_dentry_block *t)
504{
505 d->inode = inode;
506 d->max = NR_DENTRY_IN_BLOCK;
507 d->nr_bitmap = SIZE_OF_DENTRY_BITMAP;
508 d->bitmap = t->dentry_bitmap;
509 d->dentry = t->dentry;
510 d->filename = t->filename;
511}
512
513static inline void make_dentry_ptr_inline(struct inode *inode,
514 struct f2fs_dentry_ptr *d, void *t)
515{
516 int entry_cnt = NR_INLINE_DENTRY(inode);
517 int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode);
518 int reserved_size = INLINE_RESERVED_SIZE(inode);
519
520 d->inode = inode;
521 d->max = entry_cnt;
522 d->nr_bitmap = bitmap_size;
523 d->bitmap = t;
524 d->dentry = t + bitmap_size + reserved_size;
525 d->filename = t + bitmap_size + reserved_size +
526 SIZE_OF_DIR_ENTRY * entry_cnt;
527}
528
529
530
531
532
533
534#define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \
535 >> OFFSET_BIT_SHIFT)
536enum {
537 ALLOC_NODE,
538 LOOKUP_NODE,
539 LOOKUP_NODE_RA,
540
541
542
543};
544
545#define DEFAULT_RETRY_IO_COUNT 8
546
547
548#define DEFAULT_IO_TIMEOUT (msecs_to_jiffies(20))
549
550
551#define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8
552
553#define F2FS_LINK_MAX 0xffffffff
554
555#define MAX_DIR_RA_PAGES 4
556
557
558#define F2FS_MIN_EXTENT_LEN 64
559
560
561#define EXTENT_CACHE_SHRINK_NUMBER 128
562
563struct rb_entry {
564 struct rb_node rb_node;
565 union {
566 struct {
567 unsigned int ofs;
568 unsigned int len;
569 };
570 unsigned long long key;
571 } __packed;
572};
573
574struct extent_info {
575 unsigned int fofs;
576 unsigned int len;
577 u32 blk;
578};
579
580struct extent_node {
581 struct rb_node rb_node;
582 struct extent_info ei;
583 struct list_head list;
584 struct extent_tree *et;
585};
586
587struct extent_tree {
588 nid_t ino;
589 struct rb_root_cached root;
590 struct extent_node *cached_en;
591 struct extent_info largest;
592 struct list_head list;
593 rwlock_t lock;
594 atomic_t node_cnt;
595 bool largest_updated;
596};
597
598
599
600
601
602
603#define F2FS_MAP_NEW (1 << BH_New)
604#define F2FS_MAP_MAPPED (1 << BH_Mapped)
605#define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten)
606#define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\
607 F2FS_MAP_UNWRITTEN)
608
609struct f2fs_map_blocks {
610 block_t m_pblk;
611 block_t m_lblk;
612 unsigned int m_len;
613 unsigned int m_flags;
614 pgoff_t *m_next_pgofs;
615 pgoff_t *m_next_extent;
616 int m_seg_type;
617 bool m_may_create;
618};
619
620
621enum {
622 F2FS_GET_BLOCK_DEFAULT,
623 F2FS_GET_BLOCK_FIEMAP,
624 F2FS_GET_BLOCK_BMAP,
625 F2FS_GET_BLOCK_DIO,
626 F2FS_GET_BLOCK_PRE_DIO,
627 F2FS_GET_BLOCK_PRE_AIO,
628 F2FS_GET_BLOCK_PRECACHE,
629};
630
631
632
633
634#define FADVISE_COLD_BIT 0x01
635#define FADVISE_LOST_PINO_BIT 0x02
636#define FADVISE_ENCRYPT_BIT 0x04
637#define FADVISE_ENC_NAME_BIT 0x08
638#define FADVISE_KEEP_SIZE_BIT 0x10
639#define FADVISE_HOT_BIT 0x20
640#define FADVISE_VERITY_BIT 0x40
641
642#define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT)
643
644#define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT)
645#define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT)
646#define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT)
647
648#define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
649#define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
650#define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT)
651
652#define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT)
653#define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT)
654
655#define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT)
656#define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT)
657
658#define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT)
659#define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT)
660
661#define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT)
662#define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT)
663#define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT)
664
665#define file_is_verity(inode) is_file(inode, FADVISE_VERITY_BIT)
666#define file_set_verity(inode) set_file(inode, FADVISE_VERITY_BIT)
667
668#define DEF_DIR_LEVEL 0
669
670enum {
671 GC_FAILURE_PIN,
672 GC_FAILURE_ATOMIC,
673 MAX_GC_FAILURE
674};
675
676
677enum {
678 FI_NEW_INODE,
679 FI_DIRTY_INODE,
680 FI_AUTO_RECOVER,
681 FI_DIRTY_DIR,
682 FI_INC_LINK,
683 FI_ACL_MODE,
684 FI_NO_ALLOC,
685 FI_FREE_NID,
686 FI_NO_EXTENT,
687 FI_INLINE_XATTR,
688 FI_INLINE_DATA,
689 FI_INLINE_DENTRY,
690 FI_APPEND_WRITE,
691 FI_UPDATE_WRITE,
692 FI_NEED_IPU,
693 FI_ATOMIC_FILE,
694 FI_ATOMIC_COMMIT,
695 FI_VOLATILE_FILE,
696 FI_FIRST_BLOCK_WRITTEN,
697 FI_DROP_CACHE,
698 FI_DATA_EXIST,
699 FI_INLINE_DOTS,
700 FI_DO_DEFRAG,
701 FI_DIRTY_FILE,
702 FI_NO_PREALLOC,
703 FI_HOT_DATA,
704 FI_EXTRA_ATTR,
705 FI_PROJ_INHERIT,
706 FI_PIN_FILE,
707 FI_ATOMIC_REVOKE_REQUEST,
708 FI_VERITY_IN_PROGRESS,
709 FI_COMPRESSED_FILE,
710 FI_COMPRESS_CORRUPT,
711 FI_MMAP_FILE,
712 FI_ENABLE_COMPRESS,
713 FI_COMPRESS_RELEASED,
714 FI_ALIGNED_WRITE,
715 FI_MAX,
716};
717
718struct f2fs_inode_info {
719 struct inode vfs_inode;
720 unsigned long i_flags;
721 unsigned char i_advise;
722 unsigned char i_dir_level;
723 unsigned int i_current_depth;
724
725 unsigned int i_gc_failures[MAX_GC_FAILURE];
726 unsigned int i_pino;
727 umode_t i_acl_mode;
728
729
730 unsigned long flags[BITS_TO_LONGS(FI_MAX)];
731 struct rw_semaphore i_sem;
732 atomic_t dirty_pages;
733 f2fs_hash_t chash;
734 unsigned int clevel;
735 struct task_struct *task;
736 struct task_struct *cp_task;
737 nid_t i_xattr_nid;
738 loff_t last_disk_size;
739 spinlock_t i_size_lock;
740
741#ifdef CONFIG_QUOTA
742 struct dquot *i_dquot[MAXQUOTAS];
743
744
745 qsize_t i_reserved_quota;
746#endif
747 struct list_head dirty_list;
748 struct list_head gdirty_list;
749 struct list_head inmem_ilist;
750 struct list_head inmem_pages;
751 struct task_struct *inmem_task;
752 struct mutex inmem_lock;
753 struct extent_tree *extent_tree;
754
755
756 struct rw_semaphore i_gc_rwsem[2];
757 struct rw_semaphore i_mmap_sem;
758 struct rw_semaphore i_xattr_sem;
759
760 int i_extra_isize;
761 kprojid_t i_projid;
762 int i_inline_xattr_size;
763 struct timespec64 i_crtime;
764 struct timespec64 i_disk_time[4];
765
766
767 atomic_t i_compr_blocks;
768 unsigned char i_compress_algorithm;
769 unsigned char i_log_cluster_size;
770 unsigned char i_compress_level;
771 unsigned short i_compress_flag;
772 unsigned int i_cluster_size;
773};
774
775static inline void get_extent_info(struct extent_info *ext,
776 struct f2fs_extent *i_ext)
777{
778 ext->fofs = le32_to_cpu(i_ext->fofs);
779 ext->blk = le32_to_cpu(i_ext->blk);
780 ext->len = le32_to_cpu(i_ext->len);
781}
782
783static inline void set_raw_extent(struct extent_info *ext,
784 struct f2fs_extent *i_ext)
785{
786 i_ext->fofs = cpu_to_le32(ext->fofs);
787 i_ext->blk = cpu_to_le32(ext->blk);
788 i_ext->len = cpu_to_le32(ext->len);
789}
790
791static inline void set_extent_info(struct extent_info *ei, unsigned int fofs,
792 u32 blk, unsigned int len)
793{
794 ei->fofs = fofs;
795 ei->blk = blk;
796 ei->len = len;
797}
798
799static inline bool __is_discard_mergeable(struct discard_info *back,
800 struct discard_info *front, unsigned int max_len)
801{
802 return (back->lstart + back->len == front->lstart) &&
803 (back->len + front->len <= max_len);
804}
805
806static inline bool __is_discard_back_mergeable(struct discard_info *cur,
807 struct discard_info *back, unsigned int max_len)
808{
809 return __is_discard_mergeable(back, cur, max_len);
810}
811
812static inline bool __is_discard_front_mergeable(struct discard_info *cur,
813 struct discard_info *front, unsigned int max_len)
814{
815 return __is_discard_mergeable(cur, front, max_len);
816}
817
818static inline bool __is_extent_mergeable(struct extent_info *back,
819 struct extent_info *front)
820{
821 return (back->fofs + back->len == front->fofs &&
822 back->blk + back->len == front->blk);
823}
824
825static inline bool __is_back_mergeable(struct extent_info *cur,
826 struct extent_info *back)
827{
828 return __is_extent_mergeable(back, cur);
829}
830
831static inline bool __is_front_mergeable(struct extent_info *cur,
832 struct extent_info *front)
833{
834 return __is_extent_mergeable(cur, front);
835}
836
837extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync);
838static inline void __try_update_largest_extent(struct extent_tree *et,
839 struct extent_node *en)
840{
841 if (en->ei.len > et->largest.len) {
842 et->largest = en->ei;
843 et->largest_updated = true;
844 }
845}
846
847
848
849
850enum nid_state {
851 FREE_NID,
852 PREALLOC_NID,
853 MAX_NID_STATE,
854};
855
856enum nat_state {
857 TOTAL_NAT,
858 DIRTY_NAT,
859 RECLAIMABLE_NAT,
860 MAX_NAT_STATE,
861};
862
863struct f2fs_nm_info {
864 block_t nat_blkaddr;
865 nid_t max_nid;
866 nid_t available_nids;
867 nid_t next_scan_nid;
868 unsigned int ram_thresh;
869 unsigned int ra_nid_pages;
870 unsigned int dirty_nats_ratio;
871
872
873 struct radix_tree_root nat_root;
874 struct radix_tree_root nat_set_root;
875 struct rw_semaphore nat_tree_lock;
876 struct list_head nat_entries;
877 spinlock_t nat_list_lock;
878 unsigned int nat_cnt[MAX_NAT_STATE];
879 unsigned int nat_blocks;
880
881
882 struct radix_tree_root free_nid_root;
883 struct list_head free_nid_list;
884 unsigned int nid_cnt[MAX_NID_STATE];
885 spinlock_t nid_list_lock;
886 struct mutex build_lock;
887 unsigned char **free_nid_bitmap;
888 unsigned char *nat_block_bitmap;
889 unsigned short *free_nid_count;
890
891
892 char *nat_bitmap;
893
894 unsigned int nat_bits_blocks;
895 unsigned char *nat_bits;
896 unsigned char *full_nat_bits;
897 unsigned char *empty_nat_bits;
898#ifdef CONFIG_F2FS_CHECK_FS
899 char *nat_bitmap_mir;
900#endif
901 int bitmap_size;
902};
903
904
905
906
907
908
909struct dnode_of_data {
910 struct inode *inode;
911 struct page *inode_page;
912 struct page *node_page;
913 nid_t nid;
914 unsigned int ofs_in_node;
915 bool inode_page_locked;
916 bool node_changed;
917 char cur_level;
918 char max_level;
919 block_t data_blkaddr;
920};
921
922static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode,
923 struct page *ipage, struct page *npage, nid_t nid)
924{
925 memset(dn, 0, sizeof(*dn));
926 dn->inode = inode;
927 dn->inode_page = ipage;
928 dn->node_page = npage;
929 dn->nid = nid;
930}
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945#define NR_CURSEG_DATA_TYPE (3)
946#define NR_CURSEG_NODE_TYPE (3)
947#define NR_CURSEG_INMEM_TYPE (2)
948#define NR_CURSEG_RO_TYPE (2)
949#define NR_CURSEG_PERSIST_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE)
950#define NR_CURSEG_TYPE (NR_CURSEG_INMEM_TYPE + NR_CURSEG_PERSIST_TYPE)
951
952enum {
953 CURSEG_HOT_DATA = 0,
954 CURSEG_WARM_DATA,
955 CURSEG_COLD_DATA,
956 CURSEG_HOT_NODE,
957 CURSEG_WARM_NODE,
958 CURSEG_COLD_NODE,
959 NR_PERSISTENT_LOG,
960 CURSEG_COLD_DATA_PINNED = NR_PERSISTENT_LOG,
961
962 CURSEG_ALL_DATA_ATGC,
963 NO_CHECK_TYPE,
964};
965
966struct flush_cmd {
967 struct completion wait;
968 struct llist_node llnode;
969 nid_t ino;
970 int ret;
971};
972
973struct flush_cmd_control {
974 struct task_struct *f2fs_issue_flush;
975 wait_queue_head_t flush_wait_queue;
976 atomic_t issued_flush;
977 atomic_t queued_flush;
978 struct llist_head issue_list;
979 struct llist_node *dispatch_list;
980};
981
982struct f2fs_sm_info {
983 struct sit_info *sit_info;
984 struct free_segmap_info *free_info;
985 struct dirty_seglist_info *dirty_info;
986 struct curseg_info *curseg_array;
987
988 struct rw_semaphore curseg_lock;
989
990 block_t seg0_blkaddr;
991 block_t main_blkaddr;
992 block_t ssa_blkaddr;
993
994 unsigned int segment_count;
995 unsigned int main_segments;
996 unsigned int reserved_segments;
997 unsigned int ovp_segments;
998
999
1000 unsigned int rec_prefree_segments;
1001
1002
1003 unsigned int trim_sections;
1004
1005 struct list_head sit_entry_set;
1006
1007 unsigned int ipu_policy;
1008 unsigned int min_ipu_util;
1009 unsigned int min_fsync_blocks;
1010 unsigned int min_seq_blocks;
1011 unsigned int min_hot_blocks;
1012 unsigned int min_ssr_sections;
1013
1014
1015 struct flush_cmd_control *fcc_info;
1016
1017
1018 struct discard_cmd_control *dcc_info;
1019};
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030#define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA)
1031enum count_type {
1032 F2FS_DIRTY_DENTS,
1033 F2FS_DIRTY_DATA,
1034 F2FS_DIRTY_QDATA,
1035 F2FS_DIRTY_NODES,
1036 F2FS_DIRTY_META,
1037 F2FS_INMEM_PAGES,
1038 F2FS_DIRTY_IMETA,
1039 F2FS_WB_CP_DATA,
1040 F2FS_WB_DATA,
1041 F2FS_RD_DATA,
1042 F2FS_RD_NODE,
1043 F2FS_RD_META,
1044 F2FS_DIO_WRITE,
1045 F2FS_DIO_READ,
1046 NR_COUNT_TYPE,
1047};
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060#define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type))
1061enum page_type {
1062 DATA,
1063 NODE,
1064 META,
1065 NR_PAGE_TYPE,
1066 META_FLUSH,
1067 INMEM,
1068 INMEM_DROP,
1069 INMEM_INVALIDATE,
1070 INMEM_REVOKE,
1071 IPU,
1072 OPU,
1073};
1074
1075enum temp_type {
1076 HOT = 0,
1077 WARM,
1078 COLD,
1079 NR_TEMP_TYPE,
1080};
1081
1082enum need_lock_type {
1083 LOCK_REQ = 0,
1084 LOCK_DONE,
1085 LOCK_RETRY,
1086};
1087
1088enum cp_reason_type {
1089 CP_NO_NEEDED,
1090 CP_NON_REGULAR,
1091 CP_COMPRESSED,
1092 CP_HARDLINK,
1093 CP_SB_NEED_CP,
1094 CP_WRONG_PINO,
1095 CP_NO_SPC_ROLL,
1096 CP_NODE_NEED_CP,
1097 CP_FASTBOOT_MODE,
1098 CP_SPEC_LOG_NUM,
1099 CP_RECOVER_DIR,
1100};
1101
1102enum iostat_type {
1103
1104 APP_DIRECT_IO,
1105 APP_BUFFERED_IO,
1106 APP_WRITE_IO,
1107 APP_MAPPED_IO,
1108 FS_DATA_IO,
1109 FS_NODE_IO,
1110 FS_META_IO,
1111 FS_GC_DATA_IO,
1112 FS_GC_NODE_IO,
1113 FS_CP_DATA_IO,
1114 FS_CP_NODE_IO,
1115 FS_CP_META_IO,
1116
1117
1118 APP_DIRECT_READ_IO,
1119 APP_BUFFERED_READ_IO,
1120 APP_READ_IO,
1121 APP_MAPPED_READ_IO,
1122 FS_DATA_READ_IO,
1123 FS_GDATA_READ_IO,
1124 FS_CDATA_READ_IO,
1125 FS_NODE_READ_IO,
1126 FS_META_READ_IO,
1127
1128
1129 FS_DISCARD,
1130 NR_IO_TYPE,
1131};
1132
1133struct f2fs_io_info {
1134 struct f2fs_sb_info *sbi;
1135 nid_t ino;
1136 enum page_type type;
1137 enum temp_type temp;
1138 int op;
1139 int op_flags;
1140 block_t new_blkaddr;
1141 block_t old_blkaddr;
1142 struct page *page;
1143 struct page *encrypted_page;
1144 struct page *compressed_page;
1145 struct list_head list;
1146 bool submitted;
1147 int need_lock;
1148 bool in_list;
1149 bool is_por;
1150 bool retry;
1151 int compr_blocks;
1152 bool encrypted;
1153 enum iostat_type io_type;
1154 struct writeback_control *io_wbc;
1155 struct bio **bio;
1156 sector_t *last_block;
1157 unsigned char version;
1158};
1159
1160struct bio_entry {
1161 struct bio *bio;
1162 struct list_head list;
1163};
1164
1165#define is_read_io(rw) ((rw) == READ)
1166struct f2fs_bio_info {
1167 struct f2fs_sb_info *sbi;
1168 struct bio *bio;
1169 sector_t last_block_in_bio;
1170 struct f2fs_io_info fio;
1171 struct rw_semaphore io_rwsem;
1172 spinlock_t io_lock;
1173 struct list_head io_list;
1174 struct list_head bio_list;
1175 struct rw_semaphore bio_list_lock;
1176};
1177
1178#define FDEV(i) (sbi->devs[i])
1179#define RDEV(i) (raw_super->devs[i])
1180struct f2fs_dev_info {
1181 struct block_device *bdev;
1182 char path[MAX_PATH_LEN];
1183 unsigned int total_segments;
1184 block_t start_blk;
1185 block_t end_blk;
1186#ifdef CONFIG_BLK_DEV_ZONED
1187 unsigned int nr_blkz;
1188 unsigned long *blkz_seq;
1189 block_t *zone_capacity_blocks;
1190#endif
1191};
1192
1193enum inode_type {
1194 DIR_INODE,
1195 FILE_INODE,
1196 DIRTY_META,
1197 ATOMIC_FILE,
1198 NR_INODE_TYPE,
1199};
1200
1201
1202struct inode_management {
1203 struct radix_tree_root ino_root;
1204 spinlock_t ino_lock;
1205 struct list_head ino_list;
1206 unsigned long ino_num;
1207};
1208
1209
1210struct atgc_management {
1211 bool atgc_enabled;
1212 struct rb_root_cached root;
1213 struct list_head victim_list;
1214 unsigned int victim_count;
1215 unsigned int candidate_ratio;
1216 unsigned int max_candidate_count;
1217 unsigned int age_weight;
1218 unsigned long long age_threshold;
1219};
1220
1221
1222enum {
1223 SBI_IS_DIRTY,
1224 SBI_IS_CLOSE,
1225 SBI_NEED_FSCK,
1226 SBI_POR_DOING,
1227 SBI_NEED_SB_WRITE,
1228 SBI_NEED_CP,
1229 SBI_IS_SHUTDOWN,
1230 SBI_IS_RECOVERED,
1231 SBI_CP_DISABLED,
1232 SBI_CP_DISABLED_QUICK,
1233 SBI_QUOTA_NEED_FLUSH,
1234 SBI_QUOTA_SKIP_FLUSH,
1235 SBI_QUOTA_NEED_REPAIR,
1236 SBI_IS_RESIZEFS,
1237};
1238
1239enum {
1240 CP_TIME,
1241 REQ_TIME,
1242 DISCARD_TIME,
1243 GC_TIME,
1244 DISABLE_TIME,
1245 UMOUNT_DISCARD_TIMEOUT,
1246 MAX_TIME,
1247};
1248
1249enum {
1250 GC_NORMAL,
1251 GC_IDLE_CB,
1252 GC_IDLE_GREEDY,
1253 GC_IDLE_AT,
1254 GC_URGENT_HIGH,
1255 GC_URGENT_LOW,
1256};
1257
1258enum {
1259 BGGC_MODE_ON,
1260 BGGC_MODE_OFF,
1261 BGGC_MODE_SYNC,
1262
1263
1264
1265};
1266
1267enum {
1268 FS_MODE_ADAPTIVE,
1269 FS_MODE_LFS,
1270};
1271
1272enum {
1273 WHINT_MODE_OFF,
1274 WHINT_MODE_USER,
1275 WHINT_MODE_FS,
1276};
1277
1278enum {
1279 ALLOC_MODE_DEFAULT,
1280 ALLOC_MODE_REUSE,
1281};
1282
1283enum fsync_mode {
1284 FSYNC_MODE_POSIX,
1285 FSYNC_MODE_STRICT,
1286 FSYNC_MODE_NOBARRIER,
1287};
1288
1289enum {
1290 COMPR_MODE_FS,
1291
1292
1293
1294 COMPR_MODE_USER,
1295
1296
1297
1298
1299};
1300
1301static inline int f2fs_test_bit(unsigned int nr, char *addr);
1302static inline void f2fs_set_bit(unsigned int nr, char *addr);
1303static inline void f2fs_clear_bit(unsigned int nr, char *addr);
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321enum {
1322 PAGE_PRIVATE_NOT_POINTER,
1323 PAGE_PRIVATE_ATOMIC_WRITE,
1324 PAGE_PRIVATE_DUMMY_WRITE,
1325 PAGE_PRIVATE_ONGOING_MIGRATION,
1326 PAGE_PRIVATE_INLINE_INODE,
1327 PAGE_PRIVATE_REF_RESOURCE,
1328 PAGE_PRIVATE_MAX
1329};
1330
1331#define PAGE_PRIVATE_GET_FUNC(name, flagname) \
1332static inline bool page_private_##name(struct page *page) \
1333{ \
1334 return PagePrivate(page) && \
1335 test_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)) && \
1336 test_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
1337}
1338
1339#define PAGE_PRIVATE_SET_FUNC(name, flagname) \
1340static inline void set_page_private_##name(struct page *page) \
1341{ \
1342 if (!PagePrivate(page)) { \
1343 get_page(page); \
1344 SetPagePrivate(page); \
1345 set_page_private(page, 0); \
1346 } \
1347 set_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)); \
1348 set_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
1349}
1350
1351#define PAGE_PRIVATE_CLEAR_FUNC(name, flagname) \
1352static inline void clear_page_private_##name(struct page *page) \
1353{ \
1354 clear_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
1355 if (page_private(page) == 1 << PAGE_PRIVATE_NOT_POINTER) { \
1356 set_page_private(page, 0); \
1357 if (PagePrivate(page)) { \
1358 ClearPagePrivate(page); \
1359 put_page(page); \
1360 }\
1361 } \
1362}
1363
1364PAGE_PRIVATE_GET_FUNC(nonpointer, NOT_POINTER);
1365PAGE_PRIVATE_GET_FUNC(reference, REF_RESOURCE);
1366PAGE_PRIVATE_GET_FUNC(inline, INLINE_INODE);
1367PAGE_PRIVATE_GET_FUNC(gcing, ONGOING_MIGRATION);
1368PAGE_PRIVATE_GET_FUNC(atomic, ATOMIC_WRITE);
1369PAGE_PRIVATE_GET_FUNC(dummy, DUMMY_WRITE);
1370
1371PAGE_PRIVATE_SET_FUNC(reference, REF_RESOURCE);
1372PAGE_PRIVATE_SET_FUNC(inline, INLINE_INODE);
1373PAGE_PRIVATE_SET_FUNC(gcing, ONGOING_MIGRATION);
1374PAGE_PRIVATE_SET_FUNC(atomic, ATOMIC_WRITE);
1375PAGE_PRIVATE_SET_FUNC(dummy, DUMMY_WRITE);
1376
1377PAGE_PRIVATE_CLEAR_FUNC(reference, REF_RESOURCE);
1378PAGE_PRIVATE_CLEAR_FUNC(inline, INLINE_INODE);
1379PAGE_PRIVATE_CLEAR_FUNC(gcing, ONGOING_MIGRATION);
1380PAGE_PRIVATE_CLEAR_FUNC(atomic, ATOMIC_WRITE);
1381PAGE_PRIVATE_CLEAR_FUNC(dummy, DUMMY_WRITE);
1382
1383static inline unsigned long get_page_private_data(struct page *page)
1384{
1385 unsigned long data = page_private(page);
1386
1387 if (!test_bit(PAGE_PRIVATE_NOT_POINTER, &data))
1388 return 0;
1389 return data >> PAGE_PRIVATE_MAX;
1390}
1391
1392static inline void set_page_private_data(struct page *page, unsigned long data)
1393{
1394 if (!PagePrivate(page)) {
1395 get_page(page);
1396 SetPagePrivate(page);
1397 set_page_private(page, 0);
1398 }
1399 set_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page));
1400 page_private(page) |= data << PAGE_PRIVATE_MAX;
1401}
1402
1403static inline void clear_page_private_data(struct page *page)
1404{
1405 page_private(page) &= (1 << PAGE_PRIVATE_MAX) - 1;
1406 if (page_private(page) == 1 << PAGE_PRIVATE_NOT_POINTER) {
1407 set_page_private(page, 0);
1408 if (PagePrivate(page)) {
1409 ClearPagePrivate(page);
1410 put_page(page);
1411 }
1412 }
1413}
1414
1415
1416enum compress_algorithm_type {
1417 COMPRESS_LZO,
1418 COMPRESS_LZ4,
1419 COMPRESS_ZSTD,
1420 COMPRESS_LZORLE,
1421 COMPRESS_MAX,
1422};
1423
1424enum compress_flag {
1425 COMPRESS_CHKSUM,
1426 COMPRESS_MAX_FLAG,
1427};
1428
1429#define COMPRESS_WATERMARK 20
1430#define COMPRESS_PERCENT 20
1431
1432#define COMPRESS_DATA_RESERVED_SIZE 4
1433struct compress_data {
1434 __le32 clen;
1435 __le32 chksum;
1436 __le32 reserved[COMPRESS_DATA_RESERVED_SIZE];
1437 u8 cdata[];
1438};
1439
1440#define COMPRESS_HEADER_SIZE (sizeof(struct compress_data))
1441
1442#define F2FS_COMPRESSED_PAGE_MAGIC 0xF5F2C000
1443
1444#define COMPRESS_LEVEL_OFFSET 8
1445
1446
1447struct compress_ctx {
1448 struct inode *inode;
1449 pgoff_t cluster_idx;
1450 unsigned int cluster_size;
1451 unsigned int log_cluster_size;
1452 struct page **rpages;
1453 unsigned int nr_rpages;
1454 struct page **cpages;
1455 unsigned int nr_cpages;
1456 void *rbuf;
1457 struct compress_data *cbuf;
1458 size_t rlen;
1459 size_t clen;
1460 void *private;
1461 void *private2;
1462};
1463
1464
1465struct compress_io_ctx {
1466 u32 magic;
1467 struct inode *inode;
1468 struct page **rpages;
1469 unsigned int nr_rpages;
1470 atomic_t pending_pages;
1471};
1472
1473
1474struct decompress_io_ctx {
1475 u32 magic;
1476 struct inode *inode;
1477 pgoff_t cluster_idx;
1478 unsigned int cluster_size;
1479 unsigned int log_cluster_size;
1480 struct page **rpages;
1481 unsigned int nr_rpages;
1482 struct page **cpages;
1483 unsigned int nr_cpages;
1484 struct page **tpages;
1485 void *rbuf;
1486 struct compress_data *cbuf;
1487 size_t rlen;
1488 size_t clen;
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500 atomic_t remaining_pages;
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513 refcount_t refcnt;
1514
1515 bool failed;
1516 bool need_verity;
1517 void *private;
1518 void *private2;
1519 struct work_struct verity_work;
1520};
1521
1522#define NULL_CLUSTER ((unsigned int)(~0))
1523#define MIN_COMPRESS_LOG_SIZE 2
1524#define MAX_COMPRESS_LOG_SIZE 8
1525#define MAX_COMPRESS_WINDOW_SIZE(log_size) ((PAGE_SIZE) << (log_size))
1526
1527struct f2fs_sb_info {
1528 struct super_block *sb;
1529 struct proc_dir_entry *s_proc;
1530 struct f2fs_super_block *raw_super;
1531 struct rw_semaphore sb_lock;
1532 int valid_super_block;
1533 unsigned long s_flag;
1534 struct mutex writepages;
1535
1536#ifdef CONFIG_BLK_DEV_ZONED
1537 unsigned int blocks_per_blkz;
1538 unsigned int log_blocks_per_blkz;
1539#endif
1540
1541
1542 struct f2fs_nm_info *nm_info;
1543 struct inode *node_inode;
1544
1545
1546 struct f2fs_sm_info *sm_info;
1547
1548
1549 struct f2fs_bio_info *write_io[NR_PAGE_TYPE];
1550
1551 struct rw_semaphore io_order_lock;
1552 mempool_t *write_io_dummy;
1553
1554
1555 struct f2fs_checkpoint *ckpt;
1556 int cur_cp_pack;
1557 spinlock_t cp_lock;
1558 struct inode *meta_inode;
1559 struct rw_semaphore cp_global_sem;
1560 struct rw_semaphore cp_rwsem;
1561 struct rw_semaphore node_write;
1562 struct rw_semaphore node_change;
1563 wait_queue_head_t cp_wait;
1564 unsigned long last_time[MAX_TIME];
1565 long interval_time[MAX_TIME];
1566 struct ckpt_req_control cprc_info;
1567
1568 struct inode_management im[MAX_INO_ENTRY];
1569
1570 spinlock_t fsync_node_lock;
1571 struct list_head fsync_node_list;
1572 unsigned int fsync_seg_id;
1573 unsigned int fsync_node_num;
1574
1575
1576 unsigned int max_orphans;
1577
1578
1579 struct list_head inode_list[NR_INODE_TYPE];
1580 spinlock_t inode_lock[NR_INODE_TYPE];
1581 struct mutex flush_lock;
1582
1583
1584 struct radix_tree_root extent_tree_root;
1585 struct mutex extent_tree_lock;
1586 struct list_head extent_list;
1587 spinlock_t extent_lock;
1588 atomic_t total_ext_tree;
1589 struct list_head zombie_list;
1590 atomic_t total_zombie_tree;
1591 atomic_t total_ext_node;
1592
1593
1594 unsigned int log_sectors_per_block;
1595 unsigned int log_blocksize;
1596 unsigned int blocksize;
1597 unsigned int root_ino_num;
1598 unsigned int node_ino_num;
1599 unsigned int meta_ino_num;
1600 unsigned int log_blocks_per_seg;
1601 unsigned int blocks_per_seg;
1602 unsigned int segs_per_sec;
1603 unsigned int secs_per_zone;
1604 unsigned int total_sections;
1605 unsigned int total_node_count;
1606 unsigned int total_valid_node_count;
1607 int dir_level;
1608 int readdir_ra;
1609 u64 max_io_bytes;
1610
1611 block_t user_block_count;
1612 block_t total_valid_block_count;
1613 block_t discard_blks;
1614 block_t last_valid_block_count;
1615 block_t reserved_blocks;
1616 block_t current_reserved_blocks;
1617
1618
1619 block_t unusable_block_count;
1620
1621 unsigned int nquota_files;
1622 struct rw_semaphore quota_sem;
1623
1624
1625 atomic_t nr_pages[NR_COUNT_TYPE];
1626
1627 struct percpu_counter alloc_valid_block_count;
1628
1629
1630 atomic_t wb_sync_req[META];
1631
1632
1633 struct percpu_counter total_valid_inode_count;
1634
1635 struct f2fs_mount_info mount_opt;
1636
1637
1638 struct rw_semaphore gc_lock;
1639
1640
1641
1642 struct f2fs_gc_kthread *gc_thread;
1643 struct atgc_management am;
1644 unsigned int cur_victim_sec;
1645 unsigned int gc_mode;
1646 unsigned int next_victim_seg[2];
1647
1648
1649 unsigned int atomic_files;
1650 unsigned long long skipped_atomic_files[2];
1651 unsigned long long skipped_gc_rwsem;
1652
1653
1654 u64 gc_pin_file_threshold;
1655 struct rw_semaphore pin_sem;
1656
1657
1658 unsigned int max_victim_search;
1659
1660 unsigned int migration_granularity;
1661
1662
1663
1664
1665
1666#ifdef CONFIG_F2FS_STAT_FS
1667 struct f2fs_stat_info *stat_info;
1668 atomic_t meta_count[META_MAX];
1669 unsigned int segment_count[2];
1670 unsigned int block_count[2];
1671 atomic_t inplace_count;
1672 atomic64_t total_hit_ext;
1673 atomic64_t read_hit_rbtree;
1674 atomic64_t read_hit_largest;
1675 atomic64_t read_hit_cached;
1676 atomic_t inline_xattr;
1677 atomic_t inline_inode;
1678 atomic_t inline_dir;
1679 atomic_t compr_inode;
1680 atomic64_t compr_blocks;
1681 atomic_t vw_cnt;
1682 atomic_t max_aw_cnt;
1683 atomic_t max_vw_cnt;
1684 unsigned int io_skip_bggc;
1685 unsigned int other_skip_bggc;
1686 unsigned int ndirty_inode[NR_INODE_TYPE];
1687#endif
1688 spinlock_t stat_lock;
1689
1690
1691 spinlock_t iostat_lock;
1692 unsigned long long rw_iostat[NR_IO_TYPE];
1693 unsigned long long prev_rw_iostat[NR_IO_TYPE];
1694 bool iostat_enable;
1695 unsigned long iostat_next_period;
1696 unsigned int iostat_period_ms;
1697
1698
1699 unsigned int data_io_flag;
1700 unsigned int node_io_flag;
1701
1702
1703 struct kobject s_kobj;
1704 struct completion s_kobj_unregister;
1705
1706 struct kobject s_stat_kobj;
1707 struct completion s_stat_kobj_unregister;
1708
1709 struct kobject s_feature_list_kobj;
1710 struct completion s_feature_list_kobj_unregister;
1711
1712
1713 struct list_head s_list;
1714 int s_ndevs;
1715 struct f2fs_dev_info *devs;
1716 unsigned int dirty_device;
1717 spinlock_t dev_lock;
1718 struct mutex umount_mutex;
1719 unsigned int shrinker_run_no;
1720
1721
1722 u64 sectors_written_start;
1723 u64 kbytes_written;
1724
1725
1726 struct crypto_shash *s_chksum_driver;
1727
1728
1729 __u32 s_chksum_seed;
1730
1731 struct workqueue_struct *post_read_wq;
1732
1733 struct kmem_cache *inline_xattr_slab;
1734 unsigned int inline_xattr_slab_size;
1735
1736#ifdef CONFIG_F2FS_FS_COMPRESSION
1737 struct kmem_cache *page_array_slab;
1738 unsigned int page_array_slab_size;
1739
1740
1741 u64 compr_written_block;
1742 u64 compr_saved_block;
1743 u32 compr_new_inode;
1744
1745
1746 struct inode *compress_inode;
1747 unsigned int compress_percent;
1748 unsigned int compress_watermark;
1749 atomic_t compress_page_hit;
1750#endif
1751};
1752
1753struct f2fs_private_dio {
1754 struct inode *inode;
1755 void *orig_private;
1756 bio_end_io_t *orig_end_io;
1757 bool write;
1758};
1759
1760#ifdef CONFIG_F2FS_FAULT_INJECTION
1761#define f2fs_show_injection_info(sbi, type) \
1762 printk_ratelimited("%sF2FS-fs (%s) : inject %s in %s of %pS\n", \
1763 KERN_INFO, sbi->sb->s_id, \
1764 f2fs_fault_name[type], \
1765 __func__, __builtin_return_address(0))
1766static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
1767{
1768 struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info;
1769
1770 if (!ffi->inject_rate)
1771 return false;
1772
1773 if (!IS_FAULT_SET(ffi, type))
1774 return false;
1775
1776 atomic_inc(&ffi->inject_ops);
1777 if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) {
1778 atomic_set(&ffi->inject_ops, 0);
1779 return true;
1780 }
1781 return false;
1782}
1783#else
1784#define f2fs_show_injection_info(sbi, type) do { } while (0)
1785static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
1786{
1787 return false;
1788}
1789#endif
1790
1791
1792
1793
1794
1795
1796
1797static inline bool f2fs_is_multi_device(struct f2fs_sb_info *sbi)
1798{
1799 return sbi->s_ndevs > 1;
1800}
1801
1802static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type)
1803{
1804 unsigned long now = jiffies;
1805
1806 sbi->last_time[type] = now;
1807
1808
1809 if (type == REQ_TIME) {
1810 sbi->last_time[DISCARD_TIME] = now;
1811 sbi->last_time[GC_TIME] = now;
1812 }
1813}
1814
1815static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type)
1816{
1817 unsigned long interval = sbi->interval_time[type] * HZ;
1818
1819 return time_after(jiffies, sbi->last_time[type] + interval);
1820}
1821
1822static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info *sbi,
1823 int type)
1824{
1825 unsigned long interval = sbi->interval_time[type] * HZ;
1826 unsigned int wait_ms = 0;
1827 long delta;
1828
1829 delta = (sbi->last_time[type] + interval) - jiffies;
1830 if (delta > 0)
1831 wait_ms = jiffies_to_msecs(delta);
1832
1833 return wait_ms;
1834}
1835
1836
1837
1838
1839static inline u32 __f2fs_crc32(struct f2fs_sb_info *sbi, u32 crc,
1840 const void *address, unsigned int length)
1841{
1842 struct {
1843 struct shash_desc shash;
1844 char ctx[4];
1845 } desc;
1846 int err;
1847
1848 BUG_ON(crypto_shash_descsize(sbi->s_chksum_driver) != sizeof(desc.ctx));
1849
1850 desc.shash.tfm = sbi->s_chksum_driver;
1851 *(u32 *)desc.ctx = crc;
1852
1853 err = crypto_shash_update(&desc.shash, address, length);
1854 BUG_ON(err);
1855
1856 return *(u32 *)desc.ctx;
1857}
1858
1859static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address,
1860 unsigned int length)
1861{
1862 return __f2fs_crc32(sbi, F2FS_SUPER_MAGIC, address, length);
1863}
1864
1865static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc,
1866 void *buf, size_t buf_size)
1867{
1868 return f2fs_crc32(sbi, buf, buf_size) == blk_crc;
1869}
1870
1871static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc,
1872 const void *address, unsigned int length)
1873{
1874 return __f2fs_crc32(sbi, crc, address, length);
1875}
1876
1877static inline struct f2fs_inode_info *F2FS_I(struct inode *inode)
1878{
1879 return container_of(inode, struct f2fs_inode_info, vfs_inode);
1880}
1881
1882static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb)
1883{
1884 return sb->s_fs_info;
1885}
1886
1887static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode)
1888{
1889 return F2FS_SB(inode->i_sb);
1890}
1891
1892static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping)
1893{
1894 return F2FS_I_SB(mapping->host);
1895}
1896
1897static inline struct f2fs_sb_info *F2FS_P_SB(struct page *page)
1898{
1899 return F2FS_M_SB(page_file_mapping(page));
1900}
1901
1902static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi)
1903{
1904 return (struct f2fs_super_block *)(sbi->raw_super);
1905}
1906
1907static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi)
1908{
1909 return (struct f2fs_checkpoint *)(sbi->ckpt);
1910}
1911
1912static inline struct f2fs_node *F2FS_NODE(struct page *page)
1913{
1914 return (struct f2fs_node *)page_address(page);
1915}
1916
1917static inline struct f2fs_inode *F2FS_INODE(struct page *page)
1918{
1919 return &((struct f2fs_node *)page_address(page))->i;
1920}
1921
1922static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi)
1923{
1924 return (struct f2fs_nm_info *)(sbi->nm_info);
1925}
1926
1927static inline struct f2fs_sm_info *SM_I(struct f2fs_sb_info *sbi)
1928{
1929 return (struct f2fs_sm_info *)(sbi->sm_info);
1930}
1931
1932static inline struct sit_info *SIT_I(struct f2fs_sb_info *sbi)
1933{
1934 return (struct sit_info *)(SM_I(sbi)->sit_info);
1935}
1936
1937static inline struct free_segmap_info *FREE_I(struct f2fs_sb_info *sbi)
1938{
1939 return (struct free_segmap_info *)(SM_I(sbi)->free_info);
1940}
1941
1942static inline struct dirty_seglist_info *DIRTY_I(struct f2fs_sb_info *sbi)
1943{
1944 return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info);
1945}
1946
1947static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi)
1948{
1949 return sbi->meta_inode->i_mapping;
1950}
1951
1952static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi)
1953{
1954 return sbi->node_inode->i_mapping;
1955}
1956
1957static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type)
1958{
1959 return test_bit(type, &sbi->s_flag);
1960}
1961
1962static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type)
1963{
1964 set_bit(type, &sbi->s_flag);
1965}
1966
1967static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type)
1968{
1969 clear_bit(type, &sbi->s_flag);
1970}
1971
1972static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp)
1973{
1974 return le64_to_cpu(cp->checkpoint_ver);
1975}
1976
1977static inline unsigned long f2fs_qf_ino(struct super_block *sb, int type)
1978{
1979 if (type < F2FS_MAX_QUOTAS)
1980 return le32_to_cpu(F2FS_SB(sb)->raw_super->qf_ino[type]);
1981 return 0;
1982}
1983
1984static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp)
1985{
1986 size_t crc_offset = le32_to_cpu(cp->checksum_offset);
1987 return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset)));
1988}
1989
1990static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
1991{
1992 unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags);
1993
1994 return ckpt_flags & f;
1995}
1996
1997static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
1998{
1999 return __is_set_ckpt_flags(F2FS_CKPT(sbi), f);
2000}
2001
2002static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
2003{
2004 unsigned int ckpt_flags;
2005
2006 ckpt_flags = le32_to_cpu(cp->ckpt_flags);
2007 ckpt_flags |= f;
2008 cp->ckpt_flags = cpu_to_le32(ckpt_flags);
2009}
2010
2011static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
2012{
2013 unsigned long flags;
2014
2015 spin_lock_irqsave(&sbi->cp_lock, flags);
2016 __set_ckpt_flags(F2FS_CKPT(sbi), f);
2017 spin_unlock_irqrestore(&sbi->cp_lock, flags);
2018}
2019
2020static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
2021{
2022 unsigned int ckpt_flags;
2023
2024 ckpt_flags = le32_to_cpu(cp->ckpt_flags);
2025 ckpt_flags &= (~f);
2026 cp->ckpt_flags = cpu_to_le32(ckpt_flags);
2027}
2028
2029static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
2030{
2031 unsigned long flags;
2032
2033 spin_lock_irqsave(&sbi->cp_lock, flags);
2034 __clear_ckpt_flags(F2FS_CKPT(sbi), f);
2035 spin_unlock_irqrestore(&sbi->cp_lock, flags);
2036}
2037
2038static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock)
2039{
2040 unsigned long flags;
2041 unsigned char *nat_bits;
2042
2043
2044
2045
2046
2047
2048
2049 if (lock)
2050 spin_lock_irqsave(&sbi->cp_lock, flags);
2051 __clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG);
2052 nat_bits = NM_I(sbi)->nat_bits;
2053 NM_I(sbi)->nat_bits = NULL;
2054 if (lock)
2055 spin_unlock_irqrestore(&sbi->cp_lock, flags);
2056
2057 kvfree(nat_bits);
2058}
2059
2060static inline bool enabled_nat_bits(struct f2fs_sb_info *sbi,
2061 struct cp_control *cpc)
2062{
2063 bool set = is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
2064
2065 return (cpc) ? (cpc->reason & CP_UMOUNT) && set : set;
2066}
2067
2068static inline void f2fs_lock_op(struct f2fs_sb_info *sbi)
2069{
2070 down_read(&sbi->cp_rwsem);
2071}
2072
2073static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi)
2074{
2075 return down_read_trylock(&sbi->cp_rwsem);
2076}
2077
2078static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi)
2079{
2080 up_read(&sbi->cp_rwsem);
2081}
2082
2083static inline void f2fs_lock_all(struct f2fs_sb_info *sbi)
2084{
2085 down_write(&sbi->cp_rwsem);
2086}
2087
2088static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi)
2089{
2090 up_write(&sbi->cp_rwsem);
2091}
2092
2093static inline int __get_cp_reason(struct f2fs_sb_info *sbi)
2094{
2095 int reason = CP_SYNC;
2096
2097 if (test_opt(sbi, FASTBOOT))
2098 reason = CP_FASTBOOT;
2099 if (is_sbi_flag_set(sbi, SBI_IS_CLOSE))
2100 reason = CP_UMOUNT;
2101 return reason;
2102}
2103
2104static inline bool __remain_node_summaries(int reason)
2105{
2106 return (reason & (CP_UMOUNT | CP_FASTBOOT));
2107}
2108
2109static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi)
2110{
2111 return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) ||
2112 is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG));
2113}
2114
2115
2116
2117
2118static inline int F2FS_HAS_BLOCKS(struct inode *inode)
2119{
2120 block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0;
2121
2122 return (inode->i_blocks >> F2FS_LOG_SECTORS_PER_BLOCK) > xattr_block;
2123}
2124
2125static inline bool f2fs_has_xattr_block(unsigned int ofs)
2126{
2127 return ofs == XATTR_NODE_OFFSET;
2128}
2129
2130static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi,
2131 struct inode *inode, bool cap)
2132{
2133 if (!inode)
2134 return true;
2135 if (!test_opt(sbi, RESERVE_ROOT))
2136 return false;
2137 if (IS_NOQUOTA(inode))
2138 return true;
2139 if (uid_eq(F2FS_OPTION(sbi).s_resuid, current_fsuid()))
2140 return true;
2141 if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) &&
2142 in_group_p(F2FS_OPTION(sbi).s_resgid))
2143 return true;
2144 if (cap && capable(CAP_SYS_RESOURCE))
2145 return true;
2146 return false;
2147}
2148
2149static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool);
2150static inline int inc_valid_block_count(struct f2fs_sb_info *sbi,
2151 struct inode *inode, blkcnt_t *count)
2152{
2153 blkcnt_t diff = 0, release = 0;
2154 block_t avail_user_block_count;
2155 int ret;
2156
2157 ret = dquot_reserve_block(inode, *count);
2158 if (ret)
2159 return ret;
2160
2161 if (time_to_inject(sbi, FAULT_BLOCK)) {
2162 f2fs_show_injection_info(sbi, FAULT_BLOCK);
2163 release = *count;
2164 goto release_quota;
2165 }
2166
2167
2168
2169
2170
2171 percpu_counter_add(&sbi->alloc_valid_block_count, (*count));
2172
2173 spin_lock(&sbi->stat_lock);
2174 sbi->total_valid_block_count += (block_t)(*count);
2175 avail_user_block_count = sbi->user_block_count -
2176 sbi->current_reserved_blocks;
2177
2178 if (!__allow_reserved_blocks(sbi, inode, true))
2179 avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks;
2180 if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
2181 if (avail_user_block_count > sbi->unusable_block_count)
2182 avail_user_block_count -= sbi->unusable_block_count;
2183 else
2184 avail_user_block_count = 0;
2185 }
2186 if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) {
2187 diff = sbi->total_valid_block_count - avail_user_block_count;
2188 if (diff > *count)
2189 diff = *count;
2190 *count -= diff;
2191 release = diff;
2192 sbi->total_valid_block_count -= diff;
2193 if (!*count) {
2194 spin_unlock(&sbi->stat_lock);
2195 goto enospc;
2196 }
2197 }
2198 spin_unlock(&sbi->stat_lock);
2199
2200 if (unlikely(release)) {
2201 percpu_counter_sub(&sbi->alloc_valid_block_count, release);
2202 dquot_release_reservation_block(inode, release);
2203 }
2204 f2fs_i_blocks_write(inode, *count, true, true);
2205 return 0;
2206
2207enospc:
2208 percpu_counter_sub(&sbi->alloc_valid_block_count, release);
2209release_quota:
2210 dquot_release_reservation_block(inode, release);
2211 return -ENOSPC;
2212}
2213
2214__printf(2, 3)
2215void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...);
2216
2217#define f2fs_err(sbi, fmt, ...) \
2218 f2fs_printk(sbi, KERN_ERR fmt, ##__VA_ARGS__)
2219#define f2fs_warn(sbi, fmt, ...) \
2220 f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__)
2221#define f2fs_notice(sbi, fmt, ...) \
2222 f2fs_printk(sbi, KERN_NOTICE fmt, ##__VA_ARGS__)
2223#define f2fs_info(sbi, fmt, ...) \
2224 f2fs_printk(sbi, KERN_INFO fmt, ##__VA_ARGS__)
2225#define f2fs_debug(sbi, fmt, ...) \
2226 f2fs_printk(sbi, KERN_DEBUG fmt, ##__VA_ARGS__)
2227
2228static inline void dec_valid_block_count(struct f2fs_sb_info *sbi,
2229 struct inode *inode,
2230 block_t count)
2231{
2232 blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK;
2233
2234 spin_lock(&sbi->stat_lock);
2235 f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count);
2236 sbi->total_valid_block_count -= (block_t)count;
2237 if (sbi->reserved_blocks &&
2238 sbi->current_reserved_blocks < sbi->reserved_blocks)
2239 sbi->current_reserved_blocks = min(sbi->reserved_blocks,
2240 sbi->current_reserved_blocks + count);
2241 spin_unlock(&sbi->stat_lock);
2242 if (unlikely(inode->i_blocks < sectors)) {
2243 f2fs_warn(sbi, "Inconsistent i_blocks, ino:%lu, iblocks:%llu, sectors:%llu",
2244 inode->i_ino,
2245 (unsigned long long)inode->i_blocks,
2246 (unsigned long long)sectors);
2247 set_sbi_flag(sbi, SBI_NEED_FSCK);
2248 return;
2249 }
2250 f2fs_i_blocks_write(inode, count, false, true);
2251}
2252
2253static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type)
2254{
2255 atomic_inc(&sbi->nr_pages[count_type]);
2256
2257 if (count_type == F2FS_DIRTY_DENTS ||
2258 count_type == F2FS_DIRTY_NODES ||
2259 count_type == F2FS_DIRTY_META ||
2260 count_type == F2FS_DIRTY_QDATA ||
2261 count_type == F2FS_DIRTY_IMETA)
2262 set_sbi_flag(sbi, SBI_IS_DIRTY);
2263}
2264
2265static inline void inode_inc_dirty_pages(struct inode *inode)
2266{
2267 atomic_inc(&F2FS_I(inode)->dirty_pages);
2268 inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?
2269 F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);
2270 if (IS_NOQUOTA(inode))
2271 inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA);
2272}
2273
2274static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type)
2275{
2276 atomic_dec(&sbi->nr_pages[count_type]);
2277}
2278
2279static inline void inode_dec_dirty_pages(struct inode *inode)
2280{
2281 if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) &&
2282 !S_ISLNK(inode->i_mode))
2283 return;
2284
2285 atomic_dec(&F2FS_I(inode)->dirty_pages);
2286 dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?
2287 F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);
2288 if (IS_NOQUOTA(inode))
2289 dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA);
2290}
2291
2292static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type)
2293{
2294 return atomic_read(&sbi->nr_pages[count_type]);
2295}
2296
2297static inline int get_dirty_pages(struct inode *inode)
2298{
2299 return atomic_read(&F2FS_I(inode)->dirty_pages);
2300}
2301
2302static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type)
2303{
2304 unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg;
2305 unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >>
2306 sbi->log_blocks_per_seg;
2307
2308 return segs / sbi->segs_per_sec;
2309}
2310
2311static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi)
2312{
2313 return sbi->total_valid_block_count;
2314}
2315
2316static inline block_t discard_blocks(struct f2fs_sb_info *sbi)
2317{
2318 return sbi->discard_blks;
2319}
2320
2321static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag)
2322{
2323 struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
2324
2325
2326 if (flag == NAT_BITMAP)
2327 return le32_to_cpu(ckpt->nat_ver_bitmap_bytesize);
2328 else if (flag == SIT_BITMAP)
2329 return le32_to_cpu(ckpt->sit_ver_bitmap_bytesize);
2330
2331 return 0;
2332}
2333
2334static inline block_t __cp_payload(struct f2fs_sb_info *sbi)
2335{
2336 return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload);
2337}
2338
2339static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag)
2340{
2341 struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
2342 void *tmp_ptr = &ckpt->sit_nat_version_bitmap;
2343 int offset;
2344
2345 if (is_set_ckpt_flags(sbi, CP_LARGE_NAT_BITMAP_FLAG)) {
2346 offset = (flag == SIT_BITMAP) ?
2347 le32_to_cpu(ckpt->nat_ver_bitmap_bytesize) : 0;
2348
2349
2350
2351
2352 return tmp_ptr + offset + sizeof(__le32);
2353 }
2354
2355 if (__cp_payload(sbi) > 0) {
2356 if (flag == NAT_BITMAP)
2357 return &ckpt->sit_nat_version_bitmap;
2358 else
2359 return (unsigned char *)ckpt + F2FS_BLKSIZE;
2360 } else {
2361 offset = (flag == NAT_BITMAP) ?
2362 le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0;
2363 return tmp_ptr + offset;
2364 }
2365}
2366
2367static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi)
2368{
2369 block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);
2370
2371 if (sbi->cur_cp_pack == 2)
2372 start_addr += sbi->blocks_per_seg;
2373 return start_addr;
2374}
2375
2376static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi)
2377{
2378 block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);
2379
2380 if (sbi->cur_cp_pack == 1)
2381 start_addr += sbi->blocks_per_seg;
2382 return start_addr;
2383}
2384
2385static inline void __set_cp_next_pack(struct f2fs_sb_info *sbi)
2386{
2387 sbi->cur_cp_pack = (sbi->cur_cp_pack == 1) ? 2 : 1;
2388}
2389
2390static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi)
2391{
2392 return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum);
2393}
2394
2395static inline int inc_valid_node_count(struct f2fs_sb_info *sbi,
2396 struct inode *inode, bool is_inode)
2397{
2398 block_t valid_block_count;
2399 unsigned int valid_node_count, user_block_count;
2400 int err;
2401
2402 if (is_inode) {
2403 if (inode) {
2404 err = dquot_alloc_inode(inode);
2405 if (err)
2406 return err;
2407 }
2408 } else {
2409 err = dquot_reserve_block(inode, 1);
2410 if (err)
2411 return err;
2412 }
2413
2414 if (time_to_inject(sbi, FAULT_BLOCK)) {
2415 f2fs_show_injection_info(sbi, FAULT_BLOCK);
2416 goto enospc;
2417 }
2418
2419 spin_lock(&sbi->stat_lock);
2420
2421 valid_block_count = sbi->total_valid_block_count +
2422 sbi->current_reserved_blocks + 1;
2423
2424 if (!__allow_reserved_blocks(sbi, inode, false))
2425 valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks;
2426 user_block_count = sbi->user_block_count;
2427 if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
2428 user_block_count -= sbi->unusable_block_count;
2429
2430 if (unlikely(valid_block_count > user_block_count)) {
2431 spin_unlock(&sbi->stat_lock);
2432 goto enospc;
2433 }
2434
2435 valid_node_count = sbi->total_valid_node_count + 1;
2436 if (unlikely(valid_node_count > sbi->total_node_count)) {
2437 spin_unlock(&sbi->stat_lock);
2438 goto enospc;
2439 }
2440
2441 sbi->total_valid_node_count++;
2442 sbi->total_valid_block_count++;
2443 spin_unlock(&sbi->stat_lock);
2444
2445 if (inode) {
2446 if (is_inode)
2447 f2fs_mark_inode_dirty_sync(inode, true);
2448 else
2449 f2fs_i_blocks_write(inode, 1, true, true);
2450 }
2451
2452 percpu_counter_inc(&sbi->alloc_valid_block_count);
2453 return 0;
2454
2455enospc:
2456 if (is_inode) {
2457 if (inode)
2458 dquot_free_inode(inode);
2459 } else {
2460 dquot_release_reservation_block(inode, 1);
2461 }
2462 return -ENOSPC;
2463}
2464
2465static inline void dec_valid_node_count(struct f2fs_sb_info *sbi,
2466 struct inode *inode, bool is_inode)
2467{
2468 spin_lock(&sbi->stat_lock);
2469
2470 f2fs_bug_on(sbi, !sbi->total_valid_block_count);
2471 f2fs_bug_on(sbi, !sbi->total_valid_node_count);
2472
2473 sbi->total_valid_node_count--;
2474 sbi->total_valid_block_count--;
2475 if (sbi->reserved_blocks &&
2476 sbi->current_reserved_blocks < sbi->reserved_blocks)
2477 sbi->current_reserved_blocks++;
2478
2479 spin_unlock(&sbi->stat_lock);
2480
2481 if (is_inode) {
2482 dquot_free_inode(inode);
2483 } else {
2484 if (unlikely(inode->i_blocks == 0)) {
2485 f2fs_warn(sbi, "dec_valid_node_count: inconsistent i_blocks, ino:%lu, iblocks:%llu",
2486 inode->i_ino,
2487 (unsigned long long)inode->i_blocks);
2488 set_sbi_flag(sbi, SBI_NEED_FSCK);
2489 return;
2490 }
2491 f2fs_i_blocks_write(inode, 1, false, true);
2492 }
2493}
2494
2495static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi)
2496{
2497 return sbi->total_valid_node_count;
2498}
2499
2500static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi)
2501{
2502 percpu_counter_inc(&sbi->total_valid_inode_count);
2503}
2504
2505static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi)
2506{
2507 percpu_counter_dec(&sbi->total_valid_inode_count);
2508}
2509
2510static inline s64 valid_inode_count(struct f2fs_sb_info *sbi)
2511{
2512 return percpu_counter_sum_positive(&sbi->total_valid_inode_count);
2513}
2514
2515static inline struct page *f2fs_grab_cache_page(struct address_space *mapping,
2516 pgoff_t index, bool for_write)
2517{
2518 struct page *page;
2519
2520 if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION)) {
2521 if (!for_write)
2522 page = find_get_page_flags(mapping, index,
2523 FGP_LOCK | FGP_ACCESSED);
2524 else
2525 page = find_lock_page(mapping, index);
2526 if (page)
2527 return page;
2528
2529 if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) {
2530 f2fs_show_injection_info(F2FS_M_SB(mapping),
2531 FAULT_PAGE_ALLOC);
2532 return NULL;
2533 }
2534 }
2535
2536 if (!for_write)
2537 return grab_cache_page(mapping, index);
2538 return grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS);
2539}
2540
2541static inline struct page *f2fs_pagecache_get_page(
2542 struct address_space *mapping, pgoff_t index,
2543 int fgp_flags, gfp_t gfp_mask)
2544{
2545 if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET)) {
2546 f2fs_show_injection_info(F2FS_M_SB(mapping), FAULT_PAGE_GET);
2547 return NULL;
2548 }
2549
2550 return pagecache_get_page(mapping, index, fgp_flags, gfp_mask);
2551}
2552
2553static inline void f2fs_copy_page(struct page *src, struct page *dst)
2554{
2555 char *src_kaddr = kmap(src);
2556 char *dst_kaddr = kmap(dst);
2557
2558 memcpy(dst_kaddr, src_kaddr, PAGE_SIZE);
2559 kunmap(dst);
2560 kunmap(src);
2561}
2562
2563static inline void f2fs_put_page(struct page *page, int unlock)
2564{
2565 if (!page)
2566 return;
2567
2568 if (unlock) {
2569 f2fs_bug_on(F2FS_P_SB(page), !PageLocked(page));
2570 unlock_page(page);
2571 }
2572 put_page(page);
2573}
2574
2575static inline void f2fs_put_dnode(struct dnode_of_data *dn)
2576{
2577 if (dn->node_page)
2578 f2fs_put_page(dn->node_page, 1);
2579 if (dn->inode_page && dn->node_page != dn->inode_page)
2580 f2fs_put_page(dn->inode_page, 0);
2581 dn->node_page = NULL;
2582 dn->inode_page = NULL;
2583}
2584
2585static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name,
2586 size_t size)
2587{
2588 return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL);
2589}
2590
2591static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep,
2592 gfp_t flags)
2593{
2594 void *entry;
2595
2596 entry = kmem_cache_alloc(cachep, flags);
2597 if (!entry)
2598 entry = kmem_cache_alloc(cachep, flags | __GFP_NOFAIL);
2599 return entry;
2600}
2601
2602static inline bool is_inflight_io(struct f2fs_sb_info *sbi, int type)
2603{
2604 if (get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_RD_NODE) ||
2605 get_pages(sbi, F2FS_RD_META) || get_pages(sbi, F2FS_WB_DATA) ||
2606 get_pages(sbi, F2FS_WB_CP_DATA) ||
2607 get_pages(sbi, F2FS_DIO_READ) ||
2608 get_pages(sbi, F2FS_DIO_WRITE))
2609 return true;
2610
2611 if (type != DISCARD_TIME && SM_I(sbi) && SM_I(sbi)->dcc_info &&
2612 atomic_read(&SM_I(sbi)->dcc_info->queued_discard))
2613 return true;
2614
2615 if (SM_I(sbi) && SM_I(sbi)->fcc_info &&
2616 atomic_read(&SM_I(sbi)->fcc_info->queued_flush))
2617 return true;
2618 return false;
2619}
2620
2621static inline bool is_idle(struct f2fs_sb_info *sbi, int type)
2622{
2623 if (sbi->gc_mode == GC_URGENT_HIGH)
2624 return true;
2625
2626 if (is_inflight_io(sbi, type))
2627 return false;
2628
2629 if (sbi->gc_mode == GC_URGENT_LOW &&
2630 (type == DISCARD_TIME || type == GC_TIME))
2631 return true;
2632
2633 return f2fs_time_over(sbi, type);
2634}
2635
2636static inline void f2fs_radix_tree_insert(struct radix_tree_root *root,
2637 unsigned long index, void *item)
2638{
2639 while (radix_tree_insert(root, index, item))
2640 cond_resched();
2641}
2642
2643#define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino)
2644
2645static inline bool IS_INODE(struct page *page)
2646{
2647 struct f2fs_node *p = F2FS_NODE(page);
2648
2649 return RAW_IS_INODE(p);
2650}
2651
2652static inline int offset_in_addr(struct f2fs_inode *i)
2653{
2654 return (i->i_inline & F2FS_EXTRA_ATTR) ?
2655 (le16_to_cpu(i->i_extra_isize) / sizeof(__le32)) : 0;
2656}
2657
2658static inline __le32 *blkaddr_in_node(struct f2fs_node *node)
2659{
2660 return RAW_IS_INODE(node) ? node->i.i_addr : node->dn.addr;
2661}
2662
2663static inline int f2fs_has_extra_attr(struct inode *inode);
2664static inline block_t data_blkaddr(struct inode *inode,
2665 struct page *node_page, unsigned int offset)
2666{
2667 struct f2fs_node *raw_node;
2668 __le32 *addr_array;
2669 int base = 0;
2670 bool is_inode = IS_INODE(node_page);
2671
2672 raw_node = F2FS_NODE(node_page);
2673
2674 if (is_inode) {
2675 if (!inode)
2676
2677 base = offset_in_addr(&raw_node->i);
2678 else if (f2fs_has_extra_attr(inode))
2679 base = get_extra_isize(inode);
2680 }
2681
2682 addr_array = blkaddr_in_node(raw_node);
2683 return le32_to_cpu(addr_array[base + offset]);
2684}
2685
2686static inline block_t f2fs_data_blkaddr(struct dnode_of_data *dn)
2687{
2688 return data_blkaddr(dn->inode, dn->node_page, dn->ofs_in_node);
2689}
2690
2691static inline int f2fs_test_bit(unsigned int nr, char *addr)
2692{
2693 int mask;
2694
2695 addr += (nr >> 3);
2696 mask = 1 << (7 - (nr & 0x07));
2697 return mask & *addr;
2698}
2699
2700static inline void f2fs_set_bit(unsigned int nr, char *addr)
2701{
2702 int mask;
2703
2704 addr += (nr >> 3);
2705 mask = 1 << (7 - (nr & 0x07));
2706 *addr |= mask;
2707}
2708
2709static inline void f2fs_clear_bit(unsigned int nr, char *addr)
2710{
2711 int mask;
2712
2713 addr += (nr >> 3);
2714 mask = 1 << (7 - (nr & 0x07));
2715 *addr &= ~mask;
2716}
2717
2718static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr)
2719{
2720 int mask;
2721 int ret;
2722
2723 addr += (nr >> 3);
2724 mask = 1 << (7 - (nr & 0x07));
2725 ret = mask & *addr;
2726 *addr |= mask;
2727 return ret;
2728}
2729
2730static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr)
2731{
2732 int mask;
2733 int ret;
2734
2735 addr += (nr >> 3);
2736 mask = 1 << (7 - (nr & 0x07));
2737 ret = mask & *addr;
2738 *addr &= ~mask;
2739 return ret;
2740}
2741
2742static inline void f2fs_change_bit(unsigned int nr, char *addr)
2743{
2744 int mask;
2745
2746 addr += (nr >> 3);
2747 mask = 1 << (7 - (nr & 0x07));
2748 *addr ^= mask;
2749}
2750
2751
2752
2753
2754#define F2FS_COMPR_FL 0x00000004
2755#define F2FS_SYNC_FL 0x00000008
2756#define F2FS_IMMUTABLE_FL 0x00000010
2757#define F2FS_APPEND_FL 0x00000020
2758#define F2FS_NODUMP_FL 0x00000040
2759#define F2FS_NOATIME_FL 0x00000080
2760#define F2FS_NOCOMP_FL 0x00000400
2761#define F2FS_INDEX_FL 0x00001000
2762#define F2FS_DIRSYNC_FL 0x00010000
2763#define F2FS_PROJINHERIT_FL 0x20000000
2764#define F2FS_CASEFOLD_FL 0x40000000
2765
2766
2767#define F2FS_FL_INHERITED (F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL | \
2768 F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
2769 F2FS_CASEFOLD_FL | F2FS_COMPR_FL | F2FS_NOCOMP_FL)
2770
2771
2772#define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
2773 F2FS_CASEFOLD_FL))
2774
2775
2776#define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL)
2777
2778static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags)
2779{
2780 if (S_ISDIR(mode))
2781 return flags;
2782 else if (S_ISREG(mode))
2783 return flags & F2FS_REG_FLMASK;
2784 else
2785 return flags & F2FS_OTHER_FLMASK;
2786}
2787
2788static inline void __mark_inode_dirty_flag(struct inode *inode,
2789 int flag, bool set)
2790{
2791 switch (flag) {
2792 case FI_INLINE_XATTR:
2793 case FI_INLINE_DATA:
2794 case FI_INLINE_DENTRY:
2795 case FI_NEW_INODE:
2796 if (set)
2797 return;
2798 fallthrough;
2799 case FI_DATA_EXIST:
2800 case FI_INLINE_DOTS:
2801 case FI_PIN_FILE:
2802 case FI_COMPRESS_RELEASED:
2803 f2fs_mark_inode_dirty_sync(inode, true);
2804 }
2805}
2806
2807static inline void set_inode_flag(struct inode *inode, int flag)
2808{
2809 set_bit(flag, F2FS_I(inode)->flags);
2810 __mark_inode_dirty_flag(inode, flag, true);
2811}
2812
2813static inline int is_inode_flag_set(struct inode *inode, int flag)
2814{
2815 return test_bit(flag, F2FS_I(inode)->flags);
2816}
2817
2818static inline void clear_inode_flag(struct inode *inode, int flag)
2819{
2820 clear_bit(flag, F2FS_I(inode)->flags);
2821 __mark_inode_dirty_flag(inode, flag, false);
2822}
2823
2824static inline bool f2fs_verity_in_progress(struct inode *inode)
2825{
2826 return IS_ENABLED(CONFIG_FS_VERITY) &&
2827 is_inode_flag_set(inode, FI_VERITY_IN_PROGRESS);
2828}
2829
2830static inline void set_acl_inode(struct inode *inode, umode_t mode)
2831{
2832 F2FS_I(inode)->i_acl_mode = mode;
2833 set_inode_flag(inode, FI_ACL_MODE);
2834 f2fs_mark_inode_dirty_sync(inode, false);
2835}
2836
2837static inline void f2fs_i_links_write(struct inode *inode, bool inc)
2838{
2839 if (inc)
2840 inc_nlink(inode);
2841 else
2842 drop_nlink(inode);
2843 f2fs_mark_inode_dirty_sync(inode, true);
2844}
2845
2846static inline void f2fs_i_blocks_write(struct inode *inode,
2847 block_t diff, bool add, bool claim)
2848{
2849 bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE);
2850 bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER);
2851
2852
2853 if (add) {
2854 if (claim)
2855 dquot_claim_block(inode, diff);
2856 else
2857 dquot_alloc_block_nofail(inode, diff);
2858 } else {
2859 dquot_free_block(inode, diff);
2860 }
2861
2862 f2fs_mark_inode_dirty_sync(inode, true);
2863 if (clean || recover)
2864 set_inode_flag(inode, FI_AUTO_RECOVER);
2865}
2866
2867static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size)
2868{
2869 bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE);
2870 bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER);
2871
2872 if (i_size_read(inode) == i_size)
2873 return;
2874
2875 i_size_write(inode, i_size);
2876 f2fs_mark_inode_dirty_sync(inode, true);
2877 if (clean || recover)
2878 set_inode_flag(inode, FI_AUTO_RECOVER);
2879}
2880
2881static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth)
2882{
2883 F2FS_I(inode)->i_current_depth = depth;
2884 f2fs_mark_inode_dirty_sync(inode, true);
2885}
2886
2887static inline void f2fs_i_gc_failures_write(struct inode *inode,
2888 unsigned int count)
2889{
2890 F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN] = count;
2891 f2fs_mark_inode_dirty_sync(inode, true);
2892}
2893
2894static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid)
2895{
2896 F2FS_I(inode)->i_xattr_nid = xnid;
2897 f2fs_mark_inode_dirty_sync(inode, true);
2898}
2899
2900static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino)
2901{
2902 F2FS_I(inode)->i_pino = pino;
2903 f2fs_mark_inode_dirty_sync(inode, true);
2904}
2905
2906static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri)
2907{
2908 struct f2fs_inode_info *fi = F2FS_I(inode);
2909
2910 if (ri->i_inline & F2FS_INLINE_XATTR)
2911 set_bit(FI_INLINE_XATTR, fi->flags);
2912 if (ri->i_inline & F2FS_INLINE_DATA)
2913 set_bit(FI_INLINE_DATA, fi->flags);
2914 if (ri->i_inline & F2FS_INLINE_DENTRY)
2915 set_bit(FI_INLINE_DENTRY, fi->flags);
2916 if (ri->i_inline & F2FS_DATA_EXIST)
2917 set_bit(FI_DATA_EXIST, fi->flags);
2918 if (ri->i_inline & F2FS_INLINE_DOTS)
2919 set_bit(FI_INLINE_DOTS, fi->flags);
2920 if (ri->i_inline & F2FS_EXTRA_ATTR)
2921 set_bit(FI_EXTRA_ATTR, fi->flags);
2922 if (ri->i_inline & F2FS_PIN_FILE)
2923 set_bit(FI_PIN_FILE, fi->flags);
2924 if (ri->i_inline & F2FS_COMPRESS_RELEASED)
2925 set_bit(FI_COMPRESS_RELEASED, fi->flags);
2926}
2927
2928static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri)
2929{
2930 ri->i_inline = 0;
2931
2932 if (is_inode_flag_set(inode, FI_INLINE_XATTR))
2933 ri->i_inline |= F2FS_INLINE_XATTR;
2934 if (is_inode_flag_set(inode, FI_INLINE_DATA))
2935 ri->i_inline |= F2FS_INLINE_DATA;
2936 if (is_inode_flag_set(inode, FI_INLINE_DENTRY))
2937 ri->i_inline |= F2FS_INLINE_DENTRY;
2938 if (is_inode_flag_set(inode, FI_DATA_EXIST))
2939 ri->i_inline |= F2FS_DATA_EXIST;
2940 if (is_inode_flag_set(inode, FI_INLINE_DOTS))
2941 ri->i_inline |= F2FS_INLINE_DOTS;
2942 if (is_inode_flag_set(inode, FI_EXTRA_ATTR))
2943 ri->i_inline |= F2FS_EXTRA_ATTR;
2944 if (is_inode_flag_set(inode, FI_PIN_FILE))
2945 ri->i_inline |= F2FS_PIN_FILE;
2946 if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED))
2947 ri->i_inline |= F2FS_COMPRESS_RELEASED;
2948}
2949
2950static inline int f2fs_has_extra_attr(struct inode *inode)
2951{
2952 return is_inode_flag_set(inode, FI_EXTRA_ATTR);
2953}
2954
2955static inline int f2fs_has_inline_xattr(struct inode *inode)
2956{
2957 return is_inode_flag_set(inode, FI_INLINE_XATTR);
2958}
2959
2960static inline int f2fs_compressed_file(struct inode *inode)
2961{
2962 return S_ISREG(inode->i_mode) &&
2963 is_inode_flag_set(inode, FI_COMPRESSED_FILE);
2964}
2965
2966static inline bool f2fs_need_compress_data(struct inode *inode)
2967{
2968 int compress_mode = F2FS_OPTION(F2FS_I_SB(inode)).compress_mode;
2969
2970 if (!f2fs_compressed_file(inode))
2971 return false;
2972
2973 if (compress_mode == COMPR_MODE_FS)
2974 return true;
2975 else if (compress_mode == COMPR_MODE_USER &&
2976 is_inode_flag_set(inode, FI_ENABLE_COMPRESS))
2977 return true;
2978
2979 return false;
2980}
2981
2982static inline unsigned int addrs_per_inode(struct inode *inode)
2983{
2984 unsigned int addrs = CUR_ADDRS_PER_INODE(inode) -
2985 get_inline_xattr_addrs(inode);
2986
2987 if (!f2fs_compressed_file(inode))
2988 return addrs;
2989 return ALIGN_DOWN(addrs, F2FS_I(inode)->i_cluster_size);
2990}
2991
2992static inline unsigned int addrs_per_block(struct inode *inode)
2993{
2994 if (!f2fs_compressed_file(inode))
2995 return DEF_ADDRS_PER_BLOCK;
2996 return ALIGN_DOWN(DEF_ADDRS_PER_BLOCK, F2FS_I(inode)->i_cluster_size);
2997}
2998
2999static inline void *inline_xattr_addr(struct inode *inode, struct page *page)
3000{
3001 struct f2fs_inode *ri = F2FS_INODE(page);
3002
3003 return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE -
3004 get_inline_xattr_addrs(inode)]);
3005}
3006
3007static inline int inline_xattr_size(struct inode *inode)
3008{
3009 if (f2fs_has_inline_xattr(inode))
3010 return get_inline_xattr_addrs(inode) * sizeof(__le32);
3011 return 0;
3012}
3013
3014static inline int f2fs_has_inline_data(struct inode *inode)
3015{
3016 return is_inode_flag_set(inode, FI_INLINE_DATA);
3017}
3018
3019static inline int f2fs_exist_data(struct inode *inode)
3020{
3021 return is_inode_flag_set(inode, FI_DATA_EXIST);
3022}
3023
3024static inline int f2fs_has_inline_dots(struct inode *inode)
3025{
3026 return is_inode_flag_set(inode, FI_INLINE_DOTS);
3027}
3028
3029static inline int f2fs_is_mmap_file(struct inode *inode)
3030{
3031 return is_inode_flag_set(inode, FI_MMAP_FILE);
3032}
3033
3034static inline bool f2fs_is_pinned_file(struct inode *inode)
3035{
3036 return is_inode_flag_set(inode, FI_PIN_FILE);
3037}
3038
3039static inline bool f2fs_is_atomic_file(struct inode *inode)
3040{
3041 return is_inode_flag_set(inode, FI_ATOMIC_FILE);
3042}
3043
3044static inline bool f2fs_is_commit_atomic_write(struct inode *inode)
3045{
3046 return is_inode_flag_set(inode, FI_ATOMIC_COMMIT);
3047}
3048
3049static inline bool f2fs_is_volatile_file(struct inode *inode)
3050{
3051 return is_inode_flag_set(inode, FI_VOLATILE_FILE);
3052}
3053
3054static inline bool f2fs_is_first_block_written(struct inode *inode)
3055{
3056 return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN);
3057}
3058
3059static inline bool f2fs_is_drop_cache(struct inode *inode)
3060{
3061 return is_inode_flag_set(inode, FI_DROP_CACHE);
3062}
3063
3064static inline void *inline_data_addr(struct inode *inode, struct page *page)
3065{
3066 struct f2fs_inode *ri = F2FS_INODE(page);
3067 int extra_size = get_extra_isize(inode);
3068
3069 return (void *)&(ri->i_addr[extra_size + DEF_INLINE_RESERVED_SIZE]);
3070}
3071
3072static inline int f2fs_has_inline_dentry(struct inode *inode)
3073{
3074 return is_inode_flag_set(inode, FI_INLINE_DENTRY);
3075}
3076
3077static inline int is_file(struct inode *inode, int type)
3078{
3079 return F2FS_I(inode)->i_advise & type;
3080}
3081
3082static inline void set_file(struct inode *inode, int type)
3083{
3084 F2FS_I(inode)->i_advise |= type;
3085 f2fs_mark_inode_dirty_sync(inode, true);
3086}
3087
3088static inline void clear_file(struct inode *inode, int type)
3089{
3090 F2FS_I(inode)->i_advise &= ~type;
3091 f2fs_mark_inode_dirty_sync(inode, true);
3092}
3093
3094static inline bool f2fs_is_time_consistent(struct inode *inode)
3095{
3096 if (!timespec64_equal(F2FS_I(inode)->i_disk_time, &inode->i_atime))
3097 return false;
3098 if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 1, &inode->i_ctime))
3099 return false;
3100 if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 2, &inode->i_mtime))
3101 return false;
3102 if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 3,
3103 &F2FS_I(inode)->i_crtime))
3104 return false;
3105 return true;
3106}
3107
3108static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync)
3109{
3110 bool ret;
3111
3112 if (dsync) {
3113 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
3114
3115 spin_lock(&sbi->inode_lock[DIRTY_META]);
3116 ret = list_empty(&F2FS_I(inode)->gdirty_list);
3117 spin_unlock(&sbi->inode_lock[DIRTY_META]);
3118 return ret;
3119 }
3120 if (!is_inode_flag_set(inode, FI_AUTO_RECOVER) ||
3121 file_keep_isize(inode) ||
3122 i_size_read(inode) & ~PAGE_MASK)
3123 return false;
3124
3125 if (!f2fs_is_time_consistent(inode))
3126 return false;
3127
3128 spin_lock(&F2FS_I(inode)->i_size_lock);
3129 ret = F2FS_I(inode)->last_disk_size == i_size_read(inode);
3130 spin_unlock(&F2FS_I(inode)->i_size_lock);
3131
3132 return ret;
3133}
3134
3135static inline bool f2fs_readonly(struct super_block *sb)
3136{
3137 return sb_rdonly(sb);
3138}
3139
3140static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi)
3141{
3142 return is_set_ckpt_flags(sbi, CP_ERROR_FLAG);
3143}
3144
3145static inline bool is_dot_dotdot(const u8 *name, size_t len)
3146{
3147 if (len == 1 && name[0] == '.')
3148 return true;
3149
3150 if (len == 2 && name[0] == '.' && name[1] == '.')
3151 return true;
3152
3153 return false;
3154}
3155
3156static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi,
3157 size_t size, gfp_t flags)
3158{
3159 if (time_to_inject(sbi, FAULT_KMALLOC)) {
3160 f2fs_show_injection_info(sbi, FAULT_KMALLOC);
3161 return NULL;
3162 }
3163
3164 return kmalloc(size, flags);
3165}
3166
3167static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi,
3168 size_t size, gfp_t flags)
3169{
3170 return f2fs_kmalloc(sbi, size, flags | __GFP_ZERO);
3171}
3172
3173static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi,
3174 size_t size, gfp_t flags)
3175{
3176 if (time_to_inject(sbi, FAULT_KVMALLOC)) {
3177 f2fs_show_injection_info(sbi, FAULT_KVMALLOC);
3178 return NULL;
3179 }
3180
3181 return kvmalloc(size, flags);
3182}
3183
3184static inline void *f2fs_kvzalloc(struct f2fs_sb_info *sbi,
3185 size_t size, gfp_t flags)
3186{
3187 return f2fs_kvmalloc(sbi, size, flags | __GFP_ZERO);
3188}
3189
3190static inline int get_extra_isize(struct inode *inode)
3191{
3192 return F2FS_I(inode)->i_extra_isize / sizeof(__le32);
3193}
3194
3195static inline int get_inline_xattr_addrs(struct inode *inode)
3196{
3197 return F2FS_I(inode)->i_inline_xattr_size;
3198}
3199
3200#define f2fs_get_inode_mode(i) \
3201 ((is_inode_flag_set(i, FI_ACL_MODE)) ? \
3202 (F2FS_I(i)->i_acl_mode) : ((i)->i_mode))
3203
3204#define F2FS_TOTAL_EXTRA_ATTR_SIZE \
3205 (offsetof(struct f2fs_inode, i_extra_end) - \
3206 offsetof(struct f2fs_inode, i_extra_isize)) \
3207
3208#define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr))
3209#define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \
3210 ((offsetof(typeof(*(f2fs_inode)), field) + \
3211 sizeof((f2fs_inode)->field)) \
3212 <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \
3213
3214#define DEFAULT_IOSTAT_PERIOD_MS 3000
3215#define MIN_IOSTAT_PERIOD_MS 100
3216
3217#define MAX_IOSTAT_PERIOD_MS 8640000
3218
3219static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi)
3220{
3221 int i;
3222
3223 spin_lock(&sbi->iostat_lock);
3224 for (i = 0; i < NR_IO_TYPE; i++) {
3225 sbi->rw_iostat[i] = 0;
3226 sbi->prev_rw_iostat[i] = 0;
3227 }
3228 spin_unlock(&sbi->iostat_lock);
3229}
3230
3231extern void f2fs_record_iostat(struct f2fs_sb_info *sbi);
3232
3233static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi,
3234 enum iostat_type type, unsigned long long io_bytes)
3235{
3236 if (!sbi->iostat_enable)
3237 return;
3238 spin_lock(&sbi->iostat_lock);
3239 sbi->rw_iostat[type] += io_bytes;
3240
3241 if (type == APP_WRITE_IO || type == APP_DIRECT_IO)
3242 sbi->rw_iostat[APP_BUFFERED_IO] =
3243 sbi->rw_iostat[APP_WRITE_IO] -
3244 sbi->rw_iostat[APP_DIRECT_IO];
3245
3246 if (type == APP_READ_IO || type == APP_DIRECT_READ_IO)
3247 sbi->rw_iostat[APP_BUFFERED_READ_IO] =
3248 sbi->rw_iostat[APP_READ_IO] -
3249 sbi->rw_iostat[APP_DIRECT_READ_IO];
3250 spin_unlock(&sbi->iostat_lock);
3251
3252 f2fs_record_iostat(sbi);
3253}
3254
3255#define __is_large_section(sbi) ((sbi)->segs_per_sec > 1)
3256
3257#define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META)
3258
3259bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
3260 block_t blkaddr, int type);
3261static inline void verify_blkaddr(struct f2fs_sb_info *sbi,
3262 block_t blkaddr, int type)
3263{
3264 if (!f2fs_is_valid_blkaddr(sbi, blkaddr, type)) {
3265 f2fs_err(sbi, "invalid blkaddr: %u, type: %d, run fsck to fix.",
3266 blkaddr, type);
3267 f2fs_bug_on(sbi, 1);
3268 }
3269}
3270
3271static inline bool __is_valid_data_blkaddr(block_t blkaddr)
3272{
3273 if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR ||
3274 blkaddr == COMPRESS_ADDR)
3275 return false;
3276 return true;
3277}
3278
3279
3280
3281
3282int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync);
3283void f2fs_truncate_data_blocks(struct dnode_of_data *dn);
3284int f2fs_do_truncate_blocks(struct inode *inode, u64 from, bool lock);
3285int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock);
3286int f2fs_truncate(struct inode *inode);
3287int f2fs_getattr(struct user_namespace *mnt_userns, const struct path *path,
3288 struct kstat *stat, u32 request_mask, unsigned int flags);
3289int f2fs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
3290 struct iattr *attr);
3291int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end);
3292void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count);
3293int f2fs_precache_extents(struct inode *inode);
3294int f2fs_fileattr_get(struct dentry *dentry, struct fileattr *fa);
3295int f2fs_fileattr_set(struct user_namespace *mnt_userns,
3296 struct dentry *dentry, struct fileattr *fa);
3297long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
3298long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
3299int f2fs_transfer_project_quota(struct inode *inode, kprojid_t kprojid);
3300int f2fs_pin_file_control(struct inode *inode, bool inc);
3301
3302
3303
3304
3305void f2fs_set_inode_flags(struct inode *inode);
3306bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page);
3307void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page);
3308struct inode *f2fs_iget(struct super_block *sb, unsigned long ino);
3309struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino);
3310int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink);
3311void f2fs_update_inode(struct inode *inode, struct page *node_page);
3312void f2fs_update_inode_page(struct inode *inode);
3313int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc);
3314void f2fs_evict_inode(struct inode *inode);
3315void f2fs_handle_failed_inode(struct inode *inode);
3316
3317
3318
3319
3320int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
3321 bool hot, bool set);
3322struct dentry *f2fs_get_parent(struct dentry *child);
3323
3324
3325
3326
3327unsigned char f2fs_get_de_type(struct f2fs_dir_entry *de);
3328int f2fs_init_casefolded_name(const struct inode *dir,
3329 struct f2fs_filename *fname);
3330int f2fs_setup_filename(struct inode *dir, const struct qstr *iname,
3331 int lookup, struct f2fs_filename *fname);
3332int f2fs_prepare_lookup(struct inode *dir, struct dentry *dentry,
3333 struct f2fs_filename *fname);
3334void f2fs_free_filename(struct f2fs_filename *fname);
3335struct f2fs_dir_entry *f2fs_find_target_dentry(const struct f2fs_dentry_ptr *d,
3336 const struct f2fs_filename *fname, int *max_slots);
3337int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,
3338 unsigned int start_pos, struct fscrypt_str *fstr);
3339void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent,
3340 struct f2fs_dentry_ptr *d);
3341struct page *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir,
3342 const struct f2fs_filename *fname, struct page *dpage);
3343void f2fs_update_parent_metadata(struct inode *dir, struct inode *inode,
3344 unsigned int current_depth);
3345int f2fs_room_for_filename(const void *bitmap, int slots, int max_slots);
3346void f2fs_drop_nlink(struct inode *dir, struct inode *inode);
3347struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir,
3348 const struct f2fs_filename *fname,
3349 struct page **res_page);
3350struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,
3351 const struct qstr *child, struct page **res_page);
3352struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p);
3353ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr,
3354 struct page **page);
3355void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de,
3356 struct page *page, struct inode *inode);
3357bool f2fs_has_enough_room(struct inode *dir, struct page *ipage,
3358 const struct f2fs_filename *fname);
3359void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d,
3360 const struct fscrypt_str *name, f2fs_hash_t name_hash,
3361 unsigned int bit_pos);
3362int f2fs_add_regular_entry(struct inode *dir, const struct f2fs_filename *fname,
3363 struct inode *inode, nid_t ino, umode_t mode);
3364int f2fs_add_dentry(struct inode *dir, const struct f2fs_filename *fname,
3365 struct inode *inode, nid_t ino, umode_t mode);
3366int f2fs_do_add_link(struct inode *dir, const struct qstr *name,
3367 struct inode *inode, nid_t ino, umode_t mode);
3368void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
3369 struct inode *dir, struct inode *inode);
3370int f2fs_do_tmpfile(struct inode *inode, struct inode *dir);
3371bool f2fs_empty_dir(struct inode *dir);
3372
3373static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode)
3374{
3375 if (fscrypt_is_nokey_name(dentry))
3376 return -ENOKEY;
3377 return f2fs_do_add_link(d_inode(dentry->d_parent), &dentry->d_name,
3378 inode, inode->i_ino, inode->i_mode);
3379}
3380
3381
3382
3383
3384int f2fs_inode_dirtied(struct inode *inode, bool sync);
3385void f2fs_inode_synced(struct inode *inode);
3386int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly);
3387int f2fs_quota_sync(struct super_block *sb, int type);
3388loff_t max_file_blocks(struct inode *inode);
3389void f2fs_quota_off_umount(struct super_block *sb);
3390int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover);
3391int f2fs_sync_fs(struct super_block *sb, int sync);
3392int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi);
3393
3394
3395
3396
3397void f2fs_hash_filename(const struct inode *dir, struct f2fs_filename *fname);
3398
3399
3400
3401
3402struct node_info;
3403
3404int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid);
3405bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type);
3406bool f2fs_in_warm_node_list(struct f2fs_sb_info *sbi, struct page *page);
3407void f2fs_init_fsync_node_info(struct f2fs_sb_info *sbi);
3408void f2fs_del_fsync_node_entry(struct f2fs_sb_info *sbi, struct page *page);
3409void f2fs_reset_fsync_node_info(struct f2fs_sb_info *sbi);
3410int f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid);
3411bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid);
3412bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino);
3413int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid,
3414 struct node_info *ni);
3415pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs);
3416int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode);
3417int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from);
3418int f2fs_truncate_xattr_node(struct inode *inode);
3419int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi,
3420 unsigned int seq_id);
3421int f2fs_remove_inode_page(struct inode *inode);
3422struct page *f2fs_new_inode_page(struct inode *inode);
3423struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs);
3424void f2fs_ra_node_page(struct f2fs_sb_info *sbi, nid_t nid);
3425struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid);
3426struct page *f2fs_get_node_page_ra(struct page *parent, int start);
3427int f2fs_move_node_page(struct page *node_page, int gc_type);
3428void f2fs_flush_inline_data(struct f2fs_sb_info *sbi);
3429int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
3430 struct writeback_control *wbc, bool atomic,
3431 unsigned int *seq_id);
3432int f2fs_sync_node_pages(struct f2fs_sb_info *sbi,
3433 struct writeback_control *wbc,
3434 bool do_balance, enum iostat_type io_type);
3435int f2fs_build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount);
3436bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid);
3437void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid);
3438void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid);
3439int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink);
3440int f2fs_recover_inline_xattr(struct inode *inode, struct page *page);
3441int f2fs_recover_xattr_data(struct inode *inode, struct page *page);
3442int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page);
3443int f2fs_restore_node_summary(struct f2fs_sb_info *sbi,
3444 unsigned int segno, struct f2fs_summary_block *sum);
3445int f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
3446int f2fs_build_node_manager(struct f2fs_sb_info *sbi);
3447void f2fs_destroy_node_manager(struct f2fs_sb_info *sbi);
3448int __init f2fs_create_node_manager_caches(void);
3449void f2fs_destroy_node_manager_caches(void);
3450
3451
3452
3453
3454bool f2fs_need_SSR(struct f2fs_sb_info *sbi);
3455void f2fs_register_inmem_page(struct inode *inode, struct page *page);
3456void f2fs_drop_inmem_pages_all(struct f2fs_sb_info *sbi, bool gc_failure);
3457void f2fs_drop_inmem_pages(struct inode *inode);
3458void f2fs_drop_inmem_page(struct inode *inode, struct page *page);
3459int f2fs_commit_inmem_pages(struct inode *inode);
3460void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need);
3461void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi, bool from_bg);
3462int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino);
3463int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi);
3464int f2fs_flush_device_cache(struct f2fs_sb_info *sbi);
3465void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free);
3466void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr);
3467bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr);
3468void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi);
3469void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi);
3470bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi);
3471void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
3472 struct cp_control *cpc);
3473void f2fs_dirty_to_prefree(struct f2fs_sb_info *sbi);
3474block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi);
3475int f2fs_disable_cp_again(struct f2fs_sb_info *sbi, block_t unusable);
3476void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi);
3477int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra);
3478bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno);
3479void f2fs_init_inmem_curseg(struct f2fs_sb_info *sbi);
3480void f2fs_save_inmem_curseg(struct f2fs_sb_info *sbi);
3481void f2fs_restore_inmem_curseg(struct f2fs_sb_info *sbi);
3482void f2fs_get_new_segment(struct f2fs_sb_info *sbi,
3483 unsigned int *newseg, bool new_sec, int dir);
3484void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
3485 unsigned int start, unsigned int end);
3486void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force);
3487void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi);
3488int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range);
3489bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi,
3490 struct cp_control *cpc);
3491struct page *f2fs_get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno);
3492void f2fs_update_meta_page(struct f2fs_sb_info *sbi, void *src,
3493 block_t blk_addr);
3494void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page,
3495 enum iostat_type io_type);
3496void f2fs_do_write_node_page(unsigned int nid, struct f2fs_io_info *fio);
3497void f2fs_outplace_write_data(struct dnode_of_data *dn,
3498 struct f2fs_io_info *fio);
3499int f2fs_inplace_write_data(struct f2fs_io_info *fio);
3500void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
3501 block_t old_blkaddr, block_t new_blkaddr,
3502 bool recover_curseg, bool recover_newaddr,
3503 bool from_gc);
3504void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn,
3505 block_t old_addr, block_t new_addr,
3506 unsigned char version, bool recover_curseg,
3507 bool recover_newaddr);
3508void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
3509 block_t old_blkaddr, block_t *new_blkaddr,
3510 struct f2fs_summary *sum, int type,
3511 struct f2fs_io_info *fio);
3512void f2fs_wait_on_page_writeback(struct page *page,
3513 enum page_type type, bool ordered, bool locked);
3514void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr);
3515void f2fs_wait_on_block_writeback_range(struct inode *inode, block_t blkaddr,
3516 block_t len);
3517void f2fs_write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
3518void f2fs_write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
3519int f2fs_lookup_journal_in_cursum(struct f2fs_journal *journal, int type,
3520 unsigned int val, int alloc);
3521void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
3522int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi);
3523int f2fs_check_write_pointer(struct f2fs_sb_info *sbi);
3524int f2fs_build_segment_manager(struct f2fs_sb_info *sbi);
3525void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi);
3526int __init f2fs_create_segment_manager_caches(void);
3527void f2fs_destroy_segment_manager_caches(void);
3528int f2fs_rw_hint_to_seg_type(enum rw_hint hint);
3529enum rw_hint f2fs_io_type_to_rw_hint(struct f2fs_sb_info *sbi,
3530 enum page_type type, enum temp_type temp);
3531unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
3532 unsigned int segno);
3533unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
3534 unsigned int segno);
3535
3536
3537
3538
3539void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io);
3540struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
3541struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
3542struct page *f2fs_get_meta_page_retry(struct f2fs_sb_info *sbi, pgoff_t index);
3543struct page *f2fs_get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index);
3544bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
3545 block_t blkaddr, int type);
3546int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
3547 int type, bool sync);
3548void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index);
3549long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type,
3550 long nr_to_write, enum iostat_type io_type);
3551void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
3552void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
3553void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all);
3554bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode);
3555void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
3556 unsigned int devidx, int type);
3557bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
3558 unsigned int devidx, int type);
3559int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi);
3560int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi);
3561void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi);
3562void f2fs_add_orphan_inode(struct inode *inode);
3563void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino);
3564int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi);
3565int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi);
3566void f2fs_update_dirty_page(struct inode *inode, struct page *page);
3567void f2fs_remove_dirty_inode(struct inode *inode);
3568int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type);
3569void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type);
3570u64 f2fs_get_sectors_written(struct f2fs_sb_info *sbi);
3571int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc);
3572void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi);
3573int __init f2fs_create_checkpoint_caches(void);
3574void f2fs_destroy_checkpoint_caches(void);
3575int f2fs_issue_checkpoint(struct f2fs_sb_info *sbi);
3576int f2fs_start_ckpt_thread(struct f2fs_sb_info *sbi);
3577void f2fs_stop_ckpt_thread(struct f2fs_sb_info *sbi);
3578void f2fs_init_ckpt_req_control(struct f2fs_sb_info *sbi);
3579
3580
3581
3582
3583int __init f2fs_init_bioset(void);
3584void f2fs_destroy_bioset(void);
3585int f2fs_init_bio_entry_cache(void);
3586void f2fs_destroy_bio_entry_cache(void);
3587void f2fs_submit_bio(struct f2fs_sb_info *sbi,
3588 struct bio *bio, enum page_type type);
3589void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type);
3590void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi,
3591 struct inode *inode, struct page *page,
3592 nid_t ino, enum page_type type);
3593void f2fs_submit_merged_ipu_write(struct f2fs_sb_info *sbi,
3594 struct bio **bio, struct page *page);
3595void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi);
3596int f2fs_submit_page_bio(struct f2fs_io_info *fio);
3597int f2fs_merge_page_bio(struct f2fs_io_info *fio);
3598void f2fs_submit_page_write(struct f2fs_io_info *fio);
3599struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi,
3600 block_t blk_addr, struct bio *bio);
3601int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr);
3602void f2fs_set_data_blkaddr(struct dnode_of_data *dn);
3603void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr);
3604int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count);
3605int f2fs_reserve_new_block(struct dnode_of_data *dn);
3606int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index);
3607int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from);
3608int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index);
3609struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
3610 int op_flags, bool for_write);
3611struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index);
3612struct page *f2fs_get_lock_data_page(struct inode *inode, pgoff_t index,
3613 bool for_write);
3614struct page *f2fs_get_new_data_page(struct inode *inode,
3615 struct page *ipage, pgoff_t index, bool new_i_size);
3616int f2fs_do_write_data_page(struct f2fs_io_info *fio);
3617void f2fs_do_map_lock(struct f2fs_sb_info *sbi, int flag, bool lock);
3618int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
3619 int create, int flag);
3620int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
3621 u64 start, u64 len);
3622int f2fs_encrypt_one_page(struct f2fs_io_info *fio);
3623bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio);
3624bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio);
3625int f2fs_write_single_data_page(struct page *page, int *submitted,
3626 struct bio **bio, sector_t *last_block,
3627 struct writeback_control *wbc,
3628 enum iostat_type io_type,
3629 int compr_blocks, bool allow_balance);
3630void f2fs_invalidate_page(struct page *page, unsigned int offset,
3631 unsigned int length);
3632int f2fs_release_page(struct page *page, gfp_t wait);
3633#ifdef CONFIG_MIGRATION
3634int f2fs_migrate_page(struct address_space *mapping, struct page *newpage,
3635 struct page *page, enum migrate_mode mode);
3636#endif
3637bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len);
3638void f2fs_clear_page_cache_dirty_tag(struct page *page);
3639int f2fs_init_post_read_processing(void);
3640void f2fs_destroy_post_read_processing(void);
3641int f2fs_init_post_read_wq(struct f2fs_sb_info *sbi);
3642void f2fs_destroy_post_read_wq(struct f2fs_sb_info *sbi);
3643
3644
3645
3646
3647int f2fs_start_gc_thread(struct f2fs_sb_info *sbi);
3648void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi);
3649block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode);
3650int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background, bool force,
3651 unsigned int segno);
3652void f2fs_build_gc_manager(struct f2fs_sb_info *sbi);
3653int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count);
3654int __init f2fs_create_garbage_collection_cache(void);
3655void f2fs_destroy_garbage_collection_cache(void);
3656
3657
3658
3659
3660int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only);
3661bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi);
3662int __init f2fs_create_recovery_cache(void);
3663void f2fs_destroy_recovery_cache(void);
3664
3665
3666
3667
3668#ifdef CONFIG_F2FS_STAT_FS
3669struct f2fs_stat_info {
3670 struct list_head stat_list;
3671 struct f2fs_sb_info *sbi;
3672 int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs;
3673 int main_area_segs, main_area_sections, main_area_zones;
3674 unsigned long long hit_largest, hit_cached, hit_rbtree;
3675 unsigned long long hit_total, total_ext;
3676 int ext_tree, zombie_tree, ext_node;
3677 int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta;
3678 int ndirty_data, ndirty_qdata;
3679 int inmem_pages;
3680 unsigned int ndirty_dirs, ndirty_files, nquota_files, ndirty_all;
3681 int nats, dirty_nats, sits, dirty_sits;
3682 int free_nids, avail_nids, alloc_nids;
3683 int total_count, utilization;
3684 int bg_gc, nr_wb_cp_data, nr_wb_data;
3685 int nr_rd_data, nr_rd_node, nr_rd_meta;
3686 int nr_dio_read, nr_dio_write;
3687 unsigned int io_skip_bggc, other_skip_bggc;
3688 int nr_flushing, nr_flushed, flush_list_empty;
3689 int nr_discarding, nr_discarded;
3690 int nr_discard_cmd;
3691 unsigned int undiscard_blks;
3692 int nr_issued_ckpt, nr_total_ckpt, nr_queued_ckpt;
3693 unsigned int cur_ckpt_time, peak_ckpt_time;
3694 int inline_xattr, inline_inode, inline_dir, append, update, orphans;
3695 int compr_inode;
3696 unsigned long long compr_blocks;
3697 int aw_cnt, max_aw_cnt, vw_cnt, max_vw_cnt;
3698 unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks;
3699 unsigned int bimodal, avg_vblocks;
3700 int util_free, util_valid, util_invalid;
3701 int rsvd_segs, overp_segs;
3702 int dirty_count, node_pages, meta_pages, compress_pages;
3703 int compress_page_hit;
3704 int prefree_count, call_count, cp_count, bg_cp_count;
3705 int tot_segs, node_segs, data_segs, free_segs, free_secs;
3706 int bg_node_segs, bg_data_segs;
3707 int tot_blks, data_blks, node_blks;
3708 int bg_data_blks, bg_node_blks;
3709 unsigned long long skipped_atomic_files[2];
3710 int curseg[NR_CURSEG_TYPE];
3711 int cursec[NR_CURSEG_TYPE];
3712 int curzone[NR_CURSEG_TYPE];
3713 unsigned int dirty_seg[NR_CURSEG_TYPE];
3714 unsigned int full_seg[NR_CURSEG_TYPE];
3715 unsigned int valid_blks[NR_CURSEG_TYPE];
3716
3717 unsigned int meta_count[META_MAX];
3718 unsigned int segment_count[2];
3719 unsigned int block_count[2];
3720 unsigned int inplace_count;
3721 unsigned long long base_mem, cache_mem, page_mem;
3722};
3723
3724static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi)
3725{
3726 return (struct f2fs_stat_info *)sbi->stat_info;
3727}
3728
3729#define stat_inc_cp_count(si) ((si)->cp_count++)
3730#define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++)
3731#define stat_inc_call_count(si) ((si)->call_count++)
3732#define stat_inc_bggc_count(si) ((si)->bg_gc++)
3733#define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++)
3734#define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++)
3735#define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++)
3736#define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--)
3737#define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext))
3738#define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree))
3739#define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest))
3740#define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached))
3741#define stat_inc_inline_xattr(inode) \
3742 do { \
3743 if (f2fs_has_inline_xattr(inode)) \
3744 (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \
3745 } while (0)
3746#define stat_dec_inline_xattr(inode) \
3747 do { \
3748 if (f2fs_has_inline_xattr(inode)) \
3749 (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \
3750 } while (0)
3751#define stat_inc_inline_inode(inode) \
3752 do { \
3753 if (f2fs_has_inline_data(inode)) \
3754 (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \
3755 } while (0)
3756#define stat_dec_inline_inode(inode) \
3757 do { \
3758 if (f2fs_has_inline_data(inode)) \
3759 (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \
3760 } while (0)
3761#define stat_inc_inline_dir(inode) \
3762 do { \
3763 if (f2fs_has_inline_dentry(inode)) \
3764 (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \
3765 } while (0)
3766#define stat_dec_inline_dir(inode) \
3767 do { \
3768 if (f2fs_has_inline_dentry(inode)) \
3769 (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \
3770 } while (0)
3771#define stat_inc_compr_inode(inode) \
3772 do { \
3773 if (f2fs_compressed_file(inode)) \
3774 (atomic_inc(&F2FS_I_SB(inode)->compr_inode)); \
3775 } while (0)
3776#define stat_dec_compr_inode(inode) \
3777 do { \
3778 if (f2fs_compressed_file(inode)) \
3779 (atomic_dec(&F2FS_I_SB(inode)->compr_inode)); \
3780 } while (0)
3781#define stat_add_compr_blocks(inode, blocks) \
3782 (atomic64_add(blocks, &F2FS_I_SB(inode)->compr_blocks))
3783#define stat_sub_compr_blocks(inode, blocks) \
3784 (atomic64_sub(blocks, &F2FS_I_SB(inode)->compr_blocks))
3785#define stat_inc_meta_count(sbi, blkaddr) \
3786 do { \
3787 if (blkaddr < SIT_I(sbi)->sit_base_addr) \
3788 atomic_inc(&(sbi)->meta_count[META_CP]); \
3789 else if (blkaddr < NM_I(sbi)->nat_blkaddr) \
3790 atomic_inc(&(sbi)->meta_count[META_SIT]); \
3791 else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \
3792 atomic_inc(&(sbi)->meta_count[META_NAT]); \
3793 else if (blkaddr < SM_I(sbi)->main_blkaddr) \
3794 atomic_inc(&(sbi)->meta_count[META_SSA]); \
3795 } while (0)
3796#define stat_inc_seg_type(sbi, curseg) \
3797 ((sbi)->segment_count[(curseg)->alloc_type]++)
3798#define stat_inc_block_count(sbi, curseg) \
3799 ((sbi)->block_count[(curseg)->alloc_type]++)
3800#define stat_inc_inplace_blocks(sbi) \
3801 (atomic_inc(&(sbi)->inplace_count))
3802#define stat_update_max_atomic_write(inode) \
3803 do { \
3804 int cur = F2FS_I_SB(inode)->atomic_files; \
3805 int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \
3806 if (cur > max) \
3807 atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \
3808 } while (0)
3809#define stat_inc_volatile_write(inode) \
3810 (atomic_inc(&F2FS_I_SB(inode)->vw_cnt))
3811#define stat_dec_volatile_write(inode) \
3812 (atomic_dec(&F2FS_I_SB(inode)->vw_cnt))
3813#define stat_update_max_volatile_write(inode) \
3814 do { \
3815 int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \
3816 int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \
3817 if (cur > max) \
3818 atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \
3819 } while (0)
3820#define stat_inc_seg_count(sbi, type, gc_type) \
3821 do { \
3822 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3823 si->tot_segs++; \
3824 if ((type) == SUM_TYPE_DATA) { \
3825 si->data_segs++; \
3826 si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \
3827 } else { \
3828 si->node_segs++; \
3829 si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \
3830 } \
3831 } while (0)
3832
3833#define stat_inc_tot_blk_count(si, blks) \
3834 ((si)->tot_blks += (blks))
3835
3836#define stat_inc_data_blk_count(sbi, blks, gc_type) \
3837 do { \
3838 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3839 stat_inc_tot_blk_count(si, blks); \
3840 si->data_blks += (blks); \
3841 si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3842 } while (0)
3843
3844#define stat_inc_node_blk_count(sbi, blks, gc_type) \
3845 do { \
3846 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3847 stat_inc_tot_blk_count(si, blks); \
3848 si->node_blks += (blks); \
3849 si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3850 } while (0)
3851
3852int f2fs_build_stats(struct f2fs_sb_info *sbi);
3853void f2fs_destroy_stats(struct f2fs_sb_info *sbi);
3854void __init f2fs_create_root_stats(void);
3855void f2fs_destroy_root_stats(void);
3856void f2fs_update_sit_info(struct f2fs_sb_info *sbi);
3857#else
3858#define stat_inc_cp_count(si) do { } while (0)
3859#define stat_inc_bg_cp_count(si) do { } while (0)
3860#define stat_inc_call_count(si) do { } while (0)
3861#define stat_inc_bggc_count(si) do { } while (0)
3862#define stat_io_skip_bggc_count(sbi) do { } while (0)
3863#define stat_other_skip_bggc_count(sbi) do { } while (0)
3864#define stat_inc_dirty_inode(sbi, type) do { } while (0)
3865#define stat_dec_dirty_inode(sbi, type) do { } while (0)
3866#define stat_inc_total_hit(sbi) do { } while (0)
3867#define stat_inc_rbtree_node_hit(sbi) do { } while (0)
3868#define stat_inc_largest_node_hit(sbi) do { } while (0)
3869#define stat_inc_cached_node_hit(sbi) do { } while (0)
3870#define stat_inc_inline_xattr(inode) do { } while (0)
3871#define stat_dec_inline_xattr(inode) do { } while (0)
3872#define stat_inc_inline_inode(inode) do { } while (0)
3873#define stat_dec_inline_inode(inode) do { } while (0)
3874#define stat_inc_inline_dir(inode) do { } while (0)
3875#define stat_dec_inline_dir(inode) do { } while (0)
3876#define stat_inc_compr_inode(inode) do { } while (0)
3877#define stat_dec_compr_inode(inode) do { } while (0)
3878#define stat_add_compr_blocks(inode, blocks) do { } while (0)
3879#define stat_sub_compr_blocks(inode, blocks) do { } while (0)
3880#define stat_update_max_atomic_write(inode) do { } while (0)
3881#define stat_inc_volatile_write(inode) do { } while (0)
3882#define stat_dec_volatile_write(inode) do { } while (0)
3883#define stat_update_max_volatile_write(inode) do { } while (0)
3884#define stat_inc_meta_count(sbi, blkaddr) do { } while (0)
3885#define stat_inc_seg_type(sbi, curseg) do { } while (0)
3886#define stat_inc_block_count(sbi, curseg) do { } while (0)
3887#define stat_inc_inplace_blocks(sbi) do { } while (0)
3888#define stat_inc_seg_count(sbi, type, gc_type) do { } while (0)
3889#define stat_inc_tot_blk_count(si, blks) do { } while (0)
3890#define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0)
3891#define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0)
3892
3893static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; }
3894static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { }
3895static inline void __init f2fs_create_root_stats(void) { }
3896static inline void f2fs_destroy_root_stats(void) { }
3897static inline void f2fs_update_sit_info(struct f2fs_sb_info *sbi) {}
3898#endif
3899
3900extern const struct file_operations f2fs_dir_operations;
3901extern const struct file_operations f2fs_file_operations;
3902extern const struct inode_operations f2fs_file_inode_operations;
3903extern const struct address_space_operations f2fs_dblock_aops;
3904extern const struct address_space_operations f2fs_node_aops;
3905extern const struct address_space_operations f2fs_meta_aops;
3906extern const struct inode_operations f2fs_dir_inode_operations;
3907extern const struct inode_operations f2fs_symlink_inode_operations;
3908extern const struct inode_operations f2fs_encrypted_symlink_inode_operations;
3909extern const struct inode_operations f2fs_special_inode_operations;
3910extern struct kmem_cache *f2fs_inode_entry_slab;
3911
3912
3913
3914
3915bool f2fs_may_inline_data(struct inode *inode);
3916bool f2fs_may_inline_dentry(struct inode *inode);
3917void f2fs_do_read_inline_data(struct page *page, struct page *ipage);
3918void f2fs_truncate_inline_inode(struct inode *inode,
3919 struct page *ipage, u64 from);
3920int f2fs_read_inline_data(struct inode *inode, struct page *page);
3921int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page);
3922int f2fs_convert_inline_inode(struct inode *inode);
3923int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry);
3924int f2fs_write_inline_data(struct inode *inode, struct page *page);
3925int f2fs_recover_inline_data(struct inode *inode, struct page *npage);
3926struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir,
3927 const struct f2fs_filename *fname,
3928 struct page **res_page);
3929int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent,
3930 struct page *ipage);
3931int f2fs_add_inline_entry(struct inode *dir, const struct f2fs_filename *fname,
3932 struct inode *inode, nid_t ino, umode_t mode);
3933void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry,
3934 struct page *page, struct inode *dir,
3935 struct inode *inode);
3936bool f2fs_empty_inline_dir(struct inode *dir);
3937int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx,
3938 struct fscrypt_str *fstr);
3939int f2fs_inline_data_fiemap(struct inode *inode,
3940 struct fiemap_extent_info *fieinfo,
3941 __u64 start, __u64 len);
3942
3943
3944
3945
3946unsigned long f2fs_shrink_count(struct shrinker *shrink,
3947 struct shrink_control *sc);
3948unsigned long f2fs_shrink_scan(struct shrinker *shrink,
3949 struct shrink_control *sc);
3950void f2fs_join_shrinker(struct f2fs_sb_info *sbi);
3951void f2fs_leave_shrinker(struct f2fs_sb_info *sbi);
3952
3953
3954
3955
3956struct rb_entry *f2fs_lookup_rb_tree(struct rb_root_cached *root,
3957 struct rb_entry *cached_re, unsigned int ofs);
3958struct rb_node **f2fs_lookup_rb_tree_ext(struct f2fs_sb_info *sbi,
3959 struct rb_root_cached *root,
3960 struct rb_node **parent,
3961 unsigned long long key, bool *left_most);
3962struct rb_node **f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi,
3963 struct rb_root_cached *root,
3964 struct rb_node **parent,
3965 unsigned int ofs, bool *leftmost);
3966struct rb_entry *f2fs_lookup_rb_tree_ret(struct rb_root_cached *root,
3967 struct rb_entry *cached_re, unsigned int ofs,
3968 struct rb_entry **prev_entry, struct rb_entry **next_entry,
3969 struct rb_node ***insert_p, struct rb_node **insert_parent,
3970 bool force, bool *leftmost);
3971bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info *sbi,
3972 struct rb_root_cached *root, bool check_key);
3973unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink);
3974void f2fs_init_extent_tree(struct inode *inode, struct page *ipage);
3975void f2fs_drop_extent_tree(struct inode *inode);
3976unsigned int f2fs_destroy_extent_node(struct inode *inode);
3977void f2fs_destroy_extent_tree(struct inode *inode);
3978bool f2fs_lookup_extent_cache(struct inode *inode, pgoff_t pgofs,
3979 struct extent_info *ei);
3980void f2fs_update_extent_cache(struct dnode_of_data *dn);
3981void f2fs_update_extent_cache_range(struct dnode_of_data *dn,
3982 pgoff_t fofs, block_t blkaddr, unsigned int len);
3983void f2fs_init_extent_cache_info(struct f2fs_sb_info *sbi);
3984int __init f2fs_create_extent_cache(void);
3985void f2fs_destroy_extent_cache(void);
3986
3987
3988
3989
3990int __init f2fs_init_sysfs(void);
3991void f2fs_exit_sysfs(void);
3992int f2fs_register_sysfs(struct f2fs_sb_info *sbi);
3993void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi);
3994
3995
3996extern const struct fsverity_operations f2fs_verityops;
3997
3998
3999
4000
4001static inline bool f2fs_encrypted_file(struct inode *inode)
4002{
4003 return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode);
4004}
4005
4006static inline void f2fs_set_encrypted_inode(struct inode *inode)
4007{
4008#ifdef CONFIG_FS_ENCRYPTION
4009 file_set_encrypt(inode);
4010 f2fs_set_inode_flags(inode);
4011#endif
4012}
4013
4014
4015
4016
4017
4018static inline bool f2fs_post_read_required(struct inode *inode)
4019{
4020 return f2fs_encrypted_file(inode) || fsverity_active(inode) ||
4021 f2fs_compressed_file(inode);
4022}
4023
4024
4025
4026
4027#ifdef CONFIG_F2FS_FS_COMPRESSION
4028bool f2fs_is_compressed_page(struct page *page);
4029struct page *f2fs_compress_control_page(struct page *page);
4030int f2fs_prepare_compress_overwrite(struct inode *inode,
4031 struct page **pagep, pgoff_t index, void **fsdata);
4032bool f2fs_compress_write_end(struct inode *inode, void *fsdata,
4033 pgoff_t index, unsigned copied);
4034int f2fs_truncate_partial_cluster(struct inode *inode, u64 from, bool lock);
4035void f2fs_compress_write_end_io(struct bio *bio, struct page *page);
4036bool f2fs_is_compress_backend_ready(struct inode *inode);
4037int f2fs_init_compress_mempool(void);
4038void f2fs_destroy_compress_mempool(void);
4039void f2fs_decompress_cluster(struct decompress_io_ctx *dic);
4040void f2fs_end_read_compressed_page(struct page *page, bool failed,
4041 block_t blkaddr);
4042bool f2fs_cluster_is_empty(struct compress_ctx *cc);
4043bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index);
4044void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page);
4045int f2fs_write_multi_pages(struct compress_ctx *cc,
4046 int *submitted,
4047 struct writeback_control *wbc,
4048 enum iostat_type io_type);
4049int f2fs_is_compressed_cluster(struct inode *inode, pgoff_t index);
4050int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
4051 unsigned nr_pages, sector_t *last_block_in_bio,
4052 bool is_readahead, bool for_write);
4053struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc);
4054void f2fs_decompress_end_io(struct decompress_io_ctx *dic, bool failed);
4055void f2fs_put_page_dic(struct page *page);
4056int f2fs_init_compress_ctx(struct compress_ctx *cc);
4057void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse);
4058void f2fs_init_compress_info(struct f2fs_sb_info *sbi);
4059int f2fs_init_compress_inode(struct f2fs_sb_info *sbi);
4060void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi);
4061int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi);
4062void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi);
4063int __init f2fs_init_compress_cache(void);
4064void f2fs_destroy_compress_cache(void);
4065struct address_space *COMPRESS_MAPPING(struct f2fs_sb_info *sbi);
4066void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi, block_t blkaddr);
4067void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
4068 nid_t ino, block_t blkaddr);
4069bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
4070 block_t blkaddr);
4071void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, nid_t ino);
4072#define inc_compr_inode_stat(inode) \
4073 do { \
4074 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \
4075 sbi->compr_new_inode++; \
4076 } while (0)
4077#define add_compr_block_stat(inode, blocks) \
4078 do { \
4079 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \
4080 int diff = F2FS_I(inode)->i_cluster_size - blocks; \
4081 sbi->compr_written_block += blocks; \
4082 sbi->compr_saved_block += diff; \
4083 } while (0)
4084#else
4085static inline bool f2fs_is_compressed_page(struct page *page) { return false; }
4086static inline bool f2fs_is_compress_backend_ready(struct inode *inode)
4087{
4088 if (!f2fs_compressed_file(inode))
4089 return true;
4090
4091 return false;
4092}
4093static inline struct page *f2fs_compress_control_page(struct page *page)
4094{
4095 WARN_ON_ONCE(1);
4096 return ERR_PTR(-EINVAL);
4097}
4098static inline int f2fs_init_compress_mempool(void) { return 0; }
4099static inline void f2fs_destroy_compress_mempool(void) { }
4100static inline void f2fs_decompress_cluster(struct decompress_io_ctx *dic) { }
4101static inline void f2fs_end_read_compressed_page(struct page *page,
4102 bool failed, block_t blkaddr)
4103{
4104 WARN_ON_ONCE(1);
4105}
4106static inline void f2fs_put_page_dic(struct page *page)
4107{
4108 WARN_ON_ONCE(1);
4109}
4110static inline int f2fs_init_compress_inode(struct f2fs_sb_info *sbi) { return 0; }
4111static inline void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi) { }
4112static inline int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi) { return 0; }
4113static inline void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi) { }
4114static inline int __init f2fs_init_compress_cache(void) { return 0; }
4115static inline void f2fs_destroy_compress_cache(void) { }
4116static inline void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi,
4117 block_t blkaddr) { }
4118static inline void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi,
4119 struct page *page, nid_t ino, block_t blkaddr) { }
4120static inline bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi,
4121 struct page *page, block_t blkaddr) { return false; }
4122static inline void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi,
4123 nid_t ino) { }
4124#define inc_compr_inode_stat(inode) do { } while (0)
4125#endif
4126
4127static inline void set_compress_context(struct inode *inode)
4128{
4129 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
4130
4131 F2FS_I(inode)->i_compress_algorithm =
4132 F2FS_OPTION(sbi).compress_algorithm;
4133 F2FS_I(inode)->i_log_cluster_size =
4134 F2FS_OPTION(sbi).compress_log_size;
4135 F2FS_I(inode)->i_compress_flag =
4136 F2FS_OPTION(sbi).compress_chksum ?
4137 1 << COMPRESS_CHKSUM : 0;
4138 F2FS_I(inode)->i_cluster_size =
4139 1 << F2FS_I(inode)->i_log_cluster_size;
4140 if (F2FS_I(inode)->i_compress_algorithm == COMPRESS_LZ4 &&
4141 F2FS_OPTION(sbi).compress_level)
4142 F2FS_I(inode)->i_compress_flag |=
4143 F2FS_OPTION(sbi).compress_level <<
4144 COMPRESS_LEVEL_OFFSET;
4145 F2FS_I(inode)->i_flags |= F2FS_COMPR_FL;
4146 set_inode_flag(inode, FI_COMPRESSED_FILE);
4147 stat_inc_compr_inode(inode);
4148 inc_compr_inode_stat(inode);
4149 f2fs_mark_inode_dirty_sync(inode, true);
4150}
4151
4152static inline bool f2fs_disable_compressed_file(struct inode *inode)
4153{
4154 struct f2fs_inode_info *fi = F2FS_I(inode);
4155
4156 if (!f2fs_compressed_file(inode))
4157 return true;
4158 if (S_ISREG(inode->i_mode) &&
4159 (get_dirty_pages(inode) || atomic_read(&fi->i_compr_blocks)))
4160 return false;
4161
4162 fi->i_flags &= ~F2FS_COMPR_FL;
4163 stat_dec_compr_inode(inode);
4164 clear_inode_flag(inode, FI_COMPRESSED_FILE);
4165 f2fs_mark_inode_dirty_sync(inode, true);
4166 return true;
4167}
4168
4169#define F2FS_FEATURE_FUNCS(name, flagname) \
4170static inline int f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \
4171{ \
4172 return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \
4173}
4174
4175F2FS_FEATURE_FUNCS(encrypt, ENCRYPT);
4176F2FS_FEATURE_FUNCS(blkzoned, BLKZONED);
4177F2FS_FEATURE_FUNCS(extra_attr, EXTRA_ATTR);
4178F2FS_FEATURE_FUNCS(project_quota, PRJQUOTA);
4179F2FS_FEATURE_FUNCS(inode_chksum, INODE_CHKSUM);
4180F2FS_FEATURE_FUNCS(flexible_inline_xattr, FLEXIBLE_INLINE_XATTR);
4181F2FS_FEATURE_FUNCS(quota_ino, QUOTA_INO);
4182F2FS_FEATURE_FUNCS(inode_crtime, INODE_CRTIME);
4183F2FS_FEATURE_FUNCS(lost_found, LOST_FOUND);
4184F2FS_FEATURE_FUNCS(verity, VERITY);
4185F2FS_FEATURE_FUNCS(sb_chksum, SB_CHKSUM);
4186F2FS_FEATURE_FUNCS(casefold, CASEFOLD);
4187F2FS_FEATURE_FUNCS(compression, COMPRESSION);
4188F2FS_FEATURE_FUNCS(readonly, RO);
4189
4190static inline bool f2fs_may_extent_tree(struct inode *inode)
4191{
4192 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
4193
4194 if (!test_opt(sbi, EXTENT_CACHE) ||
4195 is_inode_flag_set(inode, FI_NO_EXTENT) ||
4196 (is_inode_flag_set(inode, FI_COMPRESSED_FILE) &&
4197 !f2fs_sb_has_readonly(sbi)))
4198 return false;
4199
4200
4201
4202
4203
4204 if (list_empty(&sbi->s_list))
4205 return false;
4206
4207 return S_ISREG(inode->i_mode);
4208}
4209
4210#ifdef CONFIG_BLK_DEV_ZONED
4211static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi,
4212 block_t blkaddr)
4213{
4214 unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz;
4215
4216 return test_bit(zno, FDEV(devi).blkz_seq);
4217}
4218#endif
4219
4220static inline bool f2fs_hw_should_discard(struct f2fs_sb_info *sbi)
4221{
4222 return f2fs_sb_has_blkzoned(sbi);
4223}
4224
4225static inline bool f2fs_bdev_support_discard(struct block_device *bdev)
4226{
4227 return blk_queue_discard(bdev_get_queue(bdev)) ||
4228 bdev_is_zoned(bdev);
4229}
4230
4231static inline bool f2fs_hw_support_discard(struct f2fs_sb_info *sbi)
4232{
4233 int i;
4234
4235 if (!f2fs_is_multi_device(sbi))
4236 return f2fs_bdev_support_discard(sbi->sb->s_bdev);
4237
4238 for (i = 0; i < sbi->s_ndevs; i++)
4239 if (f2fs_bdev_support_discard(FDEV(i).bdev))
4240 return true;
4241 return false;
4242}
4243
4244static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info *sbi)
4245{
4246 return (test_opt(sbi, DISCARD) && f2fs_hw_support_discard(sbi)) ||
4247 f2fs_hw_should_discard(sbi);
4248}
4249
4250static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info *sbi)
4251{
4252 int i;
4253
4254 if (!f2fs_is_multi_device(sbi))
4255 return bdev_read_only(sbi->sb->s_bdev);
4256
4257 for (i = 0; i < sbi->s_ndevs; i++)
4258 if (bdev_read_only(FDEV(i).bdev))
4259 return true;
4260 return false;
4261}
4262
4263static inline bool f2fs_lfs_mode(struct f2fs_sb_info *sbi)
4264{
4265 return F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS;
4266}
4267
4268static inline bool f2fs_may_compress(struct inode *inode)
4269{
4270 if (IS_SWAPFILE(inode) || f2fs_is_pinned_file(inode) ||
4271 f2fs_is_atomic_file(inode) ||
4272 f2fs_is_volatile_file(inode))
4273 return false;
4274 return S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode);
4275}
4276
4277static inline void f2fs_i_compr_blocks_update(struct inode *inode,
4278 u64 blocks, bool add)
4279{
4280 int diff = F2FS_I(inode)->i_cluster_size - blocks;
4281 struct f2fs_inode_info *fi = F2FS_I(inode);
4282
4283
4284 if (!add && !atomic_read(&fi->i_compr_blocks))
4285 return;
4286
4287 if (add) {
4288 atomic_add(diff, &fi->i_compr_blocks);
4289 stat_add_compr_blocks(inode, diff);
4290 } else {
4291 atomic_sub(diff, &fi->i_compr_blocks);
4292 stat_sub_compr_blocks(inode, diff);
4293 }
4294 f2fs_mark_inode_dirty_sync(inode, true);
4295}
4296
4297static inline int block_unaligned_IO(struct inode *inode,
4298 struct kiocb *iocb, struct iov_iter *iter)
4299{
4300 unsigned int i_blkbits = READ_ONCE(inode->i_blkbits);
4301 unsigned int blocksize_mask = (1 << i_blkbits) - 1;
4302 loff_t offset = iocb->ki_pos;
4303 unsigned long align = offset | iov_iter_alignment(iter);
4304
4305 return align & blocksize_mask;
4306}
4307
4308static inline int allow_outplace_dio(struct inode *inode,
4309 struct kiocb *iocb, struct iov_iter *iter)
4310{
4311 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
4312 int rw = iov_iter_rw(iter);
4313
4314 return (f2fs_lfs_mode(sbi) && (rw == WRITE) &&
4315 !block_unaligned_IO(inode, iocb, iter));
4316}
4317
4318static inline bool f2fs_force_buffered_io(struct inode *inode,
4319 struct kiocb *iocb, struct iov_iter *iter)
4320{
4321 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
4322 int rw = iov_iter_rw(iter);
4323
4324 if (f2fs_post_read_required(inode))
4325 return true;
4326 if (f2fs_is_multi_device(sbi))
4327 return true;
4328
4329
4330
4331
4332 if (f2fs_sb_has_blkzoned(sbi))
4333 return true;
4334 if (f2fs_lfs_mode(sbi) && (rw == WRITE)) {
4335 if (block_unaligned_IO(inode, iocb, iter))
4336 return true;
4337 if (F2FS_IO_ALIGNED(sbi))
4338 return true;
4339 }
4340 if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED))
4341 return true;
4342
4343 return false;
4344}
4345
4346static inline bool f2fs_need_verity(const struct inode *inode, pgoff_t idx)
4347{
4348 return fsverity_active(inode) &&
4349 idx < DIV_ROUND_UP(inode->i_size, PAGE_SIZE);
4350}
4351
4352#ifdef CONFIG_F2FS_FAULT_INJECTION
4353extern void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate,
4354 unsigned int type);
4355#else
4356#define f2fs_build_fault_attr(sbi, rate, type) do { } while (0)
4357#endif
4358
4359static inline bool is_journalled_quota(struct f2fs_sb_info *sbi)
4360{
4361#ifdef CONFIG_QUOTA
4362 if (f2fs_sb_has_quota_ino(sbi))
4363 return true;
4364 if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] ||
4365 F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] ||
4366 F2FS_OPTION(sbi).s_qf_names[PRJQUOTA])
4367 return true;
4368#endif
4369 return false;
4370}
4371
4372#define EFSBADCRC EBADMSG
4373#define EFSCORRUPTED EUCLEAN
4374
4375#endif
4376