]>
Commit | Line | Data |
---|---|---|
0a8165d7 | 1 | /* |
39a53e0c JK |
2 | * fs/f2fs/f2fs.h |
3 | * | |
4 | * Copyright (c) 2012 Samsung Electronics Co., Ltd. | |
5 | * http://www.samsung.com/ | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | #ifndef _LINUX_F2FS_H | |
12 | #define _LINUX_F2FS_H | |
13 | ||
14 | #include <linux/types.h> | |
15 | #include <linux/page-flags.h> | |
16 | #include <linux/buffer_head.h> | |
39a53e0c JK |
17 | #include <linux/slab.h> |
18 | #include <linux/crc32.h> | |
19 | #include <linux/magic.h> | |
c2d715d1 | 20 | #include <linux/kobject.h> |
7bd59381 | 21 | #include <linux/sched.h> |
39307a8e | 22 | #include <linux/vmalloc.h> |
740432f8 | 23 | #include <linux/bio.h> |
d0239e1b | 24 | #include <linux/blkdev.h> |
0abd675e | 25 | #include <linux/quotaops.h> |
46f47e48 EB |
26 | #ifdef CONFIG_F2FS_FS_ENCRYPTION |
27 | #include <linux/fscrypt_supp.h> | |
28 | #else | |
29 | #include <linux/fscrypt_notsupp.h> | |
30 | #endif | |
43b6573b | 31 | #include <crypto/hash.h> |
39a53e0c | 32 | |
5d56b671 | 33 | #ifdef CONFIG_F2FS_CHECK_FS |
9850cf4a | 34 | #define f2fs_bug_on(sbi, condition) BUG_ON(condition) |
5d56b671 | 35 | #else |
9850cf4a JK |
36 | #define f2fs_bug_on(sbi, condition) \ |
37 | do { \ | |
38 | if (unlikely(condition)) { \ | |
39 | WARN_ON(1); \ | |
caf0047e | 40 | set_sbi_flag(sbi, SBI_NEED_FSCK); \ |
9850cf4a JK |
41 | } \ |
42 | } while (0) | |
5d56b671 JK |
43 | #endif |
44 | ||
2c63fead JK |
45 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
46 | enum { | |
47 | FAULT_KMALLOC, | |
c41f3cc3 | 48 | FAULT_PAGE_ALLOC, |
cb78942b JK |
49 | FAULT_ALLOC_NID, |
50 | FAULT_ORPHAN, | |
51 | FAULT_BLOCK, | |
52 | FAULT_DIR_DEPTH, | |
53aa6bbf | 53 | FAULT_EVICT_INODE, |
14b44d23 | 54 | FAULT_TRUNCATE, |
8b038c70 | 55 | FAULT_IO, |
0f348028 | 56 | FAULT_CHECKPOINT, |
2c63fead JK |
57 | FAULT_MAX, |
58 | }; | |
59 | ||
08796897 SY |
60 | struct f2fs_fault_info { |
61 | atomic_t inject_ops; | |
62 | unsigned int inject_rate; | |
63 | unsigned int inject_type; | |
64 | }; | |
65 | ||
2c63fead | 66 | extern char *fault_name[FAULT_MAX]; |
68afcf2d | 67 | #define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type))) |
2c63fead JK |
68 | #endif |
69 | ||
39a53e0c JK |
70 | /* |
71 | * For mount options | |
72 | */ | |
73 | #define F2FS_MOUNT_BG_GC 0x00000001 | |
74 | #define F2FS_MOUNT_DISABLE_ROLL_FORWARD 0x00000002 | |
75 | #define F2FS_MOUNT_DISCARD 0x00000004 | |
76 | #define F2FS_MOUNT_NOHEAP 0x00000008 | |
77 | #define F2FS_MOUNT_XATTR_USER 0x00000010 | |
78 | #define F2FS_MOUNT_POSIX_ACL 0x00000020 | |
79 | #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040 | |
444c580f | 80 | #define F2FS_MOUNT_INLINE_XATTR 0x00000080 |
1001b347 | 81 | #define F2FS_MOUNT_INLINE_DATA 0x00000100 |
34d67deb CY |
82 | #define F2FS_MOUNT_INLINE_DENTRY 0x00000200 |
83 | #define F2FS_MOUNT_FLUSH_MERGE 0x00000400 | |
84 | #define F2FS_MOUNT_NOBARRIER 0x00000800 | |
d5053a34 | 85 | #define F2FS_MOUNT_FASTBOOT 0x00001000 |
89672159 | 86 | #define F2FS_MOUNT_EXTENT_CACHE 0x00002000 |
6aefd93b | 87 | #define F2FS_MOUNT_FORCE_FG_GC 0x00004000 |
343f40f0 | 88 | #define F2FS_MOUNT_DATA_FLUSH 0x00008000 |
73faec4d | 89 | #define F2FS_MOUNT_FAULT_INJECTION 0x00010000 |
36abef4e JK |
90 | #define F2FS_MOUNT_ADAPTIVE 0x00020000 |
91 | #define F2FS_MOUNT_LFS 0x00040000 | |
0abd675e CY |
92 | #define F2FS_MOUNT_USRQUOTA 0x00080000 |
93 | #define F2FS_MOUNT_GRPQUOTA 0x00100000 | |
5c57132e | 94 | #define F2FS_MOUNT_PRJQUOTA 0x00200000 |
4b2414d0 | 95 | #define F2FS_MOUNT_QUOTA 0x00400000 |
39a53e0c | 96 | |
68afcf2d TK |
97 | #define clear_opt(sbi, option) ((sbi)->mount_opt.opt &= ~F2FS_MOUNT_##option) |
98 | #define set_opt(sbi, option) ((sbi)->mount_opt.opt |= F2FS_MOUNT_##option) | |
99 | #define test_opt(sbi, option) ((sbi)->mount_opt.opt & F2FS_MOUNT_##option) | |
39a53e0c JK |
100 | |
101 | #define ver_after(a, b) (typecheck(unsigned long long, a) && \ | |
102 | typecheck(unsigned long long, b) && \ | |
103 | ((long long)((a) - (b)) > 0)) | |
104 | ||
a9841c4d JK |
105 | typedef u32 block_t; /* |
106 | * should not change u32, since it is the on-disk block | |
107 | * address format, __le32. | |
108 | */ | |
39a53e0c JK |
109 | typedef u32 nid_t; |
110 | ||
111 | struct f2fs_mount_info { | |
112 | unsigned int opt; | |
113 | }; | |
114 | ||
7a2af766 CY |
115 | #define F2FS_FEATURE_ENCRYPT 0x0001 |
116 | #define F2FS_FEATURE_BLKZONED 0x0002 | |
117 | #define F2FS_FEATURE_ATOMIC_WRITE 0x0004 | |
118 | #define F2FS_FEATURE_EXTRA_ATTR 0x0008 | |
5c57132e | 119 | #define F2FS_FEATURE_PRJQUOTA 0x0010 |
704956ec | 120 | #define F2FS_FEATURE_INODE_CHKSUM 0x0020 |
cde4de12 | 121 | |
76f105a2 JK |
122 | #define F2FS_HAS_FEATURE(sb, mask) \ |
123 | ((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0) | |
124 | #define F2FS_SET_FEATURE(sb, mask) \ | |
c64ab12e | 125 | (F2FS_SB(sb)->raw_super->feature |= cpu_to_le32(mask)) |
76f105a2 | 126 | #define F2FS_CLEAR_FEATURE(sb, mask) \ |
c64ab12e | 127 | (F2FS_SB(sb)->raw_super->feature &= ~cpu_to_le32(mask)) |
76f105a2 | 128 | |
39a53e0c JK |
129 | /* |
130 | * For checkpoint manager | |
131 | */ | |
132 | enum { | |
133 | NAT_BITMAP, | |
134 | SIT_BITMAP | |
135 | }; | |
136 | ||
c473f1a9 CY |
137 | #define CP_UMOUNT 0x00000001 |
138 | #define CP_FASTBOOT 0x00000002 | |
139 | #define CP_SYNC 0x00000004 | |
140 | #define CP_RECOVERY 0x00000008 | |
141 | #define CP_DISCARD 0x00000010 | |
1f43e2ad | 142 | #define CP_TRIMMED 0x00000020 |
75ab4cb8 | 143 | |
47b89808 | 144 | #define DEF_BATCHED_TRIM_SECTIONS 2048 |
bba681cb | 145 | #define BATCHED_TRIM_SEGMENTS(sbi) \ |
4ddb1a4d | 146 | (GET_SEG_FROM_SEC(sbi, SM_I(sbi)->trim_sections)) |
a66cdd98 JK |
147 | #define BATCHED_TRIM_BLOCKS(sbi) \ |
148 | (BATCHED_TRIM_SEGMENTS(sbi) << (sbi)->log_blocks_per_seg) | |
4ddb1a4d JK |
149 | #define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi) |
150 | #define DISCARD_ISSUE_RATE 8 | |
969d1b18 CY |
151 | #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */ |
152 | #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */ | |
60b99b48 | 153 | #define DEF_CP_INTERVAL 60 /* 60 secs */ |
dcf25fe8 | 154 | #define DEF_IDLE_INTERVAL 5 /* 5 secs */ |
bba681cb | 155 | |
75ab4cb8 JK |
156 | struct cp_control { |
157 | int reason; | |
4b2fecc8 JK |
158 | __u64 trim_start; |
159 | __u64 trim_end; | |
160 | __u64 trim_minlen; | |
161 | __u64 trimmed; | |
75ab4cb8 JK |
162 | }; |
163 | ||
662befda | 164 | /* |
81c1a0f1 | 165 | * For CP/NAT/SIT/SSA readahead |
662befda CY |
166 | */ |
167 | enum { | |
168 | META_CP, | |
169 | META_NAT, | |
81c1a0f1 | 170 | META_SIT, |
4c521f49 JK |
171 | META_SSA, |
172 | META_POR, | |
662befda CY |
173 | }; |
174 | ||
6451e041 JK |
175 | /* for the list of ino */ |
176 | enum { | |
177 | ORPHAN_INO, /* for orphan ino list */ | |
fff04f90 JK |
178 | APPEND_INO, /* for append ino list */ |
179 | UPDATE_INO, /* for update ino list */ | |
6451e041 JK |
180 | MAX_INO_ENTRY, /* max. list */ |
181 | }; | |
182 | ||
183 | struct ino_entry { | |
39a53e0c JK |
184 | struct list_head list; /* list head */ |
185 | nid_t ino; /* inode number */ | |
186 | }; | |
187 | ||
2710fd7e | 188 | /* for the list of inodes to be GCed */ |
06292073 | 189 | struct inode_entry { |
39a53e0c JK |
190 | struct list_head list; /* list head */ |
191 | struct inode *inode; /* vfs inode pointer */ | |
192 | }; | |
193 | ||
a7eeb823 | 194 | /* for the bitmap indicate blocks to be discarded */ |
7fd9e544 JK |
195 | struct discard_entry { |
196 | struct list_head list; /* list head */ | |
a7eeb823 CY |
197 | block_t start_blkaddr; /* start blockaddr of current segment */ |
198 | unsigned char discard_map[SIT_VBLOCK_MAP_SIZE]; /* segment discard bitmap */ | |
7fd9e544 JK |
199 | }; |
200 | ||
969d1b18 CY |
201 | /* default discard granularity of inner discard thread, unit: block count */ |
202 | #define DEFAULT_DISCARD_GRANULARITY 16 | |
203 | ||
ba48a33e CY |
204 | /* max discard pend list number */ |
205 | #define MAX_PLIST_NUM 512 | |
206 | #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \ | |
207 | (MAX_PLIST_NUM - 1) : (blk_num - 1)) | |
208 | ||
969d1b18 CY |
209 | #define P_ACTIVE 0x01 |
210 | #define P_TRIM 0x02 | |
211 | #define plist_issue(tag) (((tag) & P_ACTIVE) || ((tag) & P_TRIM)) | |
212 | ||
15469963 JK |
213 | enum { |
214 | D_PREP, | |
215 | D_SUBMIT, | |
216 | D_DONE, | |
217 | }; | |
218 | ||
004b6862 CY |
219 | struct discard_info { |
220 | block_t lstart; /* logical start address */ | |
221 | block_t len; /* length */ | |
222 | block_t start; /* actual start address in dev */ | |
223 | }; | |
224 | ||
b01a9201 | 225 | struct discard_cmd { |
004b6862 CY |
226 | struct rb_node rb_node; /* rb node located in rb-tree */ |
227 | union { | |
228 | struct { | |
229 | block_t lstart; /* logical start address */ | |
230 | block_t len; /* length */ | |
231 | block_t start; /* actual start address in dev */ | |
232 | }; | |
233 | struct discard_info di; /* discard info */ | |
234 | ||
235 | }; | |
b01a9201 JK |
236 | struct list_head list; /* command list */ |
237 | struct completion wait; /* compleation */ | |
c81abe34 | 238 | struct block_device *bdev; /* bdev */ |
ec9895ad | 239 | unsigned short ref; /* reference count */ |
9a744b92 | 240 | unsigned char state; /* state */ |
c81abe34 | 241 | int error; /* bio error */ |
275b66b0 CY |
242 | }; |
243 | ||
0b54fb84 | 244 | struct discard_cmd_control { |
15469963 | 245 | struct task_struct *f2fs_issue_discard; /* discard thread */ |
46f84c2c | 246 | struct list_head entry_list; /* 4KB discard entry list */ |
ba48a33e | 247 | struct list_head pend_list[MAX_PLIST_NUM];/* store pending entries */ |
969d1b18 | 248 | unsigned char pend_list_tag[MAX_PLIST_NUM];/* tag for pending entries */ |
46f84c2c | 249 | struct list_head wait_list; /* store on-flushing entries */ |
15469963 | 250 | wait_queue_head_t discard_wait_queue; /* waiting queue for wake-up */ |
969d1b18 | 251 | unsigned int discard_wake; /* to wake up discard thread */ |
15469963 | 252 | struct mutex cmd_lock; |
d618ebaf CY |
253 | unsigned int nr_discards; /* # of discards in the list */ |
254 | unsigned int max_discards; /* max. discards to be issued */ | |
969d1b18 | 255 | unsigned int discard_granularity; /* discard granularity */ |
d84d1cbd | 256 | unsigned int undiscard_blks; /* # of undiscard blocks */ |
8b8dd65f CY |
257 | atomic_t issued_discard; /* # of issued discard */ |
258 | atomic_t issing_discard; /* # of issing discard */ | |
5f32366a | 259 | atomic_t discard_cmd_cnt; /* # of cached cmd count */ |
004b6862 | 260 | struct rb_root root; /* root of discard rb-tree */ |
275b66b0 CY |
261 | }; |
262 | ||
39a53e0c JK |
263 | /* for the list of fsync inodes, used only during recovery */ |
264 | struct fsync_inode_entry { | |
265 | struct list_head list; /* list head */ | |
266 | struct inode *inode; /* vfs inode pointer */ | |
c52e1b10 JK |
267 | block_t blkaddr; /* block address locating the last fsync */ |
268 | block_t last_dentry; /* block address locating the last dentry */ | |
39a53e0c JK |
269 | }; |
270 | ||
68afcf2d TK |
271 | #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats)) |
272 | #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits)) | |
39a53e0c | 273 | |
68afcf2d TK |
274 | #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne) |
275 | #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid) | |
276 | #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se) | |
277 | #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno) | |
39a53e0c | 278 | |
dfc08a12 CY |
279 | #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl)) |
280 | #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl)) | |
309cc2b6 | 281 | |
dfc08a12 | 282 | static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i) |
39a53e0c | 283 | { |
dfc08a12 | 284 | int before = nats_in_cursum(journal); |
cac5a3d8 | 285 | |
dfc08a12 | 286 | journal->n_nats = cpu_to_le16(before + i); |
39a53e0c JK |
287 | return before; |
288 | } | |
289 | ||
dfc08a12 | 290 | static inline int update_sits_in_cursum(struct f2fs_journal *journal, int i) |
39a53e0c | 291 | { |
dfc08a12 | 292 | int before = sits_in_cursum(journal); |
cac5a3d8 | 293 | |
dfc08a12 | 294 | journal->n_sits = cpu_to_le16(before + i); |
39a53e0c JK |
295 | return before; |
296 | } | |
297 | ||
dfc08a12 CY |
298 | static inline bool __has_cursum_space(struct f2fs_journal *journal, |
299 | int size, int type) | |
184a5cd2 CY |
300 | { |
301 | if (type == NAT_JOURNAL) | |
dfc08a12 CY |
302 | return size <= MAX_NAT_JENTRIES(journal); |
303 | return size <= MAX_SIT_JENTRIES(journal); | |
184a5cd2 CY |
304 | } |
305 | ||
e9750824 NJ |
306 | /* |
307 | * ioctl commands | |
308 | */ | |
88b88a66 JK |
309 | #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS |
310 | #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS | |
d49f3e89 | 311 | #define F2FS_IOC_GETVERSION FS_IOC_GETVERSION |
88b88a66 JK |
312 | |
313 | #define F2FS_IOCTL_MAGIC 0xf5 | |
314 | #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1) | |
315 | #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2) | |
02a1335f | 316 | #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3) |
1e84371f JK |
317 | #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4) |
318 | #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5) | |
d07efb50 | 319 | #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32) |
456b88e4 | 320 | #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7) |
d07efb50 JK |
321 | #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \ |
322 | struct f2fs_defragment) | |
4dd6f977 JK |
323 | #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \ |
324 | struct f2fs_move_range) | |
e066b83c JK |
325 | #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \ |
326 | struct f2fs_flush_device) | |
34dc77ad JK |
327 | #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \ |
328 | struct f2fs_gc_range) | |
e65ef207 | 329 | #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32) |
e9750824 | 330 | |
0b81d077 JK |
331 | #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY |
332 | #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY | |
333 | #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT | |
f424f664 | 334 | |
1abff93d JK |
335 | /* |
336 | * should be same as XFS_IOC_GOINGDOWN. | |
337 | * Flags for going down operation used by FS_IOC_GOINGDOWN | |
338 | */ | |
339 | #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */ | |
340 | #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */ | |
341 | #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */ | |
342 | #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */ | |
c912a829 | 343 | #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */ |
1abff93d | 344 | |
e9750824 NJ |
345 | #if defined(__KERNEL__) && defined(CONFIG_COMPAT) |
346 | /* | |
347 | * ioctl commands in 32 bit emulation | |
348 | */ | |
04ef4b62 CY |
349 | #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS |
350 | #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS | |
351 | #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION | |
e9750824 NJ |
352 | #endif |
353 | ||
2c1d0305 CY |
354 | #define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR |
355 | #define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR | |
356 | ||
34dc77ad JK |
357 | struct f2fs_gc_range { |
358 | u32 sync; | |
359 | u64 start; | |
360 | u64 len; | |
361 | }; | |
362 | ||
d323d005 CY |
363 | struct f2fs_defragment { |
364 | u64 start; | |
365 | u64 len; | |
366 | }; | |
367 | ||
4dd6f977 JK |
368 | struct f2fs_move_range { |
369 | u32 dst_fd; /* destination fd */ | |
370 | u64 pos_in; /* start position in src_fd */ | |
371 | u64 pos_out; /* start position in dst_fd */ | |
372 | u64 len; /* size to move */ | |
373 | }; | |
374 | ||
e066b83c JK |
375 | struct f2fs_flush_device { |
376 | u32 dev_num; /* device number to flush */ | |
377 | u32 segments; /* # of segments to flush */ | |
378 | }; | |
379 | ||
f2470371 CY |
380 | /* for inline stuff */ |
381 | #define DEF_INLINE_RESERVED_SIZE 1 | |
7a2af766 CY |
382 | static inline int get_extra_isize(struct inode *inode); |
383 | #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \ | |
384 | (CUR_ADDRS_PER_INODE(inode) - \ | |
385 | DEF_INLINE_RESERVED_SIZE - \ | |
f2470371 CY |
386 | F2FS_INLINE_XATTR_ADDRS)) |
387 | ||
388 | /* for inline dir */ | |
389 | #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \ | |
390 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
391 | BITS_PER_BYTE + 1)) | |
392 | #define INLINE_DENTRY_BITMAP_SIZE(inode) ((NR_INLINE_DENTRY(inode) + \ | |
393 | BITS_PER_BYTE - 1) / BITS_PER_BYTE) | |
394 | #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \ | |
395 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
396 | NR_INLINE_DENTRY(inode) + \ | |
397 | INLINE_DENTRY_BITMAP_SIZE(inode))) | |
398 | ||
39a53e0c JK |
399 | /* |
400 | * For INODE and NODE manager | |
401 | */ | |
7b3cd7d6 JK |
402 | /* for directory operations */ |
403 | struct f2fs_dentry_ptr { | |
d8c6822a | 404 | struct inode *inode; |
76a9dd85 | 405 | void *bitmap; |
7b3cd7d6 JK |
406 | struct f2fs_dir_entry *dentry; |
407 | __u8 (*filename)[F2FS_SLOT_LEN]; | |
408 | int max; | |
76a9dd85 | 409 | int nr_bitmap; |
7b3cd7d6 JK |
410 | }; |
411 | ||
64c24ecb TK |
412 | static inline void make_dentry_ptr_block(struct inode *inode, |
413 | struct f2fs_dentry_ptr *d, struct f2fs_dentry_block *t) | |
7b3cd7d6 | 414 | { |
d8c6822a | 415 | d->inode = inode; |
64c24ecb | 416 | d->max = NR_DENTRY_IN_BLOCK; |
76a9dd85 | 417 | d->nr_bitmap = SIZE_OF_DENTRY_BITMAP; |
64c24ecb TK |
418 | d->bitmap = &t->dentry_bitmap; |
419 | d->dentry = t->dentry; | |
420 | d->filename = t->filename; | |
421 | } | |
d8c6822a | 422 | |
64c24ecb | 423 | static inline void make_dentry_ptr_inline(struct inode *inode, |
f2470371 | 424 | struct f2fs_dentry_ptr *d, void *t) |
64c24ecb | 425 | { |
f2470371 CY |
426 | int entry_cnt = NR_INLINE_DENTRY(inode); |
427 | int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode); | |
428 | int reserved_size = INLINE_RESERVED_SIZE(inode); | |
429 | ||
64c24ecb | 430 | d->inode = inode; |
f2470371 CY |
431 | d->max = entry_cnt; |
432 | d->nr_bitmap = bitmap_size; | |
433 | d->bitmap = t; | |
434 | d->dentry = t + bitmap_size + reserved_size; | |
435 | d->filename = t + bitmap_size + reserved_size + | |
436 | SIZE_OF_DIR_ENTRY * entry_cnt; | |
7b3cd7d6 JK |
437 | } |
438 | ||
dbe6a5ff JK |
439 | /* |
440 | * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1 | |
441 | * as its node offset to distinguish from index node blocks. | |
442 | * But some bits are used to mark the node block. | |
443 | */ | |
444 | #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \ | |
445 | >> OFFSET_BIT_SHIFT) | |
266e97a8 JK |
446 | enum { |
447 | ALLOC_NODE, /* allocate a new node page if needed */ | |
448 | LOOKUP_NODE, /* look up a node without readahead */ | |
449 | LOOKUP_NODE_RA, /* | |
450 | * look up a node with readahead called | |
4f4124d0 | 451 | * by get_data_block. |
39a53e0c | 452 | */ |
266e97a8 JK |
453 | }; |
454 | ||
a6db67f0 | 455 | #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */ |
39a53e0c | 456 | |
817202d9 CY |
457 | #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */ |
458 | ||
13054c54 CY |
459 | /* vector size for gang look-up from extent cache that consists of radix tree */ |
460 | #define EXT_TREE_VEC_SIZE 64 | |
461 | ||
39a53e0c | 462 | /* for in-memory extent cache entry */ |
13054c54 CY |
463 | #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */ |
464 | ||
465 | /* number of extent info in extent cache we try to shrink */ | |
466 | #define EXTENT_CACHE_SHRINK_NUMBER 128 | |
c11abd1a | 467 | |
54c2258c CY |
468 | struct rb_entry { |
469 | struct rb_node rb_node; /* rb node located in rb-tree */ | |
470 | unsigned int ofs; /* start offset of the entry */ | |
471 | unsigned int len; /* length of the entry */ | |
472 | }; | |
473 | ||
39a53e0c | 474 | struct extent_info { |
13054c54 | 475 | unsigned int fofs; /* start offset in a file */ |
13054c54 | 476 | unsigned int len; /* length of the extent */ |
54c2258c | 477 | u32 blk; /* start block address of the extent */ |
13054c54 CY |
478 | }; |
479 | ||
480 | struct extent_node { | |
54c2258c CY |
481 | struct rb_node rb_node; |
482 | union { | |
483 | struct { | |
484 | unsigned int fofs; | |
485 | unsigned int len; | |
486 | u32 blk; | |
487 | }; | |
488 | struct extent_info ei; /* extent info */ | |
489 | ||
490 | }; | |
13054c54 | 491 | struct list_head list; /* node in global extent list of sbi */ |
201ef5e0 | 492 | struct extent_tree *et; /* extent tree pointer */ |
13054c54 CY |
493 | }; |
494 | ||
495 | struct extent_tree { | |
496 | nid_t ino; /* inode number */ | |
497 | struct rb_root root; /* root of extent info rb-tree */ | |
62c8af65 | 498 | struct extent_node *cached_en; /* recently accessed extent node */ |
3e72f721 | 499 | struct extent_info largest; /* largested extent info */ |
137d09f0 | 500 | struct list_head list; /* to be used by sbi->zombie_list */ |
13054c54 | 501 | rwlock_t lock; /* protect extent info rb-tree */ |
68e35385 | 502 | atomic_t node_cnt; /* # of extent node in rb-tree*/ |
39a53e0c JK |
503 | }; |
504 | ||
003a3e1d JK |
505 | /* |
506 | * This structure is taken from ext4_map_blocks. | |
507 | * | |
508 | * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks(). | |
509 | */ | |
510 | #define F2FS_MAP_NEW (1 << BH_New) | |
511 | #define F2FS_MAP_MAPPED (1 << BH_Mapped) | |
7f63eb77 JK |
512 | #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten) |
513 | #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\ | |
514 | F2FS_MAP_UNWRITTEN) | |
003a3e1d JK |
515 | |
516 | struct f2fs_map_blocks { | |
517 | block_t m_pblk; | |
518 | block_t m_lblk; | |
519 | unsigned int m_len; | |
520 | unsigned int m_flags; | |
da85985c | 521 | pgoff_t *m_next_pgofs; /* point next possible non-hole pgofs */ |
003a3e1d JK |
522 | }; |
523 | ||
e2b4e2bc | 524 | /* for flag in get_data_block */ |
f2220c7f QS |
525 | enum { |
526 | F2FS_GET_BLOCK_DEFAULT, | |
527 | F2FS_GET_BLOCK_FIEMAP, | |
528 | F2FS_GET_BLOCK_BMAP, | |
529 | F2FS_GET_BLOCK_PRE_DIO, | |
530 | F2FS_GET_BLOCK_PRE_AIO, | |
531 | }; | |
e2b4e2bc | 532 | |
39a53e0c JK |
533 | /* |
534 | * i_advise uses FADVISE_XXX_BIT. We can add additional hints later. | |
535 | */ | |
536 | #define FADVISE_COLD_BIT 0x01 | |
354a3399 | 537 | #define FADVISE_LOST_PINO_BIT 0x02 |
cde4de12 | 538 | #define FADVISE_ENCRYPT_BIT 0x04 |
e7d55452 | 539 | #define FADVISE_ENC_NAME_BIT 0x08 |
26787236 | 540 | #define FADVISE_KEEP_SIZE_BIT 0x10 |
39a53e0c | 541 | |
b5492af7 JK |
542 | #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT) |
543 | #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT) | |
544 | #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT) | |
545 | #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT) | |
546 | #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT) | |
547 | #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT) | |
cde4de12 JK |
548 | #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT) |
549 | #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT) | |
550 | #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT) | |
e7d55452 JK |
551 | #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT) |
552 | #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT) | |
26787236 JK |
553 | #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT) |
554 | #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT) | |
cde4de12 | 555 | |
ab9fa662 JK |
556 | #define DEF_DIR_LEVEL 0 |
557 | ||
39a53e0c JK |
558 | struct f2fs_inode_info { |
559 | struct inode vfs_inode; /* serve a vfs inode */ | |
560 | unsigned long i_flags; /* keep an inode flags for ioctl */ | |
561 | unsigned char i_advise; /* use to give file attribute hints */ | |
38431545 | 562 | unsigned char i_dir_level; /* use for dentry level for large dir */ |
39a53e0c | 563 | unsigned int i_current_depth; /* use only in directory structure */ |
6666e6aa | 564 | unsigned int i_pino; /* parent inode number */ |
39a53e0c JK |
565 | umode_t i_acl_mode; /* keep file acl mode temporarily */ |
566 | ||
567 | /* Use below internally in f2fs*/ | |
568 | unsigned long flags; /* use to pass per-file flags */ | |
d928bfbf | 569 | struct rw_semaphore i_sem; /* protect fi info */ |
204706c7 | 570 | atomic_t dirty_pages; /* # of dirty pages */ |
39a53e0c JK |
571 | f2fs_hash_t chash; /* hash value of given file name */ |
572 | unsigned int clevel; /* maximum level of given file name */ | |
88c5c13a | 573 | struct task_struct *task; /* lookup and create consistency */ |
b0af6d49 | 574 | struct task_struct *cp_task; /* separate cp/wb IO stats*/ |
39a53e0c | 575 | nid_t i_xattr_nid; /* node id that contains xattrs */ |
26de9b11 | 576 | loff_t last_disk_size; /* lastly written file size */ |
88b88a66 | 577 | |
0abd675e CY |
578 | #ifdef CONFIG_QUOTA |
579 | struct dquot *i_dquot[MAXQUOTAS]; | |
580 | ||
581 | /* quota space reservation, managed internally by quota code */ | |
582 | qsize_t i_reserved_quota; | |
583 | #endif | |
0f18b462 JK |
584 | struct list_head dirty_list; /* dirty list for dirs and files */ |
585 | struct list_head gdirty_list; /* linked in global dirty list */ | |
88b88a66 | 586 | struct list_head inmem_pages; /* inmemory pages managed by f2fs */ |
7a10f017 | 587 | struct task_struct *inmem_task; /* store inmemory task */ |
88b88a66 | 588 | struct mutex inmem_lock; /* lock for inmemory pages */ |
3e72f721 | 589 | struct extent_tree *extent_tree; /* cached extent_tree entry */ |
82e0a5aa | 590 | struct rw_semaphore dio_rwsem[2];/* avoid racing between dio and gc */ |
5a3a2d83 | 591 | struct rw_semaphore i_mmap_sem; |
f2470371 | 592 | |
7a2af766 | 593 | int i_extra_isize; /* size of extra space located in i_addr */ |
5c57132e | 594 | kprojid_t i_projid; /* id for project quota */ |
39a53e0c JK |
595 | }; |
596 | ||
597 | static inline void get_extent_info(struct extent_info *ext, | |
bd933d4f | 598 | struct f2fs_extent *i_ext) |
39a53e0c | 599 | { |
bd933d4f CY |
600 | ext->fofs = le32_to_cpu(i_ext->fofs); |
601 | ext->blk = le32_to_cpu(i_ext->blk); | |
602 | ext->len = le32_to_cpu(i_ext->len); | |
39a53e0c JK |
603 | } |
604 | ||
605 | static inline void set_raw_extent(struct extent_info *ext, | |
606 | struct f2fs_extent *i_ext) | |
607 | { | |
39a53e0c | 608 | i_ext->fofs = cpu_to_le32(ext->fofs); |
4d0b0bd4 | 609 | i_ext->blk = cpu_to_le32(ext->blk); |
39a53e0c | 610 | i_ext->len = cpu_to_le32(ext->len); |
39a53e0c JK |
611 | } |
612 | ||
429511cd CY |
613 | static inline void set_extent_info(struct extent_info *ei, unsigned int fofs, |
614 | u32 blk, unsigned int len) | |
615 | { | |
616 | ei->fofs = fofs; | |
617 | ei->blk = blk; | |
618 | ei->len = len; | |
619 | } | |
620 | ||
004b6862 CY |
621 | static inline bool __is_discard_mergeable(struct discard_info *back, |
622 | struct discard_info *front) | |
623 | { | |
624 | return back->lstart + back->len == front->lstart; | |
625 | } | |
626 | ||
627 | static inline bool __is_discard_back_mergeable(struct discard_info *cur, | |
628 | struct discard_info *back) | |
629 | { | |
630 | return __is_discard_mergeable(back, cur); | |
631 | } | |
632 | ||
633 | static inline bool __is_discard_front_mergeable(struct discard_info *cur, | |
634 | struct discard_info *front) | |
635 | { | |
636 | return __is_discard_mergeable(cur, front); | |
637 | } | |
638 | ||
429511cd CY |
639 | static inline bool __is_extent_mergeable(struct extent_info *back, |
640 | struct extent_info *front) | |
641 | { | |
642 | return (back->fofs + back->len == front->fofs && | |
643 | back->blk + back->len == front->blk); | |
644 | } | |
645 | ||
646 | static inline bool __is_back_mergeable(struct extent_info *cur, | |
647 | struct extent_info *back) | |
648 | { | |
649 | return __is_extent_mergeable(back, cur); | |
650 | } | |
651 | ||
652 | static inline bool __is_front_mergeable(struct extent_info *cur, | |
653 | struct extent_info *front) | |
654 | { | |
655 | return __is_extent_mergeable(cur, front); | |
656 | } | |
657 | ||
cac5a3d8 | 658 | extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync); |
205b9822 JK |
659 | static inline void __try_update_largest_extent(struct inode *inode, |
660 | struct extent_tree *et, struct extent_node *en) | |
4abd3f5a | 661 | { |
205b9822 | 662 | if (en->ei.len > et->largest.len) { |
4abd3f5a | 663 | et->largest = en->ei; |
7c45729a | 664 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 | 665 | } |
4abd3f5a CY |
666 | } |
667 | ||
b8559dc2 CY |
668 | enum nid_list { |
669 | FREE_NID_LIST, | |
670 | ALLOC_NID_LIST, | |
671 | MAX_NID_LIST, | |
672 | }; | |
673 | ||
39a53e0c JK |
674 | struct f2fs_nm_info { |
675 | block_t nat_blkaddr; /* base disk address of NAT */ | |
676 | nid_t max_nid; /* maximum possible node ids */ | |
04d47e67 | 677 | nid_t available_nids; /* # of available node ids */ |
39a53e0c | 678 | nid_t next_scan_nid; /* the next nid to be scanned */ |
cdfc41c1 | 679 | unsigned int ram_thresh; /* control the memory footprint */ |
ea1a29a0 | 680 | unsigned int ra_nid_pages; /* # of nid pages to be readaheaded */ |
2304cb0c | 681 | unsigned int dirty_nats_ratio; /* control dirty nats ratio threshold */ |
39a53e0c JK |
682 | |
683 | /* NAT cache management */ | |
684 | struct radix_tree_root nat_root;/* root of the nat entry cache */ | |
309cc2b6 | 685 | struct radix_tree_root nat_set_root;/* root of the nat set cache */ |
b873b798 | 686 | struct rw_semaphore nat_tree_lock; /* protect nat_tree_lock */ |
39a53e0c | 687 | struct list_head nat_entries; /* cached nat entry list (clean) */ |
309cc2b6 | 688 | unsigned int nat_cnt; /* the # of cached nat entries */ |
aec71382 | 689 | unsigned int dirty_nat_cnt; /* total num of nat entries in set */ |
22ad0b6a | 690 | unsigned int nat_blocks; /* # of nat blocks */ |
39a53e0c JK |
691 | |
692 | /* free node ids management */ | |
8a7ed66a | 693 | struct radix_tree_root free_nid_root;/* root of the free_nid cache */ |
b8559dc2 CY |
694 | struct list_head nid_list[MAX_NID_LIST];/* lists for free nids */ |
695 | unsigned int nid_cnt[MAX_NID_LIST]; /* the number of free node id */ | |
696 | spinlock_t nid_list_lock; /* protect nid lists ops */ | |
39a53e0c | 697 | struct mutex build_lock; /* lock for build free nids */ |
4ac91242 CY |
698 | unsigned char (*free_nid_bitmap)[NAT_ENTRY_BITMAP_SIZE]; |
699 | unsigned char *nat_block_bitmap; | |
586d1492 | 700 | unsigned short *free_nid_count; /* free nid count of NAT block */ |
39a53e0c JK |
701 | |
702 | /* for checkpoint */ | |
703 | char *nat_bitmap; /* NAT bitmap pointer */ | |
22ad0b6a JK |
704 | |
705 | unsigned int nat_bits_blocks; /* # of nat bits blocks */ | |
706 | unsigned char *nat_bits; /* NAT bits blocks */ | |
707 | unsigned char *full_nat_bits; /* full NAT pages */ | |
708 | unsigned char *empty_nat_bits; /* empty NAT pages */ | |
599a09b2 CY |
709 | #ifdef CONFIG_F2FS_CHECK_FS |
710 | char *nat_bitmap_mir; /* NAT bitmap mirror */ | |
711 | #endif | |
39a53e0c JK |
712 | int bitmap_size; /* bitmap size */ |
713 | }; | |
714 | ||
715 | /* | |
716 | * this structure is used as one of function parameters. | |
717 | * all the information are dedicated to a given direct node block determined | |
718 | * by the data offset in a file. | |
719 | */ | |
720 | struct dnode_of_data { | |
721 | struct inode *inode; /* vfs inode pointer */ | |
722 | struct page *inode_page; /* its inode page, NULL is possible */ | |
723 | struct page *node_page; /* cached direct node page */ | |
724 | nid_t nid; /* node id of the direct node block */ | |
725 | unsigned int ofs_in_node; /* data offset in the node page */ | |
726 | bool inode_page_locked; /* inode page is locked or not */ | |
93bae099 | 727 | bool node_changed; /* is node block changed */ |
3cf45747 CY |
728 | char cur_level; /* level of hole node page */ |
729 | char max_level; /* level of current page located */ | |
39a53e0c JK |
730 | block_t data_blkaddr; /* block address of the node block */ |
731 | }; | |
732 | ||
733 | static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode, | |
734 | struct page *ipage, struct page *npage, nid_t nid) | |
735 | { | |
d66d1f76 | 736 | memset(dn, 0, sizeof(*dn)); |
39a53e0c JK |
737 | dn->inode = inode; |
738 | dn->inode_page = ipage; | |
739 | dn->node_page = npage; | |
740 | dn->nid = nid; | |
39a53e0c JK |
741 | } |
742 | ||
743 | /* | |
744 | * For SIT manager | |
745 | * | |
746 | * By default, there are 6 active log areas across the whole main area. | |
747 | * When considering hot and cold data separation to reduce cleaning overhead, | |
748 | * we split 3 for data logs and 3 for node logs as hot, warm, and cold types, | |
749 | * respectively. | |
750 | * In the current design, you should not change the numbers intentionally. | |
751 | * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6 | |
752 | * logs individually according to the underlying devices. (default: 6) | |
753 | * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for | |
754 | * data and 8 for node logs. | |
755 | */ | |
756 | #define NR_CURSEG_DATA_TYPE (3) | |
757 | #define NR_CURSEG_NODE_TYPE (3) | |
758 | #define NR_CURSEG_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE) | |
759 | ||
760 | enum { | |
761 | CURSEG_HOT_DATA = 0, /* directory entry blocks */ | |
762 | CURSEG_WARM_DATA, /* data blocks */ | |
763 | CURSEG_COLD_DATA, /* multimedia or GCed data blocks */ | |
764 | CURSEG_HOT_NODE, /* direct node blocks of directory files */ | |
765 | CURSEG_WARM_NODE, /* direct node blocks of normal files */ | |
766 | CURSEG_COLD_NODE, /* indirect node blocks */ | |
38aa0889 | 767 | NO_CHECK_TYPE, |
39a53e0c JK |
768 | }; |
769 | ||
6b4afdd7 | 770 | struct flush_cmd { |
6b4afdd7 | 771 | struct completion wait; |
721bd4d5 | 772 | struct llist_node llnode; |
6b4afdd7 JK |
773 | int ret; |
774 | }; | |
775 | ||
a688b9d9 GZ |
776 | struct flush_cmd_control { |
777 | struct task_struct *f2fs_issue_flush; /* flush thread */ | |
778 | wait_queue_head_t flush_wait_queue; /* waiting queue for wake-up */ | |
8b8dd65f CY |
779 | atomic_t issued_flush; /* # of issued flushes */ |
780 | atomic_t issing_flush; /* # of issing flushes */ | |
721bd4d5 GZ |
781 | struct llist_head issue_list; /* list for command issue */ |
782 | struct llist_node *dispatch_list; /* list for command dispatch */ | |
a688b9d9 GZ |
783 | }; |
784 | ||
39a53e0c JK |
785 | struct f2fs_sm_info { |
786 | struct sit_info *sit_info; /* whole segment information */ | |
787 | struct free_segmap_info *free_info; /* free segment information */ | |
788 | struct dirty_seglist_info *dirty_info; /* dirty segment information */ | |
789 | struct curseg_info *curseg_array; /* active segment information */ | |
790 | ||
39a53e0c JK |
791 | block_t seg0_blkaddr; /* block address of 0'th segment */ |
792 | block_t main_blkaddr; /* start block address of main area */ | |
793 | block_t ssa_blkaddr; /* start block address of SSA area */ | |
794 | ||
795 | unsigned int segment_count; /* total # of segments */ | |
796 | unsigned int main_segments; /* # of segments in main area */ | |
797 | unsigned int reserved_segments; /* # of reserved segments */ | |
798 | unsigned int ovp_segments; /* # of overprovision segments */ | |
81eb8d6e JK |
799 | |
800 | /* a threshold to reclaim prefree segments */ | |
801 | unsigned int rec_prefree_segments; | |
7fd9e544 | 802 | |
bba681cb JK |
803 | /* for batched trimming */ |
804 | unsigned int trim_sections; /* # of sections to trim */ | |
805 | ||
184a5cd2 CY |
806 | struct list_head sit_entry_set; /* sit entry set list */ |
807 | ||
216fbd64 JK |
808 | unsigned int ipu_policy; /* in-place-update policy */ |
809 | unsigned int min_ipu_util; /* in-place-update threshold */ | |
c1ce1b02 | 810 | unsigned int min_fsync_blocks; /* threshold for fsync */ |
ef095d19 | 811 | unsigned int min_hot_blocks; /* threshold for hot block allocation */ |
6b4afdd7 JK |
812 | |
813 | /* for flush command control */ | |
b01a9201 | 814 | struct flush_cmd_control *fcc_info; |
a688b9d9 | 815 | |
0b54fb84 JK |
816 | /* for discard command control */ |
817 | struct discard_cmd_control *dcc_info; | |
39a53e0c JK |
818 | }; |
819 | ||
39a53e0c JK |
820 | /* |
821 | * For superblock | |
822 | */ | |
823 | /* | |
824 | * COUNT_TYPE for monitoring | |
825 | * | |
826 | * f2fs monitors the number of several block types such as on-writeback, | |
827 | * dirty dentry blocks, dirty node blocks, and dirty meta blocks. | |
828 | */ | |
36951b38 | 829 | #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA) |
39a53e0c | 830 | enum count_type { |
39a53e0c | 831 | F2FS_DIRTY_DENTS, |
c227f912 | 832 | F2FS_DIRTY_DATA, |
39a53e0c JK |
833 | F2FS_DIRTY_NODES, |
834 | F2FS_DIRTY_META, | |
8dcf2ff7 | 835 | F2FS_INMEM_PAGES, |
0f18b462 | 836 | F2FS_DIRTY_IMETA, |
36951b38 CY |
837 | F2FS_WB_CP_DATA, |
838 | F2FS_WB_DATA, | |
39a53e0c JK |
839 | NR_COUNT_TYPE, |
840 | }; | |
841 | ||
39a53e0c | 842 | /* |
e1c42045 | 843 | * The below are the page types of bios used in submit_bio(). |
39a53e0c JK |
844 | * The available types are: |
845 | * DATA User data pages. It operates as async mode. | |
846 | * NODE Node pages. It operates as async mode. | |
847 | * META FS metadata pages such as SIT, NAT, CP. | |
848 | * NR_PAGE_TYPE The number of page types. | |
849 | * META_FLUSH Make sure the previous pages are written | |
850 | * with waiting the bio's completion | |
851 | * ... Only can be used with META. | |
852 | */ | |
7d5e5109 | 853 | #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type)) |
39a53e0c JK |
854 | enum page_type { |
855 | DATA, | |
856 | NODE, | |
857 | META, | |
858 | NR_PAGE_TYPE, | |
859 | META_FLUSH, | |
8ce67cb0 JK |
860 | INMEM, /* the below types are used by tracepoints only. */ |
861 | INMEM_DROP, | |
8c242db9 | 862 | INMEM_INVALIDATE, |
28bc106b | 863 | INMEM_REVOKE, |
8ce67cb0 JK |
864 | IPU, |
865 | OPU, | |
39a53e0c JK |
866 | }; |
867 | ||
a912b54d JK |
868 | enum temp_type { |
869 | HOT = 0, /* must be zero for meta bio */ | |
870 | WARM, | |
871 | COLD, | |
872 | NR_TEMP_TYPE, | |
873 | }; | |
874 | ||
cc15620b JK |
875 | enum need_lock_type { |
876 | LOCK_REQ = 0, | |
877 | LOCK_DONE, | |
878 | LOCK_RETRY, | |
879 | }; | |
880 | ||
b0af6d49 CY |
881 | enum iostat_type { |
882 | APP_DIRECT_IO, /* app direct IOs */ | |
883 | APP_BUFFERED_IO, /* app buffered IOs */ | |
884 | APP_WRITE_IO, /* app write IOs */ | |
885 | APP_MAPPED_IO, /* app mapped IOs */ | |
886 | FS_DATA_IO, /* data IOs from kworker/fsync/reclaimer */ | |
887 | FS_NODE_IO, /* node IOs from kworker/fsync/reclaimer */ | |
888 | FS_META_IO, /* meta IOs from kworker/reclaimer */ | |
889 | FS_GC_DATA_IO, /* data IOs from forground gc */ | |
890 | FS_GC_NODE_IO, /* node IOs from forground gc */ | |
891 | FS_CP_DATA_IO, /* data IOs from checkpoint */ | |
892 | FS_CP_NODE_IO, /* node IOs from checkpoint */ | |
893 | FS_CP_META_IO, /* meta IOs from checkpoint */ | |
894 | FS_DISCARD, /* discard */ | |
895 | NR_IO_TYPE, | |
896 | }; | |
897 | ||
458e6197 | 898 | struct f2fs_io_info { |
05ca3632 | 899 | struct f2fs_sb_info *sbi; /* f2fs_sb_info pointer */ |
7e8f2308 | 900 | enum page_type type; /* contains DATA/NODE/META/META_FLUSH */ |
a912b54d | 901 | enum temp_type temp; /* contains HOT/WARM/COLD */ |
04d328de | 902 | int op; /* contains REQ_OP_ */ |
ef295ecf | 903 | int op_flags; /* req_flag_bits */ |
7a9d7548 | 904 | block_t new_blkaddr; /* new block address to be written */ |
28bc106b | 905 | block_t old_blkaddr; /* old block address before Cow */ |
05ca3632 | 906 | struct page *page; /* page to be written */ |
4375a336 | 907 | struct page *encrypted_page; /* encrypted page */ |
fb830fc5 | 908 | struct list_head list; /* serialize IOs */ |
d68f735b | 909 | bool submitted; /* indicate IO submission */ |
cc15620b | 910 | int need_lock; /* indicate we need to lock cp_rwsem */ |
fb830fc5 | 911 | bool in_list; /* indicate fio is in io_list */ |
b0af6d49 | 912 | enum iostat_type io_type; /* io type */ |
458e6197 JK |
913 | }; |
914 | ||
68afcf2d | 915 | #define is_read_io(rw) ((rw) == READ) |
1ff7bd3b | 916 | struct f2fs_bio_info { |
458e6197 | 917 | struct f2fs_sb_info *sbi; /* f2fs superblock */ |
1ff7bd3b JK |
918 | struct bio *bio; /* bios to merge */ |
919 | sector_t last_block_in_bio; /* last block number */ | |
458e6197 | 920 | struct f2fs_io_info fio; /* store buffered io info. */ |
df0f8dc0 | 921 | struct rw_semaphore io_rwsem; /* blocking op for bio */ |
fb830fc5 CY |
922 | spinlock_t io_lock; /* serialize DATA/NODE IOs */ |
923 | struct list_head io_list; /* track fios */ | |
1ff7bd3b JK |
924 | }; |
925 | ||
3c62be17 JK |
926 | #define FDEV(i) (sbi->devs[i]) |
927 | #define RDEV(i) (raw_super->devs[i]) | |
928 | struct f2fs_dev_info { | |
929 | struct block_device *bdev; | |
930 | char path[MAX_PATH_LEN]; | |
931 | unsigned int total_segments; | |
932 | block_t start_blk; | |
933 | block_t end_blk; | |
934 | #ifdef CONFIG_BLK_DEV_ZONED | |
935 | unsigned int nr_blkz; /* Total number of zones */ | |
936 | u8 *blkz_type; /* Array of zones type */ | |
937 | #endif | |
938 | }; | |
939 | ||
c227f912 CY |
940 | enum inode_type { |
941 | DIR_INODE, /* for dirty dir inode */ | |
942 | FILE_INODE, /* for dirty regular/symlink inode */ | |
0f18b462 | 943 | DIRTY_META, /* for all dirtied inode metadata */ |
c227f912 CY |
944 | NR_INODE_TYPE, |
945 | }; | |
946 | ||
67298804 CY |
947 | /* for inner inode cache management */ |
948 | struct inode_management { | |
949 | struct radix_tree_root ino_root; /* ino entry array */ | |
950 | spinlock_t ino_lock; /* for ino entry lock */ | |
951 | struct list_head ino_list; /* inode list head */ | |
952 | unsigned long ino_num; /* number of entries */ | |
953 | }; | |
954 | ||
caf0047e CY |
955 | /* For s_flag in struct f2fs_sb_info */ |
956 | enum { | |
957 | SBI_IS_DIRTY, /* dirty flag for checkpoint */ | |
958 | SBI_IS_CLOSE, /* specify unmounting */ | |
959 | SBI_NEED_FSCK, /* need fsck.f2fs to fix */ | |
960 | SBI_POR_DOING, /* recovery is doing or not */ | |
df728b0f | 961 | SBI_NEED_SB_WRITE, /* need to recover superblock */ |
bbf156f7 | 962 | SBI_NEED_CP, /* need to checkpoint */ |
caf0047e CY |
963 | }; |
964 | ||
6beceb54 JK |
965 | enum { |
966 | CP_TIME, | |
d0239e1b | 967 | REQ_TIME, |
6beceb54 JK |
968 | MAX_TIME, |
969 | }; | |
970 | ||
39a53e0c JK |
971 | struct f2fs_sb_info { |
972 | struct super_block *sb; /* pointer to VFS super block */ | |
5e176d54 | 973 | struct proc_dir_entry *s_proc; /* proc entry */ |
39a53e0c | 974 | struct f2fs_super_block *raw_super; /* raw super block pointer */ |
e8240f65 | 975 | int valid_super_block; /* valid super block no */ |
fadb2fb8 | 976 | unsigned long s_flag; /* flags for sbi */ |
39a53e0c | 977 | |
178053e2 | 978 | #ifdef CONFIG_BLK_DEV_ZONED |
178053e2 DLM |
979 | unsigned int blocks_per_blkz; /* F2FS blocks per zone */ |
980 | unsigned int log_blocks_per_blkz; /* log2 F2FS blocks per zone */ | |
178053e2 DLM |
981 | #endif |
982 | ||
39a53e0c JK |
983 | /* for node-related operations */ |
984 | struct f2fs_nm_info *nm_info; /* node manager */ | |
985 | struct inode *node_inode; /* cache node blocks */ | |
986 | ||
987 | /* for segment-related operations */ | |
988 | struct f2fs_sm_info *sm_info; /* segment manager */ | |
1ff7bd3b JK |
989 | |
990 | /* for bio operations */ | |
a912b54d | 991 | struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */ |
e41e6d75 CY |
992 | struct mutex wio_mutex[NR_PAGE_TYPE - 1][NR_TEMP_TYPE]; |
993 | /* bio ordering for NODE/DATA */ | |
0a595eba JK |
994 | int write_io_size_bits; /* Write IO size bits */ |
995 | mempool_t *write_io_dummy; /* Dummy pages */ | |
39a53e0c JK |
996 | |
997 | /* for checkpoint */ | |
998 | struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */ | |
8508e44a | 999 | int cur_cp_pack; /* remain current cp pack */ |
aaec2b1d | 1000 | spinlock_t cp_lock; /* for flag in ckpt */ |
39a53e0c | 1001 | struct inode *meta_inode; /* cache meta blocks */ |
39936837 | 1002 | struct mutex cp_mutex; /* checkpoint procedure lock */ |
b873b798 | 1003 | struct rw_semaphore cp_rwsem; /* blocking FS operations */ |
b3582c68 | 1004 | struct rw_semaphore node_write; /* locking node writes */ |
59c9081b | 1005 | struct rw_semaphore node_change; /* locking node change */ |
fb51b5ef | 1006 | wait_queue_head_t cp_wait; |
6beceb54 JK |
1007 | unsigned long last_time[MAX_TIME]; /* to store time in jiffies */ |
1008 | long interval_time[MAX_TIME]; /* to store thresholds */ | |
39a53e0c | 1009 | |
67298804 | 1010 | struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */ |
6451e041 JK |
1011 | |
1012 | /* for orphan inode, use 0'th array */ | |
0d47c1ad | 1013 | unsigned int max_orphans; /* max orphan inodes */ |
39a53e0c | 1014 | |
c227f912 CY |
1015 | /* for inode management */ |
1016 | struct list_head inode_list[NR_INODE_TYPE]; /* dirty inode list */ | |
1017 | spinlock_t inode_lock[NR_INODE_TYPE]; /* for dirty inode list lock */ | |
39a53e0c | 1018 | |
13054c54 CY |
1019 | /* for extent tree cache */ |
1020 | struct radix_tree_root extent_tree_root;/* cache extent cache entries */ | |
5e8256ac | 1021 | struct mutex extent_tree_lock; /* locking extent radix tree */ |
13054c54 CY |
1022 | struct list_head extent_list; /* lru list for shrinker */ |
1023 | spinlock_t extent_lock; /* locking extent lru list */ | |
7441ccef | 1024 | atomic_t total_ext_tree; /* extent tree count */ |
137d09f0 | 1025 | struct list_head zombie_list; /* extent zombie tree list */ |
74fd8d99 | 1026 | atomic_t total_zombie_tree; /* extent zombie tree count */ |
13054c54 CY |
1027 | atomic_t total_ext_node; /* extent info count */ |
1028 | ||
e1c42045 | 1029 | /* basic filesystem units */ |
39a53e0c JK |
1030 | unsigned int log_sectors_per_block; /* log2 sectors per block */ |
1031 | unsigned int log_blocksize; /* log2 block size */ | |
1032 | unsigned int blocksize; /* block size */ | |
1033 | unsigned int root_ino_num; /* root inode number*/ | |
1034 | unsigned int node_ino_num; /* node inode number*/ | |
1035 | unsigned int meta_ino_num; /* meta inode number*/ | |
1036 | unsigned int log_blocks_per_seg; /* log2 blocks per segment */ | |
1037 | unsigned int blocks_per_seg; /* blocks per segment */ | |
1038 | unsigned int segs_per_sec; /* segments per section */ | |
1039 | unsigned int secs_per_zone; /* sections per zone */ | |
1040 | unsigned int total_sections; /* total section count */ | |
1041 | unsigned int total_node_count; /* total node block count */ | |
1042 | unsigned int total_valid_node_count; /* valid node block count */ | |
e0afc4d6 | 1043 | loff_t max_file_blocks; /* max block index of file */ |
39a53e0c | 1044 | int active_logs; /* # of active logs */ |
ab9fa662 | 1045 | int dir_level; /* directory level */ |
39a53e0c JK |
1046 | |
1047 | block_t user_block_count; /* # of user blocks */ | |
1048 | block_t total_valid_block_count; /* # of valid blocks */ | |
a66cdd98 | 1049 | block_t discard_blks; /* discard command candidats */ |
39a53e0c | 1050 | block_t last_valid_block_count; /* for recovery */ |
daeb433e CY |
1051 | block_t reserved_blocks; /* configurable reserved blocks */ |
1052 | ||
39a53e0c | 1053 | u32 s_next_generation; /* for NFS support */ |
523be8a6 JK |
1054 | |
1055 | /* # of pages, see count_type */ | |
35782b23 | 1056 | atomic_t nr_pages[NR_COUNT_TYPE]; |
41382ec4 JK |
1057 | /* # of allocated blocks */ |
1058 | struct percpu_counter alloc_valid_block_count; | |
39a53e0c | 1059 | |
687de7f1 JK |
1060 | /* writeback control */ |
1061 | atomic_t wb_sync_req; /* count # of WB_SYNC threads */ | |
1062 | ||
513c5f37 JK |
1063 | /* valid inode count */ |
1064 | struct percpu_counter total_valid_inode_count; | |
1065 | ||
39a53e0c JK |
1066 | struct f2fs_mount_info mount_opt; /* mount options */ |
1067 | ||
1068 | /* for cleaning operations */ | |
1069 | struct mutex gc_mutex; /* mutex for GC */ | |
1070 | struct f2fs_gc_kthread *gc_thread; /* GC thread */ | |
5ec4e49f | 1071 | unsigned int cur_victim_sec; /* current victim section num */ |
39a53e0c | 1072 | |
e93b9865 HP |
1073 | /* threshold for converting bg victims for fg */ |
1074 | u64 fggc_threshold; | |
1075 | ||
b1c57c1c JK |
1076 | /* maximum # of trials to find a victim segment for SSR and GC */ |
1077 | unsigned int max_victim_search; | |
1078 | ||
39a53e0c JK |
1079 | /* |
1080 | * for stat information. | |
1081 | * one is for the LFS mode, and the other is for the SSR mode. | |
1082 | */ | |
35b09d82 | 1083 | #ifdef CONFIG_F2FS_STAT_FS |
39a53e0c JK |
1084 | struct f2fs_stat_info *stat_info; /* FS status information */ |
1085 | unsigned int segment_count[2]; /* # of allocated segments */ | |
1086 | unsigned int block_count[2]; /* # of allocated blocks */ | |
b9a2c252 | 1087 | atomic_t inplace_count; /* # of inplace update */ |
5b7ee374 CY |
1088 | atomic64_t total_hit_ext; /* # of lookup extent cache */ |
1089 | atomic64_t read_hit_rbtree; /* # of hit rbtree extent node */ | |
1090 | atomic64_t read_hit_largest; /* # of hit largest extent node */ | |
1091 | atomic64_t read_hit_cached; /* # of hit cached extent node */ | |
d5e8f6c9 | 1092 | atomic_t inline_xattr; /* # of inline_xattr inodes */ |
03e14d52 CY |
1093 | atomic_t inline_inode; /* # of inline_data inodes */ |
1094 | atomic_t inline_dir; /* # of inline_dentry inodes */ | |
26a28a0c | 1095 | atomic_t aw_cnt; /* # of atomic writes */ |
648d50ba | 1096 | atomic_t vw_cnt; /* # of volatile writes */ |
26a28a0c | 1097 | atomic_t max_aw_cnt; /* max # of atomic writes */ |
648d50ba | 1098 | atomic_t max_vw_cnt; /* max # of volatile writes */ |
39a53e0c | 1099 | int bg_gc; /* background gc calls */ |
33fbd510 | 1100 | unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */ |
35b09d82 | 1101 | #endif |
39a53e0c | 1102 | spinlock_t stat_lock; /* lock for stat operations */ |
b59d0bae | 1103 | |
b0af6d49 CY |
1104 | /* For app/fs IO statistics */ |
1105 | spinlock_t iostat_lock; | |
1106 | unsigned long long write_iostat[NR_IO_TYPE]; | |
1107 | bool iostat_enable; | |
1108 | ||
b59d0bae NJ |
1109 | /* For sysfs suppport */ |
1110 | struct kobject s_kobj; | |
1111 | struct completion s_kobj_unregister; | |
2658e50d JK |
1112 | |
1113 | /* For shrinker support */ | |
1114 | struct list_head s_list; | |
3c62be17 JK |
1115 | int s_ndevs; /* number of devices */ |
1116 | struct f2fs_dev_info *devs; /* for device list */ | |
2658e50d JK |
1117 | struct mutex umount_mutex; |
1118 | unsigned int shrinker_run_no; | |
8f1dbbbb SL |
1119 | |
1120 | /* For write statistics */ | |
1121 | u64 sectors_written_start; | |
1122 | u64 kbytes_written; | |
43b6573b KM |
1123 | |
1124 | /* Reference to checksum algorithm driver via cryptoapi */ | |
1125 | struct crypto_shash *s_chksum_driver; | |
1ecc0c5c | 1126 | |
704956ec CY |
1127 | /* Precomputed FS UUID checksum for seeding other checksums */ |
1128 | __u32 s_chksum_seed; | |
1129 | ||
1ecc0c5c CY |
1130 | /* For fault injection */ |
1131 | #ifdef CONFIG_F2FS_FAULT_INJECTION | |
1132 | struct f2fs_fault_info fault_info; | |
1133 | #endif | |
4b2414d0 CY |
1134 | |
1135 | #ifdef CONFIG_QUOTA | |
1136 | /* Names of quota files with journalled quota */ | |
1137 | char *s_qf_names[MAXQUOTAS]; | |
1138 | int s_jquota_fmt; /* Format of quota to use */ | |
1139 | #endif | |
39a53e0c JK |
1140 | }; |
1141 | ||
1ecc0c5c | 1142 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
55523519 CY |
1143 | #define f2fs_show_injection_info(type) \ |
1144 | printk("%sF2FS-fs : inject %s in %s of %pF\n", \ | |
1145 | KERN_INFO, fault_name[type], \ | |
1146 | __func__, __builtin_return_address(0)) | |
1ecc0c5c CY |
1147 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) |
1148 | { | |
1149 | struct f2fs_fault_info *ffi = &sbi->fault_info; | |
1150 | ||
1151 | if (!ffi->inject_rate) | |
1152 | return false; | |
1153 | ||
1154 | if (!IS_FAULT_SET(ffi, type)) | |
1155 | return false; | |
1156 | ||
1157 | atomic_inc(&ffi->inject_ops); | |
1158 | if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) { | |
1159 | atomic_set(&ffi->inject_ops, 0); | |
1ecc0c5c CY |
1160 | return true; |
1161 | } | |
1162 | return false; | |
1163 | } | |
1164 | #endif | |
1165 | ||
8f1dbbbb SL |
1166 | /* For write statistics. Suppose sector size is 512 bytes, |
1167 | * and the return value is in kbytes. s is of struct f2fs_sb_info. | |
1168 | */ | |
1169 | #define BD_PART_WRITTEN(s) \ | |
68afcf2d TK |
1170 | (((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[1]) - \ |
1171 | (s)->sectors_written_start) >> 1) | |
8f1dbbbb | 1172 | |
6beceb54 JK |
1173 | static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type) |
1174 | { | |
1175 | sbi->last_time[type] = jiffies; | |
1176 | } | |
1177 | ||
1178 | static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type) | |
1179 | { | |
1180 | struct timespec ts = {sbi->interval_time[type], 0}; | |
1181 | unsigned long interval = timespec_to_jiffies(&ts); | |
1182 | ||
1183 | return time_after(jiffies, sbi->last_time[type] + interval); | |
1184 | } | |
1185 | ||
d0239e1b JK |
1186 | static inline bool is_idle(struct f2fs_sb_info *sbi) |
1187 | { | |
1188 | struct block_device *bdev = sbi->sb->s_bdev; | |
1189 | struct request_queue *q = bdev_get_queue(bdev); | |
1190 | struct request_list *rl = &q->root_rl; | |
1191 | ||
1192 | if (rl->count[BLK_RW_SYNC] || rl->count[BLK_RW_ASYNC]) | |
1193 | return 0; | |
1194 | ||
1195 | return f2fs_time_over(sbi, REQ_TIME); | |
1196 | } | |
1197 | ||
39a53e0c JK |
1198 | /* |
1199 | * Inline functions | |
1200 | */ | |
43b6573b KM |
1201 | static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address, |
1202 | unsigned int length) | |
1203 | { | |
1204 | SHASH_DESC_ON_STACK(shash, sbi->s_chksum_driver); | |
1205 | u32 *ctx = (u32 *)shash_desc_ctx(shash); | |
d41519a6 | 1206 | u32 retval; |
43b6573b KM |
1207 | int err; |
1208 | ||
1209 | shash->tfm = sbi->s_chksum_driver; | |
1210 | shash->flags = 0; | |
1211 | *ctx = F2FS_SUPER_MAGIC; | |
1212 | ||
1213 | err = crypto_shash_update(shash, address, length); | |
1214 | BUG_ON(err); | |
1215 | ||
d41519a6 DM |
1216 | retval = *ctx; |
1217 | barrier_data(ctx); | |
1218 | return retval; | |
43b6573b KM |
1219 | } |
1220 | ||
1221 | static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc, | |
1222 | void *buf, size_t buf_size) | |
1223 | { | |
1224 | return f2fs_crc32(sbi, buf, buf_size) == blk_crc; | |
1225 | } | |
1226 | ||
704956ec CY |
1227 | static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc, |
1228 | const void *address, unsigned int length) | |
1229 | { | |
1230 | struct { | |
1231 | struct shash_desc shash; | |
1232 | char ctx[4]; | |
1233 | } desc; | |
1234 | int err; | |
1235 | ||
1236 | BUG_ON(crypto_shash_descsize(sbi->s_chksum_driver) != sizeof(desc.ctx)); | |
1237 | ||
1238 | desc.shash.tfm = sbi->s_chksum_driver; | |
1239 | desc.shash.flags = 0; | |
1240 | *(u32 *)desc.ctx = crc; | |
1241 | ||
1242 | err = crypto_shash_update(&desc.shash, address, length); | |
1243 | BUG_ON(err); | |
1244 | ||
1245 | return *(u32 *)desc.ctx; | |
1246 | } | |
1247 | ||
39a53e0c JK |
1248 | static inline struct f2fs_inode_info *F2FS_I(struct inode *inode) |
1249 | { | |
1250 | return container_of(inode, struct f2fs_inode_info, vfs_inode); | |
1251 | } | |
1252 | ||
1253 | static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb) | |
1254 | { | |
1255 | return sb->s_fs_info; | |
1256 | } | |
1257 | ||
4081363f JK |
1258 | static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode) |
1259 | { | |
1260 | return F2FS_SB(inode->i_sb); | |
1261 | } | |
1262 | ||
1263 | static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping) | |
1264 | { | |
1265 | return F2FS_I_SB(mapping->host); | |
1266 | } | |
1267 | ||
1268 | static inline struct f2fs_sb_info *F2FS_P_SB(struct page *page) | |
1269 | { | |
1270 | return F2FS_M_SB(page->mapping); | |
1271 | } | |
1272 | ||
39a53e0c JK |
1273 | static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi) |
1274 | { | |
1275 | return (struct f2fs_super_block *)(sbi->raw_super); | |
1276 | } | |
1277 | ||
1278 | static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi) | |
1279 | { | |
1280 | return (struct f2fs_checkpoint *)(sbi->ckpt); | |
1281 | } | |
1282 | ||
45590710 GZ |
1283 | static inline struct f2fs_node *F2FS_NODE(struct page *page) |
1284 | { | |
1285 | return (struct f2fs_node *)page_address(page); | |
1286 | } | |
1287 | ||
58bfaf44 JK |
1288 | static inline struct f2fs_inode *F2FS_INODE(struct page *page) |
1289 | { | |
1290 | return &((struct f2fs_node *)page_address(page))->i; | |
1291 | } | |
1292 | ||
39a53e0c JK |
1293 | static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi) |
1294 | { | |
1295 | return (struct f2fs_nm_info *)(sbi->nm_info); | |
1296 | } | |
1297 | ||
1298 | static inline struct f2fs_sm_info *SM_I(struct f2fs_sb_info *sbi) | |
1299 | { | |
1300 | return (struct f2fs_sm_info *)(sbi->sm_info); | |
1301 | } | |
1302 | ||
1303 | static inline struct sit_info *SIT_I(struct f2fs_sb_info *sbi) | |
1304 | { | |
1305 | return (struct sit_info *)(SM_I(sbi)->sit_info); | |
1306 | } | |
1307 | ||
1308 | static inline struct free_segmap_info *FREE_I(struct f2fs_sb_info *sbi) | |
1309 | { | |
1310 | return (struct free_segmap_info *)(SM_I(sbi)->free_info); | |
1311 | } | |
1312 | ||
1313 | static inline struct dirty_seglist_info *DIRTY_I(struct f2fs_sb_info *sbi) | |
1314 | { | |
1315 | return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info); | |
1316 | } | |
1317 | ||
9df27d98 GZ |
1318 | static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi) |
1319 | { | |
1320 | return sbi->meta_inode->i_mapping; | |
1321 | } | |
1322 | ||
4ef51a8f JK |
1323 | static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi) |
1324 | { | |
1325 | return sbi->node_inode->i_mapping; | |
1326 | } | |
1327 | ||
caf0047e CY |
1328 | static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type) |
1329 | { | |
fadb2fb8 | 1330 | return test_bit(type, &sbi->s_flag); |
caf0047e CY |
1331 | } |
1332 | ||
1333 | static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) | |
39a53e0c | 1334 | { |
fadb2fb8 | 1335 | set_bit(type, &sbi->s_flag); |
39a53e0c JK |
1336 | } |
1337 | ||
caf0047e | 1338 | static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) |
39a53e0c | 1339 | { |
fadb2fb8 | 1340 | clear_bit(type, &sbi->s_flag); |
39a53e0c JK |
1341 | } |
1342 | ||
d71b5564 JK |
1343 | static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp) |
1344 | { | |
1345 | return le64_to_cpu(cp->checkpoint_ver); | |
1346 | } | |
1347 | ||
ced2c7ea KM |
1348 | static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp) |
1349 | { | |
1350 | size_t crc_offset = le32_to_cpu(cp->checksum_offset); | |
1351 | return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset))); | |
1352 | } | |
1353 | ||
aaec2b1d | 1354 | static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) |
25ca923b JK |
1355 | { |
1356 | unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
aaec2b1d | 1357 | |
25ca923b JK |
1358 | return ckpt_flags & f; |
1359 | } | |
1360 | ||
aaec2b1d | 1361 | static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 1362 | { |
aaec2b1d CY |
1363 | return __is_set_ckpt_flags(F2FS_CKPT(sbi), f); |
1364 | } | |
1365 | ||
1366 | static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
1367 | { | |
1368 | unsigned int ckpt_flags; | |
1369 | ||
1370 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
1371 | ckpt_flags |= f; |
1372 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
1373 | } | |
1374 | ||
aaec2b1d | 1375 | static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 1376 | { |
d1aa2453 CY |
1377 | unsigned long flags; |
1378 | ||
1379 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
aaec2b1d | 1380 | __set_ckpt_flags(F2FS_CKPT(sbi), f); |
d1aa2453 | 1381 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
aaec2b1d CY |
1382 | } |
1383 | ||
1384 | static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
1385 | { | |
1386 | unsigned int ckpt_flags; | |
1387 | ||
1388 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
1389 | ckpt_flags &= (~f); |
1390 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
1391 | } | |
1392 | ||
aaec2b1d CY |
1393 | static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
1394 | { | |
d1aa2453 CY |
1395 | unsigned long flags; |
1396 | ||
1397 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
aaec2b1d | 1398 | __clear_ckpt_flags(F2FS_CKPT(sbi), f); |
d1aa2453 | 1399 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
aaec2b1d CY |
1400 | } |
1401 | ||
22ad0b6a JK |
1402 | static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock) |
1403 | { | |
d1aa2453 CY |
1404 | unsigned long flags; |
1405 | ||
22ad0b6a JK |
1406 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
1407 | ||
1408 | if (lock) | |
d1aa2453 | 1409 | spin_lock_irqsave(&sbi->cp_lock, flags); |
22ad0b6a JK |
1410 | __clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG); |
1411 | kfree(NM_I(sbi)->nat_bits); | |
1412 | NM_I(sbi)->nat_bits = NULL; | |
1413 | if (lock) | |
d1aa2453 | 1414 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
22ad0b6a JK |
1415 | } |
1416 | ||
1417 | static inline bool enabled_nat_bits(struct f2fs_sb_info *sbi, | |
1418 | struct cp_control *cpc) | |
1419 | { | |
1420 | bool set = is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG); | |
1421 | ||
c473f1a9 | 1422 | return (cpc) ? (cpc->reason & CP_UMOUNT) && set : set; |
22ad0b6a JK |
1423 | } |
1424 | ||
e479556b | 1425 | static inline void f2fs_lock_op(struct f2fs_sb_info *sbi) |
39936837 | 1426 | { |
b873b798 | 1427 | down_read(&sbi->cp_rwsem); |
39936837 JK |
1428 | } |
1429 | ||
cc15620b JK |
1430 | static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi) |
1431 | { | |
1432 | return down_read_trylock(&sbi->cp_rwsem); | |
1433 | } | |
1434 | ||
e479556b | 1435 | static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi) |
39a53e0c | 1436 | { |
b873b798 | 1437 | up_read(&sbi->cp_rwsem); |
39a53e0c JK |
1438 | } |
1439 | ||
e479556b | 1440 | static inline void f2fs_lock_all(struct f2fs_sb_info *sbi) |
39a53e0c | 1441 | { |
b873b798 | 1442 | down_write(&sbi->cp_rwsem); |
39936837 JK |
1443 | } |
1444 | ||
e479556b | 1445 | static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi) |
39936837 | 1446 | { |
b873b798 | 1447 | up_write(&sbi->cp_rwsem); |
39a53e0c JK |
1448 | } |
1449 | ||
119ee914 JK |
1450 | static inline int __get_cp_reason(struct f2fs_sb_info *sbi) |
1451 | { | |
1452 | int reason = CP_SYNC; | |
1453 | ||
1454 | if (test_opt(sbi, FASTBOOT)) | |
1455 | reason = CP_FASTBOOT; | |
1456 | if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) | |
1457 | reason = CP_UMOUNT; | |
1458 | return reason; | |
1459 | } | |
1460 | ||
1461 | static inline bool __remain_node_summaries(int reason) | |
1462 | { | |
c473f1a9 | 1463 | return (reason & (CP_UMOUNT | CP_FASTBOOT)); |
119ee914 JK |
1464 | } |
1465 | ||
1466 | static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi) | |
1467 | { | |
aaec2b1d CY |
1468 | return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) || |
1469 | is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG)); | |
119ee914 JK |
1470 | } |
1471 | ||
39a53e0c JK |
1472 | /* |
1473 | * Check whether the given nid is within node id range. | |
1474 | */ | |
064e0823 | 1475 | static inline int check_nid_range(struct f2fs_sb_info *sbi, nid_t nid) |
39a53e0c | 1476 | { |
d6b7d4b3 CY |
1477 | if (unlikely(nid < F2FS_ROOT_INO(sbi))) |
1478 | return -EINVAL; | |
cfb271d4 | 1479 | if (unlikely(nid >= NM_I(sbi)->max_nid)) |
064e0823 NJ |
1480 | return -EINVAL; |
1481 | return 0; | |
39a53e0c JK |
1482 | } |
1483 | ||
39a53e0c JK |
1484 | /* |
1485 | * Check whether the inode has blocks or not | |
1486 | */ | |
1487 | static inline int F2FS_HAS_BLOCKS(struct inode *inode) | |
1488 | { | |
0eb0adad CY |
1489 | block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0; |
1490 | ||
000519f2 | 1491 | return (inode->i_blocks >> F2FS_LOG_SECTORS_PER_BLOCK) > xattr_block; |
39a53e0c JK |
1492 | } |
1493 | ||
4bc8e9bc CY |
1494 | static inline bool f2fs_has_xattr_block(unsigned int ofs) |
1495 | { | |
1496 | return ofs == XATTR_NODE_OFFSET; | |
1497 | } | |
1498 | ||
0abd675e CY |
1499 | static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool); |
1500 | static inline int inc_valid_block_count(struct f2fs_sb_info *sbi, | |
46008c6d | 1501 | struct inode *inode, blkcnt_t *count) |
39a53e0c | 1502 | { |
0abd675e | 1503 | blkcnt_t diff = 0, release = 0; |
daeb433e | 1504 | block_t avail_user_block_count; |
0abd675e CY |
1505 | int ret; |
1506 | ||
1507 | ret = dquot_reserve_block(inode, *count); | |
1508 | if (ret) | |
1509 | return ret; | |
39a53e0c | 1510 | |
cb78942b | 1511 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
55523519 CY |
1512 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
1513 | f2fs_show_injection_info(FAULT_BLOCK); | |
0abd675e CY |
1514 | release = *count; |
1515 | goto enospc; | |
55523519 | 1516 | } |
cb78942b | 1517 | #endif |
dd11a5df JK |
1518 | /* |
1519 | * let's increase this in prior to actual block count change in order | |
1520 | * for f2fs_sync_file to avoid data races when deciding checkpoint. | |
1521 | */ | |
1522 | percpu_counter_add(&sbi->alloc_valid_block_count, (*count)); | |
1523 | ||
2555a2d5 JK |
1524 | spin_lock(&sbi->stat_lock); |
1525 | sbi->total_valid_block_count += (block_t)(*count); | |
daeb433e CY |
1526 | avail_user_block_count = sbi->user_block_count - sbi->reserved_blocks; |
1527 | if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) { | |
1528 | diff = sbi->total_valid_block_count - avail_user_block_count; | |
dd11a5df | 1529 | *count -= diff; |
0abd675e | 1530 | release = diff; |
daeb433e | 1531 | sbi->total_valid_block_count = avail_user_block_count; |
46008c6d CY |
1532 | if (!*count) { |
1533 | spin_unlock(&sbi->stat_lock); | |
dd11a5df | 1534 | percpu_counter_sub(&sbi->alloc_valid_block_count, diff); |
0abd675e | 1535 | goto enospc; |
46008c6d | 1536 | } |
39a53e0c | 1537 | } |
39a53e0c | 1538 | spin_unlock(&sbi->stat_lock); |
41382ec4 | 1539 | |
0abd675e CY |
1540 | if (release) |
1541 | dquot_release_reservation_block(inode, release); | |
1542 | f2fs_i_blocks_write(inode, *count, true, true); | |
1543 | return 0; | |
1544 | ||
1545 | enospc: | |
1546 | dquot_release_reservation_block(inode, release); | |
1547 | return -ENOSPC; | |
39a53e0c JK |
1548 | } |
1549 | ||
da19b0dc | 1550 | static inline void dec_valid_block_count(struct f2fs_sb_info *sbi, |
39a53e0c | 1551 | struct inode *inode, |
0eb0adad | 1552 | block_t count) |
39a53e0c | 1553 | { |
0eb0adad CY |
1554 | blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK; |
1555 | ||
39a53e0c | 1556 | spin_lock(&sbi->stat_lock); |
9850cf4a | 1557 | f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count); |
0eb0adad | 1558 | f2fs_bug_on(sbi, inode->i_blocks < sectors); |
39a53e0c JK |
1559 | sbi->total_valid_block_count -= (block_t)count; |
1560 | spin_unlock(&sbi->stat_lock); | |
0abd675e | 1561 | f2fs_i_blocks_write(inode, count, false, true); |
39a53e0c JK |
1562 | } |
1563 | ||
1564 | static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type) | |
1565 | { | |
35782b23 | 1566 | atomic_inc(&sbi->nr_pages[count_type]); |
7c4abcbe | 1567 | |
36951b38 CY |
1568 | if (count_type == F2FS_DIRTY_DATA || count_type == F2FS_INMEM_PAGES || |
1569 | count_type == F2FS_WB_CP_DATA || count_type == F2FS_WB_DATA) | |
7c4abcbe CY |
1570 | return; |
1571 | ||
caf0047e | 1572 | set_sbi_flag(sbi, SBI_IS_DIRTY); |
39a53e0c JK |
1573 | } |
1574 | ||
a7ffdbe2 | 1575 | static inline void inode_inc_dirty_pages(struct inode *inode) |
39a53e0c | 1576 | { |
204706c7 | 1577 | atomic_inc(&F2FS_I(inode)->dirty_pages); |
c227f912 CY |
1578 | inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
1579 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
39a53e0c JK |
1580 | } |
1581 | ||
1582 | static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type) | |
1583 | { | |
35782b23 | 1584 | atomic_dec(&sbi->nr_pages[count_type]); |
39a53e0c JK |
1585 | } |
1586 | ||
a7ffdbe2 | 1587 | static inline void inode_dec_dirty_pages(struct inode *inode) |
39a53e0c | 1588 | { |
5ac9f36f CY |
1589 | if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) && |
1590 | !S_ISLNK(inode->i_mode)) | |
1fe54f9d JK |
1591 | return; |
1592 | ||
204706c7 | 1593 | atomic_dec(&F2FS_I(inode)->dirty_pages); |
c227f912 CY |
1594 | dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
1595 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
39a53e0c JK |
1596 | } |
1597 | ||
523be8a6 | 1598 | static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type) |
39a53e0c | 1599 | { |
35782b23 | 1600 | return atomic_read(&sbi->nr_pages[count_type]); |
39a53e0c JK |
1601 | } |
1602 | ||
204706c7 | 1603 | static inline int get_dirty_pages(struct inode *inode) |
f8b2c1f9 | 1604 | { |
204706c7 | 1605 | return atomic_read(&F2FS_I(inode)->dirty_pages); |
f8b2c1f9 JK |
1606 | } |
1607 | ||
5ac206cf NJ |
1608 | static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type) |
1609 | { | |
3519e3f9 | 1610 | unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg; |
523be8a6 JK |
1611 | unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >> |
1612 | sbi->log_blocks_per_seg; | |
1613 | ||
1614 | return segs / sbi->segs_per_sec; | |
5ac206cf NJ |
1615 | } |
1616 | ||
39a53e0c JK |
1617 | static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi) |
1618 | { | |
8b8343fa | 1619 | return sbi->total_valid_block_count; |
39a53e0c JK |
1620 | } |
1621 | ||
f83a2584 YH |
1622 | static inline block_t discard_blocks(struct f2fs_sb_info *sbi) |
1623 | { | |
1624 | return sbi->discard_blks; | |
1625 | } | |
1626 | ||
39a53e0c JK |
1627 | static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag) |
1628 | { | |
1629 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
1630 | ||
1631 | /* return NAT or SIT bitmap */ | |
1632 | if (flag == NAT_BITMAP) | |
1633 | return le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); | |
1634 | else if (flag == SIT_BITMAP) | |
1635 | return le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); | |
1636 | ||
1637 | return 0; | |
1638 | } | |
1639 | ||
55141486 WL |
1640 | static inline block_t __cp_payload(struct f2fs_sb_info *sbi) |
1641 | { | |
1642 | return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload); | |
1643 | } | |
1644 | ||
39a53e0c JK |
1645 | static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag) |
1646 | { | |
1647 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
1dbe4152 CL |
1648 | int offset; |
1649 | ||
55141486 | 1650 | if (__cp_payload(sbi) > 0) { |
1dbe4152 CL |
1651 | if (flag == NAT_BITMAP) |
1652 | return &ckpt->sit_nat_version_bitmap; | |
1653 | else | |
65b85ccc | 1654 | return (unsigned char *)ckpt + F2FS_BLKSIZE; |
1dbe4152 CL |
1655 | } else { |
1656 | offset = (flag == NAT_BITMAP) ? | |
25ca923b | 1657 | le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0; |
1dbe4152 CL |
1658 | return &ckpt->sit_nat_version_bitmap + offset; |
1659 | } | |
39a53e0c JK |
1660 | } |
1661 | ||
1662 | static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi) | |
1663 | { | |
8508e44a | 1664 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); |
39a53e0c | 1665 | |
8508e44a | 1666 | if (sbi->cur_cp_pack == 2) |
39a53e0c | 1667 | start_addr += sbi->blocks_per_seg; |
8508e44a JK |
1668 | return start_addr; |
1669 | } | |
39a53e0c | 1670 | |
8508e44a JK |
1671 | static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi) |
1672 | { | |
1673 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); | |
39a53e0c | 1674 | |
8508e44a JK |
1675 | if (sbi->cur_cp_pack == 1) |
1676 | start_addr += sbi->blocks_per_seg; | |
39a53e0c JK |
1677 | return start_addr; |
1678 | } | |
1679 | ||
8508e44a JK |
1680 | static inline void __set_cp_next_pack(struct f2fs_sb_info *sbi) |
1681 | { | |
1682 | sbi->cur_cp_pack = (sbi->cur_cp_pack == 1) ? 2 : 1; | |
1683 | } | |
1684 | ||
39a53e0c JK |
1685 | static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi) |
1686 | { | |
1687 | return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum); | |
1688 | } | |
1689 | ||
0abd675e | 1690 | static inline int inc_valid_node_count(struct f2fs_sb_info *sbi, |
000519f2 | 1691 | struct inode *inode, bool is_inode) |
39a53e0c JK |
1692 | { |
1693 | block_t valid_block_count; | |
1694 | unsigned int valid_node_count; | |
0abd675e CY |
1695 | bool quota = inode && !is_inode; |
1696 | ||
1697 | if (quota) { | |
1698 | int ret = dquot_reserve_block(inode, 1); | |
1699 | if (ret) | |
1700 | return ret; | |
1701 | } | |
39a53e0c JK |
1702 | |
1703 | spin_lock(&sbi->stat_lock); | |
1704 | ||
ef86d709 | 1705 | valid_block_count = sbi->total_valid_block_count + 1; |
daeb433e CY |
1706 | if (unlikely(valid_block_count + sbi->reserved_blocks > |
1707 | sbi->user_block_count)) { | |
39a53e0c | 1708 | spin_unlock(&sbi->stat_lock); |
0abd675e | 1709 | goto enospc; |
39a53e0c JK |
1710 | } |
1711 | ||
ef86d709 | 1712 | valid_node_count = sbi->total_valid_node_count + 1; |
cfb271d4 | 1713 | if (unlikely(valid_node_count > sbi->total_node_count)) { |
39a53e0c | 1714 | spin_unlock(&sbi->stat_lock); |
0abd675e | 1715 | goto enospc; |
39a53e0c JK |
1716 | } |
1717 | ||
ef86d709 GZ |
1718 | sbi->total_valid_node_count++; |
1719 | sbi->total_valid_block_count++; | |
39a53e0c JK |
1720 | spin_unlock(&sbi->stat_lock); |
1721 | ||
000519f2 CY |
1722 | if (inode) { |
1723 | if (is_inode) | |
1724 | f2fs_mark_inode_dirty_sync(inode, true); | |
1725 | else | |
0abd675e | 1726 | f2fs_i_blocks_write(inode, 1, true, true); |
000519f2 | 1727 | } |
ef86d709 | 1728 | |
41382ec4 | 1729 | percpu_counter_inc(&sbi->alloc_valid_block_count); |
0abd675e CY |
1730 | return 0; |
1731 | ||
1732 | enospc: | |
1733 | if (quota) | |
1734 | dquot_release_reservation_block(inode, 1); | |
1735 | return -ENOSPC; | |
39a53e0c JK |
1736 | } |
1737 | ||
1738 | static inline void dec_valid_node_count(struct f2fs_sb_info *sbi, | |
000519f2 | 1739 | struct inode *inode, bool is_inode) |
39a53e0c JK |
1740 | { |
1741 | spin_lock(&sbi->stat_lock); | |
1742 | ||
9850cf4a JK |
1743 | f2fs_bug_on(sbi, !sbi->total_valid_block_count); |
1744 | f2fs_bug_on(sbi, !sbi->total_valid_node_count); | |
000519f2 | 1745 | f2fs_bug_on(sbi, !is_inode && !inode->i_blocks); |
39a53e0c | 1746 | |
ef86d709 GZ |
1747 | sbi->total_valid_node_count--; |
1748 | sbi->total_valid_block_count--; | |
39a53e0c JK |
1749 | |
1750 | spin_unlock(&sbi->stat_lock); | |
0abd675e CY |
1751 | |
1752 | if (!is_inode) | |
1753 | f2fs_i_blocks_write(inode, 1, false, true); | |
39a53e0c JK |
1754 | } |
1755 | ||
1756 | static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi) | |
1757 | { | |
8b8343fa | 1758 | return sbi->total_valid_node_count; |
39a53e0c JK |
1759 | } |
1760 | ||
1761 | static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi) | |
1762 | { | |
513c5f37 | 1763 | percpu_counter_inc(&sbi->total_valid_inode_count); |
39a53e0c JK |
1764 | } |
1765 | ||
0e80220a | 1766 | static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 1767 | { |
513c5f37 | 1768 | percpu_counter_dec(&sbi->total_valid_inode_count); |
39a53e0c JK |
1769 | } |
1770 | ||
513c5f37 | 1771 | static inline s64 valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 1772 | { |
513c5f37 | 1773 | return percpu_counter_sum_positive(&sbi->total_valid_inode_count); |
39a53e0c JK |
1774 | } |
1775 | ||
a56c7c6f JK |
1776 | static inline struct page *f2fs_grab_cache_page(struct address_space *mapping, |
1777 | pgoff_t index, bool for_write) | |
1778 | { | |
c41f3cc3 JK |
1779 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
1780 | struct page *page = find_lock_page(mapping, index); | |
cac5a3d8 | 1781 | |
c41f3cc3 JK |
1782 | if (page) |
1783 | return page; | |
1784 | ||
55523519 CY |
1785 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) { |
1786 | f2fs_show_injection_info(FAULT_PAGE_ALLOC); | |
c41f3cc3 | 1787 | return NULL; |
55523519 | 1788 | } |
c41f3cc3 | 1789 | #endif |
a56c7c6f JK |
1790 | if (!for_write) |
1791 | return grab_cache_page(mapping, index); | |
1792 | return grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS); | |
1793 | } | |
1794 | ||
6e2c64ad JK |
1795 | static inline void f2fs_copy_page(struct page *src, struct page *dst) |
1796 | { | |
1797 | char *src_kaddr = kmap(src); | |
1798 | char *dst_kaddr = kmap(dst); | |
1799 | ||
1800 | memcpy(dst_kaddr, src_kaddr, PAGE_SIZE); | |
1801 | kunmap(dst); | |
1802 | kunmap(src); | |
1803 | } | |
1804 | ||
39a53e0c JK |
1805 | static inline void f2fs_put_page(struct page *page, int unlock) |
1806 | { | |
031fa8cc | 1807 | if (!page) |
39a53e0c JK |
1808 | return; |
1809 | ||
1810 | if (unlock) { | |
9850cf4a | 1811 | f2fs_bug_on(F2FS_P_SB(page), !PageLocked(page)); |
39a53e0c JK |
1812 | unlock_page(page); |
1813 | } | |
09cbfeaf | 1814 | put_page(page); |
39a53e0c JK |
1815 | } |
1816 | ||
1817 | static inline void f2fs_put_dnode(struct dnode_of_data *dn) | |
1818 | { | |
1819 | if (dn->node_page) | |
1820 | f2fs_put_page(dn->node_page, 1); | |
1821 | if (dn->inode_page && dn->node_page != dn->inode_page) | |
1822 | f2fs_put_page(dn->inode_page, 0); | |
1823 | dn->node_page = NULL; | |
1824 | dn->inode_page = NULL; | |
1825 | } | |
1826 | ||
1827 | static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name, | |
e8512d2e | 1828 | size_t size) |
39a53e0c | 1829 | { |
e8512d2e | 1830 | return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL); |
39a53e0c JK |
1831 | } |
1832 | ||
7bd59381 GZ |
1833 | static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep, |
1834 | gfp_t flags) | |
1835 | { | |
1836 | void *entry; | |
7bd59381 | 1837 | |
80c54505 JK |
1838 | entry = kmem_cache_alloc(cachep, flags); |
1839 | if (!entry) | |
1840 | entry = kmem_cache_alloc(cachep, flags | __GFP_NOFAIL); | |
7bd59381 GZ |
1841 | return entry; |
1842 | } | |
1843 | ||
740432f8 JK |
1844 | static inline struct bio *f2fs_bio_alloc(int npages) |
1845 | { | |
1846 | struct bio *bio; | |
1847 | ||
1848 | /* No failure on bio allocation */ | |
740432f8 | 1849 | bio = bio_alloc(GFP_NOIO, npages); |
80c54505 JK |
1850 | if (!bio) |
1851 | bio = bio_alloc(GFP_NOIO | __GFP_NOFAIL, npages); | |
740432f8 JK |
1852 | return bio; |
1853 | } | |
1854 | ||
9be32d72 JK |
1855 | static inline void f2fs_radix_tree_insert(struct radix_tree_root *root, |
1856 | unsigned long index, void *item) | |
1857 | { | |
1858 | while (radix_tree_insert(root, index, item)) | |
1859 | cond_resched(); | |
1860 | } | |
1861 | ||
39a53e0c JK |
1862 | #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino) |
1863 | ||
1864 | static inline bool IS_INODE(struct page *page) | |
1865 | { | |
45590710 | 1866 | struct f2fs_node *p = F2FS_NODE(page); |
cac5a3d8 | 1867 | |
39a53e0c JK |
1868 | return RAW_IS_INODE(p); |
1869 | } | |
1870 | ||
7a2af766 CY |
1871 | static inline int offset_in_addr(struct f2fs_inode *i) |
1872 | { | |
1873 | return (i->i_inline & F2FS_EXTRA_ATTR) ? | |
1874 | (le16_to_cpu(i->i_extra_isize) / sizeof(__le32)) : 0; | |
1875 | } | |
1876 | ||
39a53e0c JK |
1877 | static inline __le32 *blkaddr_in_node(struct f2fs_node *node) |
1878 | { | |
1879 | return RAW_IS_INODE(node) ? node->i.i_addr : node->dn.addr; | |
1880 | } | |
1881 | ||
7a2af766 CY |
1882 | static inline int f2fs_has_extra_attr(struct inode *inode); |
1883 | static inline block_t datablock_addr(struct inode *inode, | |
1884 | struct page *node_page, unsigned int offset) | |
39a53e0c JK |
1885 | { |
1886 | struct f2fs_node *raw_node; | |
1887 | __le32 *addr_array; | |
7a2af766 CY |
1888 | int base = 0; |
1889 | bool is_inode = IS_INODE(node_page); | |
cac5a3d8 | 1890 | |
45590710 | 1891 | raw_node = F2FS_NODE(node_page); |
7a2af766 CY |
1892 | |
1893 | /* from GC path only */ | |
1894 | if (!inode) { | |
1895 | if (is_inode) | |
1896 | base = offset_in_addr(&raw_node->i); | |
1897 | } else if (f2fs_has_extra_attr(inode) && is_inode) { | |
1898 | base = get_extra_isize(inode); | |
1899 | } | |
1900 | ||
39a53e0c | 1901 | addr_array = blkaddr_in_node(raw_node); |
7a2af766 | 1902 | return le32_to_cpu(addr_array[base + offset]); |
39a53e0c JK |
1903 | } |
1904 | ||
1905 | static inline int f2fs_test_bit(unsigned int nr, char *addr) | |
1906 | { | |
1907 | int mask; | |
1908 | ||
1909 | addr += (nr >> 3); | |
1910 | mask = 1 << (7 - (nr & 0x07)); | |
1911 | return mask & *addr; | |
1912 | } | |
1913 | ||
a66cdd98 JK |
1914 | static inline void f2fs_set_bit(unsigned int nr, char *addr) |
1915 | { | |
1916 | int mask; | |
1917 | ||
1918 | addr += (nr >> 3); | |
1919 | mask = 1 << (7 - (nr & 0x07)); | |
1920 | *addr |= mask; | |
1921 | } | |
1922 | ||
1923 | static inline void f2fs_clear_bit(unsigned int nr, char *addr) | |
1924 | { | |
1925 | int mask; | |
1926 | ||
1927 | addr += (nr >> 3); | |
1928 | mask = 1 << (7 - (nr & 0x07)); | |
1929 | *addr &= ~mask; | |
1930 | } | |
1931 | ||
52aca074 | 1932 | static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr) |
39a53e0c JK |
1933 | { |
1934 | int mask; | |
1935 | int ret; | |
1936 | ||
1937 | addr += (nr >> 3); | |
1938 | mask = 1 << (7 - (nr & 0x07)); | |
1939 | ret = mask & *addr; | |
1940 | *addr |= mask; | |
1941 | return ret; | |
1942 | } | |
1943 | ||
52aca074 | 1944 | static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr) |
39a53e0c JK |
1945 | { |
1946 | int mask; | |
1947 | int ret; | |
1948 | ||
1949 | addr += (nr >> 3); | |
1950 | mask = 1 << (7 - (nr & 0x07)); | |
1951 | ret = mask & *addr; | |
1952 | *addr &= ~mask; | |
1953 | return ret; | |
1954 | } | |
1955 | ||
c6ac4c0e GZ |
1956 | static inline void f2fs_change_bit(unsigned int nr, char *addr) |
1957 | { | |
1958 | int mask; | |
1959 | ||
1960 | addr += (nr >> 3); | |
1961 | mask = 1 << (7 - (nr & 0x07)); | |
1962 | *addr ^= mask; | |
1963 | } | |
1964 | ||
5c57132e CY |
1965 | #define F2FS_REG_FLMASK (~(FS_DIRSYNC_FL | FS_TOPDIR_FL)) |
1966 | #define F2FS_OTHER_FLMASK (FS_NODUMP_FL | FS_NOATIME_FL) | |
1967 | #define F2FS_FL_INHERITED (FS_PROJINHERIT_FL) | |
1968 | ||
1969 | static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags) | |
1970 | { | |
1971 | if (S_ISDIR(mode)) | |
1972 | return flags; | |
1973 | else if (S_ISREG(mode)) | |
1974 | return flags & F2FS_REG_FLMASK; | |
1975 | else | |
1976 | return flags & F2FS_OTHER_FLMASK; | |
1977 | } | |
1978 | ||
39a53e0c JK |
1979 | /* used for f2fs_inode_info->flags */ |
1980 | enum { | |
1981 | FI_NEW_INODE, /* indicate newly allocated inode */ | |
b3783873 | 1982 | FI_DIRTY_INODE, /* indicate inode is dirty or not */ |
26de9b11 | 1983 | FI_AUTO_RECOVER, /* indicate inode is recoverable */ |
ed57c27f | 1984 | FI_DIRTY_DIR, /* indicate directory has dirty pages */ |
39a53e0c JK |
1985 | FI_INC_LINK, /* need to increment i_nlink */ |
1986 | FI_ACL_MODE, /* indicate acl mode */ | |
1987 | FI_NO_ALLOC, /* should not allocate any blocks */ | |
c9b63bd0 | 1988 | FI_FREE_NID, /* free allocated nide */ |
c11abd1a | 1989 | FI_NO_EXTENT, /* not to use the extent cache */ |
444c580f | 1990 | FI_INLINE_XATTR, /* used for inline xattr */ |
1001b347 | 1991 | FI_INLINE_DATA, /* used for inline data*/ |
34d67deb | 1992 | FI_INLINE_DENTRY, /* used for inline dentry */ |
fff04f90 JK |
1993 | FI_APPEND_WRITE, /* inode has appended data */ |
1994 | FI_UPDATE_WRITE, /* inode has in-place-update data */ | |
88b88a66 JK |
1995 | FI_NEED_IPU, /* used for ipu per file */ |
1996 | FI_ATOMIC_FILE, /* indicate atomic file */ | |
5fe45743 | 1997 | FI_ATOMIC_COMMIT, /* indicate the state of atomical committing */ |
02a1335f | 1998 | FI_VOLATILE_FILE, /* indicate volatile file */ |
3c6c2beb | 1999 | FI_FIRST_BLOCK_WRITTEN, /* indicate #0 data block was written */ |
1e84371f | 2000 | FI_DROP_CACHE, /* drop dirty page cache */ |
b3d208f9 | 2001 | FI_DATA_EXIST, /* indicate data exists */ |
510022a8 | 2002 | FI_INLINE_DOTS, /* indicate inline dot dentries */ |
d323d005 | 2003 | FI_DO_DEFRAG, /* indicate defragment is running */ |
c227f912 | 2004 | FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */ |
dc91de78 | 2005 | FI_NO_PREALLOC, /* indicate skipped preallocated blocks */ |
ef095d19 | 2006 | FI_HOT_DATA, /* indicate file is hot */ |
7a2af766 | 2007 | FI_EXTRA_ATTR, /* indicate file has extra attribute */ |
5c57132e | 2008 | FI_PROJ_INHERIT, /* indicate file inherits projectid */ |
39a53e0c JK |
2009 | }; |
2010 | ||
205b9822 JK |
2011 | static inline void __mark_inode_dirty_flag(struct inode *inode, |
2012 | int flag, bool set) | |
2013 | { | |
2014 | switch (flag) { | |
2015 | case FI_INLINE_XATTR: | |
2016 | case FI_INLINE_DATA: | |
2017 | case FI_INLINE_DENTRY: | |
2018 | if (set) | |
2019 | return; | |
2020 | case FI_DATA_EXIST: | |
2021 | case FI_INLINE_DOTS: | |
7c45729a | 2022 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2023 | } |
2024 | } | |
2025 | ||
91942321 | 2026 | static inline void set_inode_flag(struct inode *inode, int flag) |
39a53e0c | 2027 | { |
91942321 JK |
2028 | if (!test_bit(flag, &F2FS_I(inode)->flags)) |
2029 | set_bit(flag, &F2FS_I(inode)->flags); | |
205b9822 | 2030 | __mark_inode_dirty_flag(inode, flag, true); |
39a53e0c JK |
2031 | } |
2032 | ||
91942321 | 2033 | static inline int is_inode_flag_set(struct inode *inode, int flag) |
39a53e0c | 2034 | { |
91942321 | 2035 | return test_bit(flag, &F2FS_I(inode)->flags); |
39a53e0c JK |
2036 | } |
2037 | ||
91942321 | 2038 | static inline void clear_inode_flag(struct inode *inode, int flag) |
39a53e0c | 2039 | { |
91942321 JK |
2040 | if (test_bit(flag, &F2FS_I(inode)->flags)) |
2041 | clear_bit(flag, &F2FS_I(inode)->flags); | |
205b9822 | 2042 | __mark_inode_dirty_flag(inode, flag, false); |
39a53e0c JK |
2043 | } |
2044 | ||
91942321 | 2045 | static inline void set_acl_inode(struct inode *inode, umode_t mode) |
39a53e0c | 2046 | { |
91942321 JK |
2047 | F2FS_I(inode)->i_acl_mode = mode; |
2048 | set_inode_flag(inode, FI_ACL_MODE); | |
7c45729a | 2049 | f2fs_mark_inode_dirty_sync(inode, false); |
39a53e0c JK |
2050 | } |
2051 | ||
a1961246 | 2052 | static inline void f2fs_i_links_write(struct inode *inode, bool inc) |
39a53e0c | 2053 | { |
a1961246 JK |
2054 | if (inc) |
2055 | inc_nlink(inode); | |
2056 | else | |
2057 | drop_nlink(inode); | |
7c45729a | 2058 | f2fs_mark_inode_dirty_sync(inode, true); |
a1961246 JK |
2059 | } |
2060 | ||
8edd03c8 | 2061 | static inline void f2fs_i_blocks_write(struct inode *inode, |
0abd675e | 2062 | block_t diff, bool add, bool claim) |
8edd03c8 | 2063 | { |
26de9b11 JK |
2064 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
2065 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
2066 | ||
0abd675e CY |
2067 | /* add = 1, claim = 1 should be dquot_reserve_block in pair */ |
2068 | if (add) { | |
2069 | if (claim) | |
2070 | dquot_claim_block(inode, diff); | |
2071 | else | |
2072 | dquot_alloc_block_nofail(inode, diff); | |
2073 | } else { | |
2074 | dquot_free_block(inode, diff); | |
2075 | } | |
2076 | ||
7c45729a | 2077 | f2fs_mark_inode_dirty_sync(inode, true); |
26de9b11 JK |
2078 | if (clean || recover) |
2079 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
8edd03c8 JK |
2080 | } |
2081 | ||
fc9581c8 JK |
2082 | static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size) |
2083 | { | |
26de9b11 JK |
2084 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
2085 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
2086 | ||
fc9581c8 JK |
2087 | if (i_size_read(inode) == i_size) |
2088 | return; | |
2089 | ||
2090 | i_size_write(inode, i_size); | |
7c45729a | 2091 | f2fs_mark_inode_dirty_sync(inode, true); |
26de9b11 JK |
2092 | if (clean || recover) |
2093 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
39a53e0c JK |
2094 | } |
2095 | ||
205b9822 | 2096 | static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth) |
39a53e0c | 2097 | { |
205b9822 | 2098 | F2FS_I(inode)->i_current_depth = depth; |
7c45729a | 2099 | f2fs_mark_inode_dirty_sync(inode, true); |
39a53e0c JK |
2100 | } |
2101 | ||
205b9822 | 2102 | static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid) |
444c580f | 2103 | { |
205b9822 | 2104 | F2FS_I(inode)->i_xattr_nid = xnid; |
7c45729a | 2105 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2106 | } |
2107 | ||
2108 | static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino) | |
2109 | { | |
2110 | F2FS_I(inode)->i_pino = pino; | |
7c45729a | 2111 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2112 | } |
2113 | ||
91942321 | 2114 | static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri) |
444c580f | 2115 | { |
205b9822 JK |
2116 | struct f2fs_inode_info *fi = F2FS_I(inode); |
2117 | ||
444c580f | 2118 | if (ri->i_inline & F2FS_INLINE_XATTR) |
205b9822 | 2119 | set_bit(FI_INLINE_XATTR, &fi->flags); |
1001b347 | 2120 | if (ri->i_inline & F2FS_INLINE_DATA) |
205b9822 | 2121 | set_bit(FI_INLINE_DATA, &fi->flags); |
34d67deb | 2122 | if (ri->i_inline & F2FS_INLINE_DENTRY) |
205b9822 | 2123 | set_bit(FI_INLINE_DENTRY, &fi->flags); |
b3d208f9 | 2124 | if (ri->i_inline & F2FS_DATA_EXIST) |
205b9822 | 2125 | set_bit(FI_DATA_EXIST, &fi->flags); |
510022a8 | 2126 | if (ri->i_inline & F2FS_INLINE_DOTS) |
205b9822 | 2127 | set_bit(FI_INLINE_DOTS, &fi->flags); |
7a2af766 CY |
2128 | if (ri->i_inline & F2FS_EXTRA_ATTR) |
2129 | set_bit(FI_EXTRA_ATTR, &fi->flags); | |
444c580f JK |
2130 | } |
2131 | ||
91942321 | 2132 | static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri) |
444c580f JK |
2133 | { |
2134 | ri->i_inline = 0; | |
2135 | ||
91942321 | 2136 | if (is_inode_flag_set(inode, FI_INLINE_XATTR)) |
444c580f | 2137 | ri->i_inline |= F2FS_INLINE_XATTR; |
91942321 | 2138 | if (is_inode_flag_set(inode, FI_INLINE_DATA)) |
1001b347 | 2139 | ri->i_inline |= F2FS_INLINE_DATA; |
91942321 | 2140 | if (is_inode_flag_set(inode, FI_INLINE_DENTRY)) |
34d67deb | 2141 | ri->i_inline |= F2FS_INLINE_DENTRY; |
91942321 | 2142 | if (is_inode_flag_set(inode, FI_DATA_EXIST)) |
b3d208f9 | 2143 | ri->i_inline |= F2FS_DATA_EXIST; |
91942321 | 2144 | if (is_inode_flag_set(inode, FI_INLINE_DOTS)) |
510022a8 | 2145 | ri->i_inline |= F2FS_INLINE_DOTS; |
7a2af766 CY |
2146 | if (is_inode_flag_set(inode, FI_EXTRA_ATTR)) |
2147 | ri->i_inline |= F2FS_EXTRA_ATTR; | |
2148 | } | |
2149 | ||
2150 | static inline int f2fs_has_extra_attr(struct inode *inode) | |
2151 | { | |
2152 | return is_inode_flag_set(inode, FI_EXTRA_ATTR); | |
444c580f JK |
2153 | } |
2154 | ||
987c7c31 CY |
2155 | static inline int f2fs_has_inline_xattr(struct inode *inode) |
2156 | { | |
91942321 | 2157 | return is_inode_flag_set(inode, FI_INLINE_XATTR); |
987c7c31 CY |
2158 | } |
2159 | ||
81ca7350 | 2160 | static inline unsigned int addrs_per_inode(struct inode *inode) |
de93653f | 2161 | { |
81ca7350 | 2162 | if (f2fs_has_inline_xattr(inode)) |
7a2af766 CY |
2163 | return CUR_ADDRS_PER_INODE(inode) - F2FS_INLINE_XATTR_ADDRS; |
2164 | return CUR_ADDRS_PER_INODE(inode); | |
de93653f JK |
2165 | } |
2166 | ||
65985d93 JK |
2167 | static inline void *inline_xattr_addr(struct page *page) |
2168 | { | |
695fd1ed | 2169 | struct f2fs_inode *ri = F2FS_INODE(page); |
cac5a3d8 | 2170 | |
65985d93 JK |
2171 | return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE - |
2172 | F2FS_INLINE_XATTR_ADDRS]); | |
2173 | } | |
2174 | ||
2175 | static inline int inline_xattr_size(struct inode *inode) | |
2176 | { | |
987c7c31 | 2177 | if (f2fs_has_inline_xattr(inode)) |
65985d93 JK |
2178 | return F2FS_INLINE_XATTR_ADDRS << 2; |
2179 | else | |
2180 | return 0; | |
2181 | } | |
2182 | ||
0dbdc2ae JK |
2183 | static inline int f2fs_has_inline_data(struct inode *inode) |
2184 | { | |
91942321 | 2185 | return is_inode_flag_set(inode, FI_INLINE_DATA); |
0dbdc2ae JK |
2186 | } |
2187 | ||
b3d208f9 JK |
2188 | static inline int f2fs_exist_data(struct inode *inode) |
2189 | { | |
91942321 | 2190 | return is_inode_flag_set(inode, FI_DATA_EXIST); |
b3d208f9 JK |
2191 | } |
2192 | ||
510022a8 JK |
2193 | static inline int f2fs_has_inline_dots(struct inode *inode) |
2194 | { | |
91942321 | 2195 | return is_inode_flag_set(inode, FI_INLINE_DOTS); |
510022a8 JK |
2196 | } |
2197 | ||
88b88a66 JK |
2198 | static inline bool f2fs_is_atomic_file(struct inode *inode) |
2199 | { | |
91942321 | 2200 | return is_inode_flag_set(inode, FI_ATOMIC_FILE); |
88b88a66 JK |
2201 | } |
2202 | ||
5fe45743 CY |
2203 | static inline bool f2fs_is_commit_atomic_write(struct inode *inode) |
2204 | { | |
2205 | return is_inode_flag_set(inode, FI_ATOMIC_COMMIT); | |
2206 | } | |
2207 | ||
02a1335f JK |
2208 | static inline bool f2fs_is_volatile_file(struct inode *inode) |
2209 | { | |
91942321 | 2210 | return is_inode_flag_set(inode, FI_VOLATILE_FILE); |
02a1335f JK |
2211 | } |
2212 | ||
3c6c2beb JK |
2213 | static inline bool f2fs_is_first_block_written(struct inode *inode) |
2214 | { | |
91942321 | 2215 | return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN); |
3c6c2beb JK |
2216 | } |
2217 | ||
1e84371f JK |
2218 | static inline bool f2fs_is_drop_cache(struct inode *inode) |
2219 | { | |
91942321 | 2220 | return is_inode_flag_set(inode, FI_DROP_CACHE); |
1e84371f JK |
2221 | } |
2222 | ||
f2470371 | 2223 | static inline void *inline_data_addr(struct inode *inode, struct page *page) |
1001b347 | 2224 | { |
695fd1ed | 2225 | struct f2fs_inode *ri = F2FS_INODE(page); |
7a2af766 | 2226 | int extra_size = get_extra_isize(inode); |
cac5a3d8 | 2227 | |
7a2af766 | 2228 | return (void *)&(ri->i_addr[extra_size + DEF_INLINE_RESERVED_SIZE]); |
1001b347 HL |
2229 | } |
2230 | ||
34d67deb CY |
2231 | static inline int f2fs_has_inline_dentry(struct inode *inode) |
2232 | { | |
91942321 | 2233 | return is_inode_flag_set(inode, FI_INLINE_DENTRY); |
34d67deb CY |
2234 | } |
2235 | ||
9486ba44 JK |
2236 | static inline void f2fs_dentry_kunmap(struct inode *dir, struct page *page) |
2237 | { | |
2238 | if (!f2fs_has_inline_dentry(dir)) | |
2239 | kunmap(page); | |
2240 | } | |
2241 | ||
b5492af7 JK |
2242 | static inline int is_file(struct inode *inode, int type) |
2243 | { | |
2244 | return F2FS_I(inode)->i_advise & type; | |
2245 | } | |
2246 | ||
2247 | static inline void set_file(struct inode *inode, int type) | |
2248 | { | |
2249 | F2FS_I(inode)->i_advise |= type; | |
7c45729a | 2250 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
2251 | } |
2252 | ||
2253 | static inline void clear_file(struct inode *inode, int type) | |
2254 | { | |
2255 | F2FS_I(inode)->i_advise &= ~type; | |
7c45729a | 2256 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
2257 | } |
2258 | ||
26787236 JK |
2259 | static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync) |
2260 | { | |
2261 | if (dsync) { | |
2262 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
2263 | bool ret; | |
2264 | ||
2265 | spin_lock(&sbi->inode_lock[DIRTY_META]); | |
2266 | ret = list_empty(&F2FS_I(inode)->gdirty_list); | |
2267 | spin_unlock(&sbi->inode_lock[DIRTY_META]); | |
2268 | return ret; | |
2269 | } | |
2270 | if (!is_inode_flag_set(inode, FI_AUTO_RECOVER) || | |
2271 | file_keep_isize(inode) || | |
2272 | i_size_read(inode) & PAGE_MASK) | |
2273 | return false; | |
2274 | return F2FS_I(inode)->last_disk_size == i_size_read(inode); | |
b5492af7 JK |
2275 | } |
2276 | ||
77888c1e JK |
2277 | static inline int f2fs_readonly(struct super_block *sb) |
2278 | { | |
2279 | return sb->s_flags & MS_RDONLY; | |
2280 | } | |
2281 | ||
1e968fdf JK |
2282 | static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi) |
2283 | { | |
aaec2b1d | 2284 | return is_set_ckpt_flags(sbi, CP_ERROR_FLAG); |
1e968fdf JK |
2285 | } |
2286 | ||
eaa693f4 JK |
2287 | static inline bool is_dot_dotdot(const struct qstr *str) |
2288 | { | |
2289 | if (str->len == 1 && str->name[0] == '.') | |
2290 | return true; | |
2291 | ||
2292 | if (str->len == 2 && str->name[0] == '.' && str->name[1] == '.') | |
2293 | return true; | |
2294 | ||
2295 | return false; | |
2296 | } | |
2297 | ||
3e72f721 JK |
2298 | static inline bool f2fs_may_extent_tree(struct inode *inode) |
2299 | { | |
3e72f721 | 2300 | if (!test_opt(F2FS_I_SB(inode), EXTENT_CACHE) || |
91942321 | 2301 | is_inode_flag_set(inode, FI_NO_EXTENT)) |
3e72f721 JK |
2302 | return false; |
2303 | ||
886f56f9 | 2304 | return S_ISREG(inode->i_mode); |
3e72f721 JK |
2305 | } |
2306 | ||
1ecc0c5c CY |
2307 | static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi, |
2308 | size_t size, gfp_t flags) | |
0414b004 | 2309 | { |
2c63fead | 2310 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
55523519 CY |
2311 | if (time_to_inject(sbi, FAULT_KMALLOC)) { |
2312 | f2fs_show_injection_info(FAULT_KMALLOC); | |
2c63fead | 2313 | return NULL; |
55523519 | 2314 | } |
2c63fead | 2315 | #endif |
0414b004 JK |
2316 | return kmalloc(size, flags); |
2317 | } | |
2318 | ||
7a2af766 | 2319 | static inline int get_extra_isize(struct inode *inode) |
f2470371 | 2320 | { |
7a2af766 | 2321 | return F2FS_I(inode)->i_extra_isize / sizeof(__le32); |
f2470371 CY |
2322 | } |
2323 | ||
a6dda0e6 | 2324 | #define get_inode_mode(i) \ |
91942321 | 2325 | ((is_inode_flag_set(i, FI_ACL_MODE)) ? \ |
a6dda0e6 CH |
2326 | (F2FS_I(i)->i_acl_mode) : ((i)->i_mode)) |
2327 | ||
7a2af766 CY |
2328 | #define F2FS_TOTAL_EXTRA_ATTR_SIZE \ |
2329 | (offsetof(struct f2fs_inode, i_extra_end) - \ | |
2330 | offsetof(struct f2fs_inode, i_extra_isize)) \ | |
2331 | ||
5c57132e CY |
2332 | #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr)) |
2333 | #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \ | |
2334 | ((offsetof(typeof(*f2fs_inode), field) + \ | |
2335 | sizeof((f2fs_inode)->field)) \ | |
2336 | <= (F2FS_OLD_ATTRIBUTE_SIZE + extra_isize)) \ | |
2337 | ||
b0af6d49 CY |
2338 | static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi) |
2339 | { | |
2340 | int i; | |
2341 | ||
2342 | spin_lock(&sbi->iostat_lock); | |
2343 | for (i = 0; i < NR_IO_TYPE; i++) | |
2344 | sbi->write_iostat[i] = 0; | |
2345 | spin_unlock(&sbi->iostat_lock); | |
2346 | } | |
2347 | ||
2348 | static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi, | |
2349 | enum iostat_type type, unsigned long long io_bytes) | |
2350 | { | |
2351 | if (!sbi->iostat_enable) | |
2352 | return; | |
2353 | spin_lock(&sbi->iostat_lock); | |
2354 | sbi->write_iostat[type] += io_bytes; | |
2355 | ||
2356 | if (type == APP_WRITE_IO || type == APP_DIRECT_IO) | |
2357 | sbi->write_iostat[APP_BUFFERED_IO] = | |
2358 | sbi->write_iostat[APP_WRITE_IO] - | |
2359 | sbi->write_iostat[APP_DIRECT_IO]; | |
2360 | spin_unlock(&sbi->iostat_lock); | |
2361 | } | |
2362 | ||
39a53e0c JK |
2363 | /* |
2364 | * file.c | |
2365 | */ | |
cac5a3d8 DS |
2366 | int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync); |
2367 | void truncate_data_blocks(struct dnode_of_data *dn); | |
2368 | int truncate_blocks(struct inode *inode, u64 from, bool lock); | |
2369 | int f2fs_truncate(struct inode *inode); | |
a528d35e DH |
2370 | int f2fs_getattr(const struct path *path, struct kstat *stat, |
2371 | u32 request_mask, unsigned int flags); | |
cac5a3d8 DS |
2372 | int f2fs_setattr(struct dentry *dentry, struct iattr *attr); |
2373 | int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end); | |
2374 | int truncate_data_blocks_range(struct dnode_of_data *dn, int count); | |
2375 | long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); | |
2376 | long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg); | |
39a53e0c JK |
2377 | |
2378 | /* | |
2379 | * inode.c | |
2380 | */ | |
cac5a3d8 | 2381 | void f2fs_set_inode_flags(struct inode *inode); |
704956ec CY |
2382 | bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page); |
2383 | void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page); | |
cac5a3d8 DS |
2384 | struct inode *f2fs_iget(struct super_block *sb, unsigned long ino); |
2385 | struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino); | |
2386 | int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink); | |
2387 | int update_inode(struct inode *inode, struct page *node_page); | |
2388 | int update_inode_page(struct inode *inode); | |
2389 | int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc); | |
2390 | void f2fs_evict_inode(struct inode *inode); | |
2391 | void handle_failed_inode(struct inode *inode); | |
39a53e0c JK |
2392 | |
2393 | /* | |
2394 | * namei.c | |
2395 | */ | |
2396 | struct dentry *f2fs_get_parent(struct dentry *child); | |
2397 | ||
2398 | /* | |
2399 | * dir.c | |
2400 | */ | |
cac5a3d8 DS |
2401 | void set_de_type(struct f2fs_dir_entry *de, umode_t mode); |
2402 | unsigned char get_de_type(struct f2fs_dir_entry *de); | |
2403 | struct f2fs_dir_entry *find_target_dentry(struct fscrypt_name *fname, | |
2404 | f2fs_hash_t namehash, int *max_slots, | |
2405 | struct f2fs_dentry_ptr *d); | |
2406 | int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d, | |
2407 | unsigned int start_pos, struct fscrypt_str *fstr); | |
2408 | void do_make_empty_dir(struct inode *inode, struct inode *parent, | |
2409 | struct f2fs_dentry_ptr *d); | |
2410 | struct page *init_inode_metadata(struct inode *inode, struct inode *dir, | |
2411 | const struct qstr *new_name, | |
2412 | const struct qstr *orig_name, struct page *dpage); | |
2413 | void update_parent_metadata(struct inode *dir, struct inode *inode, | |
2414 | unsigned int current_depth); | |
2415 | int room_for_filename(const void *bitmap, int slots, int max_slots); | |
2416 | void f2fs_drop_nlink(struct inode *dir, struct inode *inode); | |
2417 | struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir, | |
2418 | struct fscrypt_name *fname, struct page **res_page); | |
2419 | struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir, | |
2420 | const struct qstr *child, struct page **res_page); | |
2421 | struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p); | |
2422 | ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr, | |
2423 | struct page **page); | |
2424 | void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de, | |
2425 | struct page *page, struct inode *inode); | |
cac5a3d8 DS |
2426 | void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d, |
2427 | const struct qstr *name, f2fs_hash_t name_hash, | |
2428 | unsigned int bit_pos); | |
2429 | int f2fs_add_regular_entry(struct inode *dir, const struct qstr *new_name, | |
2430 | const struct qstr *orig_name, | |
2431 | struct inode *inode, nid_t ino, umode_t mode); | |
2432 | int __f2fs_do_add_link(struct inode *dir, struct fscrypt_name *fname, | |
2433 | struct inode *inode, nid_t ino, umode_t mode); | |
2434 | int __f2fs_add_link(struct inode *dir, const struct qstr *name, | |
2435 | struct inode *inode, nid_t ino, umode_t mode); | |
2436 | void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, | |
2437 | struct inode *dir, struct inode *inode); | |
2438 | int f2fs_do_tmpfile(struct inode *inode, struct inode *dir); | |
2439 | bool f2fs_empty_dir(struct inode *dir); | |
39a53e0c | 2440 | |
b7f7a5e0 AV |
2441 | static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode) |
2442 | { | |
2b0143b5 | 2443 | return __f2fs_add_link(d_inode(dentry->d_parent), &dentry->d_name, |
510022a8 | 2444 | inode, inode->i_ino, inode->i_mode); |
b7f7a5e0 AV |
2445 | } |
2446 | ||
39a53e0c JK |
2447 | /* |
2448 | * super.c | |
2449 | */ | |
cac5a3d8 DS |
2450 | int f2fs_inode_dirtied(struct inode *inode, bool sync); |
2451 | void f2fs_inode_synced(struct inode *inode); | |
4b2414d0 CY |
2452 | void f2fs_enable_quota_files(struct f2fs_sb_info *sbi); |
2453 | void f2fs_quota_off_umount(struct super_block *sb); | |
cac5a3d8 DS |
2454 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover); |
2455 | int f2fs_sync_fs(struct super_block *sb, int sync); | |
a07ef784 | 2456 | extern __printf(3, 4) |
cac5a3d8 | 2457 | void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...); |
984ec63c | 2458 | int sanity_check_ckpt(struct f2fs_sb_info *sbi); |
39a53e0c JK |
2459 | |
2460 | /* | |
2461 | * hash.c | |
2462 | */ | |
6332cd32 JK |
2463 | f2fs_hash_t f2fs_dentry_hash(const struct qstr *name_info, |
2464 | struct fscrypt_name *fname); | |
39a53e0c JK |
2465 | |
2466 | /* | |
2467 | * node.c | |
2468 | */ | |
2469 | struct dnode_of_data; | |
2470 | struct node_info; | |
2471 | ||
cac5a3d8 DS |
2472 | bool available_free_memory(struct f2fs_sb_info *sbi, int type); |
2473 | int need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid); | |
2474 | bool is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid); | |
2475 | bool need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino); | |
2476 | void get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni); | |
2477 | pgoff_t get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs); | |
2478 | int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode); | |
2479 | int truncate_inode_blocks(struct inode *inode, pgoff_t from); | |
2480 | int truncate_xattr_node(struct inode *inode, struct page *page); | |
2481 | int wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino); | |
2482 | int remove_inode_page(struct inode *inode); | |
2483 | struct page *new_inode_page(struct inode *inode); | |
5f4ce6ab | 2484 | struct page *new_node_page(struct dnode_of_data *dn, unsigned int ofs); |
cac5a3d8 DS |
2485 | void ra_node_page(struct f2fs_sb_info *sbi, nid_t nid); |
2486 | struct page *get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid); | |
2487 | struct page *get_node_page_ra(struct page *parent, int start); | |
2488 | void move_node_page(struct page *node_page, int gc_type); | |
2489 | int fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, | |
2490 | struct writeback_control *wbc, bool atomic); | |
401db79f | 2491 | int sync_node_pages(struct f2fs_sb_info *sbi, struct writeback_control *wbc, |
b0af6d49 | 2492 | bool do_balance, enum iostat_type io_type); |
22ad0b6a | 2493 | void build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount); |
cac5a3d8 DS |
2494 | bool alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid); |
2495 | void alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid); | |
2496 | void alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid); | |
2497 | int try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink); | |
2498 | void recover_inline_xattr(struct inode *inode, struct page *page); | |
d260081c | 2499 | int recover_xattr_data(struct inode *inode, struct page *page, |
cac5a3d8 DS |
2500 | block_t blkaddr); |
2501 | int recover_inode_page(struct f2fs_sb_info *sbi, struct page *page); | |
2502 | int restore_node_summary(struct f2fs_sb_info *sbi, | |
2503 | unsigned int segno, struct f2fs_summary_block *sum); | |
22ad0b6a | 2504 | void flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
cac5a3d8 DS |
2505 | int build_node_manager(struct f2fs_sb_info *sbi); |
2506 | void destroy_node_manager(struct f2fs_sb_info *sbi); | |
6e6093a8 | 2507 | int __init create_node_manager_caches(void); |
39a53e0c JK |
2508 | void destroy_node_manager_caches(void); |
2509 | ||
2510 | /* | |
2511 | * segment.c | |
2512 | */ | |
cac5a3d8 DS |
2513 | void register_inmem_page(struct inode *inode, struct page *page); |
2514 | void drop_inmem_pages(struct inode *inode); | |
8c242db9 | 2515 | void drop_inmem_page(struct inode *inode, struct page *page); |
cac5a3d8 DS |
2516 | int commit_inmem_pages(struct inode *inode); |
2517 | void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need); | |
2518 | void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi); | |
2519 | int f2fs_issue_flush(struct f2fs_sb_info *sbi); | |
2520 | int create_flush_cmd_control(struct f2fs_sb_info *sbi); | |
2521 | void destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free); | |
2522 | void invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr); | |
2523 | bool is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr); | |
2524 | void refresh_sit_entry(struct f2fs_sb_info *sbi, block_t old, block_t new); | |
cce13252 | 2525 | void stop_discard_thread(struct f2fs_sb_info *sbi); |
d431413f | 2526 | void f2fs_wait_discard_bios(struct f2fs_sb_info *sbi); |
cac5a3d8 DS |
2527 | void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
2528 | void release_discard_addrs(struct f2fs_sb_info *sbi); | |
2529 | int npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra); | |
2530 | void allocate_new_segments(struct f2fs_sb_info *sbi); | |
2531 | int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range); | |
2532 | bool exist_trim_candidates(struct f2fs_sb_info *sbi, struct cp_control *cpc); | |
2533 | struct page *get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno); | |
2534 | void update_meta_page(struct f2fs_sb_info *sbi, void *src, block_t blk_addr); | |
b0af6d49 CY |
2535 | void write_meta_page(struct f2fs_sb_info *sbi, struct page *page, |
2536 | enum iostat_type io_type); | |
cac5a3d8 DS |
2537 | void write_node_page(unsigned int nid, struct f2fs_io_info *fio); |
2538 | void write_data_page(struct dnode_of_data *dn, struct f2fs_io_info *fio); | |
d1b3e72d | 2539 | int rewrite_data_page(struct f2fs_io_info *fio); |
cac5a3d8 DS |
2540 | void __f2fs_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, |
2541 | block_t old_blkaddr, block_t new_blkaddr, | |
2542 | bool recover_curseg, bool recover_newaddr); | |
2543 | void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn, | |
2544 | block_t old_addr, block_t new_addr, | |
2545 | unsigned char version, bool recover_curseg, | |
2546 | bool recover_newaddr); | |
2547 | void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, | |
2548 | block_t old_blkaddr, block_t *new_blkaddr, | |
fb830fc5 CY |
2549 | struct f2fs_summary *sum, int type, |
2550 | struct f2fs_io_info *fio, bool add_list); | |
cac5a3d8 DS |
2551 | void f2fs_wait_on_page_writeback(struct page *page, |
2552 | enum page_type type, bool ordered); | |
2553 | void f2fs_wait_on_encrypted_page_writeback(struct f2fs_sb_info *sbi, | |
2554 | block_t blkaddr); | |
2555 | void write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk); | |
2556 | void write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk); | |
2557 | int lookup_journal_in_cursum(struct f2fs_journal *journal, int type, | |
2558 | unsigned int val, int alloc); | |
2559 | void flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); | |
2560 | int build_segment_manager(struct f2fs_sb_info *sbi); | |
2561 | void destroy_segment_manager(struct f2fs_sb_info *sbi); | |
7fd9e544 JK |
2562 | int __init create_segment_manager_caches(void); |
2563 | void destroy_segment_manager_caches(void); | |
39a53e0c JK |
2564 | |
2565 | /* | |
2566 | * checkpoint.c | |
2567 | */ | |
cac5a3d8 DS |
2568 | void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io); |
2569 | struct page *grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); | |
2570 | struct page *get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); | |
2571 | struct page *get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index); | |
2572 | bool is_valid_blkaddr(struct f2fs_sb_info *sbi, block_t blkaddr, int type); | |
2573 | int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, | |
2574 | int type, bool sync); | |
2575 | void ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index); | |
2576 | long sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type, | |
b0af6d49 | 2577 | long nr_to_write, enum iostat_type io_type); |
cac5a3d8 DS |
2578 | void add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); |
2579 | void remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); | |
2580 | void release_ino_entry(struct f2fs_sb_info *sbi, bool all); | |
2581 | bool exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode); | |
2582 | int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi); | |
2583 | int acquire_orphan_inode(struct f2fs_sb_info *sbi); | |
2584 | void release_orphan_inode(struct f2fs_sb_info *sbi); | |
2585 | void add_orphan_inode(struct inode *inode); | |
2586 | void remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino); | |
2587 | int recover_orphan_inodes(struct f2fs_sb_info *sbi); | |
2588 | int get_valid_checkpoint(struct f2fs_sb_info *sbi); | |
2589 | void update_dirty_page(struct inode *inode, struct page *page); | |
2590 | void remove_dirty_inode(struct inode *inode); | |
2591 | int sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type); | |
2592 | int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc); | |
2593 | void init_ino_entry_info(struct f2fs_sb_info *sbi); | |
6e6093a8 | 2594 | int __init create_checkpoint_caches(void); |
39a53e0c JK |
2595 | void destroy_checkpoint_caches(void); |
2596 | ||
2597 | /* | |
2598 | * data.c | |
2599 | */ | |
b9109b0e JK |
2600 | void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type); |
2601 | void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi, | |
942fd319 | 2602 | struct inode *inode, nid_t ino, pgoff_t idx, |
b9109b0e JK |
2603 | enum page_type type); |
2604 | void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi); | |
cac5a3d8 | 2605 | int f2fs_submit_page_bio(struct f2fs_io_info *fio); |
b9109b0e | 2606 | int f2fs_submit_page_write(struct f2fs_io_info *fio); |
cac5a3d8 DS |
2607 | struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi, |
2608 | block_t blk_addr, struct bio *bio); | |
2609 | int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr); | |
2610 | void set_data_blkaddr(struct dnode_of_data *dn); | |
2611 | void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr); | |
2612 | int reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count); | |
2613 | int reserve_new_block(struct dnode_of_data *dn); | |
2614 | int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index); | |
2615 | int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from); | |
2616 | int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index); | |
2617 | struct page *get_read_data_page(struct inode *inode, pgoff_t index, | |
2618 | int op_flags, bool for_write); | |
2619 | struct page *find_data_page(struct inode *inode, pgoff_t index); | |
2620 | struct page *get_lock_data_page(struct inode *inode, pgoff_t index, | |
2621 | bool for_write); | |
2622 | struct page *get_new_data_page(struct inode *inode, | |
2623 | struct page *ipage, pgoff_t index, bool new_i_size); | |
2624 | int do_write_data_page(struct f2fs_io_info *fio); | |
2625 | int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, | |
2626 | int create, int flag); | |
2627 | int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, | |
2628 | u64 start, u64 len); | |
2629 | void f2fs_set_page_dirty_nobuffers(struct page *page); | |
b0af6d49 CY |
2630 | int __f2fs_write_data_pages(struct address_space *mapping, |
2631 | struct writeback_control *wbc, | |
2632 | enum iostat_type io_type); | |
cac5a3d8 DS |
2633 | void f2fs_invalidate_page(struct page *page, unsigned int offset, |
2634 | unsigned int length); | |
2635 | int f2fs_release_page(struct page *page, gfp_t wait); | |
5b7a487c | 2636 | #ifdef CONFIG_MIGRATION |
cac5a3d8 DS |
2637 | int f2fs_migrate_page(struct address_space *mapping, struct page *newpage, |
2638 | struct page *page, enum migrate_mode mode); | |
5b7a487c | 2639 | #endif |
39a53e0c JK |
2640 | |
2641 | /* | |
2642 | * gc.c | |
2643 | */ | |
cac5a3d8 DS |
2644 | int start_gc_thread(struct f2fs_sb_info *sbi); |
2645 | void stop_gc_thread(struct f2fs_sb_info *sbi); | |
2646 | block_t start_bidx_of_node(unsigned int node_ofs, struct inode *inode); | |
e066b83c JK |
2647 | int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background, |
2648 | unsigned int segno); | |
cac5a3d8 | 2649 | void build_gc_manager(struct f2fs_sb_info *sbi); |
39a53e0c JK |
2650 | |
2651 | /* | |
2652 | * recovery.c | |
2653 | */ | |
cac5a3d8 DS |
2654 | int recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only); |
2655 | bool space_for_roll_forward(struct f2fs_sb_info *sbi); | |
39a53e0c JK |
2656 | |
2657 | /* | |
2658 | * debug.c | |
2659 | */ | |
2660 | #ifdef CONFIG_F2FS_STAT_FS | |
2661 | struct f2fs_stat_info { | |
2662 | struct list_head stat_list; | |
2663 | struct f2fs_sb_info *sbi; | |
39a53e0c JK |
2664 | int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs; |
2665 | int main_area_segs, main_area_sections, main_area_zones; | |
5b7ee374 CY |
2666 | unsigned long long hit_largest, hit_cached, hit_rbtree; |
2667 | unsigned long long hit_total, total_ext; | |
c00ba554 | 2668 | int ext_tree, zombie_tree, ext_node; |
35782b23 JK |
2669 | int ndirty_node, ndirty_dent, ndirty_meta, ndirty_data, ndirty_imeta; |
2670 | int inmem_pages; | |
0f18b462 | 2671 | unsigned int ndirty_dirs, ndirty_files, ndirty_all; |
5b0ef73c JK |
2672 | int nats, dirty_nats, sits, dirty_sits; |
2673 | int free_nids, avail_nids, alloc_nids; | |
39a53e0c | 2674 | int total_count, utilization; |
8b8dd65f CY |
2675 | int bg_gc, nr_wb_cp_data, nr_wb_data; |
2676 | int nr_flushing, nr_flushed, nr_discarding, nr_discarded; | |
5f32366a | 2677 | int nr_discard_cmd; |
d84d1cbd | 2678 | unsigned int undiscard_blks; |
a00861db | 2679 | int inline_xattr, inline_inode, inline_dir, append, update, orphans; |
648d50ba | 2680 | int aw_cnt, max_aw_cnt, vw_cnt, max_vw_cnt; |
f83a2584 | 2681 | unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks; |
39a53e0c JK |
2682 | unsigned int bimodal, avg_vblocks; |
2683 | int util_free, util_valid, util_invalid; | |
2684 | int rsvd_segs, overp_segs; | |
2685 | int dirty_count, node_pages, meta_pages; | |
42190d2a | 2686 | int prefree_count, call_count, cp_count, bg_cp_count; |
39a53e0c | 2687 | int tot_segs, node_segs, data_segs, free_segs, free_secs; |
e1235983 | 2688 | int bg_node_segs, bg_data_segs; |
39a53e0c | 2689 | int tot_blks, data_blks, node_blks; |
e1235983 | 2690 | int bg_data_blks, bg_node_blks; |
39a53e0c JK |
2691 | int curseg[NR_CURSEG_TYPE]; |
2692 | int cursec[NR_CURSEG_TYPE]; | |
2693 | int curzone[NR_CURSEG_TYPE]; | |
2694 | ||
2695 | unsigned int segment_count[2]; | |
2696 | unsigned int block_count[2]; | |
b9a2c252 | 2697 | unsigned int inplace_count; |
9edcdabf | 2698 | unsigned long long base_mem, cache_mem, page_mem; |
39a53e0c JK |
2699 | }; |
2700 | ||
963d4f7d GZ |
2701 | static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) |
2702 | { | |
6c311ec6 | 2703 | return (struct f2fs_stat_info *)sbi->stat_info; |
963d4f7d GZ |
2704 | } |
2705 | ||
942e0be6 | 2706 | #define stat_inc_cp_count(si) ((si)->cp_count++) |
42190d2a | 2707 | #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++) |
dcdfff65 JK |
2708 | #define stat_inc_call_count(si) ((si)->call_count++) |
2709 | #define stat_inc_bggc_count(sbi) ((sbi)->bg_gc++) | |
33fbd510 CY |
2710 | #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++) |
2711 | #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--) | |
5b7ee374 CY |
2712 | #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext)) |
2713 | #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree)) | |
2714 | #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest)) | |
2715 | #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached)) | |
d5e8f6c9 CY |
2716 | #define stat_inc_inline_xattr(inode) \ |
2717 | do { \ | |
2718 | if (f2fs_has_inline_xattr(inode)) \ | |
2719 | (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \ | |
2720 | } while (0) | |
2721 | #define stat_dec_inline_xattr(inode) \ | |
2722 | do { \ | |
2723 | if (f2fs_has_inline_xattr(inode)) \ | |
2724 | (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \ | |
2725 | } while (0) | |
0dbdc2ae JK |
2726 | #define stat_inc_inline_inode(inode) \ |
2727 | do { \ | |
2728 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 2729 | (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae JK |
2730 | } while (0) |
2731 | #define stat_dec_inline_inode(inode) \ | |
2732 | do { \ | |
2733 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 2734 | (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae | 2735 | } while (0) |
3289c061 JK |
2736 | #define stat_inc_inline_dir(inode) \ |
2737 | do { \ | |
2738 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 2739 | (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 JK |
2740 | } while (0) |
2741 | #define stat_dec_inline_dir(inode) \ | |
2742 | do { \ | |
2743 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 2744 | (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 | 2745 | } while (0) |
dcdfff65 JK |
2746 | #define stat_inc_seg_type(sbi, curseg) \ |
2747 | ((sbi)->segment_count[(curseg)->alloc_type]++) | |
2748 | #define stat_inc_block_count(sbi, curseg) \ | |
2749 | ((sbi)->block_count[(curseg)->alloc_type]++) | |
b9a2c252 CL |
2750 | #define stat_inc_inplace_blocks(sbi) \ |
2751 | (atomic_inc(&(sbi)->inplace_count)) | |
26a28a0c | 2752 | #define stat_inc_atomic_write(inode) \ |
cac5a3d8 | 2753 | (atomic_inc(&F2FS_I_SB(inode)->aw_cnt)) |
26a28a0c | 2754 | #define stat_dec_atomic_write(inode) \ |
cac5a3d8 | 2755 | (atomic_dec(&F2FS_I_SB(inode)->aw_cnt)) |
26a28a0c JK |
2756 | #define stat_update_max_atomic_write(inode) \ |
2757 | do { \ | |
2758 | int cur = atomic_read(&F2FS_I_SB(inode)->aw_cnt); \ | |
2759 | int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \ | |
2760 | if (cur > max) \ | |
2761 | atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \ | |
2762 | } while (0) | |
648d50ba CY |
2763 | #define stat_inc_volatile_write(inode) \ |
2764 | (atomic_inc(&F2FS_I_SB(inode)->vw_cnt)) | |
2765 | #define stat_dec_volatile_write(inode) \ | |
2766 | (atomic_dec(&F2FS_I_SB(inode)->vw_cnt)) | |
2767 | #define stat_update_max_volatile_write(inode) \ | |
2768 | do { \ | |
2769 | int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \ | |
2770 | int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \ | |
2771 | if (cur > max) \ | |
2772 | atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \ | |
2773 | } while (0) | |
e1235983 | 2774 | #define stat_inc_seg_count(sbi, type, gc_type) \ |
39a53e0c | 2775 | do { \ |
963d4f7d | 2776 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
68afcf2d TK |
2777 | si->tot_segs++; \ |
2778 | if ((type) == SUM_TYPE_DATA) { \ | |
39a53e0c | 2779 | si->data_segs++; \ |
e1235983 CL |
2780 | si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \ |
2781 | } else { \ | |
39a53e0c | 2782 | si->node_segs++; \ |
e1235983 CL |
2783 | si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \ |
2784 | } \ | |
39a53e0c JK |
2785 | } while (0) |
2786 | ||
2787 | #define stat_inc_tot_blk_count(si, blks) \ | |
68afcf2d | 2788 | ((si)->tot_blks += (blks)) |
39a53e0c | 2789 | |
e1235983 | 2790 | #define stat_inc_data_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 2791 | do { \ |
963d4f7d | 2792 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
2793 | stat_inc_tot_blk_count(si, blks); \ |
2794 | si->data_blks += (blks); \ | |
68afcf2d | 2795 | si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
2796 | } while (0) |
2797 | ||
e1235983 | 2798 | #define stat_inc_node_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 2799 | do { \ |
963d4f7d | 2800 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
2801 | stat_inc_tot_blk_count(si, blks); \ |
2802 | si->node_blks += (blks); \ | |
68afcf2d | 2803 | si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
2804 | } while (0) |
2805 | ||
cac5a3d8 DS |
2806 | int f2fs_build_stats(struct f2fs_sb_info *sbi); |
2807 | void f2fs_destroy_stats(struct f2fs_sb_info *sbi); | |
787c7b8c | 2808 | int __init f2fs_create_root_stats(void); |
4589d25d | 2809 | void f2fs_destroy_root_stats(void); |
39a53e0c | 2810 | #else |
d66450e7 AB |
2811 | #define stat_inc_cp_count(si) do { } while (0) |
2812 | #define stat_inc_bg_cp_count(si) do { } while (0) | |
2813 | #define stat_inc_call_count(si) do { } while (0) | |
2814 | #define stat_inc_bggc_count(si) do { } while (0) | |
2815 | #define stat_inc_dirty_inode(sbi, type) do { } while (0) | |
2816 | #define stat_dec_dirty_inode(sbi, type) do { } while (0) | |
2817 | #define stat_inc_total_hit(sb) do { } while (0) | |
2818 | #define stat_inc_rbtree_node_hit(sb) do { } while (0) | |
2819 | #define stat_inc_largest_node_hit(sbi) do { } while (0) | |
2820 | #define stat_inc_cached_node_hit(sbi) do { } while (0) | |
2821 | #define stat_inc_inline_xattr(inode) do { } while (0) | |
2822 | #define stat_dec_inline_xattr(inode) do { } while (0) | |
2823 | #define stat_inc_inline_inode(inode) do { } while (0) | |
2824 | #define stat_dec_inline_inode(inode) do { } while (0) | |
2825 | #define stat_inc_inline_dir(inode) do { } while (0) | |
2826 | #define stat_dec_inline_dir(inode) do { } while (0) | |
2827 | #define stat_inc_atomic_write(inode) do { } while (0) | |
2828 | #define stat_dec_atomic_write(inode) do { } while (0) | |
2829 | #define stat_update_max_atomic_write(inode) do { } while (0) | |
2830 | #define stat_inc_volatile_write(inode) do { } while (0) | |
2831 | #define stat_dec_volatile_write(inode) do { } while (0) | |
2832 | #define stat_update_max_volatile_write(inode) do { } while (0) | |
2833 | #define stat_inc_seg_type(sbi, curseg) do { } while (0) | |
2834 | #define stat_inc_block_count(sbi, curseg) do { } while (0) | |
2835 | #define stat_inc_inplace_blocks(sbi) do { } while (0) | |
2836 | #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0) | |
2837 | #define stat_inc_tot_blk_count(si, blks) do { } while (0) | |
2838 | #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0) | |
2839 | #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0) | |
39a53e0c JK |
2840 | |
2841 | static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; } | |
2842 | static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { } | |
787c7b8c | 2843 | static inline int __init f2fs_create_root_stats(void) { return 0; } |
4589d25d | 2844 | static inline void f2fs_destroy_root_stats(void) { } |
39a53e0c JK |
2845 | #endif |
2846 | ||
2847 | extern const struct file_operations f2fs_dir_operations; | |
2848 | extern const struct file_operations f2fs_file_operations; | |
2849 | extern const struct inode_operations f2fs_file_inode_operations; | |
2850 | extern const struct address_space_operations f2fs_dblock_aops; | |
2851 | extern const struct address_space_operations f2fs_node_aops; | |
2852 | extern const struct address_space_operations f2fs_meta_aops; | |
2853 | extern const struct inode_operations f2fs_dir_inode_operations; | |
2854 | extern const struct inode_operations f2fs_symlink_inode_operations; | |
cbaf042a | 2855 | extern const struct inode_operations f2fs_encrypted_symlink_inode_operations; |
39a53e0c | 2856 | extern const struct inode_operations f2fs_special_inode_operations; |
29e7043f | 2857 | extern struct kmem_cache *inode_entry_slab; |
1001b347 | 2858 | |
e18c65b2 HL |
2859 | /* |
2860 | * inline.c | |
2861 | */ | |
cac5a3d8 DS |
2862 | bool f2fs_may_inline_data(struct inode *inode); |
2863 | bool f2fs_may_inline_dentry(struct inode *inode); | |
2864 | void read_inline_data(struct page *page, struct page *ipage); | |
bd4667cb | 2865 | void truncate_inline_inode(struct inode *inode, struct page *ipage, u64 from); |
cac5a3d8 DS |
2866 | int f2fs_read_inline_data(struct inode *inode, struct page *page); |
2867 | int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page); | |
2868 | int f2fs_convert_inline_inode(struct inode *inode); | |
2869 | int f2fs_write_inline_data(struct inode *inode, struct page *page); | |
2870 | bool recover_inline_data(struct inode *inode, struct page *npage); | |
2871 | struct f2fs_dir_entry *find_in_inline_dir(struct inode *dir, | |
2872 | struct fscrypt_name *fname, struct page **res_page); | |
2873 | int make_empty_inline_dir(struct inode *inode, struct inode *parent, | |
2874 | struct page *ipage); | |
2875 | int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name, | |
2876 | const struct qstr *orig_name, | |
2877 | struct inode *inode, nid_t ino, umode_t mode); | |
2878 | void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, struct page *page, | |
2879 | struct inode *dir, struct inode *inode); | |
2880 | bool f2fs_empty_inline_dir(struct inode *dir); | |
2881 | int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx, | |
2882 | struct fscrypt_str *fstr); | |
2883 | int f2fs_inline_data_fiemap(struct inode *inode, | |
2884 | struct fiemap_extent_info *fieinfo, | |
2885 | __u64 start, __u64 len); | |
cde4de12 | 2886 | |
2658e50d JK |
2887 | /* |
2888 | * shrinker.c | |
2889 | */ | |
cac5a3d8 DS |
2890 | unsigned long f2fs_shrink_count(struct shrinker *shrink, |
2891 | struct shrink_control *sc); | |
2892 | unsigned long f2fs_shrink_scan(struct shrinker *shrink, | |
2893 | struct shrink_control *sc); | |
2894 | void f2fs_join_shrinker(struct f2fs_sb_info *sbi); | |
2895 | void f2fs_leave_shrinker(struct f2fs_sb_info *sbi); | |
2658e50d | 2896 | |
a28ef1f5 CY |
2897 | /* |
2898 | * extent_cache.c | |
2899 | */ | |
004b6862 CY |
2900 | struct rb_entry *__lookup_rb_tree(struct rb_root *root, |
2901 | struct rb_entry *cached_re, unsigned int ofs); | |
2902 | struct rb_node **__lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi, | |
2903 | struct rb_root *root, struct rb_node **parent, | |
2904 | unsigned int ofs); | |
2905 | struct rb_entry *__lookup_rb_tree_ret(struct rb_root *root, | |
2906 | struct rb_entry *cached_re, unsigned int ofs, | |
2907 | struct rb_entry **prev_entry, struct rb_entry **next_entry, | |
2908 | struct rb_node ***insert_p, struct rb_node **insert_parent, | |
2909 | bool force); | |
df0f6b44 CY |
2910 | bool __check_rb_tree_consistence(struct f2fs_sb_info *sbi, |
2911 | struct rb_root *root); | |
cac5a3d8 DS |
2912 | unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink); |
2913 | bool f2fs_init_extent_tree(struct inode *inode, struct f2fs_extent *i_ext); | |
2914 | void f2fs_drop_extent_tree(struct inode *inode); | |
2915 | unsigned int f2fs_destroy_extent_node(struct inode *inode); | |
2916 | void f2fs_destroy_extent_tree(struct inode *inode); | |
2917 | bool f2fs_lookup_extent_cache(struct inode *inode, pgoff_t pgofs, | |
2918 | struct extent_info *ei); | |
2919 | void f2fs_update_extent_cache(struct dnode_of_data *dn); | |
19b2c30d | 2920 | void f2fs_update_extent_cache_range(struct dnode_of_data *dn, |
cac5a3d8 DS |
2921 | pgoff_t fofs, block_t blkaddr, unsigned int len); |
2922 | void init_extent_cache_info(struct f2fs_sb_info *sbi); | |
a28ef1f5 CY |
2923 | int __init create_extent_cache(void); |
2924 | void destroy_extent_cache(void); | |
2925 | ||
8ceffcb2 CY |
2926 | /* |
2927 | * sysfs.c | |
2928 | */ | |
dc6b2055 JK |
2929 | int __init f2fs_init_sysfs(void); |
2930 | void f2fs_exit_sysfs(void); | |
2931 | int f2fs_register_sysfs(struct f2fs_sb_info *sbi); | |
2932 | void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi); | |
8ceffcb2 | 2933 | |
cde4de12 JK |
2934 | /* |
2935 | * crypto support | |
2936 | */ | |
0b81d077 | 2937 | static inline bool f2fs_encrypted_inode(struct inode *inode) |
cde4de12 | 2938 | { |
cde4de12 | 2939 | return file_is_encrypt(inode); |
cde4de12 JK |
2940 | } |
2941 | ||
1958593e JK |
2942 | static inline bool f2fs_encrypted_file(struct inode *inode) |
2943 | { | |
2944 | return f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode); | |
2945 | } | |
2946 | ||
cde4de12 JK |
2947 | static inline void f2fs_set_encrypted_inode(struct inode *inode) |
2948 | { | |
2949 | #ifdef CONFIG_F2FS_FS_ENCRYPTION | |
2950 | file_set_encrypt(inode); | |
2951 | #endif | |
2952 | } | |
2953 | ||
2954 | static inline bool f2fs_bio_encrypted(struct bio *bio) | |
2955 | { | |
0b81d077 | 2956 | return bio->bi_private != NULL; |
cde4de12 JK |
2957 | } |
2958 | ||
2959 | static inline int f2fs_sb_has_crypto(struct super_block *sb) | |
2960 | { | |
cde4de12 | 2961 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_ENCRYPT); |
cde4de12 | 2962 | } |
f424f664 | 2963 | |
0bfd7a09 | 2964 | static inline int f2fs_sb_mounted_blkzoned(struct super_block *sb) |
52763a4b | 2965 | { |
0bfd7a09 | 2966 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_BLKZONED); |
52763a4b JK |
2967 | } |
2968 | ||
7a2af766 CY |
2969 | static inline int f2fs_sb_has_extra_attr(struct super_block *sb) |
2970 | { | |
2971 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_EXTRA_ATTR); | |
2972 | } | |
2973 | ||
5c57132e CY |
2974 | static inline int f2fs_sb_has_project_quota(struct super_block *sb) |
2975 | { | |
2976 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_PRJQUOTA); | |
2977 | } | |
2978 | ||
704956ec CY |
2979 | static inline int f2fs_sb_has_inode_chksum(struct super_block *sb) |
2980 | { | |
2981 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_INODE_CHKSUM); | |
2982 | } | |
2983 | ||
178053e2 DLM |
2984 | #ifdef CONFIG_BLK_DEV_ZONED |
2985 | static inline int get_blkz_type(struct f2fs_sb_info *sbi, | |
3c62be17 | 2986 | struct block_device *bdev, block_t blkaddr) |
178053e2 DLM |
2987 | { |
2988 | unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz; | |
3c62be17 | 2989 | int i; |
178053e2 | 2990 | |
3c62be17 JK |
2991 | for (i = 0; i < sbi->s_ndevs; i++) |
2992 | if (FDEV(i).bdev == bdev) | |
2993 | return FDEV(i).blkz_type[zno]; | |
2994 | return -EINVAL; | |
178053e2 DLM |
2995 | } |
2996 | #endif | |
2997 | ||
96ba2dec | 2998 | static inline bool f2fs_discard_en(struct f2fs_sb_info *sbi) |
52763a4b | 2999 | { |
96ba2dec DLM |
3000 | struct request_queue *q = bdev_get_queue(sbi->sb->s_bdev); |
3001 | ||
3002 | return blk_queue_discard(q) || f2fs_sb_mounted_blkzoned(sbi->sb); | |
52763a4b JK |
3003 | } |
3004 | ||
3005 | static inline void set_opt_mode(struct f2fs_sb_info *sbi, unsigned int mt) | |
3006 | { | |
3007 | clear_opt(sbi, ADAPTIVE); | |
3008 | clear_opt(sbi, LFS); | |
3009 | ||
3010 | switch (mt) { | |
3011 | case F2FS_MOUNT_ADAPTIVE: | |
3012 | set_opt(sbi, ADAPTIVE); | |
3013 | break; | |
3014 | case F2FS_MOUNT_LFS: | |
3015 | set_opt(sbi, LFS); | |
3016 | break; | |
3017 | } | |
3018 | } | |
3019 | ||
fcc85a4d JK |
3020 | static inline bool f2fs_may_encrypt(struct inode *inode) |
3021 | { | |
3022 | #ifdef CONFIG_F2FS_FS_ENCRYPTION | |
886f56f9 | 3023 | umode_t mode = inode->i_mode; |
fcc85a4d JK |
3024 | |
3025 | return (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode)); | |
3026 | #else | |
3027 | return 0; | |
3028 | #endif | |
3029 | } | |
3030 | ||
39a53e0c | 3031 | #endif |