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2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d 
 kernel/fs/btrfs/extent_io.h
....@@ -5,30 +5,8 @@
55 
66 #include <linux/rbtree.h>
77 #include <linux/refcount.h>
8
+#include <linux/fiemap.h>
89 #include "ulist.h"
9
-
10
-/* bits for the extent state */
11
-#define EXTENT_DIRTY		(1U << 0)
12
-#define EXTENT_WRITEBACK	(1U << 1)
13
-#define EXTENT_UPTODATE		(1U << 2)
14
-#define EXTENT_LOCKED		(1U << 3)
15
-#define EXTENT_NEW		(1U << 4)
16
-#define EXTENT_DELALLOC		(1U << 5)
17
-#define EXTENT_DEFRAG		(1U << 6)
18
-#define EXTENT_BOUNDARY		(1U << 9)
19
-#define EXTENT_NODATASUM	(1U << 10)
20
-#define EXTENT_CLEAR_META_RESV	(1U << 11)
21
-#define EXTENT_FIRST_DELALLOC	(1U << 12)
22
-#define EXTENT_NEED_WAIT	(1U << 13)
23
-#define EXTENT_DAMAGED		(1U << 14)
24
-#define EXTENT_NORESERVE	(1U << 15)
25
-#define EXTENT_QGROUP_RESERVED	(1U << 16)
26
-#define EXTENT_CLEAR_DATA_RESV	(1U << 17)
27
-#define EXTENT_DELALLOC_NEW	(1U << 18)
28
-#define EXTENT_IOBITS		(EXTENT_LOCKED | EXTENT_WRITEBACK)
29
-#define EXTENT_DO_ACCOUNTING    (EXTENT_CLEAR_META_RESV | \
30
-				 EXTENT_CLEAR_DATA_RESV)
31
-#define EXTENT_CTLBITS		(EXTENT_DO_ACCOUNTING | EXTENT_FIRST_DELALLOC)
3210 
3311 /*
3412  * flags for bio submission. The high bits indicate the compression
....@@ -37,18 +15,22 @@
3715 #define EXTENT_BIO_COMPRESSED 1
3816 #define EXTENT_BIO_FLAG_SHIFT 16
3917 
40
-/* these are bit numbers for test/set bit */
41
-#define EXTENT_BUFFER_UPTODATE 0
42
-#define EXTENT_BUFFER_DIRTY 2
43
-#define EXTENT_BUFFER_CORRUPT 3
44
-#define EXTENT_BUFFER_READAHEAD 4	/* this got triggered by readahead */
45
-#define EXTENT_BUFFER_TREE_REF 5
46
-#define EXTENT_BUFFER_STALE 6
47
-#define EXTENT_BUFFER_WRITEBACK 7
48
-#define EXTENT_BUFFER_READ_ERR 8        /* read IO error */
49
-#define EXTENT_BUFFER_UNMAPPED 9
50
-#define EXTENT_BUFFER_IN_TREE 10
51
-#define EXTENT_BUFFER_WRITE_ERR 11    /* write IO error */
18
+enum {
19
+	EXTENT_BUFFER_UPTODATE,
20
+	EXTENT_BUFFER_DIRTY,
21
+	EXTENT_BUFFER_CORRUPT,
22
+	/* this got triggered by readahead */
23
+	EXTENT_BUFFER_READAHEAD,
24
+	EXTENT_BUFFER_TREE_REF,
25
+	EXTENT_BUFFER_STALE,
26
+	EXTENT_BUFFER_WRITEBACK,
27
+	/* read IO error */
28
+	EXTENT_BUFFER_READ_ERR,
29
+	EXTENT_BUFFER_UNMAPPED,
30
+	EXTENT_BUFFER_IN_TREE,
31
+	/* write IO error */
32
+	EXTENT_BUFFER_WRITE_ERR,
33
+};
5234 
5335 /* these are flags for __process_pages_contig */
5436 #define PAGE_UNLOCK		(1 << 0)
....@@ -79,75 +61,18 @@
7961 #define BITMAP_LAST_BYTE_MASK(nbits) \
8062 	(BYTE_MASK >> (-(nbits) & (BITS_PER_BYTE - 1)))
8163 
82
-struct extent_state;
8364 struct btrfs_root;
8465 struct btrfs_inode;
8566 struct btrfs_io_bio;
8667 struct io_failure_record;
68
+struct extent_io_tree;
8769 
88
-typedef	blk_status_t (extent_submit_bio_hook_t)(void *private_data, struct bio *bio,
89
-				       int mirror_num, unsigned long bio_flags,
90
-				       u64 bio_offset);
70
+typedef blk_status_t (submit_bio_hook_t)(struct inode *inode, struct bio *bio,
71
+					 int mirror_num,
72
+					 unsigned long bio_flags);
9173 
9274 typedef blk_status_t (extent_submit_bio_start_t)(void *private_data,
9375 		struct bio *bio, u64 bio_offset);
94
-
95
-struct extent_io_ops {
96
-	/*
97
-	 * The following callbacks must be allways defined, the function
98
-	 * pointer will be called unconditionally.
99
-	 */
100
-	extent_submit_bio_hook_t *submit_bio_hook;
101
-	int (*readpage_end_io_hook)(struct btrfs_io_bio *io_bio, u64 phy_offset,
102
-				    struct page *page, u64 start, u64 end,
103
-				    int mirror);
104
-	int (*readpage_io_failed_hook)(struct page *page, int failed_mirror);
105
-
106
-	/*
107
-	 * Optional hooks, called if the pointer is not NULL
108
-	 */
109
-	int (*writepage_start_hook)(struct page *page, u64 start, u64 end);
110
-	void (*writepage_end_io_hook)(struct page *page, u64 start, u64 end,
111
-				      struct extent_state *state, int uptodate);
112
-	void (*set_bit_hook)(void *private_data, struct extent_state *state,
113
-			     unsigned *bits);
114
-	void (*clear_bit_hook)(void *private_data,
115
-			struct extent_state *state,
116
-			unsigned *bits);
117
-	void (*merge_extent_hook)(void *private_data,
118
-				  struct extent_state *new,
119
-				  struct extent_state *other);
120
-	void (*split_extent_hook)(void *private_data,
121
-				  struct extent_state *orig, u64 split);
122
-	void (*check_extent_io_range)(void *private_data, const char *caller,
123
-				      u64 start, u64 end);
124
-};
125
-
126
-struct extent_io_tree {
127
-	struct rb_root state;
128
-	void *private_data;
129
-	u64 dirty_bytes;
130
-	int track_uptodate;
131
-	spinlock_t lock;
132
-	const struct extent_io_ops *ops;
133
-};
134
-
135
-struct extent_state {
136
-	u64 start;
137
-	u64 end; /* inclusive */
138
-	struct rb_node rb_node;
139
-
140
-	/* ADD NEW ELEMENTS AFTER THIS */
141
-	wait_queue_head_t wq;
142
-	refcount_t refs;
143
-	unsigned state;
144
-
145
-	struct io_failure_record *failrec;
146
-
147
-#ifdef CONFIG_BTRFS_DEBUG
148
-	struct list_head leak_list;
149
-#endif
150
-};
15176 
15277 #define INLINE_EXTENT_BUFFER_PAGES 16
15378 #define MAX_INLINE_EXTENT_BUFFER_SIZE (INLINE_EXTENT_BUFFER_PAGES * PAGE_SIZE)
....@@ -163,14 +88,9 @@
16388 	struct rcu_head rcu_head;
16489 	pid_t lock_owner;
16590 
166
-	/* count of read lock holders on the extent buffer */
167
-	atomic_t write_locks;
168
-	atomic_t read_locks;
169
-	atomic_t blocking_writers;
91
+	int blocking_writers;
17092 	atomic_t blocking_readers;
171
-	atomic_t spinning_readers;
172
-	atomic_t spinning_writers;
173
-	short lock_nested;
93
+	bool lock_recursed;
17494 	/* >= 0 if eb belongs to a log tree, -1 otherwise */
17595 	short log_index;
17696 
....@@ -188,6 +108,10 @@
188108 	wait_queue_head_t read_lock_wq;
189109 	struct page *pages[INLINE_EXTENT_BUFFER_PAGES];
190110 #ifdef CONFIG_BTRFS_DEBUG
111
+	int spinning_writers;
112
+	atomic_t spinning_readers;
113
+	atomic_t read_locks;
114
+	int write_locks;
191115 	struct list_head leak_list;
192116 #endif
193117 };
....@@ -197,7 +121,7 @@
197121  */
198122 struct extent_changeset {
199123 	/* How many bytes are set/cleared in this operation */
200
-	unsigned int bytes_changed;
124
+	u64 bytes_changed;
201125 
202126 	/* Changed ranges */
203127 	struct ulist range_changed;
....@@ -251,150 +175,17 @@
251175 struct extent_map_tree;
252176 
253177 typedef struct extent_map *(get_extent_t)(struct btrfs_inode *inode,
254
-					  struct page *page,
255
-					  size_t pg_offset,
256
-					  u64 start, u64 len,
257
-					  int create);
178
+					  struct page *page, size_t pg_offset,
179
+					  u64 start, u64 len);
258180 
259
-void extent_io_tree_init(struct extent_io_tree *tree, void *private_data);
260181 int try_release_extent_mapping(struct page *page, gfp_t mask);
261182 int try_release_extent_buffer(struct page *page);
262
-int lock_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
263
-		     struct extent_state **cached);
264183 
265
-static inline int lock_extent(struct extent_io_tree *tree, u64 start, u64 end)
266
-{
267
-	return lock_extent_bits(tree, start, end, NULL);
268
-}
269
-
270
-int try_lock_extent(struct extent_io_tree *tree, u64 start, u64 end);
271
-int extent_read_full_page(struct extent_io_tree *tree, struct page *page,
272
-			  get_extent_t *get_extent, int mirror_num);
273
-int __init extent_io_init(void);
274
-void __cold extent_io_exit(void);
275
-
276
-u64 count_range_bits(struct extent_io_tree *tree,
277
-		     u64 *start, u64 search_end,
278
-		     u64 max_bytes, unsigned bits, int contig);
279
-
280
-void free_extent_state(struct extent_state *state);
281
-int test_range_bit(struct extent_io_tree *tree, u64 start, u64 end,
282
-		   unsigned bits, int filled,
283
-		   struct extent_state *cached_state);
284
-int clear_record_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
285
-		unsigned bits, struct extent_changeset *changeset);
286
-int clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
287
-		     unsigned bits, int wake, int delete,
288
-		     struct extent_state **cached);
289
-int __clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
290
-		     unsigned bits, int wake, int delete,
291
-		     struct extent_state **cached, gfp_t mask,
292
-		     struct extent_changeset *changeset);
293
-
294
-static inline int unlock_extent(struct extent_io_tree *tree, u64 start, u64 end)
295
-{
296
-	return clear_extent_bit(tree, start, end, EXTENT_LOCKED, 1, 0, NULL);
297
-}
298
-
299
-static inline int unlock_extent_cached(struct extent_io_tree *tree, u64 start,
300
-		u64 end, struct extent_state **cached)
301
-{
302
-	return __clear_extent_bit(tree, start, end, EXTENT_LOCKED, 1, 0, cached,
303
-				GFP_NOFS, NULL);
304
-}
305
-
306
-static inline int unlock_extent_cached_atomic(struct extent_io_tree *tree,
307
-		u64 start, u64 end, struct extent_state **cached)
308
-{
309
-	return __clear_extent_bit(tree, start, end, EXTENT_LOCKED, 1, 0, cached,
310
-				GFP_ATOMIC, NULL);
311
-}
312
-
313
-static inline int clear_extent_bits(struct extent_io_tree *tree, u64 start,
314
-		u64 end, unsigned bits)
315
-{
316
-	int wake = 0;
317
-
318
-	if (bits & EXTENT_LOCKED)
319
-		wake = 1;
320
-
321
-	return clear_extent_bit(tree, start, end, bits, wake, 0, NULL);
322
-}
323
-
324
-int set_record_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
325
-			   unsigned bits, struct extent_changeset *changeset);
326
-int set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
327
-		   unsigned bits, u64 *failed_start,
328
-		   struct extent_state **cached_state, gfp_t mask);
329
-
330
-static inline int set_extent_bits(struct extent_io_tree *tree, u64 start,
331
-		u64 end, unsigned bits)
332
-{
333
-	return set_extent_bit(tree, start, end, bits, NULL, NULL, GFP_NOFS);
334
-}
335
-
336
-static inline int clear_extent_uptodate(struct extent_io_tree *tree, u64 start,
337
-		u64 end, struct extent_state **cached_state)
338
-{
339
-	return __clear_extent_bit(tree, start, end, EXTENT_UPTODATE, 0, 0,
340
-				cached_state, GFP_NOFS, NULL);
341
-}
342
-
343
-static inline int set_extent_dirty(struct extent_io_tree *tree, u64 start,
344
-		u64 end, gfp_t mask)
345
-{
346
-	return set_extent_bit(tree, start, end, EXTENT_DIRTY, NULL,
347
-			      NULL, mask);
348
-}
349
-
350
-static inline int clear_extent_dirty(struct extent_io_tree *tree, u64 start,
351
-				     u64 end, struct extent_state **cached)
352
-{
353
-	return clear_extent_bit(tree, start, end,
354
-				EXTENT_DIRTY | EXTENT_DELALLOC |
355
-				EXTENT_DO_ACCOUNTING, 0, 0, cached);
356
-}
357
-
358
-int convert_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
359
-		       unsigned bits, unsigned clear_bits,
360
-		       struct extent_state **cached_state);
361
-
362
-static inline int set_extent_delalloc(struct extent_io_tree *tree, u64 start,
363
-				      u64 end, unsigned int extra_bits,
364
-				      struct extent_state **cached_state)
365
-{
366
-	return set_extent_bit(tree, start, end,
367
-			      EXTENT_DELALLOC | EXTENT_UPTODATE | extra_bits,
368
-			      NULL, cached_state, GFP_NOFS);
369
-}
370
-
371
-static inline int set_extent_defrag(struct extent_io_tree *tree, u64 start,
372
-		u64 end, struct extent_state **cached_state)
373
-{
374
-	return set_extent_bit(tree, start, end,
375
-			      EXTENT_DELALLOC | EXTENT_UPTODATE | EXTENT_DEFRAG,
376
-			      NULL, cached_state, GFP_NOFS);
377
-}
378
-
379
-static inline int set_extent_new(struct extent_io_tree *tree, u64 start,
380
-		u64 end)
381
-{
382
-	return set_extent_bit(tree, start, end, EXTENT_NEW, NULL, NULL,
383
-			GFP_NOFS);
384
-}
385
-
386
-static inline int set_extent_uptodate(struct extent_io_tree *tree, u64 start,
387
-		u64 end, struct extent_state **cached_state, gfp_t mask)
388
-{
389
-	return set_extent_bit(tree, start, end, EXTENT_UPTODATE, NULL,
390
-			      cached_state, mask);
391
-}
392
-
393
-int find_first_extent_bit(struct extent_io_tree *tree, u64 start,
394
-			  u64 *start_ret, u64 *end_ret, unsigned bits,
395
-			  struct extent_state **cached_state);
396
-int extent_invalidatepage(struct extent_io_tree *tree,
397
-			  struct page *page, unsigned long offset);
184
+int __must_check submit_one_bio(struct bio *bio, int mirror_num,
185
+				unsigned long bio_flags);
186
+int btrfs_do_readpage(struct page *page, struct extent_map **em_cached,
187
+		      struct bio **bio, unsigned long *bio_flags,
188
+		      unsigned int read_flags, u64 *prev_em_start);
398189 int extent_write_full_page(struct page *page, struct writeback_control *wbc);
399190 int extent_write_locked_range(struct inode *inode, u64 start, u64 end,
400191 			      int mode);
....@@ -402,10 +193,9 @@
402193 		      struct writeback_control *wbc);
403194 int btree_write_cache_pages(struct address_space *mapping,
404195 			    struct writeback_control *wbc);
405
-int extent_readpages(struct address_space *mapping, struct list_head *pages,
406
-		     unsigned nr_pages);
407
-int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
408
-		__u64 start, __u64 len);
196
+void extent_readahead(struct readahead_control *rac);
197
+int extent_fiemap(struct btrfs_inode *inode, struct fiemap_extent_info *fieinfo,
198
+		  u64 start, u64 len);
409199 void set_page_extent_mapped(struct page *page);
410200 
411201 struct extent_buffer *alloc_extent_buffer(struct btrfs_fs_info *fs_info,
....@@ -414,7 +204,7 @@
414204 						  u64 start, unsigned long len);
415205 struct extent_buffer *alloc_dummy_extent_buffer(struct btrfs_fs_info *fs_info,
416206 						u64 start);
417
-struct extent_buffer *btrfs_clone_extent_buffer(struct extent_buffer *src);
207
+struct extent_buffer *btrfs_clone_extent_buffer(const struct extent_buffer *src);
418208 struct extent_buffer *find_extent_buffer(struct btrfs_fs_info *fs_info,
419209 					 u64 start);
420210 void free_extent_buffer(struct extent_buffer *eb);
....@@ -422,8 +212,7 @@
422212 #define WAIT_NONE	0
423213 #define WAIT_COMPLETE	1
424214 #define WAIT_PAGE_LOCK	2
425
-int read_extent_buffer_pages(struct extent_io_tree *tree,
426
-			     struct extent_buffer *eb, int wait,
215
+int read_extent_buffer_pages(struct extent_buffer *eb, int wait,
427216 			     int mirror_num);
428217 void wait_on_extent_buffer_writeback(struct extent_buffer *eb);
429218 
....@@ -433,12 +222,7 @@
433222 	       (eb->start >> PAGE_SHIFT);
434223 }
435224 
436
-static inline void extent_buffer_get(struct extent_buffer *eb)
437
-{
438
-	atomic_inc(&eb->refs);
439
-}
440
-
441
-static inline int extent_buffer_uptodate(struct extent_buffer *eb)
225
+static inline int extent_buffer_uptodate(const struct extent_buffer *eb)
442226 {
443227 	return test_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags);
444228 }
....@@ -451,44 +235,44 @@
451235 int read_extent_buffer_to_user_nofault(const struct extent_buffer *eb,
452236 				       void __user *dst, unsigned long start,
453237 				       unsigned long len);
454
-void write_extent_buffer_fsid(struct extent_buffer *eb, const void *src);
455
-void write_extent_buffer_chunk_tree_uuid(struct extent_buffer *eb,
238
+void write_extent_buffer_fsid(const struct extent_buffer *eb, const void *src);
239
+void write_extent_buffer_chunk_tree_uuid(const struct extent_buffer *eb,
456240 		const void *src);
457
-void write_extent_buffer(struct extent_buffer *eb, const void *src,
241
+void write_extent_buffer(const struct extent_buffer *eb, const void *src,
458242 			 unsigned long start, unsigned long len);
459
-void copy_extent_buffer_full(struct extent_buffer *dst,
460
-			     struct extent_buffer *src);
461
-void copy_extent_buffer(struct extent_buffer *dst, struct extent_buffer *src,
243
+void copy_extent_buffer_full(const struct extent_buffer *dst,
244
+			     const struct extent_buffer *src);
245
+void copy_extent_buffer(const struct extent_buffer *dst,
246
+			const struct extent_buffer *src,
462247 			unsigned long dst_offset, unsigned long src_offset,
463248 			unsigned long len);
464
-void memcpy_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset,
465
-			   unsigned long src_offset, unsigned long len);
466
-void memmove_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset,
467
-			   unsigned long src_offset, unsigned long len);
468
-void memzero_extent_buffer(struct extent_buffer *eb, unsigned long start,
249
+void memcpy_extent_buffer(const struct extent_buffer *dst,
250
+			  unsigned long dst_offset, unsigned long src_offset,
251
+			  unsigned long len);
252
+void memmove_extent_buffer(const struct extent_buffer *dst,
253
+			   unsigned long dst_offset, unsigned long src_offset,
469254 			   unsigned long len);
470
-int extent_buffer_test_bit(struct extent_buffer *eb, unsigned long start,
255
+void memzero_extent_buffer(const struct extent_buffer *eb, unsigned long start,
256
+			   unsigned long len);
257
+int extent_buffer_test_bit(const struct extent_buffer *eb, unsigned long start,
471258 			   unsigned long pos);
472
-void extent_buffer_bitmap_set(struct extent_buffer *eb, unsigned long start,
259
+void extent_buffer_bitmap_set(const struct extent_buffer *eb, unsigned long start,
473260 			      unsigned long pos, unsigned long len);
474
-void extent_buffer_bitmap_clear(struct extent_buffer *eb, unsigned long start,
475
-				unsigned long pos, unsigned long len);
476
-void clear_extent_buffer_dirty(struct extent_buffer *eb);
477
-int set_extent_buffer_dirty(struct extent_buffer *eb);
261
+void extent_buffer_bitmap_clear(const struct extent_buffer *eb,
262
+				unsigned long start, unsigned long pos,
263
+				unsigned long len);
264
+void clear_extent_buffer_dirty(const struct extent_buffer *eb);
265
+bool set_extent_buffer_dirty(struct extent_buffer *eb);
478266 void set_extent_buffer_uptodate(struct extent_buffer *eb);
479267 void clear_extent_buffer_uptodate(struct extent_buffer *eb);
480
-int extent_buffer_under_io(struct extent_buffer *eb);
481
-int map_private_extent_buffer(const struct extent_buffer *eb,
482
-			      unsigned long offset, unsigned long min_len,
483
-			      char **map, unsigned long *map_start,
484
-			      unsigned long *map_len);
268
+int extent_buffer_under_io(const struct extent_buffer *eb);
485269 void extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end);
486270 void extent_range_redirty_for_io(struct inode *inode, u64 start, u64 end);
487
-void extent_clear_unlock_delalloc(struct inode *inode, u64 start, u64 end,
488
-				 u64 delalloc_end, struct page *locked_page,
489
-				 unsigned bits_to_clear,
490
-				 unsigned long page_ops);
491
-struct bio *btrfs_bio_alloc(struct block_device *bdev, u64 first_byte);
271
+void extent_clear_unlock_delalloc(struct btrfs_inode *inode, u64 start, u64 end,
272
+				  struct page *locked_page,
273
+				  unsigned bits_to_clear,
274
+				  unsigned long page_ops);
275
+struct bio *btrfs_bio_alloc(u64 first_byte);
492276 struct bio *btrfs_io_bio_alloc(unsigned int nr_iovecs);
493277 struct bio *btrfs_bio_clone(struct bio *bio);
494278 struct bio *btrfs_bio_clone_partial(struct bio *orig, int offset, int size);
....@@ -499,13 +283,8 @@
499283 int repair_io_failure(struct btrfs_fs_info *fs_info, u64 ino, u64 start,
500284 		      u64 length, u64 logical, struct page *page,
501285 		      unsigned int pg_offset, int mirror_num);
502
-int clean_io_failure(struct btrfs_fs_info *fs_info,
503
-		     struct extent_io_tree *failure_tree,
504
-		     struct extent_io_tree *io_tree, u64 start,
505
-		     struct page *page, u64 ino, unsigned int pg_offset);
506286 void end_extent_writepage(struct page *page, int err, u64 start, u64 end);
507
-int repair_eb_io_failure(struct btrfs_fs_info *fs_info,
508
-			 struct extent_buffer *eb, int mirror_num);
287
+int btrfs_repair_eb_io_failure(const struct extent_buffer *eb, int mirror_num);
509288 
510289 /*
511290  * When IO fails, either with EIO or csum verification fails, we
....@@ -527,26 +306,24 @@
527306 };
528307 
529308 
530
-void btrfs_free_io_failure_record(struct btrfs_inode *inode, u64 start,
531
-		u64 end);
532
-int btrfs_get_io_failure_record(struct inode *inode, u64 start, u64 end,
533
-				struct io_failure_record **failrec_ret);
534
-bool btrfs_check_repairable(struct inode *inode, unsigned failed_bio_pages,
535
-			    struct io_failure_record *failrec, int fail_mirror);
536
-struct bio *btrfs_create_repair_bio(struct inode *inode, struct bio *failed_bio,
537
-				    struct io_failure_record *failrec,
538
-				    struct page *page, int pg_offset, int icsum,
539
-				    bio_end_io_t *endio_func, void *data);
540
-int free_io_failure(struct extent_io_tree *failure_tree,
541
-		    struct extent_io_tree *io_tree,
542
-		    struct io_failure_record *rec);
309
+blk_status_t btrfs_submit_read_repair(struct inode *inode,
310
+				      struct bio *failed_bio, u64 phy_offset,
311
+				      struct page *page, unsigned int pgoff,
312
+				      u64 start, u64 end, int failed_mirror,
313
+				      submit_bio_hook_t *submit_bio_hook);
314
+
543315 #ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
544
-noinline u64 find_lock_delalloc_range(struct inode *inode,
545
-				      struct extent_io_tree *tree,
546
-				      struct page *locked_page, u64 *start,
547
-				      u64 *end, u64 max_bytes);
316
+bool find_lock_delalloc_range(struct inode *inode,
317
+			     struct page *locked_page, u64 *start,
318
+			     u64 *end);
548319 #endif
549320 struct extent_buffer *alloc_test_extent_buffer(struct btrfs_fs_info *fs_info,
550321 					       u64 start);
551322 
323
+#ifdef CONFIG_BTRFS_DEBUG
324
+void btrfs_extent_buffer_leak_debug_check(struct btrfs_fs_info *fs_info);
325
+#else
326
+#define btrfs_extent_buffer_leak_debug_check(fs_info)	do {} while (0)
327
+#endif
328
+
552329 #endif