77 #define BITMAP_FIRST_BYTE_MASK(start) \  argument
78 	((BYTE_MASK << ((start) & (BITS_PER_BYTE - 1))) & BYTE_MASK)
102 				    struct page *page, u64 start, u64 end,
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,
123 				      u64 start, u64 end);
136 	u64 start;  member
155 	u64 start;  member
256 					  u64 start, u64 len,
262 int lock_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
265 static inline int lock_extent(struct extent_io_tree *tree, u64 start, u64 end)  in lock_extent()  argument
267 	return lock_extent_bits(tree, start, end, NULL);  in lock_extent()
270 int try_lock_extent(struct extent_io_tree *tree, u64 start, u64 end);
277 		     u64 *start, u64 search_end,
281 int test_range_bit(struct extent_io_tree *tree, u64 start, u64 end,
284 int clear_record_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
286 int clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
289 int __clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
294 static inline int unlock_extent(struct extent_io_tree *tree, u64 start, u64 end)  in unlock_extent()  argument
296 	return clear_extent_bit(tree, start, end, EXTENT_LOCKED, 1, 0, NULL);  in unlock_extent()
299 static inline int unlock_extent_cached(struct extent_io_tree *tree, u64 start,  in unlock_extent_cached()  argument
302 	return __clear_extent_bit(tree, start, end, EXTENT_LOCKED, 1, 0, cached,  in unlock_extent_cached()
307 		u64 start, u64 end, struct extent_state **cached)  in unlock_extent_cached_atomic()  argument
309 	return __clear_extent_bit(tree, start, end, EXTENT_LOCKED, 1, 0, cached,  in unlock_extent_cached_atomic()
313 static inline int clear_extent_bits(struct extent_io_tree *tree, u64 start,  in clear_extent_bits()  argument
321 	return clear_extent_bit(tree, start, end, bits, wake, 0, NULL);  in clear_extent_bits()
324 int set_record_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
326 int set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
330 static inline int set_extent_bits(struct extent_io_tree *tree, u64 start,  in set_extent_bits()  argument
333 	return set_extent_bit(tree, start, end, bits, NULL, NULL, GFP_NOFS);  in set_extent_bits()
336 static inline int clear_extent_uptodate(struct extent_io_tree *tree, u64 start,  in clear_extent_uptodate()  argument
339 	return __clear_extent_bit(tree, start, end, EXTENT_UPTODATE, 0, 0,  in clear_extent_uptodate()
343 static inline int set_extent_dirty(struct extent_io_tree *tree, u64 start,  in set_extent_dirty()  argument
346 	return set_extent_bit(tree, start, end, EXTENT_DIRTY, NULL,  in set_extent_dirty()
350 static inline int clear_extent_dirty(struct extent_io_tree *tree, u64 start,  in clear_extent_dirty()  argument
353 	return clear_extent_bit(tree, start, end,  in clear_extent_dirty()
358 int convert_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
362 static inline int set_extent_delalloc(struct extent_io_tree *tree, u64 start,  in set_extent_delalloc()  argument
366 	return set_extent_bit(tree, start, end,  in set_extent_delalloc()
371 static inline int set_extent_defrag(struct extent_io_tree *tree, u64 start,  in set_extent_defrag()  argument
374 	return set_extent_bit(tree, start, end,  in set_extent_defrag()
379 static inline int set_extent_new(struct extent_io_tree *tree, u64 start,  in set_extent_new()  argument
382 	return set_extent_bit(tree, start, end, EXTENT_NEW, NULL, NULL,  in set_extent_new()
386 static inline int set_extent_uptodate(struct extent_io_tree *tree, u64 start,  in set_extent_uptodate()  argument
389 	return set_extent_bit(tree, start, end, EXTENT_UPTODATE, NULL,  in set_extent_uptodate()
393 int find_first_extent_bit(struct extent_io_tree *tree, u64 start,
399 int extent_write_locked_range(struct inode *inode, u64 start, u64 end,
408 		__u64 start, __u64 len);
412 					  u64 start);
414 						  u64 start, unsigned long len);
416 						u64 start);
419 					 u64 start);
432 	return (round_up(eb->start + eb->len, PAGE_SIZE) >> PAGE_SHIFT) -  in num_extent_pages()
433 	       (eb->start >> PAGE_SHIFT);  in num_extent_pages()
447 			 unsigned long start, unsigned long len);
449 			unsigned long start,
452 				       void __user *dst, unsigned long start,
458 			 unsigned long start, unsigned long len);
468 void memzero_extent_buffer(struct extent_buffer *eb, unsigned long start,
470 int extent_buffer_test_bit(struct extent_buffer *eb, unsigned long start,
472 void extent_buffer_bitmap_set(struct extent_buffer *eb, unsigned long start,
474 void extent_buffer_bitmap_clear(struct extent_buffer *eb, unsigned long start,
485 void extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end);
486 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,
499 int repair_io_failure(struct btrfs_fs_info *fs_info, u64 ino, u64 start,
504 		     struct extent_io_tree *io_tree, u64 start,
506 void end_extent_writepage(struct page *page, int err, u64 start, u64 end);
520 	u64 start;  member
530 void btrfs_free_io_failure_record(struct btrfs_inode *inode, u64 start,
532 int btrfs_get_io_failure_record(struct inode *inode, u64 start, u64 end,
546 				      struct page *locked_page, u64 *start,
550 					       u64 start);