87 #define BITMAP_FIRST_BYTE_MASK(start) \  argument
88 	((BYTE_MASK << ((start) & (BITS_PER_BYTE - 1))) & BYTE_MASK)
110 				    struct page *page, u64 start, u64 end,
140 	u64 start;  member
159 	u64 start;  member
259 					  u64 start, u64 len,
268 int lock_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
271 static inline int lock_extent(struct extent_io_tree *tree, u64 start, u64 end)  in lock_extent()  argument
273 	return lock_extent_bits(tree, start, end, NULL);  in lock_extent()
276 int try_lock_extent(struct extent_io_tree *tree, u64 start, u64 end);
283 		     u64 *start, u64 search_end,
287 int test_range_bit(struct extent_io_tree *tree, u64 start, u64 end,
290 int clear_record_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
292 int clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
295 int __clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
300 static inline int unlock_extent(struct extent_io_tree *tree, u64 start, u64 end)  in unlock_extent()  argument
302 	return clear_extent_bit(tree, start, end, EXTENT_LOCKED, 1, 0, NULL);  in unlock_extent()
305 static inline int unlock_extent_cached(struct extent_io_tree *tree, u64 start,  in unlock_extent_cached()  argument
308 	return __clear_extent_bit(tree, start, end, EXTENT_LOCKED, 1, 0, cached,  in unlock_extent_cached()
313 		u64 start, u64 end, struct extent_state **cached)  in unlock_extent_cached_atomic()  argument
315 	return __clear_extent_bit(tree, start, end, EXTENT_LOCKED, 1, 0, cached,  in unlock_extent_cached_atomic()
319 static inline int clear_extent_bits(struct extent_io_tree *tree, u64 start,  in clear_extent_bits()  argument
327 	return clear_extent_bit(tree, start, end, bits, wake, 0, NULL);  in clear_extent_bits()
330 int set_record_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
332 int set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
335 int set_extent_bits_nowait(struct extent_io_tree *tree, u64 start, u64 end,
338 static inline int set_extent_bits(struct extent_io_tree *tree, u64 start,  in set_extent_bits()  argument
341 	return set_extent_bit(tree, start, end, bits, NULL, NULL, GFP_NOFS);  in set_extent_bits()
344 static inline int clear_extent_uptodate(struct extent_io_tree *tree, u64 start,  in clear_extent_uptodate()  argument
347 	return __clear_extent_bit(tree, start, end, EXTENT_UPTODATE, 0, 0,  in clear_extent_uptodate()
351 static inline int set_extent_dirty(struct extent_io_tree *tree, u64 start,  in set_extent_dirty()  argument
354 	return set_extent_bit(tree, start, end, EXTENT_DIRTY, NULL,  in set_extent_dirty()
358 static inline int clear_extent_dirty(struct extent_io_tree *tree, u64 start,  in clear_extent_dirty()  argument
361 	return clear_extent_bit(tree, start, end,  in clear_extent_dirty()
366 int convert_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
370 static inline int set_extent_delalloc(struct extent_io_tree *tree, u64 start,  in set_extent_delalloc()  argument
374 	return set_extent_bit(tree, start, end,  in set_extent_delalloc()
379 static inline int set_extent_defrag(struct extent_io_tree *tree, u64 start,  in set_extent_defrag()  argument
382 	return set_extent_bit(tree, start, end,  in set_extent_defrag()
387 static inline int set_extent_new(struct extent_io_tree *tree, u64 start,  in set_extent_new()  argument
390 	return set_extent_bit(tree, start, end, EXTENT_NEW, NULL, NULL,  in set_extent_new()
394 static inline int set_extent_uptodate(struct extent_io_tree *tree, u64 start,  in set_extent_uptodate()  argument
397 	return set_extent_bit(tree, start, end, EXTENT_UPTODATE, NULL,  in set_extent_uptodate()
401 int find_first_extent_bit(struct extent_io_tree *tree, u64 start,
404 void find_first_clear_extent_bit(struct extent_io_tree *tree, u64 start,
409 int extent_write_locked_range(struct inode *inode, u64 start, u64 end,
418 		__u64 start, __u64 len);
422 					  u64 start);
424 						  u64 start, unsigned long len);
426 						u64 start);
429 					 u64 start);
441 	return (round_up(eb->start + eb->len, PAGE_SIZE) >> PAGE_SHIFT) -  in num_extent_pages()
442 	       (eb->start >> PAGE_SHIFT);  in num_extent_pages()
456 			 unsigned long start, unsigned long len);
458 			unsigned long start,
461 			       void __user *dst, unsigned long start,
467 			 unsigned long start, unsigned long len);
477 void memzero_extent_buffer(struct extent_buffer *eb, unsigned long start,
479 int extent_buffer_test_bit(struct extent_buffer *eb, unsigned long start,
481 void extent_buffer_bitmap_set(struct extent_buffer *eb, unsigned long start,
483 void extent_buffer_bitmap_clear(struct extent_buffer *eb, unsigned long start,
494 void extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end);
495 void extent_range_redirty_for_io(struct inode *inode, u64 start, u64 end);
496 void extent_clear_unlock_delalloc(struct inode *inode, u64 start, u64 end,
508 int repair_io_failure(struct btrfs_fs_info *fs_info, u64 ino, u64 start,
513 		     struct extent_io_tree *io_tree, u64 start,
515 void end_extent_writepage(struct page *page, int err, u64 start, u64 end);
528 	u64 start;  member
538 void btrfs_free_io_failure_record(struct btrfs_inode *inode, u64 start,
540 int btrfs_get_io_failure_record(struct inode *inode, u64 start, u64 end,
553 			     struct page *locked_page, u64 *start,
557 					       u64 start);