59 #define BITMAP_FIRST_BYTE_MASK(start) \  argument
60 	((BYTE_MASK << ((start) & (BITS_PER_BYTE - 1))) & BYTE_MASK)
80 	u64 start;  member
179 					  u64 start, u64 len);
190 int extent_write_locked_range(struct inode *inode, u64 start, u64 end,
198 		  u64 start, u64 len);
202 					  u64 start);
204 						  u64 start, unsigned long len);
206 						u64 start);
209 					 u64 start);
221 	return (round_up(eb->start + eb->len, PAGE_SIZE) >> PAGE_SHIFT) -  in num_extent_pages()
222 	       (eb->start >> PAGE_SHIFT);  in num_extent_pages()
231 			 unsigned long start, unsigned long len);
233 			unsigned long start,
236 				       void __user *dst, unsigned long start,
242 			 unsigned long start, unsigned long len);
255 void memzero_extent_buffer(const struct extent_buffer *eb, unsigned long start,
257 int extent_buffer_test_bit(const struct extent_buffer *eb, unsigned long start,
259 void extent_buffer_bitmap_set(const struct extent_buffer *eb, unsigned long start,
262 				unsigned long start, unsigned long pos,
269 void extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end);
270 void extent_range_redirty_for_io(struct inode *inode, u64 start, u64 end);
271 void extent_clear_unlock_delalloc(struct btrfs_inode *inode, u64 start, u64 end,
283 int repair_io_failure(struct btrfs_fs_info *fs_info, u64 ino, u64 start,
286 void end_extent_writepage(struct page *page, int err, u64 start, u64 end);
299 	u64 start;  member
312 				      u64 start, u64 end, int failed_mirror,
317 			     struct page *locked_page, u64 *start,
321 					       u64 start);