113 	u64 page_start = page_offset(locked_page);  in btrfs_cleanup_ordered_extents()  local
114 	u64 page_end = page_start + PAGE_SIZE - 1;  in btrfs_cleanup_ordered_extents()
132 	if (page_start >= offset && page_end <= (offset + bytes - 1)) {  in btrfs_cleanup_ordered_extents()
2167 	u64 page_start;  in btrfs_writepage_fixup_worker()  local
2181 	page_start = page_offset(page);  in btrfs_writepage_fixup_worker()
2184 	lock_extent_bits(&BTRFS_I(inode)->io_tree, page_start, page_end,  in btrfs_writepage_fixup_worker()
2191 	ordered = btrfs_lookup_ordered_range(BTRFS_I(inode), page_start,  in btrfs_writepage_fixup_worker()
2194 		unlock_extent_cached(&BTRFS_I(inode)->io_tree, page_start,  in btrfs_writepage_fixup_worker()
2202 	ret = btrfs_delalloc_reserve_space(inode, &data_reserved, page_start,  in btrfs_writepage_fixup_worker()
2206 		end_extent_writepage(page, ret, page_start, page_end);  in btrfs_writepage_fixup_worker()
2211 	ret = btrfs_set_extent_delalloc(inode, page_start, page_end, 0,  in btrfs_writepage_fixup_worker()
2215 		end_extent_writepage(page, ret, page_start, page_end);  in btrfs_writepage_fixup_worker()
2224 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, page_start, page_end,  in btrfs_writepage_fixup_worker()
8821 	u64 page_start = page_offset(page);  in btrfs_invalidatepage()  local
8822 	u64 page_end = page_start + PAGE_SIZE - 1;  in btrfs_invalidatepage()
8843 		lock_extent_bits(tree, page_start, page_end, &cached_state);  in btrfs_invalidatepage()
8845 	start = page_start;  in btrfs_invalidatepage()
8909 		btrfs_qgroup_free_data(inode, NULL, page_start, PAGE_SIZE);  in btrfs_invalidatepage()
8911 		clear_extent_bit(tree, page_start, page_end, EXTENT_LOCKED |  in btrfs_invalidatepage()
8958 	u64 page_start;  in btrfs_page_mkwrite()  local
8965 	page_start = page_offset(page);  in btrfs_page_mkwrite()
8966 	page_end = page_start + PAGE_SIZE - 1;  in btrfs_page_mkwrite()
8977 	ret2 = btrfs_delalloc_reserve_space(inode, &data_reserved, page_start,  in btrfs_page_mkwrite()
8996 	    (page_start >= size)) {  in btrfs_page_mkwrite()
9002 	lock_extent_bits(io_tree, page_start, page_end, &cached_state);  in btrfs_page_mkwrite()
9009 	ordered = btrfs_lookup_ordered_range(BTRFS_I(inode), page_start,  in btrfs_page_mkwrite()
9012 		unlock_extent_cached(io_tree, page_start, page_end,  in btrfs_page_mkwrite()
9021 		reserved_space = round_up(size - page_start,  in btrfs_page_mkwrite()
9024 			end = page_start + reserved_space - 1;  in btrfs_page_mkwrite()
9026 					page_start, PAGE_SIZE - reserved_space,  in btrfs_page_mkwrite()
9038 	clear_extent_bit(&BTRFS_I(inode)->io_tree, page_start, end,  in btrfs_page_mkwrite()
9042 	ret2 = btrfs_set_extent_delalloc(inode, page_start, end, 0,  in btrfs_page_mkwrite()
9045 		unlock_extent_cached(io_tree, page_start, page_end,  in btrfs_page_mkwrite()
9053 	if (page_start + PAGE_SIZE > size)  in btrfs_page_mkwrite()
9072 	unlock_extent_cached(io_tree, page_start, page_end, &cached_state);  in btrfs_page_mkwrite()
9085 	btrfs_delalloc_release_space(inode, data_reserved, page_start,  in btrfs_page_mkwrite()