2079 	u64 page_start;  in btrfs_writepage_fixup_worker()  local
2093 	page_start = page_offset(page);  in btrfs_writepage_fixup_worker()
2096 	lock_extent_bits(&BTRFS_I(inode)->io_tree, page_start, page_end,  in btrfs_writepage_fixup_worker()
2103 	ordered = btrfs_lookup_ordered_range(BTRFS_I(inode), page_start,  in btrfs_writepage_fixup_worker()
2106 		unlock_extent_cached(&BTRFS_I(inode)->io_tree, page_start,  in btrfs_writepage_fixup_worker()
2114 	ret = btrfs_delalloc_reserve_space(inode, &data_reserved, page_start,  in btrfs_writepage_fixup_worker()
2118 		end_extent_writepage(page, ret, page_start, page_end);  in btrfs_writepage_fixup_worker()
2123 	ret = btrfs_set_extent_delalloc(inode, page_start, page_end, 0,  in btrfs_writepage_fixup_worker()
2127 		end_extent_writepage(page, ret, page_start, page_end);  in btrfs_writepage_fixup_worker()
2136 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, page_start, page_end,  in btrfs_writepage_fixup_worker()
8686 	u64 page_start = page_offset(page);  in btrfs_invalidatepage()  local
8687 	u64 page_end = page_start + PAGE_SIZE - 1;  in btrfs_invalidatepage()
8708 		lock_extent_bits(tree, page_start, page_end, &cached_state);  in btrfs_invalidatepage()
8710 	start = page_start;  in btrfs_invalidatepage()
8775 		btrfs_qgroup_free_data(inode, NULL, page_start, PAGE_SIZE);  in btrfs_invalidatepage()
8777 		clear_extent_bit(tree, page_start, page_end,  in btrfs_invalidatepage()
8825 	u64 page_start;  in btrfs_page_mkwrite()  local
8832 	page_start = page_offset(page);  in btrfs_page_mkwrite()
8833 	page_end = page_start + PAGE_SIZE - 1;  in btrfs_page_mkwrite()
8844 	ret2 = btrfs_delalloc_reserve_space(inode, &data_reserved, page_start,  in btrfs_page_mkwrite()
8863 	    (page_start >= size)) {  in btrfs_page_mkwrite()
8869 	lock_extent_bits(io_tree, page_start, page_end, &cached_state);  in btrfs_page_mkwrite()
8876 	ordered = btrfs_lookup_ordered_range(BTRFS_I(inode), page_start,  in btrfs_page_mkwrite()
8879 		unlock_extent_cached(io_tree, page_start, page_end,  in btrfs_page_mkwrite()
8888 		reserved_space = round_up(size - page_start,  in btrfs_page_mkwrite()
8891 			end = page_start + reserved_space - 1;  in btrfs_page_mkwrite()
8893 					page_start, PAGE_SIZE - reserved_space,  in btrfs_page_mkwrite()
8905 	clear_extent_bit(&BTRFS_I(inode)->io_tree, page_start, end,  in btrfs_page_mkwrite()
8910 	ret2 = btrfs_set_extent_delalloc(inode, page_start, end, 0,  in btrfs_page_mkwrite()
8913 		unlock_extent_cached(io_tree, page_start, page_end,  in btrfs_page_mkwrite()
8921 	if (page_start + PAGE_SIZE > size)  in btrfs_page_mkwrite()
8940 	unlock_extent_cached(io_tree, page_start, page_end, &cached_state);  in btrfs_page_mkwrite()
8953 	btrfs_delalloc_release_space(inode, data_reserved, page_start,  in btrfs_page_mkwrite()