165 	u64 page_start = page_offset(locked_page);  in btrfs_cleanup_ordered_extents()  local
166 	u64 page_end = page_start + PAGE_SIZE - 1;  in btrfs_cleanup_ordered_extents()
209 	if (page_start >= offset && page_end <= (offset + bytes - 1)) {  in btrfs_cleanup_ordered_extents()
2660 	u64 page_start;  in btrfs_writepage_fixup_worker()  local
2668 	page_start = page_offset(page);  in btrfs_writepage_fixup_worker()
2675 	ret = btrfs_delalloc_reserve_space(inode, &data_reserved, page_start,  in btrfs_writepage_fixup_worker()
2706 						     page_start, PAGE_SIZE,  in btrfs_writepage_fixup_worker()
2720 	lock_extent_bits(&inode->io_tree, page_start, page_end, &cached_state);  in btrfs_writepage_fixup_worker()
2726 	ordered = btrfs_lookup_ordered_range(inode, page_start, PAGE_SIZE);  in btrfs_writepage_fixup_worker()
2728 		unlock_extent_cached(&inode->io_tree, page_start, page_end,  in btrfs_writepage_fixup_worker()
2736 	ret = btrfs_set_extent_delalloc(inode, page_start, page_end, 0,  in btrfs_writepage_fixup_worker()
2753 		btrfs_delalloc_release_space(inode, data_reserved, page_start,  in btrfs_writepage_fixup_worker()
2755 	unlock_extent_cached(&inode->io_tree, page_start, page_end,  in btrfs_writepage_fixup_worker()
2764 		end_extent_writepage(page, ret, page_start, page_end);  in btrfs_writepage_fixup_worker()
8544 	u64 page_start = page_offset(page);  in btrfs_invalidatepage()  local
8545 	u64 page_end = page_start + PAGE_SIZE - 1;  in btrfs_invalidatepage()
8583 		lock_extent_bits(tree, page_start, page_end, &cached_state);  in btrfs_invalidatepage()
8585 	cur = page_start;  in btrfs_invalidatepage()
8736 	u64 page_start;  in btrfs_page_mkwrite()  local
8743 	page_start = page_offset(page);  in btrfs_page_mkwrite()
8744 	page_end = page_start + PAGE_SIZE - 1;  in btrfs_page_mkwrite()
8756 					    page_start, reserved_space);  in btrfs_page_mkwrite()
8775 	    (page_start >= size)) {  in btrfs_page_mkwrite()
8781 	lock_extent_bits(io_tree, page_start, page_end, &cached_state);  in btrfs_page_mkwrite()
8785 		unlock_extent_cached(io_tree, page_start, page_end, &cached_state);  in btrfs_page_mkwrite()
8793 	ordered = btrfs_lookup_ordered_range(BTRFS_I(inode), page_start,  in btrfs_page_mkwrite()
8796 		unlock_extent_cached(io_tree, page_start, page_end,  in btrfs_page_mkwrite()
8806 		reserved_space = round_up(size - page_start,  in btrfs_page_mkwrite()
8809 			end = page_start + reserved_space - 1;  in btrfs_page_mkwrite()
8811 					data_reserved, page_start,  in btrfs_page_mkwrite()
8823 	clear_extent_bit(&BTRFS_I(inode)->io_tree, page_start, end,  in btrfs_page_mkwrite()
8827 	ret2 = btrfs_set_extent_delalloc(BTRFS_I(inode), page_start, end, 0,  in btrfs_page_mkwrite()
8830 		unlock_extent_cached(io_tree, page_start, page_end,  in btrfs_page_mkwrite()
8837 	if (page_start + PAGE_SIZE > size)  in btrfs_page_mkwrite()
8847 	btrfs_page_set_dirty(fs_info, page, page_start, end + 1 - page_start);  in btrfs_page_mkwrite()
8848 	btrfs_page_set_uptodate(fs_info, page, page_start, end + 1 - page_start);  in btrfs_page_mkwrite()
8852 	unlock_extent_cached(io_tree, page_start, page_end, &cached_state);  in btrfs_page_mkwrite()
8865 	btrfs_delalloc_release_space(BTRFS_I(inode), data_reserved, page_start,  in btrfs_page_mkwrite()