163 	u64 page_start = page_offset(locked_page);  in btrfs_cleanup_ordered_extents()  local
164 	u64 page_end = page_start + PAGE_SIZE - 1;  in btrfs_cleanup_ordered_extents()
207 	if (page_start >= offset && page_end <= (offset + bytes - 1)) {  in btrfs_cleanup_ordered_extents()
2720 	u64 page_start;  in btrfs_writepage_fixup_worker()  local
2728 	page_start = page_offset(page);  in btrfs_writepage_fixup_worker()
2735 	ret = btrfs_delalloc_reserve_space(inode, &data_reserved, page_start,  in btrfs_writepage_fixup_worker()
2766 						     page_start, PAGE_SIZE,  in btrfs_writepage_fixup_worker()
2780 	lock_extent_bits(&inode->io_tree, page_start, page_end, &cached_state);  in btrfs_writepage_fixup_worker()
2786 	ordered = btrfs_lookup_ordered_range(inode, page_start, PAGE_SIZE);  in btrfs_writepage_fixup_worker()
2788 		unlock_extent_cached(&inode->io_tree, page_start, page_end,  in btrfs_writepage_fixup_worker()
2796 	ret = btrfs_set_extent_delalloc(inode, page_start, page_end, 0,  in btrfs_writepage_fixup_worker()
2813 		btrfs_delalloc_release_space(inode, data_reserved, page_start,  in btrfs_writepage_fixup_worker()
2815 	unlock_extent_cached(&inode->io_tree, page_start, page_end,  in btrfs_writepage_fixup_worker()
2824 		end_extent_writepage(page, ret, page_start, page_end);  in btrfs_writepage_fixup_worker()
8716 	u64 page_start = page_offset(page);  in btrfs_invalidatepage()  local
8717 	u64 page_end = page_start + PAGE_SIZE - 1;  in btrfs_invalidatepage()
8755 		lock_extent_bits(tree, page_start, page_end, &cached_state);  in btrfs_invalidatepage()
8757 	cur = page_start;  in btrfs_invalidatepage()
8908 	u64 page_start;  in btrfs_page_mkwrite()  local
8915 	page_start = page_offset(page);  in btrfs_page_mkwrite()
8916 	page_end = page_start + PAGE_SIZE - 1;  in btrfs_page_mkwrite()
8928 					    page_start, reserved_space);  in btrfs_page_mkwrite()
8947 	    (page_start >= size)) {  in btrfs_page_mkwrite()
8953 	lock_extent_bits(io_tree, page_start, page_end, &cached_state);  in btrfs_page_mkwrite()
8957 		unlock_extent_cached(io_tree, page_start, page_end, &cached_state);  in btrfs_page_mkwrite()
8965 	ordered = btrfs_lookup_ordered_range(BTRFS_I(inode), page_start,  in btrfs_page_mkwrite()
8968 		unlock_extent_cached(io_tree, page_start, page_end,  in btrfs_page_mkwrite()
8978 		reserved_space = round_up(size - page_start,  in btrfs_page_mkwrite()
8981 			end = page_start + reserved_space - 1;  in btrfs_page_mkwrite()
8983 					data_reserved, page_start,  in btrfs_page_mkwrite()
8995 	clear_extent_bit(&BTRFS_I(inode)->io_tree, page_start, end,  in btrfs_page_mkwrite()
8999 	ret2 = btrfs_set_extent_delalloc(BTRFS_I(inode), page_start, end, 0,  in btrfs_page_mkwrite()
9002 		unlock_extent_cached(io_tree, page_start, page_end,  in btrfs_page_mkwrite()
9009 	if (page_start + PAGE_SIZE > size)  in btrfs_page_mkwrite()
9019 	btrfs_page_set_dirty(fs_info, page, page_start, end + 1 - page_start);  in btrfs_page_mkwrite()
9020 	btrfs_page_set_uptodate(fs_info, page, page_start, end + 1 - page_start);  in btrfs_page_mkwrite()
9024 	unlock_extent_cached(io_tree, page_start, page_end, &cached_state);  in btrfs_page_mkwrite()
9037 	btrfs_delalloc_release_space(BTRFS_I(inode), data_reserved, page_start,  in btrfs_page_mkwrite()