2791 	u64 alloc_start = round_down(offset, sectorsize);  in btrfs_zero_range()  local
2799 			      alloc_start, alloc_end - alloc_start, 0);  in btrfs_zero_range()
2813 	if (em->start <= alloc_start &&  in btrfs_zero_range()
2832 		alloc_start = em_end;  in btrfs_zero_range()
2833 		ASSERT(IS_ALIGNED(alloc_start, sectorsize));  in btrfs_zero_range()
2834 		len = offset + len - alloc_start;  in btrfs_zero_range()
2835 		offset = alloc_start;  in btrfs_zero_range()
2843 				      alloc_start, sectorsize, 0);  in btrfs_zero_range()
2865 		alloc_start = round_down(offset, sectorsize);  in btrfs_zero_range()
2866 		alloc_end = alloc_start + sectorsize;  in btrfs_zero_range()
2870 	alloc_start = round_up(offset, sectorsize);  in btrfs_zero_range()
2884 			alloc_start = round_down(offset, sectorsize);  in btrfs_zero_range()
2913 	if (alloc_start < alloc_end) {  in btrfs_zero_range()
2915 		const u64 lockstart = alloc_start;  in btrfs_zero_range()
2918 		bytes_to_reserve = alloc_end - alloc_start;  in btrfs_zero_range()
2925 						alloc_start, bytes_to_reserve);  in btrfs_zero_range()
2932 		ret = btrfs_prealloc_file_range(inode, mode, alloc_start,  in btrfs_zero_range()
2933 						alloc_end - alloc_start,  in btrfs_zero_range()
2948 					       alloc_start, bytes_to_reserve);  in btrfs_zero_range()
2965 	u64 alloc_start;  in btrfs_fallocate()  local
2974 	alloc_start = round_down(offset, blocksize);  in btrfs_fallocate()
2976 	cur_offset = alloc_start;  in btrfs_fallocate()
2993 						      alloc_end - alloc_start);  in btrfs_fallocate()
3013 	if (alloc_start > inode->i_size) {  in btrfs_fallocate()
3015 					alloc_start);  in btrfs_fallocate()
3033 	ret = btrfs_wait_ordered_range(inode, alloc_start,  in btrfs_fallocate()
3034 				       alloc_end - alloc_start);  in btrfs_fallocate()
3051 		lock_extent_bits(&BTRFS_I(inode)->io_tree, alloc_start,  in btrfs_fallocate()
3056 		    ordered->file_offset + ordered->len > alloc_start &&  in btrfs_fallocate()
3060 					     alloc_start, locked_end,  in btrfs_fallocate()
3066 			ret = btrfs_wait_ordered_range(inode, alloc_start,  in btrfs_fallocate()
3067 						       alloc_end - alloc_start);  in btrfs_fallocate()
3143 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, alloc_start, locked_end,  in btrfs_fallocate()
3150 				alloc_start, alloc_end - cur_offset);  in btrfs_fallocate()