3099 	u64 alloc_start = round_down(offset, sectorsize);  in btrfs_zero_range()  local
3106 	em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, alloc_start,  in btrfs_zero_range()
3107 			      alloc_end - alloc_start);  in btrfs_zero_range()
3121 	if (em->start <= alloc_start &&  in btrfs_zero_range()
3140 		alloc_start = em_end;  in btrfs_zero_range()
3141 		ASSERT(IS_ALIGNED(alloc_start, sectorsize));  in btrfs_zero_range()
3142 		len = offset + len - alloc_start;  in btrfs_zero_range()
3143 		offset = alloc_start;  in btrfs_zero_range()
3150 		em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, alloc_start,  in btrfs_zero_range()
3173 		alloc_start = round_down(offset, sectorsize);  in btrfs_zero_range()
3174 		alloc_end = alloc_start + sectorsize;  in btrfs_zero_range()
3178 	alloc_start = round_up(offset, sectorsize);  in btrfs_zero_range()
3193 			alloc_start = round_down(offset, sectorsize);  in btrfs_zero_range()
3222 	if (alloc_start < alloc_end) {  in btrfs_zero_range()
3224 		const u64 lockstart = alloc_start;  in btrfs_zero_range()
3227 		bytes_to_reserve = alloc_end - alloc_start;  in btrfs_zero_range()
3238 						alloc_start, bytes_to_reserve);  in btrfs_zero_range()
3241 		ret = btrfs_prealloc_file_range(inode, mode, alloc_start,  in btrfs_zero_range()
3242 						alloc_end - alloc_start,  in btrfs_zero_range()
3257 					       alloc_start, bytes_to_reserve);  in btrfs_zero_range()
3274 	u64 alloc_start;  in btrfs_fallocate()  local
3283 	alloc_start = round_down(offset, blocksize);  in btrfs_fallocate()
3285 	cur_offset = alloc_start;  in btrfs_fallocate()
3302 						      alloc_end - alloc_start);  in btrfs_fallocate()
3322 	if (alloc_start > inode->i_size) {  in btrfs_fallocate()
3324 					alloc_start);  in btrfs_fallocate()
3342 	ret = btrfs_wait_ordered_range(inode, alloc_start,  in btrfs_fallocate()
3343 				       alloc_end - alloc_start);  in btrfs_fallocate()
3360 		lock_extent_bits(&BTRFS_I(inode)->io_tree, alloc_start,  in btrfs_fallocate()
3366 		    ordered->file_offset + ordered->num_bytes > alloc_start &&  in btrfs_fallocate()
3370 					     alloc_start, locked_end,  in btrfs_fallocate()
3376 			ret = btrfs_wait_ordered_range(inode, alloc_start,  in btrfs_fallocate()
3377 						       alloc_end - alloc_start);  in btrfs_fallocate()
3456 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, alloc_start, locked_end,  in btrfs_fallocate()