prealloc_start   3206 fs/btrfs/relocation.c 	u64 prealloc_start = cluster->start - offset;
prealloc_start   3214 fs/btrfs/relocation.c 	ret = btrfs_check_data_free_space(inode, &data_reserved, prealloc_start,
prealloc_start   3215 fs/btrfs/relocation.c 					  prealloc_end + 1 - prealloc_start);
prealloc_start   3219 fs/btrfs/relocation.c 	cur_offset = prealloc_start;