fs/btrfs/backref.c

2264 	char *fspath;  local
2266 	int i = ipath->fspath->elem_cnt;
2270 	bytes_left = ipath->fspath->bytes_left > s_ptr ?
2271 					ipath->fspath->bytes_left - s_ptr : 0;
2273 	fspath_min = (char *)ipath->fspath->val + (i + 1) * s_ptr;
2274 	fspath = btrfs_ref_to_path(ipath->fs_root, ipath->btrfs_path, name_len,
2276 	if (IS_ERR(fspath))
2277 		return PTR_ERR(fspath);
2279 	if (fspath > fspath_min) {
2280 		ipath->fspath->val[i] = (u64)(unsigned long)fspath;
2281 		++ipath->fspath->elem_cnt;
2282 		ipath->fspath->bytes_left = fspath - fspath_min;
2284 		++ipath->fspath->elem_missed;
2285 		ipath->fspath->bytes_missing += fspath_min - fspath;
2286 		ipath->fspath->bytes_left = 0;
2342 	struct btrfs_data_container *fspath;  local
2344 	fspath = init_data_container(total_bytes);
2345 	if (IS_ERR(fspath))
2346 		return ERR_CAST(fspath);
2350 		kvfree(fspath);
2355 	ifp->fspath = fspath;
2365 	kvfree(ipath->fspath);