kernfs_path_from_node
EXPORT_SYMBOL_GPL(kernfs_path_from_node);
sz = kernfs_path_from_node(kn, NULL, kernfs_pr_cont_buf,
int kernfs_path_from_node(struct kernfs_node *kn_to, struct kernfs_node *kn_from,
return kernfs_path_from_node(kn, NULL, buf, buflen);
len = kernfs_path_from_node(kf_node, ns_cgroup->kn, buf, PATH_MAX);
return kernfs_path_from_node(cgrp->kn, root->kn, buf, buflen);