privileged_wrt_inode_uidgid
!privileged_wrt_inode_uidgid(user_ns, idmap, inode))
if (!privileged_wrt_inode_uidgid(user_ns, idmap, d_inode(dentry)))
if (!privileged_wrt_inode_uidgid(user_ns, idmap,
bool privileged_wrt_inode_uidgid(struct user_namespace *ns,
privileged_wrt_inode_uidgid(ns, idmap, inode);