xfs_attr_valid    424 xfs/xfs_vnodeops-common.c     error = xfs_attr_valid(vp, cred, p, NNPFS_ATTR_R);
xfs_attr_valid    524 xfs/xfs_vnodeops-common.c     error = xfs_attr_valid(vp, cred, p, NNPFS_ATTR_R);
xfs_attr_valid     90 xfs/xfs_vnodeops.h xfs_attr_valid(struct vnode *vp, struct ucred *cred, d_thread_t *p,