nfsd_permission
status = nfsd_permission(&rqstp->rq_cred,
error = nfsd_permission(cred, exp, dentry, access);
resp->status = nfsd_permission(
err = nfsd_permission(&rqstp->rq_cred, fhp->fh_export, dentry,
err = nfsd_permission(&rqstp->rq_cred,
err2 = nfsd_permission(&rqstp->rq_cred, export,
__be32 nfsd_permission(struct svc_cred *cred, struct svc_export *exp,