nfsd4_release_lockowner
.op_func = nfsd4_release_lockowner,
struct nfsd4_release_lockowner *rlockowner = &u->release_lockowner;
struct nfsd4_release_lockowner *rlockowner = &u->release_lockowner;
nfsd4_release_lockowner(struct svc_rqst *rqstp,
struct nfsd4_release_lockowner release_lockowner;