nfsd: simplify nfsd4_check_open_reclaim

The set_client() was already taken care of by process_open1().

The comments here are mostly redundant with the code.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

fs/nfsd/nfs4proc.c

@@ -428,8 +428,7 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 				goto out;
 			break;
 		case NFS4_OPEN_CLAIM_PREVIOUS:
-			status = nfs4_check_open_reclaim(&open->op_clientid,
-							 cstate, nn);
+			status = nfs4_check_open_reclaim(cstate->clp);
 			if (status)
 				goto out;
 			open->op_openowner->oo_flags |= NFS4_OO_CONFIRMED;

fs/nfsd/nfs4state.c

@@ -7222,25 +7222,13 @@ nfsd4_find_reclaim_client(struct xdr_netobj name, struct nfsd_net *nn)
 	return NULL;
 }
 
-/*
-* Called from OPEN. Look for clientid in reclaim list.
-*/
 __be32
-nfs4_check_open_reclaim(clientid_t *clid,
-		struct nfsd4_compound_state *cstate,
-		struct nfsd_net *nn)
+nfs4_check_open_reclaim(struct nfs4_client *clp)
 {
-	__be32 status;
-
-	/* find clientid in conf_id_hashtbl */
-	status = set_client(clid, cstate, nn);
-	if (status)
-		return nfserr_reclaim_bad;
-
-	if (test_bit(NFSD4_CLIENT_RECLAIM_COMPLETE, &cstate->clp->cl_flags))
+	if (test_bit(NFSD4_CLIENT_RECLAIM_COMPLETE, &clp->cl_flags))
 		return nfserr_no_grace;
 
-	if (nfsd4_client_record_check(cstate->clp))
+	if (nfsd4_client_record_check(clp))
 		return nfserr_reclaim_bad;
 
 	return nfs_ok;

fs/nfsd/state.h

@@ -649,8 +649,7 @@ void nfs4_remove_reclaim_record(struct nfs4_client_reclaim *, struct nfsd_net *)
 extern void nfs4_release_reclaim(struct nfsd_net *);
 extern struct nfs4_client_reclaim *nfsd4_find_reclaim_client(struct xdr_netobj name,
 							struct nfsd_net *nn);
-extern __be32 nfs4_check_open_reclaim(clientid_t *clid,
-		struct nfsd4_compound_state *cstate, struct nfsd_net *nn);
+extern __be32 nfs4_check_open_reclaim(struct nfs4_client *);
 extern void nfsd4_probe_callback(struct nfs4_client *clp);
 extern void nfsd4_probe_callback_sync(struct nfs4_client *clp);
 extern void nfsd4_change_callback(struct nfs4_client *clp, struct nfs4_cb_conn *);