nfsd: cstate->session->se_client -> cstate->clp

I'm not sure why we're writing this out the hard way in so many places.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

fs/nfsd/nfs4proc.c

@@ -378,8 +378,7 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 	 * Before RECLAIM_COMPLETE done, server should deny new lock
 	 */
 	if (nfsd4_has_session(cstate) &&
-	    !test_bit(NFSD4_CLIENT_RECLAIM_COMPLETE,
-		      &cstate->session->se_client->cl_flags) &&
+	    !test_bit(NFSD4_CLIENT_RECLAIM_COMPLETE, &cstate->clp->cl_flags) &&
 	    open->op_claim_type != NFS4_OPEN_CLAIM_PREVIOUS)
 		return nfserr_grace;
 
@@ -1887,7 +1886,7 @@ nfsd4_getdeviceinfo(struct svc_rqst *rqstp,
 	nfserr = nfs_ok;
 	if (gdp->gd_maxcount != 0) {
 		nfserr = ops->proc_getdeviceinfo(exp->ex_path.mnt->mnt_sb,
-				rqstp, cstate->session->se_client, gdp);
+				rqstp, cstate->clp, gdp);
 	}
 
 	gdp->gd_notify_types &= ops->notify_types;

fs/nfsd/nfs4state.c

@@ -3891,6 +3891,7 @@ nfsd4_reclaim_complete(struct svc_rqst *rqstp,
 		struct nfsd4_compound_state *cstate, union nfsd4_op_u *u)
 {
 	struct nfsd4_reclaim_complete *rc = &u->reclaim_complete;
+	struct nfs4_client *clp = cstate->clp;
 	__be32 status = 0;
 
 	if (rc->rca_one_fs) {
@@ -3904,12 +3905,11 @@ nfsd4_reclaim_complete(struct svc_rqst *rqstp,
 	}
 
 	status = nfserr_complete_already;
-	if (test_and_set_bit(NFSD4_CLIENT_RECLAIM_COMPLETE,
-			     &cstate->session->se_client->cl_flags))
+	if (test_and_set_bit(NFSD4_CLIENT_RECLAIM_COMPLETE, &clp->cl_flags))
 		goto out;
 
 	status = nfserr_stale_clientid;
-	if (is_client_expired(cstate->session->se_client))
+	if (is_client_expired(clp))
 		/*
 		 * The following error isn't really legal.
 		 * But we only get here if the client just explicitly
@@ -3920,8 +3920,8 @@ nfsd4_reclaim_complete(struct svc_rqst *rqstp,
 		goto out;
 
 	status = nfs_ok;
-	nfsd4_client_record_create(cstate->session->se_client);
-	inc_reclaim_complete(cstate->session->se_client);
+	nfsd4_client_record_create(clp);
+	inc_reclaim_complete(clp);
 out:
 	return status;
 }
@@ -5918,7 +5918,7 @@ nfsd4_test_stateid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 {
 	struct nfsd4_test_stateid *test_stateid = &u->test_stateid;
 	struct nfsd4_test_stateid_id *stateid;
-	struct nfs4_client *cl = cstate->session->se_client;
+	struct nfs4_client *cl = cstate->clp;
 
 	list_for_each_entry(stateid, &test_stateid->ts_stateid_list, ts_id_list)
 		stateid->ts_id_status =
@@ -5964,7 +5964,7 @@ nfsd4_free_stateid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 	stateid_t *stateid = &free_stateid->fr_stateid;
 	struct nfs4_stid *s;
 	struct nfs4_delegation *dp;
-	struct nfs4_client *cl = cstate->session->se_client;
+	struct nfs4_client *cl = cstate->clp;
 	__be32 ret = nfserr_bad_stateid;
 
 	spin_lock(&cl->cl_lock);
@@ -6693,7 +6693,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 		if (nfsd4_has_session(cstate))
 			/* See rfc 5661 18.10.3: given clientid is ignored: */
 			memcpy(&lock->lk_new_clientid,
-				&cstate->session->se_client->cl_clientid,
+				&cstate->clp->cl_clientid,
 				sizeof(clientid_t));
 
 		/* validate and update open stateid and open seqid */