Patch "nfsd: remove unused set_client argument" has been added to the 5.10-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    nfsd: remove unused set_client argument

to the 5.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     nfsd-remove-unused-set_client-argument.patch
and it can be found in the queue-5.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit f44512ef26af5c44e764021e23f21dc7ac7c6f0b
Author: J. Bruce Fields <bfields@xxxxxxxxxxxx>
Date:   Thu Jan 21 17:57:43 2021 -0500

    nfsd: remove unused set_client argument
    
    [ Upstream commit f71475ba8c2a77fff8051903cf4b7d826c3d1693 ]
    
    Every caller is setting this argument to false, so we don't need it.
    
    Also cut this comment a bit and remove an unnecessary warning.
    
    Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>
    Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index b05598e5bc168..cbec87ee6bc0e 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -4690,8 +4690,7 @@ static struct nfs4_client *lookup_clientid(clientid_t *clid, bool sessions,
 
 static __be32 set_client(clientid_t *clid,
 		struct nfsd4_compound_state *cstate,
-		struct nfsd_net *nn,
-		bool sessions)
+		struct nfsd_net *nn)
 {
 	if (cstate->clp) {
 		if (!same_clid(&cstate->clp->cl_clientid, clid))
@@ -4701,12 +4700,10 @@ static __be32 set_client(clientid_t *clid,
 	if (STALE_CLIENTID(clid, nn))
 		return nfserr_stale_clientid;
 	/*
-	 * For v4.1+ we get the client in the SEQUENCE op. If we don't have one
-	 * cached already then we know this is for is for v4.0 and "sessions"
-	 * will be false.
+	 * We're in the 4.0 case (otherwise the SEQUENCE op would have
+	 * set cstate->clp), so session = false:
 	 */
-	WARN_ON_ONCE(cstate->session);
-	cstate->clp = lookup_clientid(clid, sessions, nn);
+	cstate->clp = lookup_clientid(clid, false, nn);
 	if (!cstate->clp)
 		return nfserr_expired;
 	return nfs_ok;
@@ -4730,7 +4727,7 @@ nfsd4_process_open1(struct nfsd4_compound_state *cstate,
 	if (open->op_file == NULL)
 		return nfserr_jukebox;
 
-	status = set_client(clientid, cstate, nn, false);
+	status = set_client(clientid, cstate, nn);
 	if (status)
 		return status;
 	clp = cstate->clp;
@@ -5320,7 +5317,7 @@ nfsd4_renew(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 	struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
 
 	trace_nfsd_clid_renew(clid);
-	status = set_client(clid, cstate, nn, false);
+	status = set_client(clid, cstate, nn);
 	if (status)
 		return status;
 	clp = cstate->clp;
@@ -5701,7 +5698,7 @@ nfsd4_lookup_stateid(struct nfsd4_compound_state *cstate,
 	if (ZERO_STATEID(stateid) || ONE_STATEID(stateid) ||
 		CLOSE_STATEID(stateid))
 		return nfserr_bad_stateid;
-	status = set_client(&stateid->si_opaque.so_clid, cstate, nn, false);
+	status = set_client(&stateid->si_opaque.so_clid, cstate, nn);
 	if (status == nfserr_stale_clientid) {
 		if (cstate->session)
 			return nfserr_bad_stateid;
@@ -6938,7 +6935,7 @@ nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 		 return nfserr_inval;
 
 	if (!nfsd4_has_session(cstate)) {
-		status = set_client(&lockt->lt_clientid, cstate, nn, false);
+		status = set_client(&lockt->lt_clientid, cstate, nn);
 		if (status)
 			goto out;
 	}
@@ -7122,7 +7119,7 @@ nfsd4_release_lockowner(struct svc_rqst *rqstp,
 	dprintk("nfsd4_release_lockowner clientid: (%08x/%08x):\n",
 		clid->cl_boot, clid->cl_id);
 
-	status = set_client(clid, cstate, nn, false);
+	status = set_client(clid, cstate, nn);
 	if (status)
 		return status;
 
@@ -7262,7 +7259,7 @@ nfs4_check_open_reclaim(clientid_t *clid,
 	__be32 status;
 
 	/* find clientid in conf_id_hashtbl */
-	status = set_client(clid, cstate, nn, false);
+	status = set_client(clid, cstate, nn);
 	if (status)
 		return nfserr_reclaim_bad;