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authorTrond Myklebust <trond.myklebust@hammerspace.com>2025-10-18 20:10:33 -0400
committerAnna Schumaker <anna.schumaker@oracle.com>2025-11-10 10:32:27 -0500
commit7aca00d950e782e66c34fbd045c9605eca343a36 (patch)
treed4d5c7a71bb42d79857a9121f7f3671b9128f063
parente9a6fb0bcdd7609be6969112f3fbfcce3b1d4a7c (diff)
pnfs: Fix TLS logic in _nfs4_pnfs_v3_ds_connect()
Don't try to add an RDMA transport to a client that is already marked as being a TCP/TLS transport. Fixes: 04a15263662a ("pnfs/flexfiles: connect to NFSv3 DS using TLS if MDS connection uses TLS") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <anna.schumaker@oracle.com>
-rw-r--r--fs/nfs/pnfs_nfs.c32
1 files changed, 18 insertions, 14 deletions
diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
index 7b32afb29782..ff48056bf750 100644
--- a/fs/nfs/pnfs_nfs.c
+++ b/fs/nfs/pnfs_nfs.c
@@ -809,8 +809,11 @@ static int _nfs4_pnfs_v3_ds_connect(struct nfs_server *mds_srv,
unsigned int retrans)
{
struct nfs_client *clp = ERR_PTR(-EIO);
+ struct nfs_client *mds_clp = mds_srv->nfs_client;
+ enum xprtsec_policies xprtsec_policy = mds_clp->cl_xprtsec.policy;
struct nfs4_pnfs_ds_addr *da;
unsigned long connect_timeout = timeo * (retrans + 1) * HZ / 10;
+ int ds_proto;
int status = 0;
dprintk("--> %s DS %s\n", __func__, ds->ds_remotestr);
@@ -834,27 +837,28 @@ static int _nfs4_pnfs_v3_ds_connect(struct nfs_server *mds_srv,
.xprtsec = clp->cl_xprtsec,
};
- if (da->da_transport != clp->cl_proto &&
- clp->cl_proto != XPRT_TRANSPORT_TCP_TLS)
- continue;
- if (da->da_transport == XPRT_TRANSPORT_TCP &&
- mds_srv->nfs_client->cl_proto == XPRT_TRANSPORT_TCP_TLS)
+ if (xprt_args.ident == XPRT_TRANSPORT_TCP &&
+ clp->cl_proto == XPRT_TRANSPORT_TCP_TLS)
xprt_args.ident = XPRT_TRANSPORT_TCP_TLS;
- if (da->da_addr.ss_family != clp->cl_addr.ss_family)
+ if (xprt_args.ident != clp->cl_proto)
+ continue;
+ if (xprt_args.dstaddr->sa_family !=
+ clp->cl_addr.ss_family)
continue;
/* Add this address as an alias */
rpc_clnt_add_xprt(clp->cl_rpcclient, &xprt_args,
- rpc_clnt_test_and_add_xprt, NULL);
+ rpc_clnt_test_and_add_xprt, NULL);
continue;
}
- if (da->da_transport == XPRT_TRANSPORT_TCP &&
- mds_srv->nfs_client->cl_proto == XPRT_TRANSPORT_TCP_TLS)
- da->da_transport = XPRT_TRANSPORT_TCP_TLS;
- clp = get_v3_ds_connect(mds_srv,
- &da->da_addr,
- da->da_addrlen, da->da_transport,
- timeo, retrans);
+
+ ds_proto = da->da_transport;
+ if (ds_proto == XPRT_TRANSPORT_TCP &&
+ xprtsec_policy != RPC_XPRTSEC_NONE)
+ ds_proto = XPRT_TRANSPORT_TCP_TLS;
+
+ clp = get_v3_ds_connect(mds_srv, &da->da_addr, da->da_addrlen,
+ ds_proto, timeo, retrans);
if (IS_ERR(clp))
continue;
clp->cl_rpcclient->cl_softerr = 0;