NFS: enable nconnect for RDMA

It appears that in certain cases, RDMA capable transports can benefit
from the ability to establish multiple connections to increase their
throughput. This patch therefore enables the use of the "nconnect" mount
option for those use cases.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

diff --git a/fs/nfs/nfs3client.c b/fs/nfs/nfs3client.c
index 674c012..b0c8a39 100644 (file)
--- a/fs/nfs/nfs3client.c
+++ b/fs/nfs/nfs3client.c
@@ -111,6 +111,7 @@ struct nfs_client *nfs3_set_ds_client(struct nfs_server *mds_srv,
        cl_init.hostname = buf;
 
        switch (ds_proto) {
+       case XPRT_TRANSPORT_RDMA:
        case XPRT_TRANSPORT_TCP:
        case XPRT_TRANSPORT_TCP_TLS:
                if (mds_clp->cl_nconnect > 1)

diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 11e3a28..84573df 100644 (file)
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -924,6 +924,7 @@ static int nfs4_set_client(struct nfs_server *server,
        else
                cl_init.max_connect = max_connect;
        switch (proto) {
+       case XPRT_TRANSPORT_RDMA:
        case XPRT_TRANSPORT_TCP:
        case XPRT_TRANSPORT_TCP_TLS:
                cl_init.nconnect = nconnect;
@@ -1000,6 +1001,7 @@ struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv,
        cl_init.hostname = buf;
 
        switch (ds_proto) {
+       case XPRT_TRANSPORT_RDMA:
        case XPRT_TRANSPORT_TCP:
        case XPRT_TRANSPORT_TCP_TLS:
                if (mds_clp->cl_nconnect > 1) {