[PATCH 8/9] pNFS: Allow multiple connections to the DS

[NeilBrown <neilb@suse.com>]

From: Trond Myklebust <trond.myklebust@primarydata.com>

If the user specifies -onconnect=<number> mount option, then set up
<number> connections to the pNFS data server as well. The connections
will all go to the same IP address.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: NeilBrown <neilb@suse.com>
---
 fs/nfs/nfs3client.c |    1 +
 fs/nfs/nfs4client.c |    3 +++
 2 files changed, 4 insertions(+)

diff --git a/fs/nfs/nfs3client.c b/fs/nfs/nfs3client.c
index fb0c425b5d45..c6987077ad15 100644
--- a/fs/nfs/nfs3client.c
+++ b/fs/nfs/nfs3client.c
@@ -93,6 +93,7 @@ struct nfs_client *nfs3_set_ds_client(struct nfs_server *mds_srv,
 		.net = mds_clp->cl_net,
 		.timeparms = &ds_timeout,
 		.cred = mds_srv->cred,
+		.nconnect = mds_clp->cl_nconnect,
 	};
 	struct nfs_client *clp;
 	char buf[INET6_ADDRSTRLEN + 1];
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 401a76290e55..0b15ee54b13c 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -943,6 +943,9 @@ struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv,
 		return ERR_PTR(-EINVAL);
 	cl_init.hostname = buf;
 
+	if (mds_clp->cl_nconnect > 1)
+		cl_init.nconnect = mds_clp->cl_nconnect;
+
 	if (mds_srv->flags & NFS_MOUNT_NORESVPORT)
 		__set_bit(NFS_CS_NORESVPORT, &cl_init.init_flags);