nfs41: allow LD to choose DS connection version/minor_version

flexfile layout may need to set such when making DS connections.

Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>

5 files changed, 14 insertions, 8 deletions

diff --git a/fs/nfs/filelayout/filelayoutdev.c b/fs/nfs/filelayout/filelayoutdev.c
index 5e4b0cea84c8..4f372e224603 100644
--- a/fs/nfs/filelayout/filelayoutdev.c
+++ b/fs/nfs/filelayout/filelayoutdev.c
@@ -278,7 +278,8 @@ nfs4_fl_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx)
                 goto out_test_devid;
 
         nfs4_pnfs_ds_connect(s, ds, devid, dataserver_timeo,
-                             dataserver_retrans,
+                             dataserver_retrans, 4,
+                             s->nfs_client->cl_minorversion,
                              s->nfs_client->cl_rpcclient->cl_auth->au_flavor);
 
 out_test_devid:
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 7332ba1f693b..5543850268d2 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -190,6 +190,7 @@ extern struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
                                              int ds_addrlen, int ds_proto,
                                              unsigned int ds_timeo,
                                              unsigned int ds_retrans,
+                                             u32 minor_version,
                                              rpc_authflavor_t au_flavor);
 extern struct rpc_clnt *nfs4_find_or_create_ds_client(struct nfs_client *,
                                                 struct inode *);
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 62d93a116790..102d96777d42 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -850,14 +850,14 @@ error:
 struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
                 const struct sockaddr *ds_addr, int ds_addrlen,
                 int ds_proto, unsigned int ds_timeo, unsigned int ds_retrans,
-                rpc_authflavor_t au_flavor)
+                u32 minor_version, rpc_authflavor_t au_flavor)
 {
         struct nfs_client_initdata cl_init = {
                 .addr = ds_addr,
                 .addrlen = ds_addrlen,
                 .nfs_mod = &nfs_v4,
                 .proto = ds_proto,
-                .minorversion = mds_clp->cl_minorversion,
+                .minorversion = minor_version,
                 .net = mds_clp->cl_net,
         };
         struct rpc_timeout ds_timeout;
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index aef89b347bdc..70ffec135696 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -325,7 +325,8 @@ struct nfs4_pnfs_ds *nfs4_pnfs_ds_add(struct list_head *dsaddrs,
                                       gfp_t gfp_flags);
 void nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds,
                           struct nfs4_deviceid_node *devid, unsigned int timeo,
-                          unsigned int retrans, rpc_authflavor_t au_flavor);
+                          unsigned int retrans, u32 versoin, u32 minor_version,
+                          rpc_authflavor_t au_flavor);
 struct nfs4_pnfs_ds_addr *nfs4_decode_mp_ds_addr(struct net *net,
                                                  struct xdr_stream *xdr,
                                                  gfp_t gfp_flags);
diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
index 106ee08ef52f..ad211a4e1874 100644
--- a/fs/nfs/pnfs_nfs.c
+++ b/fs/nfs/pnfs_nfs.c
@@ -554,6 +554,7 @@ static int _nfs4_pnfs_ds_connect(struct nfs_server *mds_srv,
                                  struct nfs4_pnfs_ds *ds,
                                  unsigned int timeo,
                                  unsigned int retrans,
+                                 u32 minor_version,
                                  rpc_authflavor_t au_flavor)
 {
         struct nfs_client *clp = ERR_PTR(-EIO);
@@ -570,7 +571,8 @@ static int _nfs4_pnfs_ds_connect(struct nfs_server *mds_srv,
                 clp = nfs4_set_ds_client(mds_srv->nfs_client,
                                         (struct sockaddr *)&da->da_addr,
                                         da->da_addrlen, IPPROTO_TCP,
-                                        timeo, retrans, au_flavor);
+                                        timeo, retrans, minor_version,
+                                        au_flavor);
                 if (!IS_ERR(clp))
                         break;
         }
@@ -601,13 +603,14 @@ out_put:
  */
 void nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds,
                           struct nfs4_deviceid_node *devid, unsigned int timeo,
-                          unsigned int retrans, rpc_authflavor_t au_flavor)
+                          unsigned int retrans, u32 version,
+                          u32 minor_version, rpc_authflavor_t au_flavor)
 {
         if (test_and_set_bit(NFS4DS_CONNECTING, &ds->ds_state) == 0) {
                 int err = 0;
 
-                err = _nfs4_pnfs_ds_connect(mds_srv, ds, timeo,
-                                            retrans, au_flavor);
+                err = _nfs4_pnfs_ds_connect(mds_srv, ds, timeo, retrans,
+                                            minor_version, au_flavor);
                 if (err)
                         nfs4_mark_deviceid_unavailable(devid);
                 nfs4_clear_ds_conn_bit(ds);