nfs41: allow LD to choose DS connection auth flavor

flexfile layout may use different auth flavor as specified by MDS.

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

5 files changed, 14 insertions, 9 deletions

diff --git a/fs/nfs/filelayout/filelayoutdev.c b/fs/nfs/filelayout/filelayoutdev.c
index 27bdd8ce177e..5e4b0cea84c8 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,
+                             s->nfs_client->cl_rpcclient->cl_auth->au_flavor);
 
 out_test_devid:
         if (filelayout_test_devid_unavailable(devid))
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index efaa31c70fbe..7d7c36ff09fa 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -189,7 +189,8 @@ extern 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);
+                                             unsigned int ds_retrans,
+                                             rpc_authflavor_t au_flavor);
 extern struct rpc_clnt *nfs4_find_or_create_ds_client(struct nfs_client *,
                                                 struct inode *);
 #ifdef CONFIG_PROC_FS
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 953daa44a282..62d93a116790 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -849,7 +849,8 @@ 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)
+                int ds_proto, unsigned int ds_timeo, unsigned int ds_retrans,
+                rpc_authflavor_t au_flavor)
 {
         struct nfs_client_initdata cl_init = {
                 .addr = ds_addr,
@@ -874,7 +875,7 @@ struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
          */
         nfs_init_timeout_values(&ds_timeout, ds_proto, ds_timeo, ds_retrans);
         clp = nfs_get_client(&cl_init, &ds_timeout, mds_clp->cl_ipaddr,
-                             mds_clp->cl_rpcclient->cl_auth->au_flavor);
+                             au_flavor);
 
         dprintk("<-- %s %p\n", __func__, clp);
         return clp;
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 9a8937c31d97..2ea9e9a7d85e 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -314,7 +314,7 @@ 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);
+                          unsigned int retrans, 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 5a92e76c6c53..106ee08ef52f 100644
--- a/fs/nfs/pnfs_nfs.c
+++ b/fs/nfs/pnfs_nfs.c
@@ -553,7 +553,8 @@ static void nfs4_clear_ds_conn_bit(struct nfs4_pnfs_ds *ds)
 static int _nfs4_pnfs_ds_connect(struct nfs_server *mds_srv,
                                  struct nfs4_pnfs_ds *ds,
                                  unsigned int timeo,
-                                 unsigned int retrans)
+                                 unsigned int retrans,
+                                 rpc_authflavor_t au_flavor)
 {
         struct nfs_client *clp = ERR_PTR(-EIO);
         struct nfs4_pnfs_ds_addr *da;
@@ -569,7 +570,7 @@ 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);
+                                        timeo, retrans, au_flavor);
                 if (!IS_ERR(clp))
                         break;
         }
@@ -600,12 +601,13 @@ 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)
+                          unsigned int retrans, 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);
+                err = _nfs4_pnfs_ds_connect(mds_srv, ds, timeo,
+                                            retrans, au_flavor);
                 if (err)
                         nfs4_mark_deviceid_unavailable(devid);
                 nfs4_clear_ds_conn_bit(ds);