NFS: EXCHANGE_ID should save the server major and minor ID

Save the server major and minor ID results from EXCHANGE_ID, as they
are needed for detecting server trunking.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

2 files changed, 3 insertions, 1 deletions

diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 3a99f5252340..fbb78fb09bd2 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -80,6 +80,7 @@ struct nfs_client {
         /* The flags used for obtaining the clientid during EXCHANGE_ID */
         u32                     cl_exchange_flags;
         struct nfs4_session     *cl_session;    /* shared session */
+        struct nfs41_server_owner *cl_serverowner;
         struct nfs41_server_scope *cl_serverscope;
         struct nfs41_impl_id    *cl_implid;
 #endif /* CONFIG_NFS_V4 */
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 07048c012dec..0872f32c8eef 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1098,7 +1098,7 @@ struct nfs41_exchange_id_args {
         u32                             flags;
 };
 
-struct server_owner {
+struct nfs41_server_owner {
         uint64_t                        minor_id;
         uint32_t                        major_id_sz;
         char                            major_id[NFS4_OPAQUE_LIMIT];
@@ -1118,6 +1118,7 @@ struct nfs41_impl_id {
 struct nfs41_exchange_id_res {
         struct nfs_client               *client;
         u32                             flags;
+        struct nfs41_server_owner       *server_owner;
         struct nfs41_server_scope       *server_scope;
         struct nfs41_impl_id            *impl_id;
 };