1 files changed, 32 insertions, 0 deletions

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 2d45606a8085..ed6c8899806d 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -249,7 +249,25 @@ static int nfs4_handle_exception(const struct nfs_server *server, int errorcode,
                         ret = nfs4_wait_clnt_recover(clp);
                         if (ret == 0)
                                 exception->retry = 1;
+#if !defined(CONFIG_NFS_V4_1)
                         break;
+#else /* !defined(CONFIG_NFS_V4_1) */
+                        if (!nfs4_has_session(server->nfs_client))
+                                break;
+                        /* FALLTHROUGH */
+                case -NFS4ERR_BADSESSION:
+                case -NFS4ERR_BADSLOT:
+                case -NFS4ERR_BAD_HIGH_SLOT:
+                case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION:
+                case -NFS4ERR_DEADSESSION:
+                case -NFS4ERR_SEQ_FALSE_RETRY:
+                case -NFS4ERR_SEQ_MISORDERED:
+                        dprintk("%s ERROR: %d Reset session\n", __func__,
+                                errorcode);
+                        set_bit(NFS4CLNT_SESSION_SETUP, &clp->cl_state);
+                        exception->retry = 1;
+                        /* FALLTHROUGH */
+#endif /* !defined(CONFIG_NFS_V4_1) */
                 case -NFS4ERR_FILE_OPEN:
                 case -NFS4ERR_GRACE:
                 case -NFS4ERR_DELAY:
@@ -3241,6 +3259,20 @@ _nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server,
                                 rpc_wake_up_queued_task(&clp->cl_rpcwaitq, task);
                         task->tk_status = 0;
                         return -EAGAIN;
+#if defined(CONFIG_NFS_V4_1)
+                case -NFS4ERR_BADSESSION:
+                case -NFS4ERR_BADSLOT:
+                case -NFS4ERR_BAD_HIGH_SLOT:
+                case -NFS4ERR_DEADSESSION:
+                case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION:
+                case -NFS4ERR_SEQ_FALSE_RETRY:
+                case -NFS4ERR_SEQ_MISORDERED:
+                        dprintk("%s ERROR %d, Reset session\n", __func__,
+                                task->tk_status);
+                        set_bit(NFS4CLNT_SESSION_SETUP, &clp->cl_state);
+                        task->tk_status = 0;
+                        return -EAGAIN;
+#endif /* CONFIG_NFS_V4_1 */
                 case -NFS4ERR_DELAY:
                         if (server)
                                 nfs_inc_server_stats(server, NFSIOS_DELAY);