1 files changed, 45 insertions, 12 deletions

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 2931c46c4127..6c5ed51f105e 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1255,26 +1255,59 @@ void nfs41_handle_recall_slot(struct nfs_client *clp)
         nfs4_schedule_state_recovery(clp);
 }
 
+static void nfs4_reset_all_state(struct nfs_client *clp)
+{
+        if (test_and_set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) == 0) {
+                clp->cl_boot_time = CURRENT_TIME;
+                nfs4_state_start_reclaim_nograce(clp);
+                nfs4_schedule_state_recovery(clp);
+        }
+}
+
+static void nfs41_handle_server_reboot(struct nfs_client *clp)
+{
+        if (test_and_set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) == 0) {
+                nfs4_state_start_reclaim_reboot(clp);
+                nfs4_schedule_state_recovery(clp);
+        }
+}
+
+static void nfs41_handle_state_revoked(struct nfs_client *clp)
+{
+        /* Temporary */
+        nfs4_reset_all_state(clp);
+}
+
+static void nfs41_handle_recallable_state_revoked(struct nfs_client *clp)
+{
+        /* This will need to handle layouts too */
+        nfs_expire_all_delegations(clp);
+}
+
+static void nfs41_handle_cb_path_down(struct nfs_client *clp)
+{
+        nfs_expire_all_delegations(clp);
+        if (test_and_set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state) == 0)
+                nfs4_schedule_state_recovery(clp);
+}
+
 void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags)
 {
         if (!flags)
                 return;
-        else if (flags & SEQ4_STATUS_RESTART_RECLAIM_NEEDED) {
-                set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
-                nfs4_state_start_reclaim_reboot(clp);
-                nfs4_schedule_state_recovery(clp);
-        } else if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED |
+        else if (flags & SEQ4_STATUS_RESTART_RECLAIM_NEEDED)
+                nfs41_handle_server_reboot(clp);
+        else if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED |
                             SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED |
                             SEQ4_STATUS_ADMIN_STATE_REVOKED |
-                            SEQ4_STATUS_RECALLABLE_STATE_REVOKED |
-                            SEQ4_STATUS_LEASE_MOVED)) {
-                set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
-                nfs4_state_start_reclaim_nograce(clp);
-                nfs4_schedule_state_recovery(clp);
-        } else if (flags & (SEQ4_STATUS_CB_PATH_DOWN |
+                            SEQ4_STATUS_LEASE_MOVED))
+                nfs41_handle_state_revoked(clp);
+        else if (flags & SEQ4_STATUS_RECALLABLE_STATE_REVOKED)
+                nfs41_handle_recallable_state_revoked(clp);
+        else if (flags & (SEQ4_STATUS_CB_PATH_DOWN |
                             SEQ4_STATUS_BACKCHANNEL_FAULT |
                             SEQ4_STATUS_CB_PATH_DOWN_SESSION))
-                nfs_expire_all_delegations(clp);
+                nfs41_handle_cb_path_down(clp);
 }
 
 static int nfs4_reset_session(struct nfs_client *clp)