nfs41: check SEQUENCE status flag

the server can indicate a number of error conditions by setting the
appropriate bits in the SEQUENCE operation. The client re-establishes
state with the server when it receives one of those, with the action
depending on the specific case.

Signed-off-by: Alexandros Batsakis <batsakis@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index d897b9e34f12..71993f122214 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -405,6 +405,8 @@ static void nfs41_sequence_done(struct nfs_client *clp,
                 if (time_before(clp->cl_last_renewal, timestamp))
                         clp->cl_last_renewal = timestamp;
                 spin_unlock(&clp->cl_lock);
+                /* Check sequence flags */
+                nfs41_handle_sequence_flag_errors(clp, res->sr_status_flags);
                 return;
         }
 out: