NFSv4.1: Reinitialise sequence results before retransmitting a request

If we have to retransmit a request, we should ensure that we reinitialise
the sequence results structure, since in the event of a signal
we need to treat the request as if it had not been sent.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 77c6e2d3f3fc0af7f7373263a238fbecfa911d2b..5f8517d1a0a5de2d8364f8cb0f25b0d9183cf660 100644 (file)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -945,6 +945,13 @@ EXPORT_SYMBOL_GPL(nfs4_sequence_done);
 
 #endif /* !CONFIG_NFS_V4_1 */
 
+static void nfs41_sequence_res_init(struct nfs4_sequence_res *res)
+{
+       res->sr_timestamp = jiffies;
+       res->sr_status_flags = 0;
+       res->sr_status = 1;
+}
+
 static
 void nfs4_sequence_attach_slot(struct nfs4_sequence_args *args,
                struct nfs4_sequence_res *res,
@@ -956,10 +963,6 @@ void nfs4_sequence_attach_slot(struct nfs4_sequence_args *args,
        args->sa_slot = slot;
 
        res->sr_slot = slot;
-       res->sr_timestamp = jiffies;
-       res->sr_status_flags = 0;
-       res->sr_status = 1;
-
 }
 
 int nfs4_setup_sequence(struct nfs_client *client,
@@ -998,6 +1001,7 @@ int nfs4_setup_sequence(struct nfs_client *client,
 
        trace_nfs4_setup_sequence(session, args);
 out_start:
+       nfs41_sequence_res_init(res);
        rpc_call_start(task);
        return 0;