nfs41: Client indicates presence of NFSv4.1 callback channel.

Set the SESSION4_BACK_CHAN flag to indicate the client supports a backchannel.

Signed-off-by: Ricardo Labiaga <ricardo.labiaga@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index f1f087b483ce..4213c8814997 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -4598,7 +4598,7 @@ static int _nfs4_proc_create_session(struct nfs_client *clp)
         int status;
 
         nfs4_init_channel_attrs(&args);
-        args.flags = (SESSION4_PERSIST);
+        args.flags = (SESSION4_PERSIST | SESSION4_BACK_CHAN);
 
         status = rpc_call_sync(session->clp->cl_rpcclient, &msg, 0);