NFSv4.1: Retry CREATE_SESSION on NFS4ERR_DELAY
Fix bug where we currently retry the EXCHANGEID call again, eventhough
we already have a valid clientid. Instead, delay and retry the CREATE_SESSION
call.
Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index b07d4e2..d3c705a 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -5028,10 +5028,20 @@
int status;
unsigned *ptr;
struct nfs4_session *session = clp->cl_session;
+ long timeout = 0;
+ int err;
dprintk("--> %s clp=%p session=%p\n", __func__, clp, session);
- status = _nfs4_proc_create_session(clp);
+ do {
+ status = _nfs4_proc_create_session(clp);
+ if (status == -NFS4ERR_DELAY) {
+ err = nfs4_delay(clp->cl_rpcclient, &timeout);
+ if (err)
+ status = err;
+ }
+ } while (status == -NFS4ERR_DELAY);
+
if (status)
goto out;