NFSv4: Don't tell server we rebooted when not necessary
Instead of doing a full setclientid, try doing a RENEW call first.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 3cc88a5..a780518 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1059,19 +1059,19 @@
struct rpc_cred *cred;
int status = -NFS4ERR_EXPIRED;
- /* Are there any open files on this volume? */
+ /* Is the client already known to have an expired lease? */
+ if (test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
+ return 0;
cred = nfs4_get_renew_cred(clp);
- if (cred != NULL) {
- /* Yes there are: try to renew the old lease */
- status = nfs4_proc_renew(clp, cred);
- put_rpccred(cred);
- nfs4_recovery_handle_error(clp, status);
- return status;
+ if (cred == NULL) {
+ cred = nfs4_get_setclientid_cred(clp);
+ if (cred == NULL)
+ goto out;
}
-
- /* "reboot" to ensure we clear all state on the server */
- clp->cl_boot_time = CURRENT_TIME;
- set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
+ status = nfs4_proc_renew(clp, cred);
+ put_rpccred(cred);
+out:
+ nfs4_recovery_handle_error(clp, status);
return status;
}