nfs41: destroy_session operation

[linux-2.6-block.git] / fs / nfs / nfs4proc.c

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 4d7a8b9e12916ccf974bc76b4d5f58e7a8972998..59e8bf5b10bbcb7609aba33cac433fa139fad77a 100644 (file)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -4532,6 +4532,36 @@ out:
        return status;
 }
 
+/*
+ * Issue the over-the-wire RPC DESTROY_SESSION.
+ * The caller must serialize access to this routine.
+ */
+int nfs4_proc_destroy_session(struct nfs4_session *session)
+{
+       int status = 0;
+       struct rpc_message msg;
+
+       dprintk("--> nfs4_proc_destroy_session\n");
+
+       /* session is still being setup */
+       if (session->clp->cl_cons_state != NFS_CS_READY)
+               return status;
+
+       msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_DESTROY_SESSION];
+       msg.rpc_argp = session;
+       msg.rpc_resp = NULL;
+       msg.rpc_cred = NULL;
+       status = rpc_call_sync(session->clp->cl_rpcclient, &msg, 0);
+
+       if (status)
+               printk(KERN_WARNING
+                       "Got error %d from the server on DESTROY_SESSION. "
+                       "Session has been destroyed regardless...\n", status);
+
+       dprintk("<-- nfs4_proc_destroy_session\n");
+       return status;
+}
+
 #endif /* CONFIG_NFS_V4_1 */
 
 struct nfs4_state_recovery_ops nfs4_reboot_recovery_ops = {