Merge tag 'nfs-for-4.9-1' of git://git.linux-nfs.org/projects/anna/linux-nfs

[cascardo/linux.git] / fs / nfs / callback_proc.c

diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index f953ef6..e9aa235 100644 (file)
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -628,4 +628,20 @@ out:
        dprintk("%s: exit with status = %d\n", __func__, ntohl(status));
        return status;
 }
+
+__be32 nfs4_callback_notify_lock(struct cb_notify_lock_args *args, void *dummy,
+                                struct cb_process_state *cps)
+{
+       if (!cps->clp) /* set in cb_sequence */
+               return htonl(NFS4ERR_OP_NOT_IN_SESSION);
+
+       dprintk_rcu("NFS: CB_NOTIFY_LOCK request from %s\n",
+               rpc_peeraddr2str(cps->clp->cl_rpcclient, RPC_DISPLAY_ADDR));
+
+       /* Don't wake anybody if the string looked bogus */
+       if (args->cbnl_valid)
+               __wake_up(&cps->clp->cl_lock_waitq, TASK_NORMAL, 0, args);
+
+       return htonl(NFS4_OK);
+}
 #endif /* CONFIG_NFS_V4_1 */