1 files changed, 50 insertions, 0 deletions
diff --git a/xlators/meta/src/plugins/top-link.c b/xlators/meta/src/plugins/top-link.c
new file mode 100644
index 00000000000..94b7f7a9f56
--- /dev/null
+++ b/xlators/meta/src/plugins/top-link.c
@@ -0,0 +1,50 @@
+/*
+   Copyright (c) 2014 Red Hat, Inc. <http://www.redhat.com>
+   This file is part of GlusterFS.
+
+   This file is licensed to you under your choice of the GNU Lesser
+   General Public License, version 3 or any later version (LGPLv3 or
+   later), or the GNU General Public License, version 2 (GPLv2), in all
+   cases as published by the Free Software Foundation.
+*/
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "xlator.h"
+#include "defaults.h"
+
+#include "meta-mem-types.h"
+#include "meta.h"
+
+
+static int
+top_link_fill (xlator_t *this, inode_t *inode, strfd_t *strfd)
+{
+	glusterfs_graph_t *graph = NULL;
+
+	graph = meta_ctx_get (inode, this);
+
+	strprintf (strfd, "%s", ((xlator_t *)graph->top)->name);
+
+	return 0;
+}
+
+
+struct meta_ops top_link_ops = {
+	.link_fill = top_link_fill
+};
+
+
+int
+meta_top_link_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
+		    dict_t *xdata)
+{
+	meta_ops_set (loc->inode, this, &top_link_ops);
+
+	meta_ctx_set (loc->inode, this, meta_ctx_get (loc->parent, this));
+
+	return 0;
+}