1 files changed, 72 insertions, 0 deletions
diff --git a/xlators/meta/src/plugins/subvolumes-dir.c b/xlators/meta/src/plugins/subvolumes-dir.c
new file mode 100644
index 00000000000..f8d0e8039a1
--- /dev/null
+++ b/xlators/meta/src/plugins/subvolumes-dir.c
@@ -0,0 +1,72 @@
+/*
+   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"
+#include "meta-hooks.h"
+
+
+static int
+subvolumes_dir_fill (xlator_t *this, inode_t *dir, struct meta_dirent **dp)
+{
+	struct meta_dirent *dirents = NULL;
+	xlator_t *xl = NULL;
+	xlator_list_t *subv = NULL;
+	int i = 0;
+	int count = 0;
+
+	xl = meta_ctx_get (dir, this);
+
+	for (subv = xl->children; subv; subv = subv->next)
+		count++;
+
+	dirents = GF_CALLOC (sizeof (*dirents), count, gf_meta_mt_dirents_t);
+	if (!dirents)
+		return -1;
+
+	for (subv = xl->children; subv; subv = subv->next) {
+		char num[16] = { };
+		snprintf (num, 16, "%d", i);
+
+		dirents[i].name = gf_strdup (num);
+		dirents[i].type = IA_IFLNK;
+		dirents[i].hook = meta_subvolume_link_hook;
+		i++;
+	}
+
+	*dp = dirents;
+
+	return count;
+}
+
+
+static struct meta_ops subvolumes_dir_ops = {
+	.dir_fill = subvolumes_dir_fill
+};
+
+
+int
+meta_subvolumes_dir_hook (call_frame_t *frame, xlator_t *this, loc_t *loc,
+			  dict_t *xdata)
+{
+	meta_ctx_set (loc->inode, this, meta_ctx_get (loc->parent, this));
+
+	meta_ops_set (loc->inode, this, &subvolumes_dir_ops);
+
+	return 0;
+}