1 files changed, 62 insertions, 0 deletions
diff --git a/xlators/meta/src/subvolumes-dir.c b/xlators/meta/src/subvolumes-dir.c
new file mode 100644
index 00000000000..3cb170ea1f4
--- /dev/null
+++ b/xlators/meta/src/subvolumes-dir.c
@@ -0,0 +1,62 @@
+/*
+   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.
+*/
+
+#include <glusterfs/xlator.h>
+#include <glusterfs/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_MALLOC(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;
+}