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/*
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 "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_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;
}
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