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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"
static int
subvolume_link_fill(xlator_t *this, inode_t *inode, strfd_t *strfd)
{
xlator_t *xl = NULL;
xl = meta_ctx_get(inode, this);
strprintf(strfd, "../../%s", xl->name);
return 0;
}
struct meta_ops subvolume_link_ops = {.link_fill = subvolume_link_fill};
int
meta_subvolume_link_hook(call_frame_t *frame, xlator_t *this, loc_t *loc,
dict_t *xdata)
{
int count = 0;
int i = 0;
xlator_t *xl = NULL;
xlator_list_t *subv = NULL;
xlator_t *subvol = NULL;
count = strtol(loc->name, 0, 0);
xl = meta_ctx_get(loc->parent, this);
for (subv = xl->children; subv; subv = subv->next) {
if (i == count) {
subvol = subv->xlator;
break;
}
i++;
}
meta_ctx_set(loc->inode, this, subvol);
meta_ops_set(loc->inode, this, &subvolume_link_ops);
return 0;
}
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