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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 <glusterfs/xlator.h>
#include <glusterfs/defaults.h>
#include "meta-mem-types.h"
#include "meta.h"
#include <glusterfs/strfd.h>
static int
xldump_options(dict_t *this, char *key, data_t *value, void *strfd)
{
strprintf(strfd, " option %s %s\n", key, value->data);
return 0;
}
static void
xldump_subvolumes(xlator_t *this, void *strfd)
{
xlator_list_t *subv = NULL;
if (!this->children)
return;
strprintf(strfd, " subvolumes");
for (subv = this->children; subv; subv = subv->next)
strprintf(strfd, " %s", subv->xlator->name);
strprintf(strfd, "\n");
}
static void
xldump(xlator_t *each, void *strfd)
{
strprintf(strfd, "volume %s\n", each->name);
strprintf(strfd, " type %s\n", each->type);
dict_foreach(each->options, xldump_options, strfd);
xldump_subvolumes(each, strfd);
strprintf(strfd, "end-volume\n");
strprintf(strfd, "\n");
}
static int
volfile_file_fill(xlator_t *this, inode_t *file, strfd_t *strfd)
{
glusterfs_graph_t *graph = NULL;
graph = meta_ctx_get(file, this);
xlator_foreach_depth_first(graph->top, xldump, strfd);
return strfd->size;
}
static struct meta_ops volfile_file_ops = {
.file_fill = volfile_file_fill,
};
int
meta_volfile_file_hook(call_frame_t *frame, xlator_t *this, loc_t *loc,
dict_t *xdata)
{
meta_ops_set(loc->inode, this, &volfile_file_ops);
meta_ctx_set(loc->inode, this, meta_ctx_get(loc->parent, this));
return 0;
}
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