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/*
* Copyright (C) 2018 by Kenneth Van Alstyne <kvanals@kvanals.org>
*
* This file may be redistributed under the terms of the
* GNU Lesser General Public License.
*
*
* Ceph BlueStore is one of the supported storage
* methods for Object Storage Devices (OSDs).
* This is used to detect the backing block devices
* used for these types of OSDs in a Ceph Cluster.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include <inttypes.h>
#include <stddef.h>
#include "bitops.h"
#include "superblocks.h"
#define BLUESTORE_MAGIC_L 22
struct bluestore_phdr {
uint8_t magic[BLUESTORE_MAGIC_L];
} __attribute__((packed));
static int probe_bluestore(blkid_probe pr, const struct blkid_idmag *mag)
{
const struct bluestore_phdr *header;
header = blkid_probe_get_sb(pr, mag, struct bluestore_phdr);
if (header == NULL)
return errno ? -errno : 1;
return 0;
}
const struct blkid_idinfo bluestore_idinfo =
{
.name = "ceph_bluestore",
.usage = BLKID_USAGE_OTHER,
.probefunc = probe_bluestore,
.magics =
{
{ .magic = "bluestore block device", .len = 22 },
{ NULL }
}
};
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