File: zfs.c

package info (click to toggle)
parted 3.2-7
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 15,312 kB
  • ctags: 12,128
  • sloc: ansic: 68,106; sh: 18,156; makefile: 632; perl: 179; python: 45; asm: 36; sed: 16
file content (77 lines) | stat: -rw-r--r-- 1,834 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
/*
    libparted - a library for manipulating disk partitions
    Copyright (C) 2000, 2007, 2009-2010 Free Software Foundation, Inc.

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include <config.h>

#include <parted/parted.h>
#include <parted/endian.h>

#if ENABLE_NLS
#  include <libintl.h>
#  define _(String) dgettext (PACKAGE, String)
#else
#  define _(String) (String)
#endif /* ENABLE_NLS */

#include <unistd.h>

#define ZFS_SIGNATURE		0x00bab10c

struct zfs_uberblock
{
  uint64_t signature;
  uint64_t version;
};

static PedGeometry*
zfs_probe (PedGeometry* geom)
{
	struct zfs_uberblock *uber = alloca (geom->dev->sector_size);

	if (!ped_geometry_read (geom, uber, 256, 1))
		return 0;

	if ((le64toh (uber->signature) == ZFS_SIGNATURE
		|| be64toh (uber->signature) == ZFS_SIGNATURE)
		&& uber->version != 0)
		return ped_geometry_new (geom->dev, geom->start, geom->length);
	else
		return NULL;
}

static PedFileSystemOps zfs_ops = {
	probe:		zfs_probe,
};

static PedFileSystemType zfs_type = {
	next:	NULL,
	ops:	&zfs_ops,
	name:	"zfs",
};

void
ped_file_system_zfs_init ()
{
	ped_file_system_type_register (&zfs_type);
}

void
ped_file_system_zfs_done ()
{
	ped_file_system_type_unregister (&zfs_type);
}