[PATCH] udev_volume_id: new version of volume_id

Every filesystem has its own subdirectory.
The IBM dasd label reading is included into volume_id.

42 files changed, 3472 insertions, 2395 deletions

diff --git a/extras/volume_id/Makefile b/extras/volume_id/Makefile
index 5c8adb065b..f0c15b8fec 100644
--- a/extras/volume_id/Makefile
+++ b/extras/volume_id/Makefile
@@ -33,8 +33,50 @@ override CFLAGS+=-Wall -fno-builtin -Wchar-subscripts \
 
 override CFLAGS+=-D_FILE_OFFSET_BITS=64
 
-OBJS = volume_id.o udev_volume_id.o dasdlabel.o $(SYSFS)
-HEADERS = volume_id.h dasdlabel.h
+VOLUME_ID_OBJS=					\
+	volume_id/ext/ext.o			\
+	volume_id/fat/fat.o			\
+	volume_id/hfs/hfs.o			\
+	volume_id/highpoint/highpoint.o		\
+	volume_id/iso9660/iso9660.o		\
+	volume_id/jfs/jfs.o			\
+	volume_id/linux_raid/linux_raid.o	\
+	volume_id/linux_swap/linux_swap.o	\
+	volume_id/lvm/lvm.o			\
+	volume_id/mac/mac.o			\
+	volume_id/msdos/msdos.o			\
+	volume_id/ntfs/ntfs.o			\
+	volume_id/reiserfs/reiserfs.o		\
+	volume_id/udf/udf.o			\
+	volume_id/ufs/ufs.o			\
+	volume_id/xfs/xfs.o			\
+	volume_id/dasd/dasd.o			\
+	volume_id/volume_id.o			\
+	volume_id/util.o
+
+VOLUME_ID_HEADERS=				\
+	volume_id/ext/ext.h			\
+	volume_id/fat/fat.h			\
+	volume_id/hfs/hfs.h			\
+	volume_id/highpoint/highpoint.h		\
+	volume_id/iso9660/iso9660.h		\
+	volume_id/jfs/jfs.h			\
+	volume_id/linux_raid/linux_raid.h	\
+	volume_id/linux_swap/linux_swap.h	\
+	volume_id/lvm/lvm.h			\
+	volume_id/mac/mac.h			\
+	volume_id/msdos/msdos.h			\
+	volume_id/ntfs/ntfs.h			\
+	volume_id/reiserfs/reiserfs.h		\
+	volume_id/udf/udf.h			\
+	volume_id/ufs/ufs.h			\
+	volume_id/xfs/xfs.h			\
+	volume_id/dasd/dasd.h			\
+	volume_id/volume_id.h			\
+	volume_id/util.h
+
+OBJS = udev_volume_id.o $(VOLUME_ID_OBJS) $(SYSFS)
+HEADERS = $(VOLUME_ID_HEADERS)
 
 $(OBJS): $(HEADERS)
 
@@ -54,4 +96,3 @@ install: all
 
 uninstall:
 	- rm $(DESTDIR)$(sbindir)/$(PROG)
-
diff --git a/extras/volume_id/udev_volume_id.c b/extras/volume_id/udev_volume_id.c
index 7b69856804..915c1c4117 100644
--- a/extras/volume_id/udev_volume_id.c
+++ b/extras/volume_id/udev_volume_id.c
@@ -31,8 +31,8 @@
 #include "../../libsysfs/sysfs/libsysfs.h"
 #include "../../udev_utils.h"
 #include "../../logging.h"
-#include "volume_id.h"
-#include "dasdlabel.h"
+#include "volume_id/volume_id.h"
+#include "volume_id/dasd/dasd.h"
 
 #define BLKGETSIZE64 _IOR(0x12,114,size_t)
 
@@ -74,26 +74,6 @@ static struct volume_id *open_classdev(struct sysfs_class_device *class_dev)
 	return vid;
 }
 
-static char *usage_id_name(enum volume_id_usage usage)
-{
-	switch(usage) {
-	case VOLUME_ID_UNUSED:
-		return "unused";
-	case VOLUME_ID_UNPROBED:
-		return "unprobed";
-	case VOLUME_ID_OTHER:
-		return "other";
-	case VOLUME_ID_PARTITIONTABLE:
-		return "partitiontable";
-	case VOLUME_ID_FILESYSTEM:
-		return "filesystem";
-	case VOLUME_ID_RAID:
-		return "raid";
-	default:
-		return "unknown type_id";
-	}
-}
-
 int main(int argc, char *argv[])
 {
 	const char help[] = "usage: udev_volume_id [-t|-l|-u|-d]\n"
@@ -111,7 +91,6 @@ int main(int argc, char *argv[])
 	char *devpath;
 	char probe = 'p';
 	char print = 'a';
-	char dasd_label[7];
 	static char name[VOLUME_ID_LABEL_SIZE];
 	int len, i, j;
 	unsigned long long size;
@@ -177,7 +156,7 @@ int main(int argc, char *argv[])
 		if (ioctl(vid->fd, BLKGETSIZE64, &size) != 0)
 			size = 0;
 
-		if (volume_id_probe(vid, VOLUME_ID_ALL, 0, size) == 0)
+		if (volume_id_probe_all(vid, 0, size) == 0)
 			goto print;
 		break;
 	case 'd' :
@@ -190,12 +169,8 @@ int main(int argc, char *argv[])
 		if (vid == NULL)
 			goto exit;
 
-		if (probe_ibm_partition(vid->fd, dasd_label) == 0) {
-			vid->type = "dasd";
-			strncpy(vid->label, dasd_label, 6);
-			vid->label[6] = '\0';
+		if (probe_ibm_partition(vid) == 0)
 			goto print;
-		}
 		break;
 	}
 
@@ -247,7 +222,7 @@ print:
 		printf("%s\n", vid->uuid);
 		break;
 	case 'a':
-		printf("F:%s\n", usage_id_name(vid->usage_id));
+		printf("F:%s\n", vid->usage);
 		printf("T:%s\n", vid->type);
 		printf("V:%s\n", vid->type_version);
 		printf("L:%s\n", vid->label);
diff --git a/extras/volume_id/volume_id.c b/extras/volume_id/volume_id.c
deleted file mode 100644
index 3bf7886aaa..0000000000
--- a/extras/volume_id/volume_id.c
+++ /dev/null
@@ -1,2305 +0,0 @@
-/*
- * volume_id - reads filesystem label and uuid
- *
- * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
- *
- *	The superblock structs are taken from the linux kernel sources
- *	and the libblkid living inside the e2fsprogs. This is a simple
- *	straightforward implementation for reading the label strings of the
- *	most common filesystems.
- *
- *	This library is free software; you can redistribute it and/or
- *	modify it under the terms of the GNU Lesser General Public
- *	License as published by the Free Software Foundation; either
- *	version 2.1 of the License, or (at your option) any later version.
- *
- *	This library 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
- *	Lesser General Public License for more details.
- *
- *	You should have received a copy of the GNU Lesser General Public
- *	License along with this library; if not, write to the Free Software
- *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE 1
-#endif
-
-#ifdef HAVE_CONFIG_H
-#  include <config.h>
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-#include <ctype.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <asm/types.h>
-
-#include "volume_id.h"
-#include "volume_id_logging.h"
-
-#define bswap16(x) (__u16)((((__u16)(x) & 0x00ffu) << 8) | \
-			   (((__u16)(x) & 0xff00u) >> 8))
-
-#define bswap32(x) (__u32)((((__u32)(x) & 0xff000000u) >> 24) | \
-			   (((__u32)(x) & 0x00ff0000u) >>  8) | \
-			   (((__u32)(x) & 0x0000ff00u) <<  8) | \
-			   (((__u32)(x) & 0x000000ffu) << 24))
-
-#define bswap64(x) (__u64)((((__u64)(x) & 0xff00000000000000ull) >> 56) | \
-			   (((__u64)(x) & 0x00ff000000000000ull) >> 40) | \
-			   (((__u64)(x) & 0x0000ff0000000000ull) >> 24) | \
-			   (((__u64)(x) & 0x000000ff00000000ull) >>  8) | \
-			   (((__u64)(x) & 0x00000000ff000000ull) <<  8) | \
-			   (((__u64)(x) & 0x0000000000ff0000ull) << 24) | \
-			   (((__u64)(x) & 0x000000000000ff00ull) << 40) | \
-			   (((__u64)(x) & 0x00000000000000ffull) << 56))
-
-#if (__BYTE_ORDER == __LITTLE_ENDIAN)
-#define le16_to_cpu(x) (x)
-#define le32_to_cpu(x) (x)
-#define le64_to_cpu(x) (x)
-#define be16_to_cpu(x) bswap16(x)
-#define be32_to_cpu(x) bswap32(x)
-#elif (__BYTE_ORDER == __BIG_ENDIAN)
-#define le16_to_cpu(x) bswap16(x)
-#define le32_to_cpu(x) bswap32(x)
-#define le64_to_cpu(x) bswap64(x)
-#define be16_to_cpu(x) (x)
-#define be32_to_cpu(x) (x)
-#endif
-
-/* size of superblock buffer, reiserfs block is at 64k */
-#define SB_BUFFER_SIZE				0x11000
-/* size of seek buffer 4k */
-#define SEEK_BUFFER_SIZE			0x10000
-
-
-static void set_label_raw(struct volume_id *id,
-			  const __u8 *buf, unsigned int count)
-{
-	memcpy(id->label_raw, buf, count);
-	id->label_raw_len = count;
-}
-
-static void set_label_string(struct volume_id *id,
-			     const __u8 *buf, unsigned int count)
-{
-	unsigned int i;
-
-	memcpy(id->label, buf, count);
-
-	/* remove trailing whitespace */
-	i = strnlen(id->label, count);
-	while (i--) {
-		if (! isspace(id->label[i]))
-			break;
-	}
-	id->label[i+1] = '\0';
-}
-
-#define LE		0
-#define BE		1
-static void set_label_unicode16(struct volume_id *id,
-				const __u8 *buf,
-				unsigned int endianess,
-				unsigned int count)
-{
-	unsigned int i, j;
-	__u16 c;
-
-	j = 0;
-	for (i = 0; i + 2 <= count; i += 2) {
-		if (endianess == LE)
-			c = (buf[i+1] << 8) | buf[i];
-		else
-			c = (buf[i] << 8) | buf[i+1];
-		if (c == 0) {
-			id->label[j] = '\0';
-			break;
-		} else if (c < 0x80) {
-			id->label[j++] = (__u8) c;
-		} else if (c < 0x800) {
-			id->label[j++] = (__u8) (0xc0 | (c >> 6));
-			id->label[j++] = (__u8) (0x80 | (c & 0x3f));
-		} else {
-			id->label[j++] = (__u8) (0xe0 | (c >> 12));
-			id->label[j++] = (__u8) (0x80 | ((c >> 6) & 0x3f));
-			id->label[j++] = (__u8) (0x80 | (c & 0x3f));
-		}
-	}
-}
-
-enum uuid_format {
-	UUID_DCE,
-	UUID_DOS,
-	UUID_NTFS,
-	UUID_HFS,
-};
-
-static void set_uuid(struct volume_id *id, const __u8 *buf, enum uuid_format format)
-{
-	unsigned int i;
-	unsigned int count = 0;
-
-	switch(format) {
-	case UUID_DOS:
-		count = 4;
-		break;
-	case UUID_NTFS:
-	case UUID_HFS:
-		count = 8;
-		break;
-	case UUID_DCE:
-		count = 16;
-	}
-	memcpy(id->uuid_raw, buf, count);
-
-	/* if set, create string in the same format, the native platform uses */
-	for (i = 0; i < count; i++)
-		if (buf[i] != 0)
-			goto set;
-	return;
-
-set:
-	switch(format) {
-	case UUID_DOS:
-		sprintf(id->uuid, "%02X%02X-%02X%02X",
-			buf[3], buf[2], buf[1], buf[0]);
-		break;
-	case UUID_NTFS:
-		sprintf(id->uuid,"%02X%02X%02X%02X%02X%02X%02X%02X",
-			buf[7], buf[6], buf[5], buf[4],
-			buf[3], buf[2], buf[1], buf[0]);
-		break;
-	case UUID_HFS:
-		sprintf(id->uuid,"%02X%02X%02X%02X%02X%02X%02X%02X",
-			buf[0], buf[1], buf[2], buf[3],
-			buf[4], buf[5], buf[6], buf[7]);
-		break;
-	case UUID_DCE:
-		sprintf(id->uuid,
-			"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
-			buf[0], buf[1], buf[2], buf[3],
-			buf[4], buf[5],
-			buf[6], buf[7],
-			buf[8], buf[9],
-			buf[10], buf[11], buf[12], buf[13], buf[14],buf[15]);
-		break;
-	}
-}
-
-static __u8 *get_buffer(struct volume_id *id, __u64 off, unsigned int len)
-{
-	unsigned int buf_len;
-
-	dbg("get buffer off 0x%llx, len 0x%x", off, len);
-	/* check if requested area fits in superblock buffer */
-	if (off + len <= SB_BUFFER_SIZE) {
-		if (id->sbbuf == NULL) {
-			id->sbbuf = malloc(SB_BUFFER_SIZE);
-			if (id->sbbuf == NULL)
-				return NULL;
-		}
-
-		/* check if we need to read */
-		if ((off + len) > id->sbbuf_len) {
-			dbg("read sbbuf len:0x%llx", off + len);
-			lseek(id->fd, 0, SEEK_SET);
-			buf_len = read(id->fd, id->sbbuf, off + len);
-			dbg("got 0x%x (%i) bytes", buf_len, buf_len);
-			id->sbbuf_len = buf_len;
-			if (buf_len < off + len)
-				return NULL;
-		}
-
-		return &(id->sbbuf[off]);
-	} else {
-		if (len > SEEK_BUFFER_SIZE) {
-			dbg("seek buffer too small %d", SEEK_BUFFER_SIZE);
-			return NULL;
-		}
-
-		/* get seek buffer */
-		if (id->seekbuf == NULL) {
-			id->seekbuf = malloc(SEEK_BUFFER_SIZE);
-			if (id->seekbuf == NULL)
-				return NULL;
-		}
-
-		/* check if we need to read */
-		if ((off < id->seekbuf_off) || ((off + len) > (id->seekbuf_off + id->seekbuf_len))) {
-			dbg("read seekbuf off:0x%llx len:0x%x", off, len);
-			if (lseek(id->fd, off, SEEK_SET) == -1)
-				return NULL;
-			buf_len = read(id->fd, id->seekbuf, len);
-			dbg("got 0x%x (%i) bytes", buf_len, buf_len);
-			id->seekbuf_off = off;
-			id->seekbuf_len = buf_len;
-			if (buf_len < len) {
-				dbg("requested 0x%x bytes, got only 0x%x bytes", len, buf_len);
-				return NULL;
-			}
-		}
-
-		return &(id->seekbuf[off - id->seekbuf_off]);
-	}
-}
-
-static void free_buffer(struct volume_id *id)
-{
-	if (id->sbbuf != NULL) {
-		free(id->sbbuf);
-		id->sbbuf = NULL;
-		id->sbbuf_len = 0;
-	}
-	if (id->seekbuf != NULL) {
-		free(id->seekbuf);
-		id->seekbuf = NULL;
-		id->seekbuf_len = 0;
-	}
-}
-
-#define HPT37X_CONFIG_OFF		0x1200
-#define HPT37X_MAGIC_OK			0x5a7816f0
-#define HPT37X_MAGIC_BAD		0x5a7816fd
-static int probe_highpoint_ataraid(struct volume_id *id, __u64 off)
-{
-	struct hpt37x {
-		__u8	filler1[32];
-		__u32	magic;
-		__u32	magic_0;
-		__u32	magic_1;
-	} __attribute__((packed)) *hpt;
-
-	const __u8 *buf;
-
-	buf = get_buffer(id, off + HPT37X_CONFIG_OFF, 0x200);
-	if (buf == NULL)
-		return -1;
-
-	hpt = (struct hpt37x *) buf;
-
-	if (hpt->magic != HPT37X_MAGIC_OK && hpt->magic != HPT37X_MAGIC_BAD)
-		return -1;
-
-	id->usage_id = VOLUME_ID_RAID;
-	id->type_id = VOLUME_ID_HPTRAID;
-	id->type = "hpt_ataraid_member";
-
-	return 0;
-}
-
-#define LVM1_SB_OFF			0x400
-#define LVM1_MAGIC			"HM"
-static int probe_lvm1(struct volume_id *id, __u64 off)
-{
-	struct lvm2_super_block {
-		__u8	id[2];
-	} __attribute__((packed)) *lvm;
-
-	const __u8 *buf;
-
-	buf = get_buffer(id, off + LVM1_SB_OFF, 0x800);
-	if (buf == NULL)
-		return -1;
-
-	lvm = (struct lvm2_super_block *) buf;
-
-	if (strncmp(lvm->id, LVM1_MAGIC, 2) != 0)
-		return -1;
-
-	id->usage_id = VOLUME_ID_RAID;
-	id->type_id = VOLUME_ID_LVM1;
-	id->type = "LVM1_member";
-
-	return 0;
-}
-
-#define LVM2_LABEL_ID			"LABELONE"
-#define LVM2LABEL_SCAN_SECTORS		4
-static int probe_lvm2(struct volume_id *id, __u64 off)
-{
-	struct lvm2_super_block {
-		__u8	id[8];
-		__u64	sector_xl;
-		__u32	crc_xl;
-		__u32	offset_xl;
-		__u8	type[8];
-	} __attribute__((packed)) *lvm;
-
-	const __u8 *buf;
-	unsigned int soff;
-
-	buf = get_buffer(id, off, LVM2LABEL_SCAN_SECTORS * 0x200);
-	if (buf == NULL)
-		return -1;
-
-
-	for (soff = 0; soff < LVM2LABEL_SCAN_SECTORS * 0x200; soff += 0x200) {
-		lvm = (struct lvm2_super_block *) &buf[soff];
-
-		if (strncmp(lvm->id, LVM2_LABEL_ID, 8) == 0)
-			goto found;
-	}
-
-	return -1;
-
-found:
-	strncpy(id->type_version, lvm->type, 8);
-	id->usage_id = VOLUME_ID_RAID;
-	id->type_id = VOLUME_ID_LVM2;
-	id->type = "LVM2_member";
-
-	return 0;
-}
-
-#define MD_RESERVED_BYTES		0x10000
-#define MD_MAGIC			0xa92b4efc
-static int probe_linux_raid(struct volume_id *id, __u64 off, __u64 size)
-{
-	struct mdp_super_block {
-		__u32	md_magic;
-		__u32	major_version;
-		__u32	minor_version;
-		__u32	patch_version;
-		__u32	gvalid_words;
-		__u32	set_uuid0;
-		__u32	ctime;
-		__u32	level;
-		__u32	size;
-		__u32	nr_disks;
-		__u32	raid_disks;
-		__u32	md_minor;
-		__u32	not_persistent;
-		__u32	set_uuid1;
-		__u32	set_uuid2;
-		__u32	set_uuid3;
-	} __attribute__((packed)) *mdp;
-
-	const __u8 *buf;
-	__u64 sboff;
-	__u8 uuid[16];
-
-	if (size < 0x10000)
-		return -1;
-
-	sboff = (size & ~(MD_RESERVED_BYTES - 1)) - MD_RESERVED_BYTES;
-	buf = get_buffer(id, off + sboff, 0x800);
-	if (buf == NULL)
-		return -1;
-
-	mdp = (struct mdp_super_block *) buf;
-
-	if (le32_to_cpu(mdp->md_magic) != MD_MAGIC)
-		return -1;
-
-	memcpy(uuid, &mdp->set_uuid0, 4);
-	memcpy(&uuid[4], &mdp->set_uuid1, 12);
-	set_uuid(id, uuid, UUID_DCE);
-
-	snprintf(id->type_version, VOLUME_ID_FORMAT_SIZE-1, "%u.%u.%u",
-		 le32_to_cpu(mdp->major_version),
-		 le32_to_cpu(mdp->minor_version),
-		 le32_to_cpu(mdp->patch_version));
-
-	dbg("found raid signature");
-	id->usage_id = VOLUME_ID_RAID;
-	id->type = "linux_raid_member";
-
-	return 0;
-}
-
-#define MSDOS_MAGIC			"\x55\xaa"
-#define MSDOS_PARTTABLE_OFFSET		0x1be
-#define MSDOS_SIG_OFF			0x1fe
-#define BSIZE				0x200
-#define DOS_EXTENDED_PARTITION		0x05
-#define LINUX_EXTENDED_PARTITION	0x85
-#define WIN98_EXTENDED_PARTITION	0x0f
-#define LINUX_RAID_PARTITION		0xfd
-#define is_extended(type) \
-	(type == DOS_EXTENDED_PARTITION ||	\
-	 type == WIN98_EXTENDED_PARTITION ||	\
-	 type == LINUX_EXTENDED_PARTITION)
-#define is_raid(type) \
-	(type == LINUX_RAID_PARTITION)
-static int probe_msdos_part_table(struct volume_id *id, __u64 off)
-{
-	struct msdos_partition_entry {
-		__u8	boot_ind;
-		__u8	head;
-		__u8	sector;
-		__u8	cyl;
-		__u8	sys_ind;
-		__u8	end_head;
-		__u8	end_sector;
-		__u8	end_cyl;
-		__u32	start_sect;
-		__u32	nr_sects;
-	} __attribute__((packed)) *part;
-
-	const __u8 *buf;
-	int i;
-	__u64 poff;
-	__u64 plen;
-	__u64 extended = 0;
-	__u64 current;
-	__u64 next;
-	int limit;
-	int empty = 1;
-	struct volume_id_partition *p;
-
-	buf = get_buffer(id, off, 0x200);
-	if (buf == NULL)
-		return -1;
-
-	if (strncmp(&buf[MSDOS_SIG_OFF], MSDOS_MAGIC, 2) != 0)
-		return -1;
-
-	/* check flags on all entries for a valid partition table */
-	part = (struct msdos_partition_entry*) &buf[MSDOS_PARTTABLE_OFFSET];
-	for (i = 0; i < 4; i++) {
-		if (part[i].boot_ind != 0 &&
-		    part[i].boot_ind != 0x80)
-			return -1;
-
-		if (le32_to_cpu(part[i].nr_sects) != 0)
-			empty = 0;
-	}
-	if (empty == 1)
-		return -1;
-
-	if (id->partitions != NULL)
-		free(id->partitions);
-	id->partitions = malloc(VOLUME_ID_PARTITIONS_MAX *
-				sizeof(struct volume_id_partition));
-	if (id->partitions == NULL)
-		return -1;
-	memset(id->partitions, 0x00,
-	       VOLUME_ID_PARTITIONS_MAX * sizeof(struct volume_id_partition));
-
-	for (i = 0; i < 4; i++) {
-		poff = (__u64) le32_to_cpu(part[i].start_sect) * BSIZE;
-		plen = (__u64) le32_to_cpu(part[i].nr_sects) * BSIZE;
-
-		if (plen == 0)
-			continue;
-
-		p = &id->partitions[i];
-
-		p->partition_type_raw = part[i].sys_ind;
-
-		if (is_extended(part[i].sys_ind)) {
-			dbg("found extended partition at 0x%llx", poff);
-			p->usage_id = VOLUME_ID_PARTITIONTABLE;
-			p->type_id = VOLUME_ID_MSDOSEXTENDED;
-			p->type = "msdos_extended_partition";
-			if (extended == 0)
-				extended = off + poff;
-		} else {
-			dbg("found 0x%x data partition at 0x%llx, len 0x%llx",
-			    part[i].sys_ind, poff, plen);
-
-			if (is_raid(part[i].sys_ind))
-				p->usage_id = VOLUME_ID_RAID;
-			else
-				p->usage_id = VOLUME_ID_UNPROBED;
-		}
-
-		p->off = off + poff;
-		p->len = plen;
-		id->partition_count = i+1;
-	}
-
-	next = extended;
-	current = extended;
-	limit = 50;
-
-	/* follow extended partition chain and add data partitions */
-	while (next != 0) {
-		if (limit-- == 0) {
-			dbg("extended chain limit reached");
-			break;
-		}
-
-		buf = get_buffer(id, current, 0x200);
-		if (buf == NULL)
-			break;
-
-		part = (struct msdos_partition_entry*) &buf[MSDOS_PARTTABLE_OFFSET];
-
-		if (strncmp(&buf[MSDOS_SIG_OFF], MSDOS_MAGIC, 2) != 0)
-			break;
-
-		next = 0;
-
-		for (i = 0; i < 4; i++) {
-			poff = (__u64) le32_to_cpu(part[i].start_sect) * BSIZE;
-			plen = (__u64) le32_to_cpu(part[i].nr_sects) * BSIZE;
-
-			if (plen == 0)
-				continue;
-
-			if (is_extended(part[i].sys_ind)) {
-				dbg("found extended partition at 0x%llx", poff);
-				if (next == 0)
-					next = extended + poff;
-			} else {
-				dbg("found 0x%x data partition at 0x%llx, len 0x%llx",
-					part[i].sys_ind, poff, plen);
-
-				/* we always start at the 5th entry */
-				while (id->partition_count < 4)
-					id->partitions[id->partition_count++].usage_id =
-						VOLUME_ID_UNUSED;
-
-				p = &id->partitions[id->partition_count];
-
-				if (is_raid(part[i].sys_ind))
-					p->usage_id = VOLUME_ID_RAID;
-				else
-					p->usage_id = VOLUME_ID_UNPROBED;
-
-				p->off = current + poff;
-				p->len = plen;
-				id->partition_count++;
-
-				p->partition_type_raw = part[i].sys_ind;
-
-				if (id->partition_count >= VOLUME_ID_PARTITIONS_MAX) {
-					dbg("too many partitions");
-					next = 0;
-				}
-			}
-		}
-
-		current = next;
-	}
-
-	id->usage_id = VOLUME_ID_PARTITIONTABLE;
-	id->type_id = VOLUME_ID_MSDOSPARTTABLE;
-	id->type = "msdos_partition_table";
-
-	return 0;
-}
-
-#define EXT3_FEATURE_COMPAT_HAS_JOURNAL		0x00000004
-#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV	0x00000008
-#define EXT_SUPERBLOCK_OFFSET			0x400
-static int probe_ext(struct volume_id *id, __u64 off)
-{
-	struct ext2_super_block {
-		__u32	inodes_count;
-		__u32	blocks_count;
-		__u32	r_blocks_count;
-		__u32	free_blocks_count;
-		__u32	free_inodes_count;
-		__u32	first_data_block;
-		__u32	log_block_size;
-		__u32	dummy3[7];
-		__u8	magic[2];
-		__u16	state;
-		__u32	dummy5[8];
-		__u32	feature_compat;
-		__u32	feature_incompat;
-		__u32	feature_ro_compat;
-		__u8	uuid[16];
-		__u8	volume_name[16];
-	} __attribute__((__packed__)) *es;
-
-	es = (struct ext2_super_block *)
-	     get_buffer(id, off + EXT_SUPERBLOCK_OFFSET, 0x200);
-	if (es == NULL)
-		return -1;
-
-	if (es->magic[0] != 0123 ||
-	    es->magic[1] != 0357)
-		return -1;
-
-	set_label_raw(id, es->volume_name, 16);
-	set_label_string(id, es->volume_name, 16);
-	set_uuid(id, es->uuid, UUID_DCE);
-
-	if ((le32_to_cpu(es->feature_compat) &
-	     EXT3_FEATURE_COMPAT_HAS_JOURNAL) != 0) {
-		id->usage_id = VOLUME_ID_FILESYSTEM;
-		id->type_id = VOLUME_ID_EXT3;
-		id->type = "ext3";
-	} else {
-		id->usage_id = VOLUME_ID_FILESYSTEM;
-		id->type_id = VOLUME_ID_EXT2;
-		id->type = "ext2";
-	}
-
-	return 0;
-}
-
-#define REISERFS1_SUPERBLOCK_OFFSET		0x2000
-#define REISERFS_SUPERBLOCK_OFFSET		0x10000
-static int probe_reiserfs(struct volume_id *id, __u64 off)
-{
-	struct reiserfs_super_block {
-		__u32	blocks_count;
-		__u32	free_blocks;
-		__u32	root_block;
-		__u32	journal_block;
-		__u32	journal_dev;
-		__u32	orig_journal_size;
-		__u32	dummy2[5];
-		__u16	blocksize;
-		__u16	dummy3[3];
-		__u8	magic[12];
-		__u32	dummy4[5];
-		__u8	uuid[16];
-		__u8	label[16];
-	} __attribute__((__packed__)) *rs;
-
-	rs = (struct reiserfs_super_block *)
-	     get_buffer(id, off + REISERFS_SUPERBLOCK_OFFSET, 0x200);
-	if (rs == NULL)
-		return -1;
-
-	if (strncmp(rs->magic, "ReIsEr2Fs", 9) == 0) {
-		strcpy(id->type_version, "3.6");
-		goto found;
-	}
-
-	if (strncmp(rs->magic, "ReIsEr3Fs", 9) == 0) {
-		strcpy(id->type_version, "JR");
-		goto found;
-	}
-
-	rs = (struct reiserfs_super_block *)
-	     get_buffer(id, off + REISERFS1_SUPERBLOCK_OFFSET, 0x200);
-	if (rs == NULL)
-		return -1;
-
-	if (strncmp(rs->magic, "ReIsErFs", 8) == 0) {
-		strcpy(id->type_version, "3.5");
-		goto found;
-	}
-
-	return -1;
-
-found:
-	set_label_raw(id, rs->label, 16);
-	set_label_string(id, rs->label, 16);
-	set_uuid(id, rs->uuid, UUID_DCE);
-
-	id->usage_id = VOLUME_ID_FILESYSTEM;
-	id->type_id = VOLUME_ID_REISERFS;
-	id->type = "reiserfs";
-
-	return 0;
-}
-
-static int probe_xfs(struct volume_id *id, __u64 off)
-{
-	struct xfs_super_block {
-		__u8	magic[4];
-		__u32	blocksize;
-		__u64	dblocks;
-		__u64	rblocks;
-		__u32	dummy1[2];
-		__u8	uuid[16];
-		__u32	dummy2[15];
-		__u8	fname[12];
-		__u32	dummy3[2];
-		__u64	icount;
-		__u64	ifree;
-		__u64	fdblocks;
-	} __attribute__((__packed__)) *xs;
-
-	xs = (struct xfs_super_block *) get_buffer(id, off, 0x200);
-	if (xs == NULL)
-		return -1;
-
-	if (strncmp(xs->magic, "XFSB", 4) != 0)
-		return -1;
-
-	set_label_raw(id, xs->fname, 12);
-	set_label_string(id, xs->fname, 12);
-	set_uuid(id, xs->uuid, UUID_DCE);
-
-	id->usage_id = VOLUME_ID_FILESYSTEM;
-	id->type_id = VOLUME_ID_XFS;
-	id->type = "xfs";
-
-	return 0;
-}
-
-#define JFS_SUPERBLOCK_OFFSET			0x8000
-static int probe_jfs(struct volume_id *id, __u64 off)
-{
-	struct jfs_super_block {
-		__u8	magic[4];
-		__u32	version;
-		__u64	size;
-		__u32	bsize;
-		__u32	dummy1;
-		__u32	pbsize;
-		__u32	dummy2[27];
-		__u8	uuid[16];
-		__u8	label[16];
-		__u8	loguuid[16];
-	} __attribute__((__packed__)) *js;
-
-	js = (struct jfs_super_block *)
-	     get_buffer(id, off + JFS_SUPERBLOCK_OFFSET, 0x200);
-	if (js == NULL)
-		return -1;
-
-	if (strncmp(js->magic, "JFS1", 4) != 0)
-		return -1;
-
-	set_label_raw(id, js->label, 16);
-	set_label_string(id, js->label, 16);
-	set_uuid(id, js->uuid, UUID_DCE);
-
-	id->usage_id = VOLUME_ID_FILESYSTEM;
-	id->type_id = VOLUME_ID_JFS;
-	id->type = "jfs";
-
-	return 0;
-}
-
-#define FAT12_MAX			0xff5
-#define FAT16_MAX			0xfff5
-#define FAT_ATTR_VOLUME_ID		0x08
-#define FAT_ATTR_DIR			0x10
-#define FAT_ATTR_LONG_NAME		0x0f
-#define FAT_ATTR_MASK			0x3f
-#define FAT_ENTRY_FREE			0xe5
-static int probe_vfat(struct volume_id *id, __u64 off)
-{
-	struct vfat_super_block {
-		__u8	boot_jump[3];
-		__u8	sysid[8];
-		__u16	sector_size;
-		__u8	sectors_per_cluster;
-		__u16	reserved;
-		__u8	fats;
-		__u16	dir_entries;
-		__u16	sectors;
-		__u8	media;
-		__u16	fat_length;
-		__u16	secs_track;
-		__u16	heads;
-		__u32	hidden;
-		__u32	total_sect;
-		union {
-			struct fat_super_block {
-				__u8	unknown[3];
-				__u8	serno[4];
-				__u8	label[11];
-				__u8	magic[8];
-				__u8	dummy2[192];
-				__u8	pmagic[2];
-			} __attribute__((__packed__)) fat;
-			struct fat32_super_block {
-				__u32	fat32_length;
-				__u16	flags;
-				__u8	version[2];
-				__u32	root_cluster;
-				__u16	insfo_sector;
-				__u16	backup_boot;
-				__u16	reserved2[6];
-				__u8	unknown[3];
-				__u8	serno[4];
-				__u8	label[11];
-				__u8	magic[8];
-				__u8	dummy2[164];
-				__u8	pmagic[2];
-			} __attribute__((__packed__)) fat32;
-		} __attribute__((__packed__)) type;
-	} __attribute__((__packed__)) *vs;
-
-	struct vfat_dir_entry {
-		__u8	name[11];
-		__u8	attr;
-		__u16	time_creat;
-		__u16	date_creat;
-		__u16	time_acc;
-		__u16	date_acc;
-		__u16	cluster_high;
-		__u16	time_write;
-		__u16	date_write;
-		__u16	cluster_low;
-		__u32	size;
-	} __attribute__((__packed__)) *dir;
-
-	__u16 sector_size;
-	__u16 dir_entries;
-	__u32 sect_count;
-	__u16 reserved;
-	__u32 fat_size;
-	__u32 root_cluster;
-	__u32 dir_size;
-	__u32 cluster_count;
-	__u32 fat_length;
-	__u64 root_start;
-	__u32 start_data_sect;
-	__u16 root_dir_entries;
-	__u8 *buf;
-	__u32 buf_size;
-	__u8 *label = NULL;
-	__u32 next;
-	int maxloop;
-	int i;
-
-	vs = (struct vfat_super_block *) get_buffer(id, off, 0x200);
-	if (vs == NULL)
-		return -1;
-
-	/* believe only that's fat, don't trust the version
-	 * the cluster_count will tell us
-	 */
-	if (strncmp(vs->sysid, "NTFS", 4) == 0)
-		return -1;
-
-	if (strncmp(vs->type.fat32.magic, "MSWIN", 5) == 0)
-		goto valid;
-
-	if (strncmp(vs->type.fat32.magic, "FAT32   ", 8) == 0)
-		goto valid;
-
-	if (strncmp(vs->type.fat.magic, "FAT16   ", 8) == 0)
-		goto valid;
-
-	if (strncmp(vs->type.fat.magic, "MSDOS", 5) == 0)
-		goto valid;
-
-	if (strncmp(vs->type.fat.magic, "FAT12   ", 8) == 0)
-		goto valid;
-
-	/*
-	 * There are old floppies out there without a magic, so we check
-	 * for well known values and guess if it's a fat volume
-	 */
-
-	/* boot jump address check */
-	if ((vs->boot_jump[0] != 0xeb || vs->boot_jump[2] != 0x90) &&
-	     vs->boot_jump[0] != 0xe9)
-		return -1;
-
-	/* heads check */
-	if (vs->heads == 0)
-		return -1;
-
-	/* cluster size check*/	
-	if (vs->sectors_per_cluster == 0 ||
-	    (vs->sectors_per_cluster & (vs->sectors_per_cluster-1)))
-		return -1;
-
-	/* media check */
-	if (vs->media < 0xf8 && vs->media != 0xf0)
-		return -1;
-
-	/* fat count*/
-	if (vs->fats != 2)
-		return -1;
-
-valid:
-	/* sector size check */
-	sector_size = le16_to_cpu(vs->sector_size);
-	if (sector_size != 0x200 && sector_size != 0x400 &&
-	    sector_size != 0x800 && sector_size != 0x1000)
-		return -1;
-
-	dbg("sector_size 0x%x", sector_size);
-	dbg("sectors_per_cluster 0x%x", vs->sectors_per_cluster);
-
-	dir_entries = le16_to_cpu(vs->dir_entries);
-	reserved = le16_to_cpu(vs->reserved);
-	dbg("reserved 0x%x", reserved);
-
-	sect_count = le16_to_cpu(vs->sectors);
-	if (sect_count == 0)
-		sect_count = le32_to_cpu(vs->total_sect);
-	dbg("sect_count 0x%x", sect_count);
-
-	fat_length = le16_to_cpu(vs->fat_length);
-	if (fat_length == 0)
-		fat_length = le32_to_cpu(vs->type.fat32.fat32_length);
-	dbg("fat_length 0x%x", fat_length);
-
-	fat_size = fat_length * vs->fats;
-	dir_size = ((dir_entries * sizeof(struct vfat_dir_entry)) +
-			(sector_size-1)) / sector_size;
-	dbg("dir_size 0x%x", dir_size);
-
-	cluster_count = sect_count - (reserved + fat_size + dir_size);
-	cluster_count /= vs->sectors_per_cluster;
-	dbg("cluster_count 0x%x", cluster_count);
-
-	if (cluster_count < FAT12_MAX) {
-		strcpy(id->type_version, "FAT12");
-	} else if (cluster_count < FAT16_MAX) {
-		strcpy(id->type_version, "FAT16");
-	} else {
-		strcpy(id->type_version, "FAT32");
-		goto fat32;
-	}
-
-	/* the label may be an attribute in the root directory */
-	root_start = (reserved + fat_size) * sector_size;
-	dbg("root dir start 0x%llx", root_start);
-	root_dir_entries = le16_to_cpu(vs->dir_entries);
-	dbg("expected entries 0x%x", root_dir_entries);
-
-	buf_size = root_dir_entries * sizeof(struct vfat_dir_entry);
-	buf = get_buffer(id, off + root_start, buf_size);
-	if (buf == NULL)
-		goto found;
-
-	dir = (struct vfat_dir_entry*) buf;
-
-	for (i = 0; i < root_dir_entries; i++) {
-		/* end marker */
-		if (dir[i].name[0] == 0x00) {
-			dbg("end of dir");
-			break;
-		}
-
-		/* empty entry */
-		if (dir[i].name[0] == FAT_ENTRY_FREE)
-			continue;
-
-		/* long name */
-		if ((dir[i].attr & FAT_ATTR_MASK) == FAT_ATTR_LONG_NAME)
-			continue;
-
-		if ((dir[i].attr & (FAT_ATTR_VOLUME_ID | FAT_ATTR_DIR)) == FAT_ATTR_VOLUME_ID) {
-			/* labels do not have file data */
-			if (dir[i].cluster_high != 0 || dir[i].cluster_low != 0)
-				continue;
-
-			dbg("found ATTR_VOLUME_ID id in root dir");
-			label = dir[i].name;
-			break;
-		}
-
-		dbg("skip dir entry");
-	}
-
-	vs = (struct vfat_super_block *) get_buffer(id, off, 0x200);
-	if (vs == NULL)
-		return -1;
-
-	if (label != NULL && strncmp(label, "NO NAME    ", 11) != 0) {
-		set_label_raw(id, label, 11);
-		set_label_string(id, label, 11);
-	} else if (strncmp(vs->type.fat.label, "NO NAME    ", 11) != 0) {
-		set_label_raw(id, vs->type.fat.label, 11);
-		set_label_string(id, vs->type.fat.label, 11);
-	}
-	set_uuid(id, vs->type.fat.serno, UUID_DOS);
-	goto found;
-
-fat32:
-	/* FAT32 root dir is a cluster chain like any other directory */
-	buf_size = vs->sectors_per_cluster * sector_size;
-	root_cluster = le32_to_cpu(vs->type.fat32.root_cluster);
-	dbg("root dir cluster %u", root_cluster);
-	start_data_sect = reserved + fat_size;
-
-	next = root_cluster;
-	maxloop = 100;
-	while (--maxloop) {
-		__u32 next_sect_off;
-		__u64 next_off;
-		__u64 fat_entry_off;
-		int count;
-
-		dbg("next cluster %u", next);
-		next_sect_off = (next - 2) * vs->sectors_per_cluster;
-		next_off = (start_data_sect + next_sect_off) * sector_size;
-		dbg("cluster offset 0x%llx", next_off);
-
-		/* get cluster */
-		buf = get_buffer(id, off + next_off, buf_size);
-		if (buf == NULL)
-			goto found;
-
-		dir = (struct vfat_dir_entry*) buf;
-		count = buf_size / sizeof(struct vfat_dir_entry);
-		dbg("expected entries 0x%x", count);
-
-		for (i = 0; i < count; i++) {
-			/* end marker */
-			if (dir[i].name[0] == 0x00) {
-				dbg("end of dir");
-				goto fat32_label;
-			}
-
-			/* empty entry */
-			if (dir[i].name[0] == FAT_ENTRY_FREE)
-				continue;
-
-			/* long name */
-			if ((dir[i].attr & FAT_ATTR_MASK) == FAT_ATTR_LONG_NAME)
-				continue;
-
-			if ((dir[i].attr & (FAT_ATTR_VOLUME_ID | FAT_ATTR_DIR)) == FAT_ATTR_VOLUME_ID) {
-				/* labels do not have file data */
-				if (dir[i].cluster_high != 0 || dir[i].cluster_low != 0)
-					continue;
-
-				dbg("found ATTR_VOLUME_ID id in root dir");
-				label = dir[i].name;
-				goto fat32_label;
-			}
-
-			dbg("skip dir entry");
-		}
-
-		/* get FAT entry */
-		fat_entry_off = (reserved * sector_size) + (next * sizeof(__u32));
-		buf = get_buffer(id, off + fat_entry_off, buf_size);
-		if (buf == NULL)
-			goto found;
-
-		/* set next cluster */
-		next = le32_to_cpu(*((__u32 *) buf) & 0x0fffffff);
-		if (next == 0)
-			break;
-	}
-	if (maxloop == 0)
-		dbg("reached maximum follow count of root cluster chain, give up");
-
-fat32_label:
-	vs = (struct vfat_super_block *) get_buffer(id, off, 0x200);
-	if (vs == NULL)
-		return -1;
-
-	if (label != NULL && strncmp(label, "NO NAME    ", 11) != 0) {
-		set_label_raw(id, label, 11);
-		set_label_string(id, label, 11);
-	} else if (strncmp(vs->type.fat32.label, "NO NAME    ", 11) != 0) {
-		set_label_raw(id, vs->type.fat32.label, 11);
-		set_label_string(id, vs->type.fat32.label, 11);
-	}
-	set_uuid(id, vs->type.fat32.serno, UUID_DOS);
-
-found:
-	id->usage_id = VOLUME_ID_FILESYSTEM;
-	id->type_id = VOLUME_ID_VFAT;
-	id->type = "vfat";
-
-	return 0;
-}
-
-#define UDF_VSD_OFFSET			0x8000
-static int probe_udf(struct volume_id *id, __u64 off)
-{
-	struct volume_descriptor {
-		struct descriptor_tag {
-			__u16	id;
-			__u16	version;
-			__u8	checksum;
-			__u8	reserved;
-			__u16	serial;
-			__u16	crc;
-			__u16	crc_len;
-			__u32	location;
-		} __attribute__((__packed__)) tag;
-		union {
-			struct anchor_descriptor {
-				__u32	length;
-				__u32	location;
-			} __attribute__((__packed__)) anchor;
-			struct primary_descriptor {
-				__u32	seq_num;
-				__u32	desc_num;
-				struct dstring {
-					__u8	clen;
-					__u8	c[31];
-				} __attribute__((__packed__)) ident;
-			} __attribute__((__packed__)) primary;
-		} __attribute__((__packed__)) type;
-	} __attribute__((__packed__)) *vd;
-
-	struct volume_structure_descriptor {
-		__u8	type;
-		__u8	id[5];
-		__u8	version;
-	} *vsd;
-
-	unsigned int bs;
-	unsigned int b;
-	unsigned int type;
-	unsigned int count;
-	unsigned int loc;
-	unsigned int clen;
-
-	vsd = (struct volume_structure_descriptor *)
-	      get_buffer(id, off + UDF_VSD_OFFSET, 0x200);
-	if (vsd == NULL)
-		return -1;
-
-	if (strncmp(vsd->id, "NSR02", 5) == 0)
-		goto blocksize;
-	if (strncmp(vsd->id, "NSR03", 5) == 0)
-		goto blocksize;
-	if (strncmp(vsd->id, "BEA01", 5) == 0)
-		goto blocksize;
-	if (strncmp(vsd->id, "BOOT2", 5) == 0)
-		goto blocksize;
-	if (strncmp(vsd->id, "CD001", 5) == 0)
-		goto blocksize;
-	if (strncmp(vsd->id, "CDW02", 5) == 0)
-		goto blocksize;
-	if (strncmp(vsd->id, "TEA03", 5) == 0)
-		goto blocksize;
-	return -1;
-
-blocksize:
-	/* search the next VSD to get the logical block size of the volume */
-	for (bs = 0x800; bs < 0x8000; bs += 0x800) {
-		vsd = (struct volume_structure_descriptor *)
-		      get_buffer(id, off + UDF_VSD_OFFSET + bs, 0x800);
-		if (vsd == NULL)
-			return -1;
-		dbg("test for blocksize: 0x%x", bs);
-		if (vsd->id[0] != '\0')
-			goto nsr;
-	}
-	return -1;
-
-nsr:
-	/* search the list of VSDs for a NSR descriptor */
-	for (b = 0; b < 64; b++) {
-		vsd = (struct volume_structure_descriptor *)
-		      get_buffer(id, off + UDF_VSD_OFFSET + (b * bs), 0x800);
-		if (vsd == NULL)
-			return -1;
-
-		dbg("vsd: %c%c%c%c%c",
-		    vsd->id[0], vsd->id[1], vsd->id[2], vsd->id[3], vsd->id[4]);
-
-		if (vsd->id[0] == '\0')
-			return -1;
-		if (strncmp(vsd->id, "NSR02", 5) == 0)
-			goto anchor;
-		if (strncmp(vsd->id, "NSR03", 5) == 0)
-			goto anchor;
-	}
-	return -1;
-
-anchor:
-	/* read anchor volume descriptor */
-	vd = (struct volume_descriptor *)
-		get_buffer(id, off + (256 * bs), 0x200);
-	if (vd == NULL)
-		return -1;
-
-	type = le16_to_cpu(vd->tag.id);
-	if (type != 2) /* TAG_ID_AVDP */
-		goto found;
-
-	/* get desriptor list address and block count */
-	count = le32_to_cpu(vd->type.anchor.length) / bs;
-	loc = le32_to_cpu(vd->type.anchor.location);
-	dbg("0x%x descriptors starting at logical secor 0x%x", count, loc);
-
-	/* pick the primary descriptor from the list */
-	for (b = 0; b < count; b++) {
-		vd = (struct volume_descriptor *)
-		     get_buffer(id, off + ((loc + b) * bs), 0x200);
-		if (vd == NULL)
-			return -1;
-
-		type = le16_to_cpu(vd->tag.id);
-		dbg("descriptor type %i", type);
-
-		/* check validity */
-		if (type == 0)
-			goto found;
-		if (le32_to_cpu(vd->tag.location) != loc + b)
-			goto found;
-
-		if (type == 1) /* TAG_ID_PVD */
-			goto pvd;
-	}
-	goto found;
-
-pvd:
-	set_label_raw(id, &(vd->type.primary.ident.clen), 32);
-
-	clen = vd->type.primary.ident.clen;
-	dbg("label string charsize=%i bit", clen);
-	if (clen == 8)
-		set_label_string(id, vd->type.primary.ident.c, 31);
-	else if (clen == 16)
-		set_label_unicode16(id, vd->type.primary.ident.c, BE,31);
-
-found:
-	id->usage_id = VOLUME_ID_FILESYSTEM;
-	id->type_id = VOLUME_ID_UDF;
-	id->type = "udf";
-
-	return 0;
-}
-
-#define ISO_SUPERBLOCK_OFFSET		0x8000
-#define ISO_SECTOR_SIZE			0x800
-#define ISO_VD_OFFSET			(ISO_SUPERBLOCK_OFFSET + ISO_SECTOR_SIZE)
-#define ISO_VD_PRIMARY			0x1
-#define ISO_VD_SUPPLEMENTARY		0x2
-#define ISO_VD_END			0xff
-#define ISO_VD_MAX			16
-static int probe_iso9660(struct volume_id *id, __u64 off)
-{
-	union iso_super_block {
-		struct iso_header {
-			__u8	type;
-			__u8	id[5];
-			__u8	version;
-			__u8	unused1;
-			__u8		system_id[32];
-			__u8		volume_id[32];
-		} __attribute__((__packed__)) iso;
-		struct hs_header {
-			__u8	foo[8];
-			__u8	type;
-			__u8	id[4];
-			__u8	version;
-		} __attribute__((__packed__)) hs;
-	} __attribute__((__packed__)) *is;
-
-	is = (union iso_super_block *)
-	     get_buffer(id, off + ISO_SUPERBLOCK_OFFSET, 0x200);
-	if (is == NULL)
-		return -1;
-
-	if (strncmp(is->iso.id, "CD001", 5) == 0) {
-		char root_label[VOLUME_ID_LABEL_SIZE+1];
-		int vd_offset;
-		int i;
-		int found_svd;
-
-		memset(root_label, 0, sizeof(root_label));
-		strncpy(root_label, is->iso.volume_id, sizeof(root_label)-1);
-
-		found_svd = 0;
-		vd_offset = ISO_VD_OFFSET;
-		for (i = 0; i < ISO_VD_MAX; i++) {
-			is = (union iso_super_block *) 
-			     get_buffer (id, off + vd_offset, 0x200);
-			if (is == NULL || is->iso.type == ISO_VD_END)
-				break;
-			if (is->iso.type == ISO_VD_SUPPLEMENTARY) {
-				dbg("found ISO supplementary VD at offset 0x%llx", off + vd_offset);
-				set_label_raw(id, is->iso.volume_id, 32);
-				set_label_unicode16(id, is->iso.volume_id, BE, 32);
-				found_svd = 1;
-				break;
-			}
-			vd_offset += ISO_SECTOR_SIZE;
-		}
-
-		if (!found_svd ||
-		    (found_svd && !strncmp(root_label, id->label, 16)))
-		{
-			set_label_raw(id, root_label, 32);
-			set_label_string(id, root_label, 32);
-		}
-		goto found;
-	}
-	if (strncmp(is->hs.id, "CDROM", 5) == 0)
-		goto found;
-	return -1;
-
-found:
-	id->usage_id = VOLUME_ID_FILESYSTEM;
-	id->type_id = VOLUME_ID_ISO9660;
-	id->type = "iso9660";
-
-	return 0;
-}
-
-#define UFS_MAGIC			0x00011954
-#define UFS2_MAGIC			0x19540119
-#define UFS_MAGIC_FEA			0x00195612
-#define UFS_MAGIC_LFN			0x00095014
-
-
-static int probe_ufs(struct volume_id *id, __u64 off)
-{
-	struct ufs_super_block {
-		__u32	fs_link;
-		__u32	fs_rlink;
-		__u32	fs_sblkno;
-		__u32	fs_cblkno;
-		__u32	fs_iblkno;
-		__u32	fs_dblkno;
-		__u32	fs_cgoffset;
-		__u32	fs_cgmask;
-		__u32	fs_time;
-		__u32	fs_size;
-		__u32	fs_dsize;
-		__u32	fs_ncg;	
-		__u32	fs_bsize;
-		__u32	fs_fsize;
-		__u32	fs_frag;
-		__u32	fs_minfree;
-		__u32	fs_rotdelay;
-		__u32	fs_rps;	
-		__u32	fs_bmask;
-		__u32	fs_fmask;
-		__u32	fs_bshift;
-		__u32	fs_fshift;
-		__u32	fs_maxcontig;
-		__u32	fs_maxbpg;
-		__u32	fs_fragshift;
-		__u32	fs_fsbtodb;
-		__u32	fs_sbsize;
-		__u32	fs_csmask;
-		__u32	fs_csshift;
-		__u32	fs_nindir;
-		__u32	fs_inopb;
-		__u32	fs_nspf;
-		__u32	fs_optim;
-		__u32	fs_npsect_state;
-		__u32	fs_interleave;
-		__u32	fs_trackskew;
-		__u32	fs_id[2];
-		__u32	fs_csaddr;
-		__u32	fs_cssize;
-		__u32	fs_cgsize;
-		__u32	fs_ntrak;
-		__u32	fs_nsect;
-		__u32	fs_spc;	
-		__u32	fs_ncyl;
-		__u32	fs_cpg;
-		__u32	fs_ipg;
-		__u32	fs_fpg;
-		struct ufs_csum {
-			__u32	cs_ndir;
-			__u32	cs_nbfree;
-			__u32	cs_nifree;
-			__u32	cs_nffree;
-		} __attribute__((__packed__)) fs_cstotal;
-		__s8	fs_fmod;
-		__s8	fs_clean;
-		__s8	fs_ronly;
-		__s8	fs_flags;
-		union {
-			struct {
-				__s8	fs_fsmnt[512];
-				__u32	fs_cgrotor;
-				__u32	fs_csp[31];
-				__u32	fs_maxcluster;
-				__u32	fs_cpc;
-				__u16	fs_opostbl[16][8];
-			} __attribute__((__packed__)) fs_u1;
-			struct {
-				__s8  fs_fsmnt[468];
-				__u8   fs_volname[32];
-				__u64  fs_swuid;
-				__s32  fs_pad;
-				__u32   fs_cgrotor;
-				__u32   fs_ocsp[28];
-				__u32   fs_contigdirs;
-				__u32   fs_csp;	
-				__u32   fs_maxcluster;
-				__u32   fs_active;
-				__s32   fs_old_cpc;
-				__s32   fs_maxbsize;
-				__s64   fs_sparecon64[17];
-				__s64   fs_sblockloc;
-				struct  ufs2_csum_total {
-					__u64	cs_ndir;
-					__u64	cs_nbfree;
-					__u64	cs_nifree;
-					__u64	cs_nffree;
-					__u64	cs_numclusters;
-					__u64	cs_spare[3];
-				} __attribute__((__packed__)) fs_cstotal;
-				struct  ufs_timeval {
-					__s32	tv_sec;
-					__s32	tv_usec;
-				} __attribute__((__packed__)) fs_time;
-				__s64    fs_size;
-				__s64    fs_dsize;
-				__u64    fs_csaddr;
-				__s64    fs_pendingblocks;
-				__s32    fs_pendinginodes;
-			} __attribute__((__packed__)) fs_u2;
-		}  fs_u11;
-		union {
-			struct {
-				__s32	fs_sparecon[53];
-				__s32	fs_reclaim;
-				__s32	fs_sparecon2[1];
-				__s32	fs_state;
-				__u32	fs_qbmask[2];
-				__u32	fs_qfmask[2];
-			} __attribute__((__packed__)) fs_sun;
-			struct {
-				__s32	fs_sparecon[53];
-				__s32	fs_reclaim;
-				__s32	fs_sparecon2[1];
-				__u32	fs_npsect;
-				__u32	fs_qbmask[2];
-				__u32	fs_qfmask[2];
-			} __attribute__((__packed__)) fs_sunx86;
-			struct {
-				__s32	fs_sparecon[50];
-				__s32	fs_contigsumsize;
-				__s32	fs_maxsymlinklen;
-				__s32	fs_inodefmt;
-				__u32	fs_maxfilesize[2];
-				__u32	fs_qbmask[2];
-				__u32	fs_qfmask[2];
-				__s32	fs_state;
-			} __attribute__((__packed__)) fs_44;
-		} fs_u2;
-		__s32	fs_postblformat;
-		__s32	fs_nrpos;
-		__s32	fs_postbloff;
-		__s32	fs_rotbloff;
-		__u32	fs_magic;
-		__u8	fs_space[1];
-	} __attribute__((__packed__)) *ufs;
-
-	__u32	magic;
-	int 	i;
-	int	offsets[] = {0, 8, 64, 256, -1};
-
-	for (i = 0; offsets[i] >= 0; i++) {	
-		ufs = (struct ufs_super_block *)
-			get_buffer(id, off + (offsets[i] * 0x400), 0x800);
-		if (ufs == NULL)
-			return -1;
-
-		dbg("offset 0x%x", offsets[i] * 0x400);
-		magic = be32_to_cpu(ufs->fs_magic);
-		if ((magic == UFS_MAGIC) ||
-		    (magic == UFS2_MAGIC) ||
-		    (magic == UFS_MAGIC_FEA) ||
-		    (magic == UFS_MAGIC_LFN)) {
-			dbg("magic 0x%08x(be)", magic);
-			goto found;
-		}
-		magic = le32_to_cpu(ufs->fs_magic);
-		if ((magic == UFS_MAGIC) ||
-		    (magic == UFS2_MAGIC) ||
-		    (magic == UFS_MAGIC_FEA) ||
-		    (magic == UFS_MAGIC_LFN)) {
-			dbg("magic 0x%08x(le)", magic);
-			goto found;
-		}
-	}
-	return -1;
-
-found:
-	id->usage_id = VOLUME_ID_FILESYSTEM;
-	id->type_id = VOLUME_ID_UFS;
-	id->type = "ufs";
-
-	return 0;
-}
-
-static int probe_mac_partition_map(struct volume_id *id, __u64 off)
-{
-	struct mac_driver_desc {
-		__u8	signature[2];
-		__u16	block_size;
-		__u32	block_count;
-	} __attribute__((__packed__)) *driver;
-
-	struct mac_partition {
-		__u8	signature[2];
-		__u16	res1;
-		__u32	map_count;
-		__u32	start_block;
-		__u32	block_count;
-		__u8	name[32];
-		__u8	type[32];
-	} __attribute__((__packed__)) *part;
-
-	const __u8 *buf;
-
-	buf = get_buffer(id, off, 0x200);
-	if (buf == NULL)
-		return -1;
-
-	part = (struct mac_partition *) buf;
-	if ((strncmp(part->signature, "PM", 2) == 0) &&
-	    (strncmp(part->type, "Apple_partition_map", 19) == 0)) {
-		/* linux creates an own subdevice for the map
-		 * just return the type if the drive header is missing */
-		id->usage_id = VOLUME_ID_PARTITIONTABLE;
-		id->type_id = VOLUME_ID_MACPARTMAP;
-		id->type = "mac_partition_map";
-		return 0;
-	}
-
-	driver = (struct mac_driver_desc *) buf;
-	if (strncmp(driver->signature, "ER", 2) == 0) {
-		/* we are on a main device, like a CD
-		 * just try to probe the first partition from the map */
-		unsigned int bsize = be16_to_cpu(driver->block_size);
-		int part_count;
-		int i;
-
-		/* get first entry of partition table */
-		buf = get_buffer(id, off +  bsize, 0x200);
-		if (buf == NULL)
-			return -1;
-
-		part = (struct mac_partition *) buf;
-		if (strncmp(part->signature, "PM", 2) != 0)
-			return -1;
-
-		part_count = be32_to_cpu(part->map_count);
-		dbg("expecting %d partition entries", part_count);
-
-		if (id->partitions != NULL)
-			free(id->partitions);
-		id->partitions =
-			malloc(part_count * sizeof(struct volume_id_partition));
-		if (id->partitions == NULL)
-			return -1;
-		memset(id->partitions, 0x00, sizeof(struct volume_id_partition));
-
-		id->partition_count = part_count;
-
-		for (i = 0; i < part_count; i++) {
-			__u64 poff;
-			__u64 plen;
-
-			buf = get_buffer(id, off + ((i+1) * bsize), 0x200);
-			if (buf == NULL)
-				return -1;
-
-			part = (struct mac_partition *) buf;
-			if (strncmp(part->signature, "PM", 2) != 0)
-				return -1;
-
-			poff = be32_to_cpu(part->start_block) * bsize;
-			plen = be32_to_cpu(part->block_count) * bsize;
-			dbg("found '%s' partition entry at 0x%llx, len 0x%llx",
-			    part->type, poff, plen);
-
-			id->partitions[i].off = poff;
-			id->partitions[i].len = plen;
-
-			if (strncmp(part->type, "Apple_Free", 10) == 0) {
-				id->partitions[i].usage_id = VOLUME_ID_UNUSED;
-			} else if (strncmp(part->type, "Apple_partition_map", 19) == 0) {
-				id->partitions[i].usage_id = VOLUME_ID_PARTITIONTABLE;
-				id->partitions[i].type_id = VOLUME_ID_MACPARTMAP;
-			} else {
-				id->partitions[i].usage_id = VOLUME_ID_UNPROBED;
-			}
-		}
-		id->usage_id = VOLUME_ID_PARTITIONTABLE;
-		id->type_id = VOLUME_ID_MACPARTMAP;
-		id->type = "mac_partition_map";
-		return 0;
-	}
-
-	return -1;
-}
-
-#define HFS_SUPERBLOCK_OFFSET		0x400
-#define HFS_NODE_LEAF			0xff
-#define HFSPLUS_POR_CNID		1
-#define HFSPLUS_EXTENT_COUNT		8
-static int probe_hfs_hfsplus(struct volume_id *id, __u64 off)
-{
-	struct hfs_finder_info{
-		__u32	boot_folder;
-		__u32	start_app;
-		__u32	open_folder;
-		__u32	os9_folder;
-		__u32	reserved;
-		__u32	osx_folder;
-		__u8	id[8];
-	} __attribute__((__packed__));
-
-	struct hfs_mdb {
-		__u8	signature[2];
-		__u32	cr_date;
-		__u32	ls_Mod;
-		__u16	atrb;
-		__u16	nm_fls;
-		__u16	vbm_st;
-		__u16	alloc_ptr;
-		__u16	nm_al_blks;
-		__u32	al_blk_size;
-		__u32	clp_size;
-		__u16	al_bl_st;
-		__u32	nxt_cnid;
-		__u16	free_bks;
-		__u8	label_len;
-		__u8	label[27];
-		__u32	vol_bkup;
-		__u16	vol_seq_num;
-		__u32	wr_cnt;
-		__u32	xt_clump_size;
-		__u32	ct_clump_size;
-		__u16	num_root_dirs;
-		__u32	file_count;
-		__u32	dir_count;
-		struct hfs_finder_info finder_info;
-		__u8	embed_sig[2];
-		__u16	embed_startblock;
-		__u16	embed_blockcount;
-	} __attribute__((__packed__)) *hfs;
-
-	struct hfsplus_bnode_descriptor {
-		__u32	next;
-		__u32	prev;
-		__u8	type;
-		__u8	height;
-		__u16	num_recs;
-		__u16	reserved;
-	} __attribute__((__packed__));
-
-	struct hfsplus_bheader_record {
-		__u16	depth;
-		__u32	root;
-		__u32	leaf_count;
-		__u32	leaf_head;
-		__u32	leaf_tail;
-		__u16	node_size;
-	} __attribute__((__packed__));
-
-	struct hfsplus_catalog_key {
-		__u16	key_len;
-		__u32	parent_id;
-		__u16	unicode_len;
-		__u8	unicode[255 * 2];
-	} __attribute__((__packed__));
-
-	struct hfsplus_extent {
-		__u32 start_block;
-		__u32 block_count;
-	} __attribute__((__packed__));
-
-	struct hfsplus_fork {
-		__u64 total_size;
-        	__u32 clump_size;
-		__u32 total_blocks;
-		struct hfsplus_extent extents[HFSPLUS_EXTENT_COUNT];
-	} __attribute__((__packed__));
-
-	struct hfsplus_vol_header {
-		__u8	signature[2];
-		__u16	version;
-		__u32	attributes;
-		__u32	last_mount_vers;
-		__u32	reserved;
-		__u32	create_date;
-		__u32	modify_date;
-		__u32	backup_date;
-		__u32	checked_date;
-		__u32	file_count;
-		__u32	folder_count;
-		__u32	blocksize;
-		__u32	total_blocks;
-		__u32	free_blocks;
-		__u32	next_alloc;
-		__u32	rsrc_clump_sz;
-		__u32	data_clump_sz;
-		__u32	next_cnid;
-		__u32	write_count;
-		__u64	encodings_bmp;
-		struct hfs_finder_info finder_info;
-		struct hfsplus_fork alloc_file;
-		struct hfsplus_fork ext_file;
-		struct hfsplus_fork cat_file;
-		struct hfsplus_fork attr_file;
-		struct hfsplus_fork start_file;
-	} __attribute__((__packed__)) *hfsplus;
-
-	unsigned int blocksize;
-	unsigned int cat_block;
-	unsigned int ext_block_start;
-	unsigned int ext_block_count;
-	int ext;
-	unsigned int leaf_node_head;
-	unsigned int leaf_node_count;
-	unsigned int leaf_node_size;
-	unsigned int leaf_block;
-	__u64 leaf_off;
-	unsigned int alloc_block_size;
-	unsigned int alloc_first_block;
-	unsigned int embed_first_block;
-	unsigned int record_count;
-	struct hfsplus_bnode_descriptor *descr;
-	struct hfsplus_bheader_record *bnode;
-	struct hfsplus_catalog_key *key;
-	unsigned int	label_len;
-	struct hfsplus_extent extents[HFSPLUS_EXTENT_COUNT];
-	const __u8 *buf;
-
-	buf = get_buffer(id, off + HFS_SUPERBLOCK_OFFSET, 0x200);
-	if (buf == NULL)
-                return -1;
-
-	hfs = (struct hfs_mdb *) buf;
-	if (strncmp(hfs->signature, "BD", 2) != 0)
-		goto checkplus;
-
-	/* it may be just a hfs wrapper for hfs+ */
-	if (strncmp(hfs->embed_sig, "H+", 2) == 0) {
-		alloc_block_size = be32_to_cpu(hfs->al_blk_size);
-		dbg("alloc_block_size 0x%x", alloc_block_size);
-
-		alloc_first_block = be16_to_cpu(hfs->al_bl_st);
-		dbg("alloc_first_block 0x%x", alloc_first_block);
-
-		embed_first_block = be16_to_cpu(hfs->embed_startblock);
-		dbg("embed_first_block 0x%x", embed_first_block);
-
-		off += (alloc_first_block * 512) +
-		       (embed_first_block * alloc_block_size);
-		dbg("hfs wrapped hfs+ found at offset 0x%llx", off);
-
-		buf = get_buffer(id, off + HFS_SUPERBLOCK_OFFSET, 0x200);
-		if (buf == NULL)
-			return -1;
-		goto checkplus;
-	}
-
-	if (hfs->label_len > 0 && hfs->label_len < 28) {
-		set_label_raw(id, hfs->label, hfs->label_len);
-		set_label_string(id, hfs->label, hfs->label_len) ;
-	}
-
-	set_uuid(id, hfs->finder_info.id, UUID_HFS);
-
-	id->usage_id = VOLUME_ID_FILESYSTEM;
-	id->type_id = VOLUME_ID_HFS;
-	id->type = "hfs";
-
-	return 0;
-
-checkplus:
-	hfsplus = (struct hfsplus_vol_header *) buf;
-	if (strncmp(hfsplus->signature, "H+", 2) == 0)
-		goto hfsplus;
-	if (strncmp(hfsplus->signature, "HX", 2) == 0)
-		goto hfsplus;
-	return -1;
-
-hfsplus:
-	set_uuid(id, hfsplus->finder_info.id, UUID_HFS);
-
-	blocksize = be32_to_cpu(hfsplus->blocksize);
-	dbg("blocksize %u", blocksize);
-
-	memcpy(extents, hfsplus->cat_file.extents, sizeof(extents));
-	cat_block = be32_to_cpu(extents[0].start_block);
-	dbg("catalog start block 0x%x", cat_block);
-
-	buf = get_buffer(id, off + (cat_block * blocksize), 0x2000);
-	if (buf == NULL)
-		goto found;
-
-	bnode = (struct hfsplus_bheader_record *)
-		&buf[sizeof(struct hfsplus_bnode_descriptor)];
-
-	leaf_node_head = be32_to_cpu(bnode->leaf_head);
-	dbg("catalog leaf node 0x%x", leaf_node_head);
-
-	leaf_node_size = be16_to_cpu(bnode->node_size);
-	dbg("leaf node size 0x%x", leaf_node_size);
-
-	leaf_node_count = be32_to_cpu(bnode->leaf_count);
-	dbg("leaf node count 0x%x", leaf_node_count);
-	if (leaf_node_count == 0)
-		goto found;
-
-	leaf_block = (leaf_node_head * leaf_node_size) / blocksize;
-
-	/* get physical location */
-	for (ext = 0; ext < HFSPLUS_EXTENT_COUNT; ext++) {
-		ext_block_start = be32_to_cpu(extents[ext].start_block);
-		ext_block_count = be32_to_cpu(extents[ext].block_count);
-		dbg("extent start block 0x%x, count 0x%x", ext_block_start, ext_block_count);
-
-		if (ext_block_count == 0)
-			goto found;
-
-		/* this is our extent */
-		if (leaf_block < ext_block_count)
-			break;
-
-		leaf_block -= ext_block_count;
-	}
-	if (ext == HFSPLUS_EXTENT_COUNT)
-		goto found;
-	dbg("found block in extent %i", ext);
-
-	leaf_off = (ext_block_start + leaf_block) * blocksize;
-
-	buf = get_buffer(id, off + leaf_off, leaf_node_size);
-	if (buf == NULL)
-		goto found;
-
-	descr = (struct hfsplus_bnode_descriptor *) buf;
-	dbg("descriptor type 0x%x", descr->type);
-
-	record_count = be16_to_cpu(descr->num_recs);
-	dbg("number of records %u", record_count);
-	if (record_count == 0)
-		goto found;
-
-	if (descr->type != HFS_NODE_LEAF)
-		goto found;
-
-	key = (struct hfsplus_catalog_key *)
-		&buf[sizeof(struct hfsplus_bnode_descriptor)];
-
-	dbg("parent id 0x%x", be32_to_cpu(key->parent_id));
-	if (be32_to_cpu(key->parent_id) != HFSPLUS_POR_CNID)
-		goto found;
-
-	label_len = be16_to_cpu(key->unicode_len) * 2;
-	dbg("label unicode16 len %i", label_len);
-	set_label_raw(id, key->unicode, label_len);
-	set_label_unicode16(id, key->unicode, BE, label_len);
-
-found:
-	id->usage_id = VOLUME_ID_FILESYSTEM;
-	id->type_id = VOLUME_ID_HFSPLUS;
-	id->type = "hfsplus";
-
-	return 0;
-}
-
-#define MFT_RECORD_VOLUME			3
-#define MFT_RECORD_ATTR_VOLUME_NAME		0x60
-#define MFT_RECORD_ATTR_VOLUME_INFO		0x70
-#define MFT_RECORD_ATTR_OBJECT_ID		0x40
-#define MFT_RECORD_ATTR_END			0xffffffffu
-static int probe_ntfs(struct volume_id *id, __u64 off)
-{
-	struct ntfs_super_block {
-		__u8	jump[3];
-		__u8	oem_id[8];
-		__u16	bytes_per_sector;
-		__u8	sectors_per_cluster;
-		__u16	reserved_sectors;
-		__u8	fats;
-		__u16	root_entries;
-		__u16	sectors;
-		__u8	media_type;
-		__u16	sectors_per_fat;
-		__u16	sectors_per_track;
-		__u16	heads;
-		__u32	hidden_sectors;
-		__u32	large_sectors;
-		__u16	unused[2];
-		__u64	number_of_sectors;
-		__u64	mft_cluster_location;
-		__u64	mft_mirror_cluster_location;
-		__s8	cluster_per_mft_record;
-		__u8	reserved1[3];
-		__s8	cluster_per_index_record;
-		__u8	reserved2[3];
-		__u8	volume_serial[8];
-		__u16	checksum;
-	} __attribute__((__packed__)) *ns;
-
-	struct master_file_table_record {
-		__u8	magic[4];
-		__u16	usa_ofs;
-		__u16	usa_count;
-		__u64	lsn;
-		__u16	sequence_number;
-		__u16	link_count;
-		__u16	attrs_offset;
-		__u16	flags;
-		__u32	bytes_in_use;
-		__u32	bytes_allocated;
-	} __attribute__((__packed__)) *mftr;
-
-	struct file_attribute {
-		__u32	type;
-		__u32	len;
-		__u8	non_resident;
-		__u8	name_len;
-		__u16	name_offset;
-		__u16	flags;
-		__u16	instance;
-		__u32	value_len;
-		__u16	value_offset;
-	} __attribute__((__packed__)) *attr;
-
-	struct volume_info {
-		__u64 reserved;
-		__u8 major_ver;
-		__u8 minor_ver;
-	} __attribute__((__packed__)) *info;
-
-	unsigned int sector_size;
-	unsigned int cluster_size;
-	__u64 mft_cluster;
-	__u64 mft_off;
-	unsigned int mft_record_size;
-	unsigned int attr_type;
-	unsigned int attr_off;
-	unsigned int attr_len;
-	unsigned int val_off;
-	unsigned int val_len;
-	const __u8 *buf;
-	const __u8 *val;
-
-	ns = (struct ntfs_super_block *) get_buffer(id, off, 0x200);
-	if (ns == NULL)
-		return -1;
-
-	if (strncmp(ns->oem_id, "NTFS", 4) != 0)
-		return -1;
-
-	set_uuid(id, ns->volume_serial, UUID_NTFS);
-
-	sector_size = le16_to_cpu(ns->bytes_per_sector);
-	cluster_size = ns->sectors_per_cluster * sector_size;
-	mft_cluster = le64_to_cpu(ns->mft_cluster_location);
-	mft_off = mft_cluster * cluster_size;
-
-	if (ns->cluster_per_mft_record < 0)
-		/* size = -log2(mft_record_size); normally 1024 Bytes */
-		mft_record_size = 1 << -ns->cluster_per_mft_record;
-	else
-		mft_record_size = ns->cluster_per_mft_record * cluster_size;
-
-	dbg("sectorsize  0x%x", sector_size);
-	dbg("clustersize 0x%x", cluster_size);
-	dbg("mftcluster  %lli", mft_cluster);
-	dbg("mftoffset  0x%llx", mft_off);
-	dbg("cluster per mft_record  %i", ns->cluster_per_mft_record);
-	dbg("mft record size  %i", mft_record_size);
-
-	buf = get_buffer(id, off + mft_off + (MFT_RECORD_VOLUME * mft_record_size),
-			 mft_record_size);
-	if (buf == NULL)
-		goto found;
-
-	mftr = (struct master_file_table_record*) buf;
-
-	dbg("mftr->magic '%c%c%c%c'", mftr->magic[0], mftr->magic[1], mftr->magic[2], mftr->magic[3]);
-	if (strncmp(mftr->magic, "FILE", 4) != 0)
-		goto found;
-
-	attr_off = le16_to_cpu(mftr->attrs_offset);
-	dbg("file $Volume's attributes are at offset %i", attr_off);
-
-	while (1) {
-		attr = (struct file_attribute*) &buf[attr_off];
-		attr_type = le32_to_cpu(attr->type);
-		attr_len = le16_to_cpu(attr->len);
-		val_off = le16_to_cpu(attr->value_offset);
-		val_len = le32_to_cpu(attr->value_len);
-		attr_off += attr_len;
-
-		if (attr_len == 0)
-			break;
-
-		if (attr_off >= mft_record_size)
-			break;
-
-		if (attr_type == MFT_RECORD_ATTR_END)
-			break;
-
-		dbg("found attribute type 0x%x, len %i, at offset %i",
-		    attr_type, attr_len, attr_off);
-
-		if (attr_type == MFT_RECORD_ATTR_VOLUME_INFO) {
-			dbg("found info, len %i", val_len);
-			info = (struct volume_info*) (((__u8 *) attr) + val_off);
-			snprintf(id->type_version, VOLUME_ID_FORMAT_SIZE-1,
-				 "%u.%u", info->major_ver, info->minor_ver);
-		}
-
-		if (attr_type == MFT_RECORD_ATTR_VOLUME_NAME) {
-			dbg("found label, len %i", val_len);
-			if (val_len > VOLUME_ID_LABEL_SIZE)
-				val_len = VOLUME_ID_LABEL_SIZE;
-
-			val = ((__u8 *) attr) + val_off;
-			set_label_raw(id, val, val_len);
-			set_label_unicode16(id, val, LE, val_len);
-		}
-	}
-
-found:
-	id->usage_id = VOLUME_ID_FILESYSTEM;
-	id->type_id = VOLUME_ID_NTFS;
-	id->type = "ntfs";
-
-	return 0;
-}
-
-#define LARGEST_PAGESIZE			0x4000
-static int probe_swap(struct volume_id *id, __u64 off)
-{
-	struct swap_header_v1_2 {
-		__u8	bootbits[1024];
-		__u32	version;
-		__u32	last_page;
-		__u32	nr_badpages;
-		__u8	uuid[16];
-		__u8	volume_name[16];
-	} __attribute__((__packed__)) *sw;
-
-	const __u8 *buf;
-	unsigned int page;
-
-	/* the swap signature is at the end of the PAGE_SIZE */
-	for (page = 0x1000; page <= LARGEST_PAGESIZE; page <<= 1) {
-			buf = get_buffer(id, off + page-10, 10);
-			if (buf == NULL)
-				return -1;
-
-			if (strncmp(buf, "SWAP-SPACE", 10) == 0) {
-				strcpy(id->type_version, "1");
-				goto found;
-			}
-
-			if (strncmp(buf, "SWAPSPACE2", 10) == 0) {
-				sw = (struct swap_header_v1_2 *) get_buffer(id, off, sizeof(struct swap_header_v1_2));
-				if (sw == NULL)
-					return -1;
-				strcpy(id->type_version, "2");
-				set_label_raw(id, sw->volume_name, 16);
-				set_label_string(id, sw->volume_name, 16);
-				set_uuid(id, sw->uuid, UUID_DCE);
-				goto found;
-			}
-	}
-	return -1;
-
-found:
-	id->usage_id = VOLUME_ID_OTHER;
-	id->type_id = VOLUME_ID_SWAP;
-	id->type = "swap";
-
-	return 0;
-}
-
-/* probe volume for filesystem type and try to read label+uuid */
-int volume_id_probe(struct volume_id *id,
-		    enum volume_id_type type,
-		    unsigned long long off,
-		    unsigned long long size)
-{
-	int rc;
-
-	dbg("called with size=0x%llx", size);
-
-	if (id == NULL)
-		return -EINVAL;
-
-	switch (type) {
-	case VOLUME_ID_MSDOSPARTTABLE:
-		rc = probe_msdos_part_table(id, off);
-		break;
-	case VOLUME_ID_EXT3:
-	case VOLUME_ID_EXT2:
-		rc = probe_ext(id, off);
-		break;
-	case VOLUME_ID_REISERFS:
-		rc = probe_reiserfs(id, off);
-		break;
-	case VOLUME_ID_XFS:
-		rc = probe_xfs(id, off);
-		break;
-	case VOLUME_ID_JFS:
-		rc = probe_jfs(id, off);
-		break;
-	case VOLUME_ID_VFAT:
-		rc = probe_vfat(id, off);
-		break;
-	case VOLUME_ID_UDF:
-		rc = probe_udf(id, off);
-		break;
-	case VOLUME_ID_ISO9660:
-		rc = probe_iso9660(id, off);
-		break;
-	case VOLUME_ID_MACPARTMAP:
-		rc = probe_mac_partition_map(id, off);
-		break;
-	case VOLUME_ID_HFS:
-	case VOLUME_ID_HFSPLUS:
-		rc = probe_hfs_hfsplus(id, off);
-		break;
-	case VOLUME_ID_UFS:
-		rc = probe_ufs(id, off);
-		break;
-	case VOLUME_ID_NTFS:
-		rc = probe_ntfs(id, off);
-		break;
-	case VOLUME_ID_SWAP:
-		rc = probe_swap(id, off);
-		break;
-	case VOLUME_ID_LINUX_RAID:
-		rc = probe_linux_raid(id, off, size);
-		break;
-	case VOLUME_ID_LVM1:
-		rc = probe_lvm1(id, off);
-		break;
-	case VOLUME_ID_LVM2:
-		rc = probe_lvm2(id, off);
-		break;
-	case VOLUME_ID_HPTRAID:
-		rc = probe_highpoint_ataraid(id, off);
-		break;
-	case VOLUME_ID_ALL:
-	default:
-		/* probe for raid first, cause fs probes may be successful on raid members */
-		rc = probe_linux_raid(id, off, size);
-		if (rc == 0)
-			break;
-		rc = probe_lvm1(id, off);
-		if (rc == 0)
-			break;
-		rc = probe_lvm2(id, off);
-		if (rc == 0)
-			break;
-		rc = probe_highpoint_ataraid(id, off);
-		if (rc == 0)
-			break;
-
-		/* signature in the first block, only small buffer needed */
-		rc = probe_vfat(id, off);
-		if (rc == 0)
-			break;
-		rc = probe_mac_partition_map(id, off);
-		if (rc == 0)
-			break;
-		rc = probe_xfs(id, off);
-		if (rc == 0)
-			break;
-
-		/* fill buffer with maximum */
-		get_buffer(id, 0, SB_BUFFER_SIZE);
-
-		rc = probe_swap(id, off);
-		if (rc == 0)
-			break;
-		rc = probe_ext(id, off);
-		if (rc == 0)
-			break;
-		rc = probe_reiserfs(id, off);
-		if (rc == 0)
-			break;
-		rc = probe_jfs(id, off);
-		if (rc == 0)
-			break;
-		rc = probe_udf(id, off);
-		if (rc == 0)
-			break;
-		rc = probe_iso9660(id, off);
-		if (rc == 0)
-			break;
-		rc = probe_hfs_hfsplus(id, off);
-		if (rc == 0)
-			break;
-		rc = probe_ufs(id, off);
-		if (rc == 0)
-			break;
-		rc = probe_ntfs(id, off);
-		if (rc == 0)
-			break;
-
-		rc = -1;
-	}
-
-	/* If the filestystem in recognized, we free the allocated buffers,
-	   otherwise they will stay in place for the possible next probe call */
-	if (rc == 0)
-		free_buffer(id);
-
-	return rc;
-}
-
-/* open volume by already open file descriptor */
-struct volume_id *volume_id_open_fd(int fd)
-{
-	struct volume_id *id;
-
-	id = malloc(sizeof(struct volume_id));
-	if (id == NULL)
-		return NULL;
-	memset(id, 0x00, sizeof(struct volume_id));
-
-	id->fd = fd;
-
-	return id;
-}
-
-/* open volume by device node */
-struct volume_id *volume_id_open_node(const char *path)
-{
-	struct volume_id *id;
-	int fd;
-
-	fd = open(path, O_RDONLY);
-	if (fd < 0) {
-		dbg("unable to open '%s'", path);
-		return NULL;
-	}
-
-	id = volume_id_open_fd(fd);
-	if (id == NULL)
-		return NULL;
-
-	/* close fd on device close */
-	id->fd_close = 1;
-
-	return id;
-}
-
-/* open volume by major/minor */
-struct volume_id *volume_id_open_dev_t(dev_t devt)
-{
-	struct volume_id *id;
-	__u8 tmp_node[VOLUME_ID_PATH_MAX];
-
-	snprintf(tmp_node, VOLUME_ID_PATH_MAX,
-		 "/tmp/volume-%u-%u-%u", getpid(), major(devt), minor(devt));
-	tmp_node[VOLUME_ID_PATH_MAX] = '\0';
-
-	/* create tempory node to open the block device */
-	unlink(tmp_node);
-	if (mknod(tmp_node, (S_IFBLK | 0600), devt) != 0)
-		return NULL;
-
-	id = volume_id_open_node(tmp_node);
-
-	unlink(tmp_node);
-
-	return id;
-}
-
-/* free allocated volume info */
-void volume_id_close(struct volume_id *id)
-{
-	if (id == NULL)
-		return;
-
-	if (id->fd_close != 0)
-		close(id->fd);
-
-	free_buffer(id);
-
-	if (id->partitions != NULL)
-		free(id->partitions);
-
-	free(id);
-}
diff --git a/extras/volume_id/dasdlabel.c b/extras/volume_id/volume_id/dasd/dasd.c
index cbbe88179d..6f045fe326 100644
--- a/extras/volume_id/dasdlabel.c
+++ b/extras/volume_id/volume_id/dasd/dasd.c
@@ -18,6 +18,13 @@
  *
  */
 
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
 
 #include <stdlib.h>
 #include <stdio.h>
@@ -25,8 +32,11 @@
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>
+#include <asm/types.h>
 
-#include "dasdlabel.h"
+#include "../volume_id.h"
+#include "../util.h"
+#include "dasd.h"
 
 static unsigned char EBCtoASC[256] =
 {
@@ -100,7 +110,7 @@ static unsigned char EBCtoASC[256] =
 	0x38, 0x39, 0x07, 0x07, 0x9A, 0x07, 0x07, 0x07
 };
 
-static void vtoc_ebcdic_dec (unsigned char *source, unsigned char *target, int l) 
+static void vtoc_ebcdic_dec (const unsigned char *source, unsigned char *target, int l) 
 {
 	int i;
 
@@ -150,29 +160,35 @@ typedef struct dasd_information_t {
 #define BIODASDINFO _IOR(DASD_IOCTL_LETTER,1,dasd_information_t)
 #define BLKSSZGET _IO(0x12,104)
 
-int probe_ibm_partition(int fd, char *out)
+int probe_ibm_partition(struct volume_id *id)
 {
 	int blocksize;
 	dasd_information_t info;
-	char name[7] = {0,};
-	unsigned char data[16];
+	__u8 *data;
+	__u8 *label_raw;
+	unsigned char name[7];
 
-	if (ioctl(fd, BIODASDINFO, (unsigned long)&info) != 0)
+	if (ioctl(id->fd, BIODASDINFO, &info) != 0)
 		return -1;
 
-	if (ioctl(fd, BLKSSZGET, (unsigned long)&blocksize))
+	if (ioctl(id->fd, BLKSSZGET, &blocksize) != 0)
 		return -1;
 
-	lseek(fd, info.label_block * blocksize, SEEK_SET);
-	if (read(fd, &data, 16) != 16)
+	data = volume_id_get_buffer(id, info.label_block * blocksize, 16);
+	if (data == NULL)
 		return -1;
 
 	if ((!info.FBA_layout) && (!strcmp(info.type, "ECKD")))
-		strncpy(name, data + 8, 6);
+		label_raw = &data[8];
 	else
-		strncpy(name, data + 4, 6);
-
-	vtoc_ebcdic_dec(name, out, 6);
+		label_raw = &data[4];
+
+	name[6] = '\0';
+	volume_id_set_usage(id, VOLUME_ID_DISKLABEL);
+	id->type = "dasd";
+	volume_id_set_label_raw(id, label_raw, 6);
+	vtoc_ebcdic_dec(label_raw, name, 6);
+	volume_id_set_label_string(id, name, 6);
 
 	return 0;
 }
diff --git a/extras/volume_id/dasdlabel.h b/extras/volume_id/volume_id/dasd/dasd.h
index 1501d3ff89..eba73f1af0 100644
--- a/extras/volume_id/dasdlabel.h
+++ b/extras/volume_id/volume_id/dasd/dasd.h
@@ -18,9 +18,9 @@
  *
  */
 
-#ifndef _DASDLABEL_H_
-#define _DASDLABEL_H_
+#ifndef _VOLUME_ID_DASDLABEL_
+#define _VOLUME_ID_DASDLABEL_
 
-extern int probe_ibm_partition(int fd, char *out);
+extern int probe_ibm_partition(struct volume_id *id);
 
 #endif
diff --git a/extras/volume_id/volume_id/ext/ext.c b/extras/volume_id/volume_id/ext/ext.c
new file mode 100644
index 0000000000..50ffa85372
--- /dev/null
+++ b/extras/volume_id/volume_id/ext/ext.c
@@ -0,0 +1,86 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <asm/types.h>
+
+#include "../volume_id.h"
+#include "../util.h"
+#include "../logging.h"
+#include "ext.h"
+
+#define EXT3_FEATURE_COMPAT_HAS_JOURNAL		0x00000004
+#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV	0x00000008
+#define EXT_SUPERBLOCK_OFFSET			0x400
+
+int volume_id_probe_ext(struct volume_id *id, __u64 off)
+{
+	struct ext2_super_block {
+		__u32	inodes_count;
+		__u32	blocks_count;
+		__u32	r_blocks_count;
+		__u32	free_blocks_count;
+		__u32	free_inodes_count;
+		__u32	first_data_block;
+		__u32	log_block_size;
+		__u32	dummy3[7];
+		__u8	magic[2];
+		__u16	state;
+		__u32	dummy5[8];
+		__u32	feature_compat;
+		__u32	feature_incompat;
+		__u32	feature_ro_compat;
+		__u8	uuid[16];
+		__u8	volume_name[16];
+	} __attribute__((__packed__)) *es;
+
+	es = (struct ext2_super_block *) volume_id_get_buffer(id, off + EXT_SUPERBLOCK_OFFSET, 0x200);
+	if (es == NULL)
+		return -1;
+
+	if (es->magic[0] != 0123 ||
+	    es->magic[1] != 0357)
+		return -1;
+
+	volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
+	volume_id_set_label_raw(id, es->volume_name, 16);
+	volume_id_set_label_string(id, es->volume_name, 16);
+	volume_id_set_uuid(id, es->uuid, UUID_DCE);
+
+	if ((le32_to_cpu(es->feature_compat) & EXT3_FEATURE_COMPAT_HAS_JOURNAL) != 0)
+		id->type = "ext3";
+	else
+		id->type = "ext2";
+
+	return 0;
+}
diff --git a/extras/volume_id/volume_id/ext/ext.h b/extras/volume_id/volume_id/ext/ext.h
new file mode 100644
index 0000000000..6b9b85876b
--- /dev/null
+++ b/extras/volume_id/volume_id/ext/ext.h
@@ -0,0 +1,26 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _VOLUME_ID_EXT_
+#define _VOLUME_ID_EXT_
+
+extern int volume_id_probe_ext(struct volume_id *id, __u64 off);
+
+#endif
diff --git a/extras/volume_id/volume_id/fat/fat.c b/extras/volume_id/volume_id/fat/fat.c
new file mode 100644
index 0000000000..e6f01076ad
--- /dev/null
+++ b/extras/volume_id/volume_id/fat/fat.c
@@ -0,0 +1,350 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <asm/types.h>
+
+#include "../volume_id.h"
+#include "../logging.h"
+#include "../util.h"
+#include "fat.h"
+
+#define FAT12_MAX			0xff5
+#define FAT16_MAX			0xfff5
+#define FAT_ATTR_VOLUME_ID		0x08
+#define FAT_ATTR_DIR			0x10
+#define FAT_ATTR_LONG_NAME		0x0f
+#define FAT_ATTR_MASK			0x3f
+#define FAT_ENTRY_FREE			0xe5
+
+struct vfat_super_block {
+	__u8	boot_jump[3];
+	__u8	sysid[8];
+	__u16	sector_size;
+	__u8	sectors_per_cluster;
+	__u16	reserved;
+	__u8	fats;
+	__u16	dir_entries;
+	__u16	sectors;
+	__u8	media;
+	__u16	fat_length;
+	__u16	secs_track;
+	__u16	heads;
+	__u32	hidden;
+	__u32	total_sect;
+	union {
+		struct fat_super_block {
+			__u8	unknown[3];
+			__u8	serno[4];
+			__u8	label[11];
+			__u8	magic[8];
+			__u8	dummy2[192];
+			__u8	pmagic[2];
+		} __attribute__((__packed__)) fat;
+		struct fat32_super_block {
+			__u32	fat32_length;
+			__u16	flags;
+			__u8	version[2];
+			__u32	root_cluster;
+			__u16	insfo_sector;
+			__u16	backup_boot;
+			__u16	reserved2[6];
+			__u8	unknown[3];
+			__u8	serno[4];
+			__u8	label[11];
+			__u8	magic[8];
+			__u8	dummy2[164];
+			__u8	pmagic[2];
+		} __attribute__((__packed__)) fat32;
+	} __attribute__((__packed__)) type;
+} __attribute__((__packed__));
+
+struct vfat_dir_entry {
+	__u8	name[11];
+	__u8	attr;
+	__u16	time_creat;
+	__u16	date_creat;
+	__u16	time_acc;
+	__u16	date_acc;
+	__u16	cluster_high;
+	__u16	time_write;
+	__u16	date_write;
+	__u16	cluster_low;
+	__u32	size;
+} __attribute__((__packed__));
+
+static char *get_attr_volume_id(struct vfat_dir_entry *dir, unsigned int count)
+{
+	unsigned int i;
+
+	for (i = 0; i < count; i++) {
+		/* end marker */
+		if (dir[i].name[0] == 0x00) {
+			dbg("end of dir");
+			break;
+		}
+
+		/* empty entry */
+		if (dir[i].name[0] == FAT_ENTRY_FREE)
+			continue;
+
+		/* long name */
+		if ((dir[i].attr & FAT_ATTR_MASK) == FAT_ATTR_LONG_NAME)
+			continue;
+
+		if ((dir[i].attr & (FAT_ATTR_VOLUME_ID | FAT_ATTR_DIR)) == FAT_ATTR_VOLUME_ID) {
+			/* labels do not have file data */
+			if (dir[i].cluster_high != 0 || dir[i].cluster_low != 0)
+				continue;
+
+			dbg("found ATTR_VOLUME_ID id in root dir");
+			return dir[i].name;
+		}
+
+		dbg("skip dir entry");
+	}
+
+	return NULL;
+}
+
+int volume_id_probe_vfat(struct volume_id *id, __u64 off)
+{
+	struct vfat_super_block *vs;
+	struct vfat_dir_entry *dir;
+	__u16 sector_size;
+	__u16 dir_entries;
+	__u32 sect_count;
+	__u16 reserved;
+	__u32 fat_size;
+	__u32 root_cluster;
+	__u32 dir_size;
+	__u32 cluster_count;
+	__u32 fat_length;
+	__u64 root_start;
+	__u32 start_data_sect;
+	__u16 root_dir_entries;
+	__u8 *buf;
+	__u32 buf_size;
+	__u8 *label = NULL;
+	__u32 next;
+	int maxloop;
+
+	vs = (struct vfat_super_block *) volume_id_get_buffer(id, off, 0x200);
+	if (vs == NULL)
+		return -1;
+
+	/* believe only that's fat, don't trust the version
+	 * the cluster_count will tell us
+	 */
+	if (strncmp(vs->sysid, "NTFS", 4) == 0)
+		return -1;
+
+	if (strncmp(vs->type.fat32.magic, "MSWIN", 5) == 0)
+		goto valid;
+
+	if (strncmp(vs->type.fat32.magic, "FAT32   ", 8) == 0)
+		goto valid;
+
+	if (strncmp(vs->type.fat.magic, "FAT16   ", 8) == 0)
+		goto valid;
+
+	if (strncmp(vs->type.fat.magic, "MSDOS", 5) == 0)
+		goto valid;
+
+	if (strncmp(vs->type.fat.magic, "FAT12   ", 8) == 0)
+		goto valid;
+
+	/*
+	 * There are old floppies out there without a magic, so we check
+	 * for well known values and guess if it's a fat volume
+	 */
+
+	/* boot jump address check */
+	if ((vs->boot_jump[0] != 0xeb || vs->boot_jump[2] != 0x90) &&
+	     vs->boot_jump[0] != 0xe9)
+		return -1;
+
+	/* heads check */
+	if (vs->heads == 0)
+		return -1;
+
+	/* cluster size check*/	
+	if (vs->sectors_per_cluster == 0 ||
+	    (vs->sectors_per_cluster & (vs->sectors_per_cluster-1)))
+		return -1;
+
+	/* media check */
+	if (vs->media < 0xf8 && vs->media != 0xf0)
+		return -1;
+
+	/* fat count*/
+	if (vs->fats != 2)
+		return -1;
+
+valid:
+	/* sector size check */
+	sector_size = le16_to_cpu(vs->sector_size);
+	if (sector_size != 0x200 && sector_size != 0x400 &&
+	    sector_size != 0x800 && sector_size != 0x1000)
+		return -1;
+
+	dbg("sector_size 0x%x", sector_size);
+	dbg("sectors_per_cluster 0x%x", vs->sectors_per_cluster);
+
+	dir_entries = le16_to_cpu(vs->dir_entries);
+	reserved = le16_to_cpu(vs->reserved);
+	dbg("reserved 0x%x", reserved);
+
+	sect_count = le16_to_cpu(vs->sectors);
+	if (sect_count == 0)
+		sect_count = le32_to_cpu(vs->total_sect);
+	dbg("sect_count 0x%x", sect_count);
+
+	fat_length = le16_to_cpu(vs->fat_length);
+	if (fat_length == 0)
+		fat_length = le32_to_cpu(vs->type.fat32.fat32_length);
+	dbg("fat_length 0x%x", fat_length);
+
+	fat_size = fat_length * vs->fats;
+	dir_size = ((dir_entries * sizeof(struct vfat_dir_entry)) +
+			(sector_size-1)) / sector_size;
+	dbg("dir_size 0x%x", dir_size);
+
+	cluster_count = sect_count - (reserved + fat_size + dir_size);
+	cluster_count /= vs->sectors_per_cluster;
+	dbg("cluster_count 0x%x", cluster_count);
+
+	if (cluster_count < FAT12_MAX) {
+		strcpy(id->type_version, "FAT12");
+	} else if (cluster_count < FAT16_MAX) {
+		strcpy(id->type_version, "FAT16");
+	} else {
+		strcpy(id->type_version, "FAT32");
+		goto fat32;
+	}
+
+	/* the label may be an attribute in the root directory */
+	root_start = (reserved + fat_size) * sector_size;
+	dbg("root dir start 0x%llx", root_start);
+	root_dir_entries = le16_to_cpu(vs->dir_entries);
+	dbg("expected entries 0x%x", root_dir_entries);
+
+	buf_size = root_dir_entries * sizeof(struct vfat_dir_entry);
+	buf = volume_id_get_buffer(id, off + root_start, buf_size);
+	if (buf == NULL)
+		goto found;
+
+	dir = (struct vfat_dir_entry*) buf;
+
+	label = get_attr_volume_id(dir, root_dir_entries);
+
+	vs = (struct vfat_super_block *) volume_id_get_buffer(id, off, 0x200);
+	if (vs == NULL)
+		return -1;
+
+	if (label != NULL && strncmp(label, "NO NAME    ", 11) != 0) {
+		volume_id_set_label_raw(id, label, 11);
+		volume_id_set_label_string(id, label, 11);
+	} else if (strncmp(vs->type.fat.label, "NO NAME    ", 11) != 0) {
+		volume_id_set_label_raw(id, vs->type.fat.label, 11);
+		volume_id_set_label_string(id, vs->type.fat.label, 11);
+	}
+	volume_id_set_uuid(id, vs->type.fat.serno, UUID_DOS);
+	goto found;
+
+fat32:
+	/* FAT32 root dir is a cluster chain like any other directory */
+	buf_size = vs->sectors_per_cluster * sector_size;
+	root_cluster = le32_to_cpu(vs->type.fat32.root_cluster);
+	dbg("root dir cluster %u", root_cluster);
+	start_data_sect = reserved + fat_size;
+
+	next = root_cluster;
+	maxloop = 100;
+	while (--maxloop) {
+		__u32 next_sect_off;
+		__u64 next_off;
+		__u64 fat_entry_off;
+		int count;
+
+		dbg("next cluster %u", next);
+		next_sect_off = (next - 2) * vs->sectors_per_cluster;
+		next_off = (start_data_sect + next_sect_off) * sector_size;
+		dbg("cluster offset 0x%llx", next_off);
+
+		/* get cluster */
+		buf = volume_id_get_buffer(id, off + next_off, buf_size);
+		if (buf == NULL)
+			goto found;
+
+		dir = (struct vfat_dir_entry*) buf;
+		count = buf_size / sizeof(struct vfat_dir_entry);
+		dbg("expected entries 0x%x", count);
+
+		label = get_attr_volume_id(dir, count);
+		if (label)
+			break;
+
+		/* get FAT entry */
+		fat_entry_off = (reserved * sector_size) + (next * sizeof(__u32));
+		buf = volume_id_get_buffer(id, off + fat_entry_off, buf_size);
+		if (buf == NULL)
+			goto found;
+
+		/* set next cluster */
+		next = le32_to_cpu(*((__u32 *) buf) & 0x0fffffff);
+		if (next == 0)
+			break;
+	}
+	if (maxloop == 0)
+		dbg("reached maximum follow count of root cluster chain, give up");
+
+	vs = (struct vfat_super_block *) volume_id_get_buffer(id, off, 0x200);
+	if (vs == NULL)
+		return -1;
+
+	if (label != NULL && strncmp(label, "NO NAME    ", 11) != 0) {
+		volume_id_set_label_raw(id, label, 11);
+		volume_id_set_label_string(id, label, 11);
+	} else if (strncmp(vs->type.fat32.label, "NO NAME    ", 11) != 0) {
+		volume_id_set_label_raw(id, vs->type.fat32.label, 11);
+		volume_id_set_label_string(id, vs->type.fat32.label, 11);
+	}
+	volume_id_set_uuid(id, vs->type.fat32.serno, UUID_DOS);
+
+found:
+	volume_id_set_usage(id, VOLUME_ID_DISKLABEL);
+	id->type = "vfat";
+
+	return 0;
+}
diff --git a/extras/volume_id/volume_id/fat/fat.h b/extras/volume_id/volume_id/fat/fat.h
new file mode 100644
index 0000000000..51ad94df85
--- /dev/null
+++ b/extras/volume_id/volume_id/fat/fat.h
@@ -0,0 +1,26 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _VOLUME_ID_FAT_
+#define _VOLUME_ID_FAT_
+
+extern int volume_id_probe_vfat(struct volume_id *id, __u64 off);
+
+#endif
diff --git a/extras/volume_id/volume_id/hfs/hfs.c b/extras/volume_id/volume_id/hfs/hfs.c
new file mode 100644
index 0000000000..638aabadf2
--- /dev/null
+++ b/extras/volume_id/volume_id/hfs/hfs.c
@@ -0,0 +1,308 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <asm/types.h>
+
+#include "../volume_id.h"
+#include "../logging.h"
+#include "../util.h"
+#include "hfs.h"
+
+#define HFS_SUPERBLOCK_OFFSET		0x400
+#define HFS_NODE_LEAF			0xff
+#define HFSPLUS_POR_CNID		1
+#define HFSPLUS_EXTENT_COUNT		8
+
+int volume_id_probe_hfs_hfsplus(struct volume_id *id, __u64 off)
+{
+	struct hfs_finder_info{
+		__u32	boot_folder;
+		__u32	start_app;
+		__u32	open_folder;
+		__u32	os9_folder;
+		__u32	reserved;
+		__u32	osx_folder;
+		__u8	id[8];
+	} __attribute__((__packed__));
+
+	struct hfs_mdb {
+		__u8	signature[2];
+		__u32	cr_date;
+		__u32	ls_Mod;
+		__u16	atrb;
+		__u16	nm_fls;
+		__u16	vbm_st;
+		__u16	alloc_ptr;
+		__u16	nm_al_blks;
+		__u32	al_blk_size;
+		__u32	clp_size;
+		__u16	al_bl_st;
+		__u32	nxt_cnid;
+		__u16	free_bks;
+		__u8	label_len;
+		__u8	label[27];
+		__u32	vol_bkup;
+		__u16	vol_seq_num;
+		__u32	wr_cnt;
+		__u32	xt_clump_size;
+		__u32	ct_clump_size;
+		__u16	num_root_dirs;
+		__u32	file_count;
+		__u32	dir_count;
+		struct hfs_finder_info finder_info;
+		__u8	embed_sig[2];
+		__u16	embed_startblock;
+		__u16	embed_blockcount;
+	} __attribute__((__packed__)) *hfs;
+
+	struct hfsplus_bnode_descriptor {
+		__u32	next;
+		__u32	prev;
+		__u8	type;
+		__u8	height;
+		__u16	num_recs;
+		__u16	reserved;
+	} __attribute__((__packed__));
+
+	struct hfsplus_bheader_record {
+		__u16	depth;
+		__u32	root;
+		__u32	leaf_count;
+		__u32	leaf_head;
+		__u32	leaf_tail;
+		__u16	node_size;
+	} __attribute__((__packed__));
+
+	struct hfsplus_catalog_key {
+		__u16	key_len;
+		__u32	parent_id;
+		__u16	unicode_len;
+		__u8	unicode[255 * 2];
+	} __attribute__((__packed__));
+
+	struct hfsplus_extent {
+		__u32 start_block;
+		__u32 block_count;
+	} __attribute__((__packed__));
+
+	struct hfsplus_fork {
+		__u64 total_size;
+        	__u32 clump_size;
+		__u32 total_blocks;
+		struct hfsplus_extent extents[HFSPLUS_EXTENT_COUNT];
+	} __attribute__((__packed__));
+
+	struct hfsplus_vol_header {
+		__u8	signature[2];
+		__u16	version;
+		__u32	attributes;
+		__u32	last_mount_vers;
+		__u32	reserved;
+		__u32	create_date;
+		__u32	modify_date;
+		__u32	backup_date;
+		__u32	checked_date;
+		__u32	file_count;
+		__u32	folder_count;
+		__u32	blocksize;
+		__u32	total_blocks;
+		__u32	free_blocks;
+		__u32	next_alloc;
+		__u32	rsrc_clump_sz;
+		__u32	data_clump_sz;
+		__u32	next_cnid;
+		__u32	write_count;
+		__u64	encodings_bmp;
+		struct hfs_finder_info finder_info;
+		struct hfsplus_fork alloc_file;
+		struct hfsplus_fork ext_file;
+		struct hfsplus_fork cat_file;
+		struct hfsplus_fork attr_file;
+		struct hfsplus_fork start_file;
+	} __attribute__((__packed__)) *hfsplus;
+
+	unsigned int blocksize;
+	unsigned int cat_block;
+	unsigned int ext_block_start;
+	unsigned int ext_block_count;
+	int ext;
+	unsigned int leaf_node_head;
+	unsigned int leaf_node_count;
+	unsigned int leaf_node_size;
+	unsigned int leaf_block;
+	__u64 leaf_off;
+	unsigned int alloc_block_size;
+	unsigned int alloc_first_block;
+	unsigned int embed_first_block;
+	unsigned int record_count;
+	struct hfsplus_bnode_descriptor *descr;
+	struct hfsplus_bheader_record *bnode;
+	struct hfsplus_catalog_key *key;
+	unsigned int	label_len;
+	struct hfsplus_extent extents[HFSPLUS_EXTENT_COUNT];
+	const __u8 *buf;
+
+	buf = volume_id_get_buffer(id, off + HFS_SUPERBLOCK_OFFSET, 0x200);
+	if (buf == NULL)
+                return -1;
+
+	hfs = (struct hfs_mdb *) buf;
+	if (strncmp(hfs->signature, "BD", 2) != 0)
+		goto checkplus;
+
+	/* it may be just a hfs wrapper for hfs+ */
+	if (strncmp(hfs->embed_sig, "H+", 2) == 0) {
+		alloc_block_size = be32_to_cpu(hfs->al_blk_size);
+		dbg("alloc_block_size 0x%x", alloc_block_size);
+
+		alloc_first_block = be16_to_cpu(hfs->al_bl_st);
+		dbg("alloc_first_block 0x%x", alloc_first_block);
+
+		embed_first_block = be16_to_cpu(hfs->embed_startblock);
+		dbg("embed_first_block 0x%x", embed_first_block);
+
+		off += (alloc_first_block * 512) +
+		       (embed_first_block * alloc_block_size);
+		dbg("hfs wrapped hfs+ found at offset 0x%llx", off);
+
+		buf = volume_id_get_buffer(id, off + HFS_SUPERBLOCK_OFFSET, 0x200);
+		if (buf == NULL)
+			return -1;
+		goto checkplus;
+	}
+
+	if (hfs->label_len > 0 && hfs->label_len < 28) {
+		volume_id_set_label_raw(id, hfs->label, hfs->label_len);
+		volume_id_set_label_string(id, hfs->label, hfs->label_len) ;
+	}
+
+	volume_id_set_uuid(id, hfs->finder_info.id, UUID_HFS);
+
+	volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
+	id->type = "hfs";
+
+	return 0;
+
+checkplus:
+	hfsplus = (struct hfsplus_vol_header *) buf;
+	if (strncmp(hfsplus->signature, "H+", 2) == 0)
+		goto hfsplus;
+	if (strncmp(hfsplus->signature, "HX", 2) == 0)
+		goto hfsplus;
+	return -1;
+
+hfsplus:
+	volume_id_set_uuid(id, hfsplus->finder_info.id, UUID_HFS);
+
+	blocksize = be32_to_cpu(hfsplus->blocksize);
+	dbg("blocksize %u", blocksize);
+
+	memcpy(extents, hfsplus->cat_file.extents, sizeof(extents));
+	cat_block = be32_to_cpu(extents[0].start_block);
+	dbg("catalog start block 0x%x", cat_block);
+
+	buf = volume_id_get_buffer(id, off + (cat_block * blocksize), 0x2000);
+	if (buf == NULL)
+		goto found;
+
+	bnode = (struct hfsplus_bheader_record *)
+		&buf[sizeof(struct hfsplus_bnode_descriptor)];
+
+	leaf_node_head = be32_to_cpu(bnode->leaf_head);
+	dbg("catalog leaf node 0x%x", leaf_node_head);
+
+	leaf_node_size = be16_to_cpu(bnode->node_size);
+	dbg("leaf node size 0x%x", leaf_node_size);
+
+	leaf_node_count = be32_to_cpu(bnode->leaf_count);
+	dbg("leaf node count 0x%x", leaf_node_count);
+	if (leaf_node_count == 0)
+		goto found;
+
+	leaf_block = (leaf_node_head * leaf_node_size) / blocksize;
+
+	/* get physical location */
+	for (ext = 0; ext < HFSPLUS_EXTENT_COUNT; ext++) {
+		ext_block_start = be32_to_cpu(extents[ext].start_block);
+		ext_block_count = be32_to_cpu(extents[ext].block_count);
+		dbg("extent start block 0x%x, count 0x%x", ext_block_start, ext_block_count);
+
+		if (ext_block_count == 0)
+			goto found;
+
+		/* this is our extent */
+		if (leaf_block < ext_block_count)
+			break;
+
+		leaf_block -= ext_block_count;
+	}
+	if (ext == HFSPLUS_EXTENT_COUNT)
+		goto found;
+	dbg("found block in extent %i", ext);
+
+	leaf_off = (ext_block_start + leaf_block) * blocksize;
+
+	buf = volume_id_get_buffer(id, off + leaf_off, leaf_node_size);
+	if (buf == NULL)
+		goto found;
+
+	descr = (struct hfsplus_bnode_descriptor *) buf;
+	dbg("descriptor type 0x%x", descr->type);
+
+	record_count = be16_to_cpu(descr->num_recs);
+	dbg("number of records %u", record_count);
+	if (record_count == 0)
+		goto found;
+
+	if (descr->type != HFS_NODE_LEAF)
+		goto found;
+
+	key = (struct hfsplus_catalog_key *)
+		&buf[sizeof(struct hfsplus_bnode_descriptor)];
+
+	dbg("parent id 0x%x", be32_to_cpu(key->parent_id));
+	if (be32_to_cpu(key->parent_id) != HFSPLUS_POR_CNID)
+		goto found;
+
+	label_len = be16_to_cpu(key->unicode_len) * 2;
+	dbg("label unicode16 len %i", label_len);
+	volume_id_set_label_raw(id, key->unicode, label_len);
+	volume_id_set_label_unicode16(id, key->unicode, BE, label_len);
+
+found:
+	volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
+	id->type = "hfsplus";
+
+	return 0;
+}
diff --git a/extras/volume_id/volume_id/hfs/hfs.h b/extras/volume_id/volume_id/hfs/hfs.h
new file mode 100644
index 0000000000..b23ccd30c8
--- /dev/null
+++ b/extras/volume_id/volume_id/hfs/hfs.h
@@ -0,0 +1,26 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _VOLUME_ID_HFS_
+#define _VOLUME_ID_HFS_
+
+extern int volume_id_probe_hfs_hfsplus(struct volume_id *id, __u64 off);
+
+#endif
diff --git a/extras/volume_id/volume_id/highpoint/highpoint.c b/extras/volume_id/volume_id/highpoint/highpoint.c
new file mode 100644
index 0000000000..3236d6b2fd
--- /dev/null
+++ b/extras/volume_id/volume_id/highpoint/highpoint.c
@@ -0,0 +1,70 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <asm/types.h>
+
+#include "../volume_id.h"
+#include "../logging.h"
+#include "../util.h"
+#include "highpoint.h"
+
+#define HPT37X_CONFIG_OFF		0x1200
+#define HPT37X_MAGIC_OK			0x5a7816f0
+#define HPT37X_MAGIC_BAD		0x5a7816fd
+
+int volume_id_probe_highpoint_ataraid(struct volume_id *id, __u64 off)
+{
+	struct hpt37x {
+		__u8	filler1[32];
+		__u32	magic;
+		__u32	magic_0;
+		__u32	magic_1;
+	} __attribute__((packed)) *hpt;
+
+	const __u8 *buf;
+
+	buf = volume_id_get_buffer(id, off + HPT37X_CONFIG_OFF, 0x200);
+	if (buf == NULL)
+		return -1;
+
+	hpt = (struct hpt37x *) buf;
+
+	if (hpt->magic != HPT37X_MAGIC_OK && hpt->magic != HPT37X_MAGIC_BAD)
+		return -1;
+
+	volume_id_set_usage(id, VOLUME_ID_RAID);
+	id->type = "hpt_ataraid_member";
+
+	return 0;
+}
diff --git a/extras/volume_id/volume_id/highpoint/highpoint.h b/extras/volume_id/volume_id/highpoint/highpoint.h
new file mode 100644
index 0000000000..5a5614afef
--- /dev/null
+++ b/extras/volume_id/volume_id/highpoint/highpoint.h
@@ -0,0 +1,26 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _VOLUME_ID_HIGHPOINT_
+#define _VOLUME_ID_HIGHPOINT_
+
+extern int volume_id_probe_highpoint_ataraid(struct volume_id *id, __u64 off);
+
+#endif
diff --git a/extras/volume_id/volume_id/iso9660/iso9660.c b/extras/volume_id/volume_id/iso9660/iso9660.c
new file mode 100644
index 0000000000..6af9e8befc
--- /dev/null
+++ b/extras/volume_id/volume_id/iso9660/iso9660.c
@@ -0,0 +1,115 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <asm/types.h>
+
+#include "../volume_id.h"
+#include "../logging.h"
+#include "../util.h"
+#include "iso9660.h"
+
+#define ISO_SUPERBLOCK_OFFSET		0x8000
+#define ISO_SECTOR_SIZE			0x800
+#define ISO_VD_OFFSET			(ISO_SUPERBLOCK_OFFSET + ISO_SECTOR_SIZE)
+#define ISO_VD_PRIMARY			0x1
+#define ISO_VD_SUPPLEMENTARY		0x2
+#define ISO_VD_END			0xff
+#define ISO_VD_MAX			16
+
+int volume_id_probe_iso9660(struct volume_id *id, __u64 off)
+{
+	union iso_super_block {
+		struct iso_header {
+			__u8	type;
+			__u8	id[5];
+			__u8	version;
+			__u8	unused1;
+			__u8		system_id[32];
+			__u8		volume_id[32];
+		} __attribute__((__packed__)) iso;
+		struct hs_header {
+			__u8	foo[8];
+			__u8	type;
+			__u8	id[4];
+			__u8	version;
+		} __attribute__((__packed__)) hs;
+	} __attribute__((__packed__)) *is;
+
+	is = (union iso_super_block *) volume_id_get_buffer(id, off + ISO_SUPERBLOCK_OFFSET, 0x200);
+	if (is == NULL)
+		return -1;
+
+	if (strncmp(is->iso.id, "CD001", 5) == 0) {
+		char root_label[VOLUME_ID_LABEL_SIZE+1];
+		int vd_offset;
+		int i;
+		int found_svd;
+
+		memset(root_label, 0, sizeof(root_label));
+		strncpy(root_label, is->iso.volume_id, sizeof(root_label)-1);
+
+		found_svd = 0;
+		vd_offset = ISO_VD_OFFSET;
+		for (i = 0; i < ISO_VD_MAX; i++) {
+			is = (union iso_super_block *) volume_id_get_buffer(id, off + vd_offset, 0x200);
+			if (is == NULL || is->iso.type == ISO_VD_END)
+				break;
+			if (is->iso.type == ISO_VD_SUPPLEMENTARY) {
+				dbg("found ISO supplementary VD at offset 0x%llx", off + vd_offset);
+				volume_id_set_label_raw(id, is->iso.volume_id, 32);
+				volume_id_set_label_unicode16(id, is->iso.volume_id, BE, 32);
+				found_svd = 1;
+				break;
+			}
+			vd_offset += ISO_SECTOR_SIZE;
+		}
+
+		if (!found_svd ||
+		    (found_svd && !strncmp(root_label, id->label, 16)))
+		{
+			volume_id_set_label_raw(id, root_label, 32);
+			volume_id_set_label_string(id, root_label, 32);
+		}
+		goto found;
+	}
+	if (strncmp(is->hs.id, "CDROM", 5) == 0)
+		goto found;
+	return -1;
+
+found:
+	volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
+	id->type = "iso9660";
+
+	return 0;
+}
diff --git a/extras/volume_id/volume_id/iso9660/iso9660.h b/extras/volume_id/volume_id/iso9660/iso9660.h
new file mode 100644
index 0000000000..c187e25f94
--- /dev/null
+++ b/extras/volume_id/volume_id/iso9660/iso9660.h
@@ -0,0 +1,26 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _VOLUME_ID_ISO9660_
+#define _VOLUME_ID_ISO9660_
+
+extern int volume_id_probe_iso9660(struct volume_id *id, __u64 off);
+
+#endif
diff --git a/extras/volume_id/volume_id/jfs/jfs.c b/extras/volume_id/volume_id/jfs/jfs.c
new file mode 100644
index 0000000000..3e7e9d6aea
--- /dev/null
+++ b/extras/volume_id/volume_id/jfs/jfs.c
@@ -0,0 +1,74 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <asm/types.h>
+
+#include "../volume_id.h"
+#include "../logging.h"
+#include "../util.h"
+#include "jfs.h"
+
+#define JFS_SUPERBLOCK_OFFSET			0x8000
+
+int volume_id_probe_jfs(struct volume_id *id, __u64 off)
+{
+	struct jfs_super_block {
+		__u8	magic[4];
+		__u32	version;
+		__u64	size;
+		__u32	bsize;
+		__u32	dummy1;
+		__u32	pbsize;
+		__u32	dummy2[27];
+		__u8	uuid[16];
+		__u8	label[16];
+		__u8	loguuid[16];
+	} __attribute__((__packed__)) *js;
+
+	js = (struct jfs_super_block *) volume_id_get_buffer(id, off + JFS_SUPERBLOCK_OFFSET, 0x200);
+	if (js == NULL)
+		return -1;
+
+	if (strncmp(js->magic, "JFS1", 4) != 0)
+		return -1;
+
+	volume_id_set_label_raw(id, js->label, 16);
+	volume_id_set_label_string(id, js->label, 16);
+	volume_id_set_uuid(id, js->uuid, UUID_DCE);
+
+	volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
+	id->type = "jfs";
+
+	return 0;
+}
diff --git a/extras/volume_id/volume_id/jfs/jfs.h b/extras/volume_id/volume_id/jfs/jfs.h
new file mode 100644
index 0000000000..28c48ffe53
--- /dev/null
+++ b/extras/volume_id/volume_id/jfs/jfs.h
@@ -0,0 +1,26 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _VOLUME_ID_JFS_
+#define _VOLUME_ID_JFS_
+
+extern int volume_id_probe_jfs(struct volume_id *id, __u64 off);
+
+#endif
diff --git a/extras/volume_id/volume_id/linux_raid/linux_raid.c b/extras/volume_id/volume_id/linux_raid/linux_raid.c
new file mode 100644
index 0000000000..b55c6ca6e8
--- /dev/null
+++ b/extras/volume_id/volume_id/linux_raid/linux_raid.c
@@ -0,0 +1,97 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <asm/types.h>
+
+#include "../volume_id.h"
+#include "../logging.h"
+#include "../util.h"
+#include "linux_raid.h"
+
+#define MD_RESERVED_BYTES		0x10000
+#define MD_MAGIC			0xa92b4efc
+
+int volume_id_probe_linux_raid(struct volume_id *id, __u64 off, __u64 size)
+{
+	struct mdp_super_block {
+		__u32	md_magic;
+		__u32	major_version;
+		__u32	minor_version;
+		__u32	patch_version;
+		__u32	gvalid_words;
+		__u32	set_uuid0;
+		__u32	ctime;
+		__u32	level;
+		__u32	size;
+		__u32	nr_disks;
+		__u32	raid_disks;
+		__u32	md_minor;
+		__u32	not_persistent;
+		__u32	set_uuid1;
+		__u32	set_uuid2;
+		__u32	set_uuid3;
+	} __attribute__((packed)) *mdp;
+
+	const __u8 *buf;
+	__u64 sboff;
+	__u8 uuid[16];
+
+	if (size < 0x10000)
+		return -1;
+
+	sboff = (size & ~(MD_RESERVED_BYTES - 1)) - MD_RESERVED_BYTES;
+	buf = volume_id_get_buffer(id, off + sboff, 0x800);
+	if (buf == NULL)
+		return -1;
+
+	mdp = (struct mdp_super_block *) buf;
+
+	if (le32_to_cpu(mdp->md_magic) != MD_MAGIC)
+		return -1;
+
+	memcpy(uuid, &mdp->set_uuid0, 4);
+	memcpy(&uuid[4], &mdp->set_uuid1, 12);
+	volume_id_set_uuid(id, uuid, UUID_DCE);
+
+	snprintf(id->type_version, VOLUME_ID_FORMAT_SIZE-1, "%u.%u.%u",
+		 le32_to_cpu(mdp->major_version),
+		 le32_to_cpu(mdp->minor_version),
+		 le32_to_cpu(mdp->patch_version));
+
+	dbg("found raid signature");
+	volume_id_set_usage(id, VOLUME_ID_RAID);
+	id->type = "linux_raid_member";
+
+	return 0;
+}
diff --git a/extras/volume_id/volume_id/linux_raid/linux_raid.h b/extras/volume_id/volume_id/linux_raid/linux_raid.h
new file mode 100644
index 0000000000..0aaaaa6ade
--- /dev/null
+++ b/extras/volume_id/volume_id/linux_raid/linux_raid.h
@@ -0,0 +1,26 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _VOLUME_ID_LINUX_RAID_
+#define _VOLUME_ID_LINUX_RAID_
+
+extern int volume_id_probe_linux_raid(struct volume_id *id, __u64 off, __u64 size);
+
+#endif
diff --git a/extras/volume_id/volume_id/linux_swap/linux_swap.c b/extras/volume_id/volume_id/linux_swap/linux_swap.c
new file mode 100644
index 0000000000..7ca4976078
--- /dev/null
+++ b/extras/volume_id/volume_id/linux_swap/linux_swap.c
@@ -0,0 +1,87 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <asm/types.h>
+
+#include "../volume_id.h"
+#include "../logging.h"
+#include "../util.h"
+#include "linux_swap.h"
+
+#define LARGEST_PAGESIZE			0x4000
+
+int volume_id_probe_linux_swap(struct volume_id *id, __u64 off)
+{
+	struct swap_header_v1_2 {
+		__u8	bootbits[1024];
+		__u32	version;
+		__u32	last_page;
+		__u32	nr_badpages;
+		__u8	uuid[16];
+		__u8	volume_name[16];
+	} __attribute__((__packed__)) *sw;
+
+	const __u8 *buf;
+	unsigned int page;
+
+	/* the swap signature is at the end of the PAGE_SIZE */
+	for (page = 0x1000; page <= LARGEST_PAGESIZE; page <<= 1) {
+			buf = volume_id_get_buffer(id, off + page-10, 10);
+			if (buf == NULL)
+				return -1;
+
+			if (strncmp(buf, "SWAP-SPACE", 10) == 0) {
+				strcpy(id->type_version, "1");
+				goto found;
+			}
+
+			if (strncmp(buf, "SWAPSPACE2", 10) == 0) {
+				sw = (struct swap_header_v1_2 *) volume_id_get_buffer(id, off, sizeof(struct swap_header_v1_2));
+				if (sw == NULL)
+					return -1;
+				strcpy(id->type_version, "2");
+				volume_id_set_label_raw(id, sw->volume_name, 16);
+				volume_id_set_label_string(id, sw->volume_name, 16);
+				volume_id_set_uuid(id, sw->uuid, UUID_DCE);
+				goto found;
+			}
+	}
+	return -1;
+
+found:
+	volume_id_set_usage(id, VOLUME_ID_OTHER);
+	id->type = "swap";
+
+	return 0;
+}
diff --git a/extras/volume_id/volume_id/linux_swap/linux_swap.h b/extras/volume_id/volume_id/linux_swap/linux_swap.h
new file mode 100644
index 0000000000..5de0f93849
--- /dev/null
+++ b/extras/volume_id/volume_id/linux_swap/linux_swap.h
@@ -0,0 +1,26 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _VOLUME_ID_LINUX_SWAP_
+#define _VOLUME_ID_LINUX_SWAP_
+
+extern int volume_id_probe_linux_swap(struct volume_id *id, __u64 off);
+
+#endif
diff --git a/extras/volume_id/volume_id_logging.h b/extras/volume_id/volume_id/logging.h
index e978ce197c..c81dc57567 100644
--- a/extras/volume_id/volume_id_logging.h
+++ b/extras/volume_id/volume_id/logging.h
@@ -1,6 +1,6 @@
 /*
  * volume_id_logging - this file is used to map the dbg() function
- *                     to the host logging facility
+ *                     to the user's logging facility
  *
  */
 
@@ -15,7 +15,7 @@
 #include <config.h>
 #endif
 
-/* just use the udev version*/
+/* just use the udev version */
 #include "../../logging.h"
 
 #endif /* _VOLUME_ID_LOGGING_H_ */
diff --git a/extras/volume_id/volume_id/lvm/lvm.c b/extras/volume_id/volume_id/lvm/lvm.c
new file mode 100644
index 0000000000..d95b6bf2d4
--- /dev/null
+++ b/extras/volume_id/volume_id/lvm/lvm.c
@@ -0,0 +1,104 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <asm/types.h>
+
+#include "../volume_id.h"
+#include "../logging.h"
+#include "../util.h"
+#include "lvm.h"
+
+#define LVM1_SB_OFF			0x400
+#define LVM1_MAGIC			"HM"
+
+int volume_id_probe_lvm1(struct volume_id *id, __u64 off)
+{
+	struct lvm2_super_block {
+		__u8	id[2];
+	} __attribute__((packed)) *lvm;
+
+	const __u8 *buf;
+
+	buf = volume_id_get_buffer(id, off + LVM1_SB_OFF, 0x800);
+	if (buf == NULL)
+		return -1;
+
+	lvm = (struct lvm2_super_block *) buf;
+
+	if (strncmp(lvm->id, LVM1_MAGIC, 2) != 0)
+		return -1;
+
+	volume_id_set_usage(id, VOLUME_ID_RAID);
+	id->type = "LVM1_member";
+
+	return 0;
+}
+
+#define LVM2_LABEL_ID			"LABELONE"
+#define LVM2LABEL_SCAN_SECTORS		4
+
+int volume_id_probe_lvm2(struct volume_id *id, __u64 off)
+{
+	struct lvm2_super_block {
+		__u8	id[8];
+		__u64	sector_xl;
+		__u32	crc_xl;
+		__u32	offset_xl;
+		__u8	type[8];
+	} __attribute__((packed)) *lvm;
+
+	const __u8 *buf;
+	unsigned int soff;
+
+	buf = volume_id_get_buffer(id, off, LVM2LABEL_SCAN_SECTORS * 0x200);
+	if (buf == NULL)
+		return -1;
+
+
+	for (soff = 0; soff < LVM2LABEL_SCAN_SECTORS * 0x200; soff += 0x200) {
+		lvm = (struct lvm2_super_block *) &buf[soff];
+
+		if (strncmp(lvm->id, LVM2_LABEL_ID, 8) == 0)
+			goto found;
+	}
+
+	return -1;
+
+found:
+	strncpy(id->type_version, lvm->type, 8);
+	volume_id_set_usage(id, VOLUME_ID_RAID);
+	id->type = "LVM2_member";
+
+	return 0;
+}
diff --git a/extras/volume_id/volume_id/lvm/lvm.h b/extras/volume_id/volume_id/lvm/lvm.h
new file mode 100644
index 0000000000..2e44cda75b
--- /dev/null
+++ b/extras/volume_id/volume_id/lvm/lvm.h
@@ -0,0 +1,27 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _VOLUME_ID_LVM_
+#define _VOLUME_ID_LVM_
+
+extern int volume_id_probe_lvm1(struct volume_id *id, __u64 off);
+extern int volume_id_probe_lvm2(struct volume_id *id, __u64 off);
+
+#endif
diff --git a/extras/volume_id/volume_id/mac/mac.c b/extras/volume_id/volume_id/mac/mac.c
new file mode 100644
index 0000000000..7265b288ab
--- /dev/null
+++ b/extras/volume_id/volume_id/mac/mac.c
@@ -0,0 +1,140 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <asm/types.h>
+
+#include "../volume_id.h"
+#include "../logging.h"
+#include "../util.h"
+#include "mac.h"
+
+int volume_id_probe_mac_partition_map(struct volume_id *id, __u64 off)
+{
+	struct mac_driver_desc {
+		__u8	signature[2];
+		__u16	block_size;
+		__u32	block_count;
+	} __attribute__((__packed__)) *driver;
+
+	struct mac_partition {
+		__u8	signature[2];
+		__u16	res1;
+		__u32	map_count;
+		__u32	start_block;
+		__u32	block_count;
+		__u8	name[32];
+		__u8	type[32];
+	} __attribute__((__packed__)) *part;
+
+	const __u8 *buf;
+
+	buf = volume_id_get_buffer(id, off, 0x200);
+	if (buf == NULL)
+		return -1;
+
+	part = (struct mac_partition *) buf;
+	if ((strncmp(part->signature, "PM", 2) == 0) &&
+	    (strncmp(part->type, "Apple_partition_map", 19) == 0)) {
+		/* linux creates an own subdevice for the map
+		 * just return the type if the drive header is missing */
+		volume_id_set_usage(id, VOLUME_ID_PARTITIONTABLE);
+		id->type = "mac_partition_map";
+		return 0;
+	}
+
+	driver = (struct mac_driver_desc *) buf;
+	if (strncmp(driver->signature, "ER", 2) == 0) {
+		/* we are on a main device, like a CD
+		 * just try to probe the first partition from the map */
+		unsigned int bsize = be16_to_cpu(driver->block_size);
+		int part_count;
+		int i;
+
+		/* get first entry of partition table */
+		buf = volume_id_get_buffer(id, off +  bsize, 0x200);
+		if (buf == NULL)
+			return -1;
+
+		part = (struct mac_partition *) buf;
+		if (strncmp(part->signature, "PM", 2) != 0)
+			return -1;
+
+		part_count = be32_to_cpu(part->map_count);
+		dbg("expecting %d partition entries", part_count);
+
+		if (id->partitions != NULL)
+			free(id->partitions);
+		id->partitions =
+			malloc(part_count * sizeof(struct volume_id_partition));
+		if (id->partitions == NULL)
+			return -1;
+		memset(id->partitions, 0x00, sizeof(struct volume_id_partition));
+
+		id->partition_count = part_count;
+
+		for (i = 0; i < part_count; i++) {
+			__u64 poff;
+			__u64 plen;
+
+			buf = volume_id_get_buffer(id, off + ((i+1) * bsize), 0x200);
+			if (buf == NULL)
+				return -1;
+
+			part = (struct mac_partition *) buf;
+			if (strncmp(part->signature, "PM", 2) != 0)
+				return -1;
+
+			poff = be32_to_cpu(part->start_block) * bsize;
+			plen = be32_to_cpu(part->block_count) * bsize;
+			dbg("found '%s' partition entry at 0x%llx, len 0x%llx",
+			    part->type, poff, plen);
+
+			id->partitions[i].off = poff;
+			id->partitions[i].len = plen;
+
+			if (strncmp(part->type, "Apple_Free", 10) == 0) {
+				volume_id_set_usage_part(&id->partitions[i], VOLUME_ID_UNUSED);
+			} else if (strncmp(part->type, "Apple_partition_map", 19) == 0) {
+				volume_id_set_usage_part(&id->partitions[i], VOLUME_ID_PARTITIONTABLE);
+			} else {
+				volume_id_set_usage_part(&id->partitions[i], VOLUME_ID_UNPROBED);
+			}
+		}
+		volume_id_set_usage(id, VOLUME_ID_PARTITIONTABLE);
+		id->type = "mac_partition_map";
+		return 0;
+	}
+
+	return -1;
+}
diff --git a/extras/volume_id/volume_id/mac/mac.h b/extras/volume_id/volume_id/mac/mac.h
new file mode 100644
index 0000000000..888c1c527d
--- /dev/null
+++ b/extras/volume_id/volume_id/mac/mac.h
@@ -0,0 +1,26 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _VOLUME_ID_MAC_
+#define _VOLUME_ID_MAC_
+
+extern int volume_id_probe_mac_partition_map(struct volume_id *id, __u64 off);
+
+#endif
diff --git a/extras/volume_id/volume_id/msdos/msdos.c b/extras/volume_id/volume_id/msdos/msdos.c
new file mode 100644
index 0000000000..915c1b2917
--- /dev/null
+++ b/extras/volume_id/volume_id/msdos/msdos.c
@@ -0,0 +1,212 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <asm/types.h>
+
+#include "../volume_id.h"
+#include "../logging.h"
+#include "../util.h"
+#include "msdos.h"
+
+#define MSDOS_MAGIC			"\x55\xaa"
+#define MSDOS_PARTTABLE_OFFSET		0x1be
+#define MSDOS_SIG_OFF			0x1fe
+#define BSIZE				0x200
+#define DOS_EXTENDED_PARTITION		0x05
+#define LINUX_EXTENDED_PARTITION	0x85
+#define WIN98_EXTENDED_PARTITION	0x0f
+#define LINUX_RAID_PARTITION		0xfd
+#define is_extended(type) \
+	(type == DOS_EXTENDED_PARTITION ||	\
+	 type == WIN98_EXTENDED_PARTITION ||	\
+	 type == LINUX_EXTENDED_PARTITION)
+#define is_raid(type) \
+	(type == LINUX_RAID_PARTITION)
+
+int volume_id_probe_msdos_part_table(struct volume_id *id, __u64 off)
+{
+	struct msdos_partition_entry {
+		__u8	boot_ind;
+		__u8	head;
+		__u8	sector;
+		__u8	cyl;
+		__u8	sys_ind;
+		__u8	end_head;
+		__u8	end_sector;
+		__u8	end_cyl;
+		__u32	start_sect;
+		__u32	nr_sects;
+	} __attribute__((packed)) *part;
+
+	const __u8 *buf;
+	int i;
+	__u64 poff;
+	__u64 plen;
+	__u64 extended = 0;
+	__u64 current;
+	__u64 next;
+	int limit;
+	int empty = 1;
+	struct volume_id_partition *p;
+
+	buf = volume_id_get_buffer(id, off, 0x200);
+	if (buf == NULL)
+		return -1;
+
+	if (strncmp(&buf[MSDOS_SIG_OFF], MSDOS_MAGIC, 2) != 0)
+		return -1;
+
+	/* check flags on all entries for a valid partition table */
+	part = (struct msdos_partition_entry*) &buf[MSDOS_PARTTABLE_OFFSET];
+	for (i = 0; i < 4; i++) {
+		if (part[i].boot_ind != 0 &&
+		    part[i].boot_ind != 0x80)
+			return -1;
+
+		if (le32_to_cpu(part[i].nr_sects) != 0)
+			empty = 0;
+	}
+	if (empty == 1)
+		return -1;
+
+	if (id->partitions != NULL)
+		free(id->partitions);
+	id->partitions = malloc(VOLUME_ID_PARTITIONS_MAX *
+				sizeof(struct volume_id_partition));
+	if (id->partitions == NULL)
+		return -1;
+	memset(id->partitions, 0x00,
+	       VOLUME_ID_PARTITIONS_MAX * sizeof(struct volume_id_partition));
+
+	for (i = 0; i < 4; i++) {
+		poff = (__u64) le32_to_cpu(part[i].start_sect) * BSIZE;
+		plen = (__u64) le32_to_cpu(part[i].nr_sects) * BSIZE;
+
+		if (plen == 0)
+			continue;
+
+		p = &id->partitions[i];
+
+		p->partition_type_raw = part[i].sys_ind;
+
+		if (is_extended(part[i].sys_ind)) {
+			dbg("found extended partition at 0x%llx", poff);
+			volume_id_set_usage_part(p, VOLUME_ID_PARTITIONTABLE);
+			p->type = "msdos_extended_partition";
+			if (extended == 0)
+				extended = off + poff;
+		} else {
+			dbg("found 0x%x data partition at 0x%llx, len 0x%llx",
+			    part[i].sys_ind, poff, plen);
+
+			if (is_raid(part[i].sys_ind))
+				volume_id_set_usage_part(p, VOLUME_ID_RAID);
+			else
+				volume_id_set_usage_part(p, VOLUME_ID_UNPROBED);
+		}
+
+		p->off = off + poff;
+		p->len = plen;
+		id->partition_count = i+1;
+	}
+
+	next = extended;
+	current = extended;
+	limit = 50;
+
+	/* follow extended partition chain and add data partitions */
+	while (next != 0) {
+		if (limit-- == 0) {
+			dbg("extended chain limit reached");
+			break;
+		}
+
+		buf = volume_id_get_buffer(id, current, 0x200);
+		if (buf == NULL)
+			break;
+
+		part = (struct msdos_partition_entry*) &buf[MSDOS_PARTTABLE_OFFSET];
+
+		if (strncmp(&buf[MSDOS_SIG_OFF], MSDOS_MAGIC, 2) != 0)
+			break;
+
+		next = 0;
+
+		for (i = 0; i < 4; i++) {
+			poff = (__u64) le32_to_cpu(part[i].start_sect) * BSIZE;
+			plen = (__u64) le32_to_cpu(part[i].nr_sects) * BSIZE;
+
+			if (plen == 0)
+				continue;
+
+			if (is_extended(part[i].sys_ind)) {
+				dbg("found extended partition at 0x%llx", poff);
+				if (next == 0)
+					next = extended + poff;
+			} else {
+				dbg("found 0x%x data partition at 0x%llx, len 0x%llx",
+					part[i].sys_ind, poff, plen);
+
+				/* we always start at the 5th entry */
+				while (id->partition_count < 4)
+					volume_id_set_usage_part(&id->partitions[id->partition_count++], VOLUME_ID_UNUSED);
+
+				p = &id->partitions[id->partition_count];
+
+				if (is_raid(part[i].sys_ind))
+					volume_id_set_usage_part(p, VOLUME_ID_RAID);
+				else
+					volume_id_set_usage_part(p, VOLUME_ID_UNPROBED);
+
+				p->off = current + poff;
+				p->len = plen;
+				id->partition_count++;
+
+				p->partition_type_raw = part[i].sys_ind;
+
+				if (id->partition_count >= VOLUME_ID_PARTITIONS_MAX) {
+					dbg("too many partitions");
+					next = 0;
+				}
+			}
+		}
+
+		current = next;
+	}
+
+	volume_id_set_usage(id, VOLUME_ID_PARTITIONTABLE);
+	id->type = "msdos_partition_table";
+
+	return 0;
+}
diff --git a/extras/volume_id/volume_id/msdos/msdos.h b/extras/volume_id/volume_id/msdos/msdos.h
new file mode 100644
index 0000000000..55185c006b
--- /dev/null
+++ b/extras/volume_id/volume_id/msdos/msdos.h
@@ -0,0 +1,26 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _VOLUME_ID_MSDOS_
+#define _VOLUME_ID_MSDOS_
+
+extern int volume_id_probe_msdos_part_table(struct volume_id *id, __u64 off);
+
+#endif
diff --git a/extras/volume_id/volume_id/ntfs/ntfs.c b/extras/volume_id/volume_id/ntfs/ntfs.c
new file mode 100644
index 0000000000..4e1f508561
--- /dev/null
+++ b/extras/volume_id/volume_id/ntfs/ntfs.c
@@ -0,0 +1,205 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <asm/types.h>
+
+#include "../volume_id.h"
+#include "../logging.h"
+#include "../util.h"
+#include "ntfs.h"
+
+#define MFT_RECORD_VOLUME			3
+#define MFT_RECORD_ATTR_VOLUME_NAME		0x60
+#define MFT_RECORD_ATTR_VOLUME_INFO		0x70
+#define MFT_RECORD_ATTR_OBJECT_ID		0x40
+#define MFT_RECORD_ATTR_END			0xffffffffu
+
+int volume_id_probe_ntfs(struct volume_id *id, __u64 off)
+{
+	struct ntfs_super_block {
+		__u8	jump[3];
+		__u8	oem_id[8];
+		__u16	bytes_per_sector;
+		__u8	sectors_per_cluster;
+		__u16	reserved_sectors;
+		__u8	fats;
+		__u16	root_entries;
+		__u16	sectors;
+		__u8	media_type;
+		__u16	sectors_per_fat;
+		__u16	sectors_per_track;
+		__u16	heads;
+		__u32	hidden_sectors;
+		__u32	large_sectors;
+		__u16	unused[2];
+		__u64	number_of_sectors;
+		__u64	mft_cluster_location;
+		__u64	mft_mirror_cluster_location;
+		__s8	cluster_per_mft_record;
+		__u8	reserved1[3];
+		__s8	cluster_per_index_record;
+		__u8	reserved2[3];
+		__u8	volume_serial[8];
+		__u16	checksum;
+	} __attribute__((__packed__)) *ns;
+
+	struct master_file_table_record {
+		__u8	magic[4];
+		__u16	usa_ofs;
+		__u16	usa_count;
+		__u64	lsn;
+		__u16	sequence_number;
+		__u16	link_count;
+		__u16	attrs_offset;
+		__u16	flags;
+		__u32	bytes_in_use;
+		__u32	bytes_allocated;
+	} __attribute__((__packed__)) *mftr;
+
+	struct file_attribute {
+		__u32	type;
+		__u32	len;
+		__u8	non_resident;
+		__u8	name_len;
+		__u16	name_offset;
+		__u16	flags;
+		__u16	instance;
+		__u32	value_len;
+		__u16	value_offset;
+	} __attribute__((__packed__)) *attr;
+
+	struct volume_info {
+		__u64 reserved;
+		__u8 major_ver;
+		__u8 minor_ver;
+	} __attribute__((__packed__)) *info;
+
+	unsigned int sector_size;
+	unsigned int cluster_size;
+	__u64 mft_cluster;
+	__u64 mft_off;
+	unsigned int mft_record_size;
+	unsigned int attr_type;
+	unsigned int attr_off;
+	unsigned int attr_len;
+	unsigned int val_off;
+	unsigned int val_len;
+	const __u8 *buf;
+	const __u8 *val;
+
+	ns = (struct ntfs_super_block *) volume_id_get_buffer(id, off, 0x200);
+	if (ns == NULL)
+		return -1;
+
+	if (strncmp(ns->oem_id, "NTFS", 4) != 0)
+		return -1;
+
+	volume_id_set_uuid(id, ns->volume_serial, UUID_NTFS);
+
+	sector_size = le16_to_cpu(ns->bytes_per_sector);
+	cluster_size = ns->sectors_per_cluster * sector_size;
+	mft_cluster = le64_to_cpu(ns->mft_cluster_location);
+	mft_off = mft_cluster * cluster_size;
+
+	if (ns->cluster_per_mft_record < 0)
+		/* size = -log2(mft_record_size); normally 1024 Bytes */
+		mft_record_size = 1 << -ns->cluster_per_mft_record;
+	else
+		mft_record_size = ns->cluster_per_mft_record * cluster_size;
+
+	dbg("sectorsize  0x%x", sector_size);
+	dbg("clustersize 0x%x", cluster_size);
+	dbg("mftcluster  %lli", mft_cluster);
+	dbg("mftoffset  0x%llx", mft_off);
+	dbg("cluster per mft_record  %i", ns->cluster_per_mft_record);
+	dbg("mft record size  %i", mft_record_size);
+
+	buf = volume_id_get_buffer(id, off + mft_off + (MFT_RECORD_VOLUME * mft_record_size),
+			 mft_record_size);
+	if (buf == NULL)
+		goto found;
+
+	mftr = (struct master_file_table_record*) buf;
+
+	dbg("mftr->magic '%c%c%c%c'", mftr->magic[0], mftr->magic[1], mftr->magic[2], mftr->magic[3]);
+	if (strncmp(mftr->magic, "FILE", 4) != 0)
+		goto found;
+
+	attr_off = le16_to_cpu(mftr->attrs_offset);
+	dbg("file $Volume's attributes are at offset %i", attr_off);
+
+	while (1) {
+		attr = (struct file_attribute*) &buf[attr_off];
+		attr_type = le32_to_cpu(attr->type);
+		attr_len = le16_to_cpu(attr->len);
+		val_off = le16_to_cpu(attr->value_offset);
+		val_len = le32_to_cpu(attr->value_len);
+		attr_off += attr_len;
+
+		if (attr_len == 0)
+			break;
+
+		if (attr_off >= mft_record_size)
+			break;
+
+		if (attr_type == MFT_RECORD_ATTR_END)
+			break;
+
+		dbg("found attribute type 0x%x, len %i, at offset %i",
+		    attr_type, attr_len, attr_off);
+
+		if (attr_type == MFT_RECORD_ATTR_VOLUME_INFO) {
+			dbg("found info, len %i", val_len);
+			info = (struct volume_info*) (((__u8 *) attr) + val_off);
+			snprintf(id->type_version, VOLUME_ID_FORMAT_SIZE-1,
+				 "%u.%u", info->major_ver, info->minor_ver);
+		}
+
+		if (attr_type == MFT_RECORD_ATTR_VOLUME_NAME) {
+			dbg("found label, len %i", val_len);
+			if (val_len > VOLUME_ID_LABEL_SIZE)
+				val_len = VOLUME_ID_LABEL_SIZE;
+
+			val = ((__u8 *) attr) + val_off;
+			volume_id_set_label_raw(id, val, val_len);
+			volume_id_set_label_unicode16(id, val, LE, val_len);
+		}
+	}
+
+found:
+	volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
+	id->type = "ntfs";
+
+	return 0;
+}
diff --git a/extras/volume_id/volume_id/ntfs/ntfs.h b/extras/volume_id/volume_id/ntfs/ntfs.h
new file mode 100644
index 0000000000..63b1161d51
--- /dev/null
+++ b/extras/volume_id/volume_id/ntfs/ntfs.h
@@ -0,0 +1,26 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _VOLUME_ID_NTFS_
+#define _VOLUME_ID_NTFS_
+
+extern int volume_id_probe_ntfs(struct volume_id *id, __u64 off);
+
+#endif
diff --git a/extras/volume_id/volume_id/reiserfs/reiserfs.c b/extras/volume_id/volume_id/reiserfs/reiserfs.c
new file mode 100644
index 0000000000..8fd8b51b59
--- /dev/null
+++ b/extras/volume_id/volume_id/reiserfs/reiserfs.c
@@ -0,0 +1,97 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <asm/types.h>
+
+#include "../volume_id.h"
+#include "../logging.h"
+#include "../util.h"
+#include "reiserfs.h"
+
+#define REISERFS1_SUPERBLOCK_OFFSET		0x2000
+#define REISERFS_SUPERBLOCK_OFFSET		0x10000
+
+int volume_id_probe_reiserfs(struct volume_id *id, __u64 off)
+{
+	struct reiserfs_super_block {
+		__u32	blocks_count;
+		__u32	free_blocks;
+		__u32	root_block;
+		__u32	journal_block;
+		__u32	journal_dev;
+		__u32	orig_journal_size;
+		__u32	dummy2[5];
+		__u16	blocksize;
+		__u16	dummy3[3];
+		__u8	magic[12];
+		__u32	dummy4[5];
+		__u8	uuid[16];
+		__u8	label[16];
+	} __attribute__((__packed__)) *rs;
+
+	rs = (struct reiserfs_super_block *) volume_id_get_buffer(id, off + REISERFS_SUPERBLOCK_OFFSET, 0x200);
+	if (rs == NULL)
+		return -1;
+
+	if (strncmp(rs->magic, "ReIsEr2Fs", 9) == 0) {
+		strcpy(id->type_version, "3.6");
+		goto found;
+	}
+
+	if (strncmp(rs->magic, "ReIsEr3Fs", 9) == 0) {
+		strcpy(id->type_version, "JR");
+		goto found;
+	}
+
+	rs = (struct reiserfs_super_block *) volume_id_get_buffer(id, off + REISERFS1_SUPERBLOCK_OFFSET, 0x200);
+	if (rs == NULL)
+		return -1;
+
+	if (strncmp(rs->magic, "ReIsErFs", 8) == 0) {
+		strcpy(id->type_version, "3.5");
+		goto found;
+	}
+
+	return -1;
+
+found:
+	volume_id_set_label_raw(id, rs->label, 16);
+	volume_id_set_label_string(id, rs->label, 16);
+	volume_id_set_uuid(id, rs->uuid, UUID_DCE);
+
+	volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
+	id->type = "reiserfs";
+
+	return 0;
+}
diff --git a/extras/volume_id/volume_id/reiserfs/reiserfs.h b/extras/volume_id/volume_id/reiserfs/reiserfs.h
new file mode 100644
index 0000000000..14f094578f
--- /dev/null
+++ b/extras/volume_id/volume_id/reiserfs/reiserfs.h
@@ -0,0 +1,26 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _VOLUME_ID_REISERFS_
+#define _VOLUME_ID_REISERFS_
+
+extern int volume_id_probe_reiserfs(struct volume_id *id, __u64 off);
+
+#endif
diff --git a/extras/volume_id/volume_id/udf/udf.c b/extras/volume_id/volume_id/udf/udf.c
new file mode 100644
index 0000000000..b91e3cce4e
--- /dev/null
+++ b/extras/volume_id/volume_id/udf/udf.c
@@ -0,0 +1,187 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <asm/types.h>
+
+#include "../volume_id.h"
+#include "../logging.h"
+#include "../util.h"
+#include "udf.h"
+
+#define UDF_VSD_OFFSET			0x8000
+
+int volume_id_probe_udf(struct volume_id *id, __u64 off)
+{
+	struct volume_descriptor {
+		struct descriptor_tag {
+			__u16	id;
+			__u16	version;
+			__u8	checksum;
+			__u8	reserved;
+			__u16	serial;
+			__u16	crc;
+			__u16	crc_len;
+			__u32	location;
+		} __attribute__((__packed__)) tag;
+		union {
+			struct anchor_descriptor {
+				__u32	length;
+				__u32	location;
+			} __attribute__((__packed__)) anchor;
+			struct primary_descriptor {
+				__u32	seq_num;
+				__u32	desc_num;
+				struct dstring {
+					__u8	clen;
+					__u8	c[31];
+				} __attribute__((__packed__)) ident;
+			} __attribute__((__packed__)) primary;
+		} __attribute__((__packed__)) type;
+	} __attribute__((__packed__)) *vd;
+
+	struct volume_structure_descriptor {
+		__u8	type;
+		__u8	id[5];
+		__u8	version;
+	} *vsd;
+
+	unsigned int bs;
+	unsigned int b;
+	unsigned int type;
+	unsigned int count;
+	unsigned int loc;
+	unsigned int clen;
+
+	vsd = (struct volume_structure_descriptor *) volume_id_get_buffer(id, off + UDF_VSD_OFFSET, 0x200);
+	if (vsd == NULL)
+		return -1;
+
+	if (strncmp(vsd->id, "NSR02", 5) == 0)
+		goto blocksize;
+	if (strncmp(vsd->id, "NSR03", 5) == 0)
+		goto blocksize;
+	if (strncmp(vsd->id, "BEA01", 5) == 0)
+		goto blocksize;
+	if (strncmp(vsd->id, "BOOT2", 5) == 0)
+		goto blocksize;
+	if (strncmp(vsd->id, "CD001", 5) == 0)
+		goto blocksize;
+	if (strncmp(vsd->id, "CDW02", 5) == 0)
+		goto blocksize;
+	if (strncmp(vsd->id, "TEA03", 5) == 0)
+		goto blocksize;
+	return -1;
+
+blocksize:
+	/* search the next VSD to get the logical block size of the volume */
+	for (bs = 0x800; bs < 0x8000; bs += 0x800) {
+		vsd = (struct volume_structure_descriptor *) volume_id_get_buffer(id, off + UDF_VSD_OFFSET + bs, 0x800);
+		if (vsd == NULL)
+			return -1;
+		dbg("test for blocksize: 0x%x", bs);
+		if (vsd->id[0] != '\0')
+			goto nsr;
+	}
+	return -1;
+
+nsr:
+	/* search the list of VSDs for a NSR descriptor */
+	for (b = 0; b < 64; b++) {
+		vsd = (struct volume_structure_descriptor *) volume_id_get_buffer(id, off + UDF_VSD_OFFSET + (b * bs), 0x800);
+		if (vsd == NULL)
+			return -1;
+
+		dbg("vsd: %c%c%c%c%c",
+		    vsd->id[0], vsd->id[1], vsd->id[2], vsd->id[3], vsd->id[4]);
+
+		if (vsd->id[0] == '\0')
+			return -1;
+		if (strncmp(vsd->id, "NSR02", 5) == 0)
+			goto anchor;
+		if (strncmp(vsd->id, "NSR03", 5) == 0)
+			goto anchor;
+	}
+	return -1;
+
+anchor:
+	/* read anchor volume descriptor */
+	vd = (struct volume_descriptor *) volume_id_get_buffer(id, off + (256 * bs), 0x200);
+	if (vd == NULL)
+		return -1;
+
+	type = le16_to_cpu(vd->tag.id);
+	if (type != 2) /* TAG_ID_AVDP */
+		goto found;
+
+	/* get desriptor list address and block count */
+	count = le32_to_cpu(vd->type.anchor.length) / bs;
+	loc = le32_to_cpu(vd->type.anchor.location);
+	dbg("0x%x descriptors starting at logical secor 0x%x", count, loc);
+
+	/* pick the primary descriptor from the list */
+	for (b = 0; b < count; b++) {
+		vd = (struct volume_descriptor *) volume_id_get_buffer(id, off + ((loc + b) * bs), 0x200);
+		if (vd == NULL)
+			return -1;
+
+		type = le16_to_cpu(vd->tag.id);
+		dbg("descriptor type %i", type);
+
+		/* check validity */
+		if (type == 0)
+			goto found;
+		if (le32_to_cpu(vd->tag.location) != loc + b)
+			goto found;
+
+		if (type == 1) /* TAG_ID_PVD */
+			goto pvd;
+	}
+	goto found;
+
+pvd:
+	volume_id_set_label_raw(id, &(vd->type.primary.ident.clen), 32);
+
+	clen = vd->type.primary.ident.clen;
+	dbg("label string charsize=%i bit", clen);
+	if (clen == 8)
+		volume_id_set_label_string(id, vd->type.primary.ident.c, 31);
+	else if (clen == 16)
+		volume_id_set_label_unicode16(id, vd->type.primary.ident.c, BE,31);
+
+found:
+	volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
+	id->type = "udf";
+
+	return 0;
+}
diff --git a/extras/volume_id/volume_id/udf/udf.h b/extras/volume_id/volume_id/udf/udf.h
new file mode 100644
index 0000000000..b112e46ffc
--- /dev/null
+++ b/extras/volume_id/volume_id/udf/udf.h
@@ -0,0 +1,26 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _VOLUME_ID_UDF_
+#define _VOLUME_ID_UDF_
+
+extern int volume_id_probe_udf(struct volume_id *id, __u64 off);
+
+#endif
diff --git a/extras/volume_id/volume_id/ufs/ufs.c b/extras/volume_id/volume_id/ufs/ufs.c
new file mode 100644
index 0000000000..bab1d4cfad
--- /dev/null
+++ b/extras/volume_id/volume_id/ufs/ufs.c
@@ -0,0 +1,220 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <asm/types.h>
+
+#include "../volume_id.h"
+#include "../logging.h"
+#include "../util.h"
+#include "ufs.h"
+
+#define UFS_MAGIC			0x00011954
+#define UFS2_MAGIC			0x19540119
+#define UFS_MAGIC_FEA			0x00195612
+#define UFS_MAGIC_LFN			0x00095014
+
+int volume_id_probe_ufs(struct volume_id *id, __u64 off)
+{
+	struct ufs_super_block {
+		__u32	fs_link;
+		__u32	fs_rlink;
+		__u32	fs_sblkno;
+		__u32	fs_cblkno;
+		__u32	fs_iblkno;
+		__u32	fs_dblkno;
+		__u32	fs_cgoffset;
+		__u32	fs_cgmask;
+		__u32	fs_time;
+		__u32	fs_size;
+		__u32	fs_dsize;
+		__u32	fs_ncg;	
+		__u32	fs_bsize;
+		__u32	fs_fsize;
+		__u32	fs_frag;
+		__u32	fs_minfree;
+		__u32	fs_rotdelay;
+		__u32	fs_rps;	
+		__u32	fs_bmask;
+		__u32	fs_fmask;
+		__u32	fs_bshift;
+		__u32	fs_fshift;
+		__u32	fs_maxcontig;
+		__u32	fs_maxbpg;
+		__u32	fs_fragshift;
+		__u32	fs_fsbtodb;
+		__u32	fs_sbsize;
+		__u32	fs_csmask;
+		__u32	fs_csshift;
+		__u32	fs_nindir;
+		__u32	fs_inopb;
+		__u32	fs_nspf;
+		__u32	fs_optim;
+		__u32	fs_npsect_state;
+		__u32	fs_interleave;
+		__u32	fs_trackskew;
+		__u32	fs_id[2];
+		__u32	fs_csaddr;
+		__u32	fs_cssize;
+		__u32	fs_cgsize;
+		__u32	fs_ntrak;
+		__u32	fs_nsect;
+		__u32	fs_spc;	
+		__u32	fs_ncyl;
+		__u32	fs_cpg;
+		__u32	fs_ipg;
+		__u32	fs_fpg;
+		struct ufs_csum {
+			__u32	cs_ndir;
+			__u32	cs_nbfree;
+			__u32	cs_nifree;
+			__u32	cs_nffree;
+		} __attribute__((__packed__)) fs_cstotal;
+		__s8	fs_fmod;
+		__s8	fs_clean;
+		__s8	fs_ronly;
+		__s8	fs_flags;
+		union {
+			struct {
+				__s8	fs_fsmnt[512];
+				__u32	fs_cgrotor;
+				__u32	fs_csp[31];
+				__u32	fs_maxcluster;
+				__u32	fs_cpc;
+				__u16	fs_opostbl[16][8];
+			} __attribute__((__packed__)) fs_u1;
+			struct {
+				__s8  fs_fsmnt[468];
+				__u8   fs_volname[32];
+				__u64  fs_swuid;
+				__s32  fs_pad;
+				__u32   fs_cgrotor;
+				__u32   fs_ocsp[28];
+				__u32   fs_contigdirs;
+				__u32   fs_csp;	
+				__u32   fs_maxcluster;
+				__u32   fs_active;
+				__s32   fs_old_cpc;
+				__s32   fs_maxbsize;
+				__s64   fs_sparecon64[17];
+				__s64   fs_sblockloc;
+				struct  ufs2_csum_total {
+					__u64	cs_ndir;
+					__u64	cs_nbfree;
+					__u64	cs_nifree;
+					__u64	cs_nffree;
+					__u64	cs_numclusters;
+					__u64	cs_spare[3];
+				} __attribute__((__packed__)) fs_cstotal;
+				struct  ufs_timeval {
+					__s32	tv_sec;
+					__s32	tv_usec;
+				} __attribute__((__packed__)) fs_time;
+				__s64    fs_size;
+				__s64    fs_dsize;
+				__u64    fs_csaddr;
+				__s64    fs_pendingblocks;
+				__s32    fs_pendinginodes;
+			} __attribute__((__packed__)) fs_u2;
+		}  fs_u11;
+		union {
+			struct {
+				__s32	fs_sparecon[53];
+				__s32	fs_reclaim;
+				__s32	fs_sparecon2[1];
+				__s32	fs_state;
+				__u32	fs_qbmask[2];
+				__u32	fs_qfmask[2];
+			} __attribute__((__packed__)) fs_sun;
+			struct {
+				__s32	fs_sparecon[53];
+				__s32	fs_reclaim;
+				__s32	fs_sparecon2[1];
+				__u32	fs_npsect;
+				__u32	fs_qbmask[2];
+				__u32	fs_qfmask[2];
+			} __attribute__((__packed__)) fs_sunx86;
+			struct {
+				__s32	fs_sparecon[50];
+				__s32	fs_contigsumsize;
+				__s32	fs_maxsymlinklen;
+				__s32	fs_inodefmt;
+				__u32	fs_maxfilesize[2];
+				__u32	fs_qbmask[2];
+				__u32	fs_qfmask[2];
+				__s32	fs_state;
+			} __attribute__((__packed__)) fs_44;
+		} fs_u2;
+		__s32	fs_postblformat;
+		__s32	fs_nrpos;
+		__s32	fs_postbloff;
+		__s32	fs_rotbloff;
+		__u32	fs_magic;
+		__u8	fs_space[1];
+	} __attribute__((__packed__)) *ufs;
+
+	__u32	magic;
+	int 	i;
+	int	offsets[] = {0, 8, 64, 256, -1};
+
+	for (i = 0; offsets[i] >= 0; i++) {	
+		ufs = (struct ufs_super_block *) volume_id_get_buffer(id, off + (offsets[i] * 0x400), 0x800);
+		if (ufs == NULL)
+			return -1;
+
+		dbg("offset 0x%x", offsets[i] * 0x400);
+		magic = be32_to_cpu(ufs->fs_magic);
+		if ((magic == UFS_MAGIC) ||
+		    (magic == UFS2_MAGIC) ||
+		    (magic == UFS_MAGIC_FEA) ||
+		    (magic == UFS_MAGIC_LFN)) {
+			dbg("magic 0x%08x(be)", magic);
+			goto found;
+		}
+		magic = le32_to_cpu(ufs->fs_magic);
+		if ((magic == UFS_MAGIC) ||
+		    (magic == UFS2_MAGIC) ||
+		    (magic == UFS_MAGIC_FEA) ||
+		    (magic == UFS_MAGIC_LFN)) {
+			dbg("magic 0x%08x(le)", magic);
+			goto found;
+		}
+	}
+	return -1;
+
+found:
+	volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
+	id->type = "ufs";
+
+	return 0;
+}
diff --git a/extras/volume_id/volume_id/ufs/ufs.h b/extras/volume_id/volume_id/ufs/ufs.h
new file mode 100644
index 0000000000..82b4e1d064
--- /dev/null
+++ b/extras/volume_id/volume_id/ufs/ufs.h
@@ -0,0 +1,26 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _VOLUME_ID_UFS_
+#define _VOLUME_ID_UFS_
+
+extern int volume_id_probe_ufs(struct volume_id *id, __u64 off);
+
+#endif
diff --git a/extras/volume_id/volume_id/util.c b/extras/volume_id/volume_id/util.c
new file mode 100644
index 0000000000..0cd2eadec1
--- /dev/null
+++ b/extras/volume_id/volume_id/util.c
@@ -0,0 +1,245 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <asm/types.h>
+
+#include "volume_id.h"
+#include "logging.h"
+#include "util.h"
+
+static char *usage_to_string(enum volume_id_usage usage_id)
+{
+	switch (usage_id) {
+	case VOLUME_ID_FILESYSTEM:
+		return "filesystem";
+	case VOLUME_ID_PARTITIONTABLE:
+		return "partitiontable";
+	case VOLUME_ID_OTHER:
+		return "other";
+	case VOLUME_ID_RAID:
+		return "raid";
+	case VOLUME_ID_DISKLABEL:
+		return "disklabel";
+	case VOLUME_ID_UNPROBED:
+		return "unprobed";
+	case VOLUME_ID_UNUSED:
+		return "unused";
+	}
+	return NULL;
+}
+
+void volume_id_set_usage_part(struct volume_id_partition *part, enum volume_id_usage usage_id)
+{
+	part->usage_id = usage_id;
+	part->usage = usage_to_string(usage_id);
+}
+
+void volume_id_set_usage(struct volume_id *id, enum volume_id_usage usage_id)
+{
+	id->usage_id = usage_id;
+	id->usage = usage_to_string(usage_id);
+}
+
+void volume_id_set_label_raw(struct volume_id *id, const __u8 *buf, unsigned int count)
+{
+	memcpy(id->label_raw, buf, count);
+	id->label_raw_len = count;
+}
+
+void volume_id_set_label_string(struct volume_id *id, const __u8 *buf, unsigned int count)
+{
+	unsigned int i;
+
+	memcpy(id->label, buf, count);
+
+	/* remove trailing whitespace */
+	i = strnlen(id->label, count);
+	while (i--) {
+		if (!isspace(id->label[i]))
+			break;
+	}
+	id->label[i+1] = '\0';
+}
+
+void volume_id_set_label_unicode16(struct volume_id *id, const __u8 *buf, enum endian endianess, unsigned int count)
+{
+	unsigned int i, j;
+	__u16 c;
+
+	j = 0;
+	for (i = 0; i + 2 <= count; i += 2) {
+		if (endianess == LE)
+			c = (buf[i+1] << 8) | buf[i];
+		else
+			c = (buf[i] << 8) | buf[i+1];
+		if (c == 0) {
+			id->label[j] = '\0';
+			break;
+		} else if (c < 0x80) {
+			id->label[j++] = (__u8) c;
+		} else if (c < 0x800) {
+			id->label[j++] = (__u8) (0xc0 | (c >> 6));
+			id->label[j++] = (__u8) (0x80 | (c & 0x3f));
+		} else {
+			id->label[j++] = (__u8) (0xe0 | (c >> 12));
+			id->label[j++] = (__u8) (0x80 | ((c >> 6) & 0x3f));
+			id->label[j++] = (__u8) (0x80 | (c & 0x3f));
+		}
+	}
+}
+
+void volume_id_set_uuid(struct volume_id *id, const __u8 *buf, enum uuid_format format)
+{
+	unsigned int i;
+	unsigned int count = 0;
+
+	switch(format) {
+	case UUID_DOS:
+		count = 4;
+		break;
+	case UUID_NTFS:
+	case UUID_HFS:
+		count = 8;
+		break;
+	case UUID_DCE:
+		count = 16;
+	}
+	memcpy(id->uuid_raw, buf, count);
+
+	/* if set, create string in the same format, the native platform uses */
+	for (i = 0; i < count; i++)
+		if (buf[i] != 0)
+			goto set;
+	return;
+
+set:
+	switch(format) {
+	case UUID_DOS:
+		sprintf(id->uuid, "%02X%02X-%02X%02X",
+			buf[3], buf[2], buf[1], buf[0]);
+		break;
+	case UUID_NTFS:
+		sprintf(id->uuid,"%02X%02X%02X%02X%02X%02X%02X%02X",
+			buf[7], buf[6], buf[5], buf[4],
+			buf[3], buf[2], buf[1], buf[0]);
+		break;
+	case UUID_HFS:
+		sprintf(id->uuid,"%02X%02X%02X%02X%02X%02X%02X%02X",
+			buf[0], buf[1], buf[2], buf[3],
+			buf[4], buf[5], buf[6], buf[7]);
+		break;
+	case UUID_DCE:
+		sprintf(id->uuid,
+			"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+			buf[0], buf[1], buf[2], buf[3],
+			buf[4], buf[5],
+			buf[6], buf[7],
+			buf[8], buf[9],
+			buf[10], buf[11], buf[12], buf[13], buf[14],buf[15]);
+		break;
+	}
+}
+
+__u8 *volume_id_get_buffer(struct volume_id *id, __u64 off, unsigned int len)
+{
+	unsigned int buf_len;
+
+	dbg("get buffer off 0x%llx(%llu), len 0x%x", off, off, len);
+	/* check if requested area fits in superblock buffer */
+	if (off + len <= SB_BUFFER_SIZE) {
+		if (id->sbbuf == NULL) {
+			id->sbbuf = malloc(SB_BUFFER_SIZE);
+			if (id->sbbuf == NULL)
+				return NULL;
+		}
+
+		/* check if we need to read */
+		if ((off + len) > id->sbbuf_len) {
+			dbg("read sbbuf len:0x%llx", off + len);
+			lseek(id->fd, 0, SEEK_SET);
+			buf_len = read(id->fd, id->sbbuf, off + len);
+			dbg("got 0x%x (%i) bytes", buf_len, buf_len);
+			id->sbbuf_len = buf_len;
+			if (buf_len < off + len)
+				return NULL;
+		}
+
+		return &(id->sbbuf[off]);
+	} else {
+		if (len > SEEK_BUFFER_SIZE) {
+			dbg("seek buffer too small %d", SEEK_BUFFER_SIZE);
+			return NULL;
+		}
+
+		/* get seek buffer */
+		if (id->seekbuf == NULL) {
+			id->seekbuf = malloc(SEEK_BUFFER_SIZE);
+			if (id->seekbuf == NULL)
+				return NULL;
+		}
+
+		/* check if we need to read */
+		if ((off < id->seekbuf_off) || ((off + len) > (id->seekbuf_off + id->seekbuf_len))) {
+			dbg("read seekbuf off:0x%llx len:0x%x", off, len);
+			if (lseek(id->fd, off, SEEK_SET) == -1)
+				return NULL;
+			buf_len = read(id->fd, id->seekbuf, len);
+			dbg("got 0x%x (%i) bytes", buf_len, buf_len);
+			id->seekbuf_off = off;
+			id->seekbuf_len = buf_len;
+			if (buf_len < len) {
+				dbg("requested 0x%x bytes, got only 0x%x bytes", len, buf_len);
+				return NULL;
+			}
+		}
+
+		return &(id->seekbuf[off - id->seekbuf_off]);
+	}
+}
+
+void volume_id_free_buffer(struct volume_id *id)
+{
+	if (id->sbbuf != NULL) {
+		free(id->sbbuf);
+		id->sbbuf = NULL;
+		id->sbbuf_len = 0;
+	}
+	if (id->seekbuf != NULL) {
+		free(id->seekbuf);
+		id->seekbuf = NULL;
+		id->seekbuf_len = 0;
+	}
+}
diff --git a/extras/volume_id/volume_id/util.h b/extras/volume_id/volume_id/util.h
new file mode 100644
index 0000000000..e5cd63e1aa
--- /dev/null
+++ b/extras/volume_id/volume_id/util.h
@@ -0,0 +1,91 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _VOLUME_ID_UTIL_
+#define _VOLUME_ID_UTIL_
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+/* size of superblock buffer, reiserfs block is at 64k */
+#define SB_BUFFER_SIZE				0x11000
+/* size of seek buffer, FAT cluster is 32k max */
+#define SEEK_BUFFER_SIZE			0x10000
+
+/* probe volume for all known filesystems in specific order */
+#define bswap16(x) (__u16)((((__u16)(x) & 0x00ffu) << 8) | \
+			   (((__u16)(x) & 0xff00u) >> 8))
+
+#define bswap32(x) (__u32)((((__u32)(x) & 0xff000000u) >> 24) | \
+			   (((__u32)(x) & 0x00ff0000u) >>  8) | \
+			   (((__u32)(x) & 0x0000ff00u) <<  8) | \
+			   (((__u32)(x) & 0x000000ffu) << 24))
+
+#define bswap64(x) (__u64)((((__u64)(x) & 0xff00000000000000ull) >> 56) | \
+			   (((__u64)(x) & 0x00ff000000000000ull) >> 40) | \
+			   (((__u64)(x) & 0x0000ff0000000000ull) >> 24) | \
+			   (((__u64)(x) & 0x000000ff00000000ull) >>  8) | \
+			   (((__u64)(x) & 0x00000000ff000000ull) <<  8) | \
+			   (((__u64)(x) & 0x0000000000ff0000ull) << 24) | \
+			   (((__u64)(x) & 0x000000000000ff00ull) << 40) | \
+			   (((__u64)(x) & 0x00000000000000ffull) << 56))
+
+#if (__BYTE_ORDER == __LITTLE_ENDIAN)
+#define le16_to_cpu(x) (x)
+#define le32_to_cpu(x) (x)
+#define le64_to_cpu(x) (x)
+#define be16_to_cpu(x) bswap16(x)
+#define be32_to_cpu(x) bswap32(x)
+#elif (__BYTE_ORDER == __BIG_ENDIAN)
+#define le16_to_cpu(x) bswap16(x)
+#define le32_to_cpu(x) bswap32(x)
+#define le64_to_cpu(x) bswap64(x)
+#define be16_to_cpu(x) (x)
+#define be32_to_cpu(x) (x)
+#endif
+
+enum uuid_format {
+	UUID_DCE,
+	UUID_DOS,
+	UUID_NTFS,
+	UUID_HFS,
+};
+
+enum endian {
+	LE = 0,
+	BE = 1
+};
+
+extern void volume_id_set_usage(struct volume_id *id, enum volume_id_usage usage_id);
+extern void volume_id_set_usage_part(struct volume_id_partition *part, enum volume_id_usage usage_id);
+extern void volume_id_set_label_raw(struct volume_id *id, const __u8 *buf, unsigned int count);
+extern void volume_id_set_label_string(struct volume_id *id, const __u8 *buf, unsigned int count);
+extern void volume_id_set_label_unicode16(struct volume_id *id, const __u8 *buf, enum endian endianess, unsigned int count);
+extern void volume_id_set_uuid(struct volume_id *id, const __u8 *buf, enum uuid_format format);
+extern __u8 *volume_id_get_buffer(struct volume_id *id, __u64 off, unsigned int len);
+extern void volume_id_free_buffer(struct volume_id *id);
+
+#endif /* _VOLUME_ID_UTIL_ */
+
diff --git a/extras/volume_id/volume_id/volume_id.c b/extras/volume_id/volume_id/volume_id.c
new file mode 100644
index 0000000000..e1d4b1c922
--- /dev/null
+++ b/extras/volume_id/volume_id/volume_id.c
@@ -0,0 +1,202 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <errno.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <asm/types.h>
+
+#include "volume_id.h"
+#include "logging.h"
+#include "util.h"
+
+#include "ext/ext.h"
+#include "reiserfs/reiserfs.h"
+#include "fat/fat.h"
+#include "hfs/hfs.h"
+#include "jfs/jfs.h"
+#include "xfs/xfs.h"
+#include "ufs/ufs.h"
+#include "ntfs/ntfs.h"
+#include "iso9660/iso9660.h"
+#include "udf/udf.h"
+#include "highpoint/highpoint.h"
+#include "linux_swap/linux_swap.h"
+#include "linux_raid/linux_raid.h"
+#include "lvm/lvm.h"
+#include "mac/mac.h"
+#include "msdos/msdos.h"
+
+int volume_id_probe_all(struct volume_id *id, unsigned long long off, unsigned long long size)
+{
+	if (id == NULL)
+		return -EINVAL;
+
+	/* probe for raid first, cause fs probes may be successful on raid members */
+	if (volume_id_probe_linux_raid(id, off, size) == 0)
+		goto exit;
+
+	if (volume_id_probe_lvm1(id, off) == 0)
+		goto exit;
+
+	if (volume_id_probe_lvm2(id, off) == 0)
+		goto exit;
+
+	if (volume_id_probe_highpoint_ataraid(id, off) == 0)
+		goto exit;
+
+	/* signature in the first block, only small buffer needed */
+	if (volume_id_probe_vfat(id, off) == 0)
+		goto exit;
+
+	if (volume_id_probe_mac_partition_map(id, off) == 0)
+		goto exit;
+
+	if (volume_id_probe_xfs(id, off) == 0)
+		goto exit;
+
+	/* fill buffer with maximum */
+	volume_id_get_buffer(id, 0, SB_BUFFER_SIZE);
+
+	if (volume_id_probe_linux_swap(id, off) == 0)
+		goto exit;
+
+	if (volume_id_probe_ext(id, off) == 0)
+		goto exit;
+
+	if (volume_id_probe_reiserfs(id, off) == 0)
+		goto exit;
+
+	if (volume_id_probe_jfs(id, off) == 0)
+		goto exit;
+
+	if (volume_id_probe_udf(id, off) == 0)
+		goto exit;
+
+	if (volume_id_probe_iso9660(id, off) == 0)
+		goto exit;
+
+	if (volume_id_probe_hfs_hfsplus(id, off) == 0)
+		goto exit;
+
+	if (volume_id_probe_ufs(id, off) == 0)
+		goto exit;
+
+	if (volume_id_probe_ntfs(id, off)  == 0)
+		goto exit;
+
+	return -1;
+
+exit:
+	/* If the filestystem in recognized, we free the allocated buffers,
+	   otherwise they will stay in place for the possible next probe call */
+	volume_id_free_buffer(id);
+
+	return 0;
+}
+
+/* open volume by already open file descriptor */
+struct volume_id *volume_id_open_fd(int fd)
+{
+	struct volume_id *id;
+
+	id = malloc(sizeof(struct volume_id));
+	if (id == NULL)
+		return NULL;
+	memset(id, 0x00, sizeof(struct volume_id));
+
+	id->fd = fd;
+
+	return id;
+}
+
+/* open volume by device node */
+struct volume_id *volume_id_open_node(const char *path)
+{
+	struct volume_id *id;
+	int fd;
+
+	fd = open(path, O_RDONLY);
+	if (fd < 0) {
+		dbg("unable to open '%s'", path);
+		return NULL;
+	}
+
+	id = volume_id_open_fd(fd);
+	if (id == NULL)
+		return NULL;
+
+	/* close fd on device close */
+	id->fd_close = 1;
+
+	return id;
+}
+
+/* open volume by major/minor */
+struct volume_id *volume_id_open_dev_t(dev_t devt)
+{
+	struct volume_id *id;
+	__u8 tmp_node[VOLUME_ID_PATH_MAX];
+
+	snprintf(tmp_node, VOLUME_ID_PATH_MAX,
+		 "/dev/.volume_id-%u-%u-%u", getpid(), major(devt), minor(devt));
+	tmp_node[VOLUME_ID_PATH_MAX] = '\0';
+
+	/* create tempory node to open the block device */
+	unlink(tmp_node);
+	if (mknod(tmp_node, (S_IFBLK | 0600), devt) != 0)
+		return NULL;
+
+	id = volume_id_open_node(tmp_node);
+
+	unlink(tmp_node);
+
+	return id;
+}
+
+void volume_id_close(struct volume_id *id)
+{
+	if (id == NULL)
+		return;
+
+	if (id->fd_close != 0)
+		close(id->fd);
+
+	volume_id_free_buffer(id);
+
+	if (id->partitions != NULL)
+		free(id->partitions);
+
+	free(id);
+}
diff --git a/extras/volume_id/volume_id.h b/extras/volume_id/volume_id/volume_id.h
index 9d66b196b7..6c25a243c3 100644
--- a/extras/volume_id/volume_id.h
+++ b/extras/volume_id/volume_id/volume_id.h
@@ -1,7 +1,7 @@
 /*
  * volume_id - reads partition label and uuid
  *
- * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
  *
  *	This library is free software; you can redistribute it and/or
  *	modify it under the terms of the GNU Lesser General Public
@@ -21,7 +21,7 @@
 #ifndef _VOLUME_ID_H_
 #define _VOLUME_ID_H_
 
-#define VOLUME_ID_VERSION		28
+#define VOLUME_ID_VERSION		31
 
 #define VOLUME_ID_LABEL_SIZE		64
 #define VOLUME_ID_UUID_SIZE		16
@@ -37,35 +37,12 @@ enum volume_id_usage {
 	VOLUME_ID_FILESYSTEM,
 	VOLUME_ID_PARTITIONTABLE,
 	VOLUME_ID_RAID,
-};
-
-enum volume_id_type {
-	VOLUME_ID_ALL,
-	VOLUME_ID_MSDOSPARTTABLE,
-	VOLUME_ID_MSDOSEXTENDED,
-	VOLUME_ID_SWAP,
-	VOLUME_ID_EXT2,
-	VOLUME_ID_EXT3,
-	VOLUME_ID_REISERFS,
-	VOLUME_ID_XFS,
-	VOLUME_ID_JFS,
-	VOLUME_ID_VFAT,
-	VOLUME_ID_UDF,
-	VOLUME_ID_ISO9660,
-	VOLUME_ID_NTFS,
-	VOLUME_ID_MACPARTMAP,
-	VOLUME_ID_HFS,
-	VOLUME_ID_HFSPLUS,
-	VOLUME_ID_UFS,
-	VOLUME_ID_LINUX_RAID,
-	VOLUME_ID_LVM1,
-	VOLUME_ID_LVM2,
-	VOLUME_ID_HPTRAID,
+	VOLUME_ID_DISKLABEL,
 };
 
 struct volume_id_partition {
 	enum		volume_id_usage usage_id;
-	enum		volume_id_type type_id;
+	char		*usage;
 	char		*type;
 	unsigned long long off;
 	unsigned long long len;
@@ -79,11 +56,13 @@ struct volume_id {
 	unsigned char	uuid_raw[VOLUME_ID_UUID_SIZE];
 	char		uuid[VOLUME_ID_UUID_STRING_SIZE];
 	enum		volume_id_usage usage_id;
-	enum		volume_id_type type_id;
+	char		*usage;
 	char		*type;
 	char		type_version[VOLUME_ID_FORMAT_SIZE];
+
 	struct volume_id_partition *partitions;
 	unsigned int	partition_count;
+
 	int		fd;
 	unsigned char	*sbbuf;
 	unsigned int	sbbuf_len;
@@ -93,20 +72,10 @@ struct volume_id {
 	int		fd_close;
 };
 
-/* open volume by already open file descriptor */
 extern struct volume_id *volume_id_open_fd(int fd);
-
-/* open volume by device node */
 extern struct volume_id *volume_id_open_node(const char *path);
-
-/* open volume by major/minor */
 extern struct volume_id *volume_id_open_dev_t(dev_t devt);
-
-/* probe volume for filesystem type and try to read label/uuid */
-extern int volume_id_probe(struct volume_id *id, enum volume_id_type type,
-			   unsigned long long off, unsigned long long size);
-
-/* free allocated device info */
+extern int volume_id_probe_all(struct volume_id *id, unsigned long long off, unsigned long long size);
 extern void volume_id_close(struct volume_id *id);
 
 #endif
diff --git a/extras/volume_id/volume_id/xfs/xfs.c b/extras/volume_id/volume_id/xfs/xfs.c
new file mode 100644
index 0000000000..b73f565eee
--- /dev/null
+++ b/extras/volume_id/volume_id/xfs/xfs.c
@@ -0,0 +1,74 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <asm/types.h>
+
+#include "../volume_id.h"
+#include "../logging.h"
+#include "../util.h"
+#include "xfs.h"
+
+int volume_id_probe_xfs(struct volume_id *id, __u64 off)
+{
+	struct xfs_super_block {
+		__u8	magic[4];
+		__u32	blocksize;
+		__u64	dblocks;
+		__u64	rblocks;
+		__u32	dummy1[2];
+		__u8	uuid[16];
+		__u32	dummy2[15];
+		__u8	fname[12];
+		__u32	dummy3[2];
+		__u64	icount;
+		__u64	ifree;
+		__u64	fdblocks;
+	} __attribute__((__packed__)) *xs;
+
+	xs = (struct xfs_super_block *) volume_id_get_buffer(id, off, 0x200);
+	if (xs == NULL)
+		return -1;
+
+	if (strncmp(xs->magic, "XFSB", 4) != 0)
+		return -1;
+
+	volume_id_set_label_raw(id, xs->fname, 12);
+	volume_id_set_label_string(id, xs->fname, 12);
+	volume_id_set_uuid(id, xs->uuid, UUID_DCE);
+
+	volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
+	id->type = "xfs";
+
+	return 0;
+}
diff --git a/extras/volume_id/volume_id/xfs/xfs.h b/extras/volume_id/volume_id/xfs/xfs.h
new file mode 100644
index 0000000000..76b1725664
--- /dev/null
+++ b/extras/volume_id/volume_id/xfs/xfs.h
@@ -0,0 +1,26 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _VOLUME_ID__
+#define _VOLUME_ID__
+
+extern int volume_id_probe_xfs(struct volume_id *id, __u64 off);
+
+#endif