Adding upstream version 1.47.0.upstream/1.47.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 852 insertions, 0 deletions

diff --git a/lib/blkid/probe.h b/lib/blkid/probe.h
new file mode 100644
index 0000000..063a5b5
--- /dev/null
+++ b/lib/blkid/probe.h
@@ -0,0 +1,852 @@
+/*
+ * probe.h - constants and on-disk structures for extracting device data
+ *
+ * Copyright (C) 1999 by Andries Brouwer
+ * Copyright (C) 1999, 2000, 2003 by Theodore Ts'o
+ * Copyright (C) 2001 by Andreas Dilger
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the
+ * GNU Lesser General Public License.
+ * %End-Header%
+ */
+
+#ifndef _BLKID_PROBE_H
+#define _BLKID_PROBE_H
+
+#include <stdint.h>
+
+#include <blkid/blkid_types.h>
+
+struct blkid_magic;
+
+#define SB_BUFFER_SIZE		0x11000
+
+struct blkid_probe {
+	int			fd;
+	blkid_cache		cache;
+	blkid_dev		dev;
+	unsigned char		*sbbuf;
+	size_t			sb_valid;
+	unsigned char		*buf;
+	size_t			buf_max;
+};
+
+typedef int (*blkid_probe_t)(struct blkid_probe *probe,
+			     struct blkid_magic *id, unsigned char *buf);
+
+struct blkid_magic {
+	const char	*bim_type;	/* type name for this magic */
+	long		bim_kboff;	/* kilobyte offset of superblock */
+	unsigned	bim_sboff;	/* byte offset within superblock */
+	unsigned	bim_len;	/* length of magic */
+	const char	*bim_magic;	/* magic string */
+	blkid_probe_t	bim_probe;	/* probe function */
+};
+
+/*
+ * Structures for each of the content types we want to extract information
+ * from.  We do not necessarily need the magic field here, because we have
+ * already identified the content type before we get this far.  It may still
+ * be useful if there are probe functions which handle multiple content types.
+ */
+struct ext2_super_block {
+	__u32		s_inodes_count;
+	__u32		s_blocks_count;
+	__u32		s_r_blocks_count;
+	__u32		s_free_blocks_count;
+	__u32		s_free_inodes_count;
+	__u32		s_first_data_block;
+	__u32		s_log_block_size;
+	__u32		s_dummy3[7];
+	unsigned char	s_magic[2];
+	__u16		s_state;
+	__u32		s_dummy5[8];
+	__u32		s_feature_compat;
+	__u32		s_feature_incompat;
+	__u32		s_feature_ro_compat;
+	unsigned char   s_uuid[16];
+	char	   s_volume_name[16];
+	char	s_last_mounted[64];
+	__u32	s_algorithm_usage_bitmap;
+	__u8	s_prealloc_blocks;
+	__u8	s_prealloc_dir_blocks;
+	__u16	s_reserved_gdt_blocks;
+	__u8	s_journal_uuid[16];
+	__u32	s_journal_inum;
+	__u32	s_journal_dev;
+	__u32	s_last_orphan;
+	__u32	s_hash_seed[4];
+	__u8	s_def_hash_version;
+	__u8	s_jnl_backup_type;
+	__u16	s_reserved_word_pad;
+	__u32	s_default_mount_opts;
+	__u32	s_first_meta_bg;
+	__u32	s_mkfs_time;
+	__u32	s_jnl_blocks[17];
+	__u32	s_blocks_count_hi;
+	__u32	s_r_blocks_count_hi;
+	__u32	s_free_blocks_hi;
+	__u16	s_min_extra_isize;
+	__u16	s_want_extra_isize;
+	__u32	s_flags;
+	__u16   s_raid_stride;
+	__u16   s_mmp_interval;
+	__u64   s_mmp_block;
+	__u32   s_raid_stripe_width;
+	__u32   s_reserved[163];
+};
+
+/* for s_flags */
+#define EXT2_FLAGS_TEST_FILESYS		0x0004
+
+/* for s_feature_compat */
+#define EXT3_FEATURE_COMPAT_HAS_JOURNAL		0x0004
+
+/* for s_feature_ro_compat */
+#define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER	0x0001
+#define EXT2_FEATURE_RO_COMPAT_LARGE_FILE	0x0002
+#define EXT2_FEATURE_RO_COMPAT_BTREE_DIR	0x0004
+#define EXT4_FEATURE_RO_COMPAT_HUGE_FILE	0x0008
+#define EXT4_FEATURE_RO_COMPAT_GDT_CSUM		0x0010
+#define EXT4_FEATURE_RO_COMPAT_DIR_NLINK	0x0020
+#define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE	0x0040
+#define EXT4_FEATURE_RO_COMPAT_QUOTA		0x0100
+#define EXT4_FEATURE_RO_COMPAT_METADATA_CSUM	0x0400
+
+/* for s_feature_incompat */
+#define EXT2_FEATURE_INCOMPAT_FILETYPE		0x0002
+#define EXT3_FEATURE_INCOMPAT_RECOVER		0x0004
+#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV	0x0008
+#define EXT2_FEATURE_INCOMPAT_META_BG		0x0010
+#define EXT4_FEATURE_INCOMPAT_EXTENTS		0x0040 /* extents support */
+#define EXT4_FEATURE_INCOMPAT_64BIT		0x0080
+#define EXT4_FEATURE_INCOMPAT_MMP		0x0100
+#define EXT4_FEATURE_INCOMPAT_FLEX_BG		0x0200
+
+#define EXT2_FEATURE_RO_COMPAT_SUPP	(EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \
+					 EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \
+					 EXT2_FEATURE_RO_COMPAT_BTREE_DIR)
+#define EXT2_FEATURE_INCOMPAT_SUPP	(EXT2_FEATURE_INCOMPAT_FILETYPE| \
+					 EXT2_FEATURE_INCOMPAT_META_BG)
+#define EXT2_FEATURE_INCOMPAT_UNSUPPORTED	~EXT2_FEATURE_INCOMPAT_SUPP
+#define EXT2_FEATURE_RO_COMPAT_UNSUPPORTED	~EXT2_FEATURE_RO_COMPAT_SUPP
+
+#define EXT3_FEATURE_RO_COMPAT_SUPP	(EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \
+					 EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \
+					 EXT2_FEATURE_RO_COMPAT_BTREE_DIR)
+#define EXT3_FEATURE_INCOMPAT_SUPP	(EXT2_FEATURE_INCOMPAT_FILETYPE| \
+					 EXT3_FEATURE_INCOMPAT_RECOVER| \
+					 EXT2_FEATURE_INCOMPAT_META_BG)
+#define EXT3_FEATURE_INCOMPAT_UNSUPPORTED	~EXT3_FEATURE_INCOMPAT_SUPP
+#define EXT3_FEATURE_RO_COMPAT_UNSUPPORTED	~EXT3_FEATURE_RO_COMPAT_SUPP
+
+
+struct xfs_super_block {
+	unsigned char	xs_magic[4];
+	__u32		xs_blocksize;
+	__u64		xs_dblocks;
+	__u64		xs_rblocks;
+	__u32		xs_dummy1[2];
+	unsigned char	xs_uuid[16];
+	__u32		xs_dummy2[15];
+	char		xs_fname[12];
+	__u32		xs_dummy3[2];
+	__u64		xs_icount;
+	__u64		xs_ifree;
+	__u64		xs_fdblocks;
+};
+
+struct reiserfs_super_block {
+	__u32		rs_blocks_count;
+	__u32		rs_free_blocks;
+	__u32		rs_root_block;
+	__u32		rs_journal_block;
+	__u32		rs_journal_dev;
+	__u32		rs_orig_journal_size;
+	__u32		rs_dummy2[5];
+	__u16		rs_blocksize;
+	__u16		rs_dummy3[3];
+	unsigned char	rs_magic[12];
+	__u32		rs_dummy4[5];
+	unsigned char	rs_uuid[16];
+	char		rs_label[16];
+};
+
+struct reiser4_super_block {
+	unsigned char	rs4_magic[16];
+	__u16		rs4_dummy[2];
+	unsigned char	rs4_uuid[16];
+	unsigned char	rs4_label[16];
+	__u64		rs4_dummy2;
+};
+
+struct jfs_super_block {
+	unsigned char	js_magic[4];
+	__u32		js_version;
+	__u64		js_size;
+	__u32		js_bsize;	/* 4: aggregate block size in bytes */
+	__u16		js_l2bsize;	/* 2: log2 of s_bsize */
+	__u16		js_l2bfactor;	/* 2: log2(s_bsize/hardware block size) */
+	__u32		js_pbsize;	/* 4: hardware/LVM block size in bytes */
+	__u16		js_l2pbsize;	/* 2: log2 of s_pbsize */
+	__u16 		js_pad;		/* 2: padding necessary for alignment */
+	__u32		js_dummy2[26];
+	unsigned char	js_uuid[16];
+	unsigned char	js_label[16];
+	unsigned char	js_loguuid[16];
+};
+
+struct romfs_super_block {
+	unsigned char	ros_magic[8];
+	__u32		ros_dummy1[2];
+	unsigned char	ros_volume[16];
+};
+
+struct cramfs_super_block {
+	__u8		magic[4];
+	__u32		size;
+	__u32		flags;
+	__u32		future;
+	__u8		signature[16];
+	struct cramfs_info {
+		__u32		crc;
+		__u32		edition;
+		__u32		blocks;
+		__u32		files;
+	} info;
+	__u8		name[16];
+};
+
+struct swap_id_block {
+/*	unsigned char	sws_boot[1024]; */
+	__u32		sws_version;
+	__u32		sws_lastpage;
+	__u32		sws_nrbad;
+	unsigned char	sws_uuid[16];
+	char		sws_volume[16];
+	unsigned char	sws_pad[117];
+	__u32		sws_badpg;
+};
+
+/* Yucky misaligned values */
+struct vfat_super_block {
+/* 00*/	unsigned char	vs_ignored[3];
+/* 03*/	unsigned char	vs_sysid[8];
+/* 0b*/	unsigned char	vs_sector_size[2];
+/* 0d*/	__u8		vs_cluster_size;
+/* 0e*/	__u16		vs_reserved;
+/* 10*/	__u8		vs_fats;
+/* 11*/	unsigned char	vs_dir_entries[2];
+/* 13*/	unsigned char	vs_sectors[2];
+/* 15*/	unsigned char	vs_media;
+/* 16*/	__u16		vs_fat_length;
+/* 18*/	__u16		vs_secs_track;
+/* 1a*/	__u16		vs_heads;
+/* 1c*/	__u32		vs_hidden;
+/* 20*/	__u32		vs_total_sect;
+/* 24*/	__u32		vs_fat32_length;
+/* 28*/	__u16		vs_flags;
+/* 2a*/	__u8		vs_version[2];
+/* 2c*/	__u32		vs_root_cluster;
+/* 30*/	__u16		vs_insfo_sector;
+/* 32*/	__u16		vs_backup_boot;
+/* 34*/	__u16		vs_reserved2[6];
+/* 40*/	unsigned char	vs_unknown[3];
+/* 43*/	unsigned char	vs_serno[4];
+/* 47*/	unsigned char	vs_label[11];
+/* 52*/	unsigned char   vs_magic[8];
+/* 5a*/	unsigned char	vs_dummy2[164];
+/*1fe*/	unsigned char	vs_pmagic[2];
+};
+
+/* Yucky misaligned values */
+struct msdos_super_block {
+/* 00*/	unsigned char	ms_ignored[3];
+/* 03*/	unsigned char	ms_sysid[8];
+/* 0b*/	unsigned char	ms_sector_size[2];
+/* 0d*/	__u8		ms_cluster_size;
+/* 0e*/	__u16		ms_reserved;
+/* 10*/	__u8		ms_fats;
+/* 11*/	unsigned char	ms_dir_entries[2];
+/* 13*/	unsigned char	ms_sectors[2];
+/* 15*/	unsigned char	ms_media;
+/* 16*/	__u16		ms_fat_length;
+/* 18*/	__u16		ms_secs_track;
+/* 1a*/	__u16		ms_heads;
+/* 1c*/	__u32		ms_hidden;
+/* 20*/	__u32		ms_total_sect;
+/* 24*/	unsigned char	ms_unknown[3];
+/* 27*/	unsigned char	ms_serno[4];
+/* 2b*/	unsigned char	ms_label[11];
+/* 36*/	unsigned char   ms_magic[8];
+/* 3d*/	unsigned char	ms_dummy2[192];
+/*1fe*/	unsigned char	ms_pmagic[2];
+};
+
+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;
+};
+
+/* maximum number of clusters */
+#define FAT12_MAX 0xFF4
+#define FAT16_MAX 0xFFF4
+#define FAT32_MAX 0x0FFFFFF6
+
+struct minix_super_block {
+	__u16		ms_ninodes;
+	__u16		ms_nzones;
+	__u16		ms_imap_blocks;
+	__u16		ms_zmap_blocks;
+	__u16		ms_firstdatazone;
+	__u16		ms_log_zone_size;
+	__u32		ms_max_size;
+	unsigned char	ms_magic[2];
+	__u16		ms_state;
+	__u32		ms_zones;
+};
+
+struct mdp_superblock_s {
+	__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;
+};
+
+struct hfs_super_block {
+	char	h_magic[2];
+	char	h_dummy[18];
+	__u32	h_blksize;
+};
+
+struct ocfs_volume_header {
+	unsigned char	minor_version[4];
+	unsigned char	major_version[4];
+	unsigned char	signature[128];
+	char		mount[128];
+	unsigned char   mount_len[2];
+};
+
+struct ocfs_volume_label {
+	unsigned char	disk_lock[48];
+	char		label[64];
+	unsigned char	label_len[2];
+	unsigned char  vol_id[16];
+	unsigned char  vol_id_len[2];
+};
+
+#define ocfsmajor(o) ((__u32)o.major_version[0] \
+                   + (((__u32) o.major_version[1]) << 8) \
+                   + (((__u32) o.major_version[2]) << 16) \
+                   + (((__u32) o.major_version[3]) << 24))
+#define ocfslabellen(o)	((__u32)o.label_len[0] + (((__u32) o.label_len[1]) << 8))
+#define ocfsmountlen(o)	((__u32)o.mount_len[0] + (((__u32) o.mount_len[1])<<8))
+
+#define OCFS_MAGIC "OracleCFS"
+
+struct ocfs2_super_block {
+	unsigned char  signature[8];
+	unsigned char  s_dummy1[184];
+	unsigned char  s_dummy2[80];
+	char	       s_label[64];
+	unsigned char  s_uuid[16];
+};
+
+#define OCFS2_MIN_BLOCKSIZE             512
+#define OCFS2_MAX_BLOCKSIZE             4096
+
+#define OCFS2_SUPER_BLOCK_BLKNO         2
+
+#define OCFS2_SUPER_BLOCK_SIGNATURE     "OCFSV2"
+
+struct oracle_asm_disk_label {
+	char dummy[32];
+	char dl_tag[8];
+	char dl_id[24];
+};
+
+#define ORACLE_ASM_DISK_LABEL_MARKED    "ORCLDISK"
+#define ORACLE_ASM_DISK_LABEL_OFFSET    32
+
+struct iso_volume_descriptor {
+	unsigned char	vd_type;
+	unsigned char	vd_id[5];
+	unsigned char	vd_version;
+	unsigned char	flags;
+	unsigned char	system_id[32];
+	unsigned char	volume_id[32];
+	unsigned char	unused[8];
+	unsigned char	space_size[8];
+	unsigned char	escape_sequences[8];
+};
+
+/* Common gfs/gfs2 constants: */
+#define GFS_MAGIC               0x01161970
+#define GFS_DEFAULT_BSIZE       4096
+#define GFS_SUPERBLOCK_OFFSET	(0x10 * GFS_DEFAULT_BSIZE)
+#define GFS_METATYPE_SB         1
+#define GFS_FORMAT_SB           100
+#define GFS_LOCKNAME_LEN        64
+
+/* gfs1 constants: */
+#define GFS_FORMAT_FS           1309
+#define GFS_FORMAT_MULTI        1401
+/* gfs2 constants: */
+#define GFS2_FORMAT_FS          1801
+#define GFS2_FORMAT_MULTI       1900
+
+struct gfs2_meta_header {
+	__u32 mh_magic;
+	__u32 mh_type;
+	__u64 __pad0;          /* Was generation number in gfs1 */
+	__u32 mh_format;
+	__u32 __pad1;          /* Was incarnation number in gfs1 */
+};
+
+struct gfs2_inum {
+	__u64 no_formal_ino;
+	__u64 no_addr;
+};
+
+struct gfs2_sb {
+	struct gfs2_meta_header sb_header;
+
+	__u32 sb_fs_format;
+	__u32 sb_multihost_format;
+	__u32  __pad0;  /* Was superblock flags in gfs1 */
+
+	__u32 sb_bsize;
+	__u32 sb_bsize_shift;
+	__u32 __pad1;   /* Was journal segment size in gfs1 */
+
+	struct gfs2_inum sb_master_dir; /* Was jindex dinode in gfs1 */
+	struct gfs2_inum __pad2; /* Was rindex dinode in gfs1 */
+	struct gfs2_inum sb_root_dir;
+
+	char sb_lockproto[GFS_LOCKNAME_LEN];
+	char sb_locktable[GFS_LOCKNAME_LEN];
+	/* In gfs1, quota and license dinodes followed */
+};
+
+struct ntfs_super_block {
+	__u8	jump[3];
+	__u8	oem_id[8];
+	__u8	bios_parameter_block[25];
+	__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];
+	__u64	volume_serial;
+	__u16	checksum;
+};
+
+struct master_file_table_record {
+	__u32	magic;
+	__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__));
+
+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__));
+
+#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
+
+/* HFS / HFS+ */
+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));
+
+
+#define HFS_NODE_LEAF			0xff
+#define HFSPLUS_POR_CNID		1
+
+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));
+
+#define HFSPLUS_EXTENT_COUNT		8
+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));
+
+
+/* this is lvm's label_header & pv_header combined. */
+
+#define LVM2_ID_LEN 32
+
+struct lvm2_pv_label_header {
+	/* label_header */
+	__u8	id[8];		/* LABELONE */
+	__u64	sector_xl;	/* Sector number of this label */
+	__u32	crc_xl;		/* From next field to end of sector */
+	__u32	offset_xl;	/* Offset from start of struct to contents */
+	__u8	type[8];	/* LVM2 001 */
+	/* pv_header */
+	__u8	pv_uuid[LVM2_ID_LEN];
+} __attribute__ ((packed));
+
+
+/*
+ * this is a very generous portion of the super block, giving us
+ * room to translate 14 chunks with 3 stripes each.
+ */
+#define BTRFS_SYSTEM_CHUNK_ARRAY_SIZE 2048
+#define BTRFS_LABEL_SIZE 256
+#define BTRFS_UUID_SIZE 16
+#define BTRFS_FSID_SIZE 16
+#define BTRFS_CSUM_SIZE 32
+
+struct btrfs_dev_item {
+	/* the internal btrfs device id */
+	__u64 devid;
+
+	/* size of the device */
+	__u64 total_bytes;
+
+	/* bytes used */
+	__u64 bytes_used;
+
+	/* optimal io alignment for this device */
+	__u32 io_align;
+
+	/* optimal io width for this device */
+	__u32 io_width;
+
+	/* minimal io size for this device */
+	__u32 sector_size;
+
+	/* type and info about this device */
+	__u64 type;
+
+	/* expected generation for this device */
+	__u64 generation;
+
+	/*
+	 * starting byte of this partition on the device,
+	 * to allow for stripe alignment in the future
+	 */
+	__u64 start_offset;
+
+	/* grouping information for allocation decisions */
+	__u32 dev_group;
+
+	/* seek speed 0-100 where 100 is fastest */
+	__u8 seek_speed;
+
+	/* bandwidth 0-100 where 100 is fastest */
+	__u8 bandwidth;
+
+	/* btrfs generated uuid for this device */
+	__u8 uuid[BTRFS_UUID_SIZE];
+
+	/* uuid of FS who owns this device */
+	__u8 fsid[BTRFS_UUID_SIZE];
+} __attribute__ ((__packed__));
+
+/*
+ * the super block basically lists the main trees of the FS
+ * it currently lacks any block count etc etc
+ */
+struct btrfs_super_block {
+	__u8 csum[BTRFS_CSUM_SIZE];
+	/* the first 3 fields must match struct btrfs_header */
+	__u8 fsid[BTRFS_FSID_SIZE];    /* FS specific uuid */
+	__u64 bytenr; /* this block number */
+	__u64 flags;
+
+	/* allowed to be different from the btrfs_header from here own down */
+	__u64 magic;
+	__u64 generation;
+	__u64 root;
+	__u64 chunk_root;
+	__u64 log_root;
+
+	/* this will help find the new super based on the log root */
+	__u64 log_root_transid;
+	__u64 total_bytes;
+	__u64 bytes_used;
+	__u64 root_dir_objectid;
+	__u64 num_devices;
+	__u32 sectorsize;
+	__u32 nodesize;
+	__u32 leafsize;
+	__u32 stripesize;
+	__u32 sys_chunk_array_size;
+	__u64 chunk_root_generation;
+	__u64 compat_flags;
+	__u64 compat_ro_flags;
+	__u64 incompat_flags;
+	__u16 csum_type;
+	__u8 root_level;
+	__u8 chunk_root_level;
+	__u8 log_root_level;
+	struct btrfs_dev_item dev_item;
+
+	char label[BTRFS_LABEL_SIZE];
+
+	/* future expansion */
+	__u64 reserved[32];
+	__u8 sys_chunk_array[BTRFS_SYSTEM_CHUNK_ARRAY_SIZE];
+} __attribute__ ((__packed__));
+
+#define F2FS_MAX_EXTENSION      64  /* # of extension entries */
+
+struct f2fs_super_block {
+    __u32 magic;           /* Magic Number */
+    __u16 major_ver;       /* Major Version */
+    __u16 minor_ver;       /* Minor Version */
+    __u32 log_sectorsize;      /* log2 sector size in bytes */
+    __u32 log_sectors_per_block;   /* log2 # of sectors per block */
+    __u32 log_blocksize;       /* log2 block size in bytes */
+    __u32 log_blocks_per_seg;  /* log2 # of blocks per segment */
+    __u32 segs_per_sec;        /* # of segments per section */
+    __u32 secs_per_zone;       /* # of sections per zone */
+    __u32 checksum_offset;     /* checksum offset inside super block */
+    __u64 block_count;     /* total # of user blocks */
+    __u32 section_count;       /* total # of sections */
+    __u32 segment_count;       /* total # of segments */
+    __u32 segment_count_ckpt;  /* # of segments for checkpoint */
+    __u32 segment_count_sit;   /* # of segments for SIT */
+    __u32 segment_count_nat;   /* # of segments for NAT */
+    __u32 segment_count_ssa;   /* # of segments for SSA */
+    __u32 segment_count_main;  /* # of segments for main area */
+    __u32 segment0_blkaddr;    /* start block address of segment 0 */
+    __u32 cp_blkaddr;      /* start block address of checkpoint */
+    __u32 sit_blkaddr;     /* start block address of SIT */
+    __u32 nat_blkaddr;     /* start block address of NAT */
+    __u32 ssa_blkaddr;     /* start block address of SSA */
+    __u32 main_blkaddr;        /* start block address of main area */
+    __u32 root_ino;        /* root inode number */
+    __u32 node_ino;        /* node inode number */
+    __u32 meta_ino;        /* meta inode number */
+    __u8 uuid[16];          /* 128-bit uuid for volume */
+    __u16 volume_name[512];    /* volume name */
+    __u32 extension_count;     /* # of extensions below */
+    __u8 extension_list[F2FS_MAX_EXTENSION][8]; /* extension array */
+} __attribute__((__packed__));
+
+struct exfat_super_block {
+    uint8_t jump[3];
+    uint8_t oem_name[8];
+    uint8_t __unused1[53];
+    uint64_t block_start;
+    uint64_t block_count;
+    uint32_t fat_block_start;
+    uint32_t fat_block_count;
+    uint32_t cluster_block_start;
+    uint32_t cluster_count;
+    uint32_t rootdir_cluster;
+    uint8_t volume_serial[4];
+    struct {
+        uint8_t vermin;
+        uint8_t vermaj;
+    } version;
+    uint16_t volume_state;
+    uint8_t block_bits;
+    uint8_t bpc_bits;
+    uint8_t fat_count;
+    uint8_t drive_no;
+    uint8_t allocated_percent;
+} __attribute__((__packed__));
+
+struct exfat_entry_label {
+    uint8_t type;
+    uint8_t length;
+    uint8_t name[30];
+} __attribute__((__packed__));
+
+#define BLOCK_SIZE(sb)   (1 << (sb)->block_bits)
+#define CLUSTER_SIZE(sb) (BLOCK_SIZE(sb) << (sb)->bpc_bits)
+
+#define EXFAT_FIRST_DATA_CLUSTER 2
+#define EXFAT_LAST_DATA_CLUSTER  0xffffff6
+#define EXFAT_ENTRY_SIZE         32
+
+#define EXFAT_ENTRY_EOD   0x00
+#define EXFAT_ENTRY_LABEL 0x83
+
+/*
+ * Byte swap functions
+ */
+#ifdef __GNUC__
+#define _INLINE_ static __inline__
+#else				/* For Watcom C */
+#define _INLINE_ static inline
+#endif
+
+_INLINE_  __u16 blkid_swab16(__u16 val)
+{
+	return (val >> 8) | (val << 8);
+}
+
+_INLINE_ __u32 blkid_swab32(__u32 val)
+{
+	return ((val>>24) | ((val>>8)&0xFF00) |
+		((val<<8)&0xFF0000) | (val<<24));
+}
+
+_INLINE_ __u64 blkid_swab64(__u64 val)
+{
+	return (blkid_swab32(val >> 32) |
+		(((__u64) blkid_swab32(val & 0xFFFFFFFFUL)) << 32));
+}
+
+#ifdef WORDS_BIGENDIAN
+#define blkid_le16(x) blkid_swab16(x)
+#define blkid_le32(x) blkid_swab32(x)
+#define blkid_le64(x) blkid_swab64(x)
+#define blkid_be16(x) (x)
+#define blkid_be32(x) (x)
+#define blkid_be64(x) (x)
+#else
+#define blkid_le16(x) (x)
+#define blkid_le32(x) (x)
+#define blkid_le64(x) (x)
+#define blkid_be16(x) blkid_swab16(x)
+#define blkid_be32(x) blkid_swab32(x)
+#define blkid_be64(x) blkid_swab64(x)
+#endif
+
+#undef _INLINE_
+
+#endif /* _BLKID_PROBE_H */