in case no filesystem type was given. */
#ifndef BLKGETSIZE
+#ifndef _IO
+/* pre-1.3.45 */
#define BLKGETSIZE 0x1260 /* return device size */
+#else
+/* same on i386, m68k, arm; different on alpha, mips, sparc, ppc */
+#define BLKGETSIZE _IO(0x12,96)
+#endif
#endif
-#define MINIX_SUPER_MAGIC 0x137F /* original minix fs */
-#define MINIX_SUPER_MAGIC2 0x138F /* minix fs, 30 char names */
+#define MINIX_SUPER_MAGIC 0x137F /* minix v1, 14 char names */
+#define MINIX_SUPER_MAGIC2 0x138F /* minix v1, 30 char names */
+#define MINIX2_SUPER_MAGIC 0x2468 /* minix v2, 14 char names */
+#define MINIX2_SUPER_MAGIC2 0x2478 /* minix v2, 30 char names */
struct minix_super_block {
u_char s_dummy[16];
u_char s_magic[2];
#define EXT2_PRE_02B_MAGIC 0xEF51
#define EXT2_SUPER_MAGIC 0xEF53
+#define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x0004
struct ext2_super_block {
- u_char s_dummy[56];
- u_char s_magic[2];
+ u_char s_dummy1[56];
+ u_char s_magic[2];
+ u_char s_dummy2[34];
+ u_char s_feature_compat[4];
+ u_char s_feature_incompat[4];
+ u_char s_feature_ro_compat[4];
+ u_char s_uuid[16];
+ u_char s_volume_name[16];
+ u_char s_dummy3[88];
+ u_char s_journal_inum[4]; /* ext3 only */
};
#define ext2magic(s) ((uint) s.s_magic[0] + (((uint) s.s_magic[1]) << 8))
+struct reiserfs_super_block
+{
+ u_char s_block_count[4];
+ u_char s_free_blocks[4];
+ u_char s_root_block[4];
+ u_char s_journal_block[4];
+ u_char s_journal_dev[4];
+ u_char s_orig_journal_size[4];
+ u_char s_journal_trans_max[4];
+ u_char s_journal_block_count[4];
+ u_char s_journal_max_batch[4];
+ u_char s_journal_max_commit_age[4];
+ u_char s_journal_max_trans_age[4];
+ u_char s_blocksize[2];
+ u_char s_oid_maxsize[2];
+ u_char s_oid_cursize[2];
+ u_char s_state[2];
+ u_char s_magic[12];
+};
+#define REISERFS_SUPER_MAGIC_STRING "ReIsErFs"
+#define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs"
+#define REISERFS_DISK_OFFSET_IN_BYTES (64 * 1024)
+/* the spot for the super in versions 3.5 - 3.5.10 (inclusive) */
+#define REISERFS_OLD_DISK_OFFSET_IN_BYTES (8 * 1024)
+
#define _XIAFS_SUPER_MAGIC 0x012FD16D
struct xiafs_super_block {
u_char s_boot_segment[512]; /* 1st sector reserved for boot */
#define xiafsmagic(s) ((uint) s.s_magic[0] + (((uint) s.s_magic[1]) << 8) + \
(((uint) s.s_magic[2]) << 16) + \
(((uint) s.s_magic[3]) << 24))
+
+/* From jj@sunsite.ms.mff.cuni.cz Mon Mar 23 15:19:05 1998 */
+#define UFS_SUPER_MAGIC_LE 0x00011954
+#define UFS_SUPER_MAGIC_BE 0x54190100
+struct ufs_super_block {
+ u_char s_dummy[0x55c];
+ u_char s_magic[4];
+};
+#define ufsmagic(s) ((uint) s.s_magic[0] + (((uint) s.s_magic[1]) << 8) + \
+ (((uint) s.s_magic[2]) << 16) + \
+ (((uint) s.s_magic[3]) << 24))
+
+/* From Richard.Russon@ait.co.uk Wed Feb 24 08:05:27 1999 */
+#define NTFS_SUPER_MAGIC "NTFS"
+struct ntfs_super_block {
+ u_char s_dummy[3];
+ u_char s_magic[4];
+};
+
+/* From inspection of a few FAT filesystems - aeb */
+/* Unfortunately I find almost the same thing on an extended partition;
+ it looks like a primary has some directory entries where the extended
+ has a partition table: IO.SYS, MSDOS.SYS, WINBOOT.SYS */
+struct fat_super_block {
+ u_char s_dummy[3];
+ u_char s_os[8]; /* "MSDOS5.0" or "MSWIN4.0" or "MSWIN4.1" */
+ /* mtools-3.9.4 writes "MTOOL394" */
+ u_char s_dummy2[32];
+ u_char s_label[11]; /* for DOS? */
+ u_char s_fs[8]; /* "FAT12 " or "FAT16 " or all zero */
+ /* OS/2 BM has "FAT " here. */
+ u_char s_dummy3[9];
+ u_char s_label2[11]; /* for Windows? */
+ u_char s_fs2[8]; /* garbage or "FAT32 " */
+};
+
+#define XFS_SUPER_MAGIC "XFSB"
+struct xfs_super_block {
+ u_char s_magic[4];
+ u_char s_dummy[28];
+ u_char s_uuid[16];
+ u_char s_dummy2[60];
+ u_char s_fname[12];
+};
+
+#define CRAMFS_SUPER_MAGIC 0x28cd3d45
+struct cramfs_super_block {
+ u_char s_magic[4];
+ u_char s_dummy[12];
+ u_char s_id[16];
+};
+#define cramfsmagic(s) ((uint) s.s_magic[0] + (((uint) s.s_magic[1]) << 8) + \
+ (((uint) s.s_magic[2]) << 16) + \
+ (((uint) s.s_magic[3]) << 24))
+
+#define HFS_SUPER_MAGIC 0x4244
+struct hfs_super_block {
+ u_char s_magic[2];
+ u_char s_dummy[18];
+ u_char s_blksize[4];
+};
+#define hfsmagic(s) ((uint) s.s_magic[0] + (((uint) s.s_magic[1]) << 8))
+#define hfsblksize(s) ((uint) s.s_blksize[0] + \
+ (((uint) s.s_blksize[1]) << 8) + \
+ (((uint) s.s_blksize[2]) << 16) + \
+ (((uint) s.s_blksize[3]) << 24))
+
+#define HPFS_SUPER_MAGIC 0xf995e849
+struct hpfs_super_block {
+ u_char s_magic[4];
+ u_char s_magic2[4];
+};
+#define hpfsmagic(s) ((uint) s.s_magic[0] + (((uint) s.s_magic[1]) << 8) + \
+ (((uint) s.s_magic[2]) << 16) + \
+ (((uint) s.s_magic[3]) << 24))
+
+struct adfs_super_block {
+ u_char s_dummy[448];
+ u_char s_blksize[1];
+ u_char s_dummy2[62];
+ u_char s_checksum[1];
+};
+#define adfsblksize(s) ((uint) s.s_blksize[0])
+
+/* found in first 4 bytes of block 1 */
+struct vxfs_super_block {
+ u_char s_magic[4];
+};
+#define vxfsmagic(s) ((uint) s.s_magic[0] + (((uint) s.s_magic[1]) << 8) + \
+ (((uint) s.s_magic[2]) << 16) + \
+ (((uint) s.s_magic[3]) << 24))
+#define VXFS_SUPER_MAGIC 0xa501FCF5
+
+struct jfs_super_block {
+ char s_magic[4];
+};
+#define JFS_SUPER1_OFF 0x8000
+#define JFS_MAGIC "JFS1"
+
+#define SYSV_SUPER_MAGIC 0xfd187e20
+
+struct sysv_super_block {
+ u_char s_dummy1[504];
+ u_char s_magic[4];
+ u_char type[4];
+};
+
+#define sysvmagic(s) ((uint) s.s_magic[0] + (((uint) s.s_magic[1]) << 8) + \
+ (((uint) s.s_magic[2]) << 16) + \
+ (((uint) s.s_magic[3]) << 24))
projects / thirdparty / util-linux.git / blobdiff