Linux文件系统superBlock中的magic

                     1 在include/linux/magic.h文件里有所有的fs magic。不算太有规律，加的时候别冲突就行了
 2#ifndef __LINUX_MAGIC_H__
 3#define __LINUX_MAGIC_H__
 4 5#define ADFS_SUPER_MAGIC 0xadf5
 6#define AFFS_SUPER_MAGIC 0xadff
 7#define AFS_SUPER_MAGIC                0x5346414F
 8#define AUTOFS_SUPER_MAGIC 0x0187
 9#define CODA_SUPER_MAGIC 0x73757245
10#define CRAMFS_MAGIC 0x28cd3d45 /* some random number */
11#define CRAMFS_MAGIC_WEND 0x453dcd28 /* magic number with the wrong endianess */
12#define DEBUGFS_MAGIC          0x64626720
13#define SYSFS_MAGIC 0x62656572
14#define SECURITYFS_MAGIC 0x73636673
15#define SELINUX_MAGIC 0xf97cff8c
16#define RAMFS_MAGIC 0x858458f6 /* some random number */
17#define TMPFS_MAGIC 0x01021994
18#define HUGETLBFS_MAGIC  0x958458f6 /* some random number */
19#define SQUASHFS_MAGIC 0x73717368
20#define EFS_SUPER_MAGIC 0x414A53
21#define EXT2_SUPER_MAGIC 0xEF53
22#define EXT3_SUPER_MAGIC 0xEF53
23#define XENFS_SUPER_MAGIC 0xabba1974
24#define EXT4_SUPER_MAGIC 0xEF53
25#define BTRFS_SUPER_MAGIC 0x9123683E
26#define HPFS_SUPER_MAGIC 0xf995e849
27#define ISOFS_SUPER_MAGIC 0x9660
28#define JFFS2_SUPER_MAGIC 0x72b6
29#define ANON_INODE_FS_MAGIC 0x09041934
3031#define MINIX_SUPER_MAGIC 0x137F /* original minix fs */
32#define MINIX_SUPER_MAGIC2 0x138F /* minix fs, 30 char names */
33#define MINIX2_SUPER_MAGIC 0x2468 /* minix V2 fs */
34#define MINIX2_SUPER_MAGIC2 0x2478 /* minix V2 fs, 30 char names */
35#define MINIX3_SUPER_MAGIC 0x4d5a /* minix V3 fs */
3637#define MSDOS_SUPER_MAGIC 0x4d44 /* MD */
38#define NCP_SUPER_MAGIC 0x564c /* Guess, what 0x564c is :-) */
39#define NFS_SUPER_MAGIC 0x6969
40#define OPENPROM_SUPER_MAGIC 0x9fa1
41#define PROC_SUPER_MAGIC 0x9fa0
42#define QNX4_SUPER_MAGIC 0x002f /* qnx4 fs detection */
4344#define REISERFS_SUPER_MAGIC 0x52654973 /* used by gcc */
45/* used by file system utilities that
46                                   look at the superblock, etc.  */47#define REISERFS_SUPER_MAGIC_STRING "ReIsErFs"
48#define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs"
49#define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs"
5051#define SMB_SUPER_MAGIC 0x517B
52#define USBDEVICE_SUPER_MAGIC 0x9fa2
53#define CGROUP_SUPER_MAGIC 0x27e0eb
5455#define FUTEXFS_SUPER_MAGIC 0xBAD1DEA
5657#define STACK_END_MAGIC 0x57AC6E9D
5859#define DEVPTS_SUPER_MAGIC 0x1cd1
60#define SOCKFS_MAGIC 0x534F434B
6162#endif /* __LINUX_MAGIC_H__ */