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
30  
31 #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 */
36  
37 #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 */
43  
44 #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"
50  
51 #define SMB_SUPER_MAGIC 0x517B
52 #define USBDEVICE_SUPER_MAGIC 0x9fa2
53 #define CGROUP_SUPER_MAGIC 0x27e0eb
54  
55 #define FUTEXFS_SUPER_MAGIC 0xBAD1DEA
56  
57 #define STACK_END_MAGIC 0x57AC6E9D
58  
59 #define DEVPTS_SUPER_MAGIC 0x1cd1
60 #define SOCKFS_MAGIC 0x534F434B
61  
62 #endif /* __LINUX_MAGIC_H__ */