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fs: import magic.h from Linux kernel 

include/linux/magic.h provides MAGIC numbers for various
file systems.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Yegor Yefremov 2016-01-26 11:38:37 +01:00 committed by Sascha Hauer
parent 0123e9f633
commit c8b37d4983
5 changed files with 85 additions and 4 deletions
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1
fs/cramfs/cramfs.c
View File

@ -34,6 +34,7 @@
#include <asm/byteorder.h>
#include <linux/stat.h>
#include <linux/magic.h>
#include <cramfs/cramfs_fs.h>
/* These two macros may change in future, to provide better st_ino

3
fs/ext4/ext4_common.c
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@ -32,6 +32,7 @@
#include <malloc.h>
#include <linux/stat.h>
#include <linux/time.h>
#include <linux/magic.h>
#include <asm/byteorder.h>
#include <dma.h>
@ -499,7 +500,7 @@ int ext4fs_mount(struct ext_filesystem *fs)
goto fail;
/* Make sure this is an ext2 filesystem. */
if (__le16_to_cpu(data->sblock.magic) != EXT2_MAGIC) {
if (__le16_to_cpu(data->sblock.magic) != EXT2_SUPER_MAGIC) {
ret = -EINVAL;
goto fail;
}

2
fs/ext4/ext_common.h
View File

@ -33,8 +33,6 @@
#define SECTOR_SIZE 0x200
#define SECTOR_BITS 9
/* Magic value used to identify an ext2 filesystem. */
#define EXT2_MAGIC 0xEF53
/* Amount of indirect blocks in an inode. */
#define INDIRECT_BLOCKS 12
/* Maximum lenght of a pathname. */

1
include/cramfs/cramfs_fs.h
View File

@ -1,7 +1,6 @@
#ifndef __CRAMFS_H
#define __CRAMFS_H
#define CRAMFS_MAGIC 0x28cd3d45 /* some random number */
#define CRAMFS_SIGNATURE "Compressed ROMFS"
/*

82
include/linux/magic.h Normal file
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@ -0,0 +1,82 @@
#ifndef __LINUX_MAGIC_H__
#define __LINUX_MAGIC_H__
#define ADFS_SUPER_MAGIC 0xadf5
#define AFFS_SUPER_MAGIC 0xadff
#define AFS_SUPER_MAGIC 0x5346414F
#define AUTOFS_SUPER_MAGIC 0x0187
#define CODA_SUPER_MAGIC 0x73757245
#define CRAMFS_MAGIC 0x28cd3d45 /* some random number */
#define CRAMFS_MAGIC_WEND 0x453dcd28 /* magic number with the wrong endianess */
#define DEBUGFS_MAGIC 0x64626720
#define SECURITYFS_MAGIC 0x73636673
#define SELINUX_MAGIC 0xf97cff8c
#define SMACK_MAGIC 0x43415d53 /* "SMAC" */
#define RAMFS_MAGIC 0x858458f6 /* some random number */
#define TMPFS_MAGIC 0x01021994
#define HUGETLBFS_MAGIC 0x958458f6 /* some random number */
#define SQUASHFS_MAGIC 0x73717368
#define ECRYPTFS_SUPER_MAGIC 0xf15f
#define EFS_SUPER_MAGIC 0x414A53
#define EXT2_SUPER_MAGIC 0xEF53
#define EXT3_SUPER_MAGIC 0xEF53
#define XENFS_SUPER_MAGIC 0xabba1974
#define EXT4_SUPER_MAGIC 0xEF53
#define BTRFS_SUPER_MAGIC 0x9123683E
#define NILFS_SUPER_MAGIC 0x3434
#define F2FS_SUPER_MAGIC 0xF2F52010
#define HPFS_SUPER_MAGIC 0xf995e849
#define ISOFS_SUPER_MAGIC 0x9660
#define JFFS2_SUPER_MAGIC 0x72b6
#define PSTOREFS_MAGIC 0x6165676C
#define EFIVARFS_MAGIC 0xde5e81e4
#define HOSTFS_SUPER_MAGIC 0x00c0ffee
#define OVERLAYFS_SUPER_MAGIC 0x794c7630
#define MINIX_SUPER_MAGIC 0x137F /* minix v1 fs, 14 char names */
#define MINIX_SUPER_MAGIC2 0x138F /* minix v1 fs, 30 char names */
#define MINIX2_SUPER_MAGIC 0x2468 /* minix v2 fs, 14 char names */
#define MINIX2_SUPER_MAGIC2 0x2478 /* minix v2 fs, 30 char names */
#define MINIX3_SUPER_MAGIC 0x4d5a /* minix v3 fs, 60 char names */
#define MSDOS_SUPER_MAGIC 0x4d44 /* MD */
#define NCP_SUPER_MAGIC 0x564c /* Guess, what 0x564c is :-) */
#define NFS_SUPER_MAGIC 0x6969
#define OPENPROM_SUPER_MAGIC 0x9fa1
#define QNX4_SUPER_MAGIC 0x002f /* qnx4 fs detection */
#define QNX6_SUPER_MAGIC 0x68191122 /* qnx6 fs detection */
#define REISERFS_SUPER_MAGIC 0x52654973 /* used by gcc */
/* used by file system utilities that
look at the superblock, etc. */
#define REISERFS_SUPER_MAGIC_STRING "ReIsErFs"
#define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs"
#define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs"
#define SMB_SUPER_MAGIC 0x517B
#define CGROUP_SUPER_MAGIC 0x27e0eb
#define CGROUP2_SUPER_MAGIC 0x63677270
#define STACK_END_MAGIC 0x57AC6E9D
#define TRACEFS_MAGIC 0x74726163
#define V9FS_MAGIC 0x01021997
#define BDEVFS_MAGIC 0x62646576
#define BINFMTFS_MAGIC 0x42494e4d
#define DEVPTS_SUPER_MAGIC 0x1cd1
#define FUTEXFS_SUPER_MAGIC 0xBAD1DEA
#define PIPEFS_MAGIC 0x50495045
#define PROC_SUPER_MAGIC 0x9fa0
#define SOCKFS_MAGIC 0x534F434B
#define SYSFS_MAGIC 0x62656572
#define USBDEVICE_SUPER_MAGIC 0x9fa2
#define MTD_INODE_FS_MAGIC 0x11307854
#define ANON_INODE_FS_MAGIC 0x09041934
#define BTRFS_TEST_MAGIC 0x73727279
#define NSFS_MAGIC 0x6e736673
#define BPF_FS_MAGIC 0xcafe4a11
#endif /* __LINUX_MAGIC_H__ */