[PATCH 3/3] fs: import magic.h from Linux kernel
yegorslists at googlemail.com
yegorslists at googlemail.com
Tue Jan 26 02:38:37 PST 2016
From: Yegor Yefremov <yegorslists at googlemail.com>
include/linux/magic.h provides MAGIC numbers for various
file systems.
Signed-off-by: Yegor Yefremov <yegorslists at googlemail.com>
---
fs/cramfs/cramfs.c | 1 +
fs/ext4/ext4_common.c | 3 +-
fs/ext4/ext_common.h | 2 --
include/cramfs/cramfs_fs.h | 1 -
include/linux/magic.h | 82 ++++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 85 insertions(+), 4 deletions(-)
create mode 100644 include/linux/magic.h
diff --git a/fs/cramfs/cramfs.c b/fs/cramfs/cramfs.c
index 97f028a..988fa7e 100644
--- a/fs/cramfs/cramfs.c
+++ b/fs/cramfs/cramfs.c
@@ -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
diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c
index 04b1915..590f54d 100644
--- a/fs/ext4/ext4_common.c
+++ b/fs/ext4/ext4_common.c
@@ -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;
}
diff --git a/fs/ext4/ext_common.h b/fs/ext4/ext_common.h
index 517a1c1..704d8e6 100644
--- a/fs/ext4/ext_common.h
+++ b/fs/ext4/ext_common.h
@@ -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. */
diff --git a/include/cramfs/cramfs_fs.h b/include/cramfs/cramfs_fs.h
index 8c53fc7..d2b67c5 100644
--- a/include/cramfs/cramfs_fs.h
+++ b/include/cramfs/cramfs_fs.h
@@ -1,7 +1,6 @@
#ifndef __CRAMFS_H
#define __CRAMFS_H
-#define CRAMFS_MAGIC 0x28cd3d45 /* some random number */
#define CRAMFS_SIGNATURE "Compressed ROMFS"
/*
diff --git a/include/linux/magic.h b/include/linux/magic.h
new file mode 100644
index 0000000..0de181a
--- /dev/null
+++ b/include/linux/magic.h
@@ -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__ */
--
2.1.4
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