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Date: Wed, 18 Jan 2012 20:31:03 -0500
From: Muthu Kumar <muthu.lkml@...il.com>
To: torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
dwmw2@...radead.org, viro@...iv.linux.org.uk, axboe@...nel.dk,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Update magic.h with some pseudofs magic.
[ This time with linux-kernel ml. Sorry for the duplicate ].
While looking at bdevfs noticed that magic.h is not up to date with
some pseudofs magic. This patch updates it.
Signed-off-by: Muthukumar R <muthur@...il.com>
-------
drivers/mtd/mtdchar.c | 2 +-
fs/binfmt_misc.c | 3 ++-
fs/block_dev.c | 3 ++-
fs/pipe.c | 1 +
include/linux/magic.h | 18 ++++++++++++------
include/linux/pipe_fs_i.h | 2 --
6 files changed, 18 insertions(+), 11 deletions(-)
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 50c6a1e..c57ae92 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -31,13 +31,13 @@
#include <linux/compat.h>
#include <linux/mount.h>
#include <linux/blkpg.h>
+#include <linux/magic.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/map.h>
#include <asm/uaccess.h>
-#define MTD_INODE_FS_MAGIC 0x11307854
static DEFINE_MUTEX(mtd_mutex);
static struct vfsmount *mtd_inode_mnt __read_mostly;
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index a9198df..88eb813 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -19,6 +19,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/sched.h>
+#include <linux/magic.h>
#include <linux/binfmts.h>
#include <linux/slab.h>
#include <linux/ctype.h>
@@ -699,7 +700,7 @@ static int bm_fill_super(struct super_block * sb,
void * data, int silent)
[3] = {"register", &bm_register_operations, S_IWUSR},
/* last one */ {""}
};
- int err = simple_fill_super(sb, 0x42494e4d, bm_files);
+ int err = simple_fill_super(sb, BINFMTFS_MAGIC, bm_files);
if (!err)
sb->s_op = &s_ops;
return err;
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 0e575d1..cfd4c13 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -16,6 +16,7 @@
#include <linux/blkdev.h>
#include <linux/module.h>
#include <linux/blkpg.h>
+#include <linux/magic.h>
#include <linux/buffer_head.h>
#include <linux/swap.h>
#include <linux/pagevec.h>
@@ -506,7 +507,7 @@ static const struct super_operations bdev_sops = {
static struct dentry *bd_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
{
- return mount_pseudo(fs_type, "bdev:", &bdev_sops, NULL, 0x62646576);
+ return mount_pseudo(fs_type, "bdev:", &bdev_sops, NULL, BDEVFS_MAGIC);
}
static struct file_system_type bd_type = {
diff --git a/fs/pipe.c b/fs/pipe.c
index a932ced..c2f4490 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -13,6 +13,7 @@
#include <linux/fs.h>
#include <linux/log2.h>
#include <linux/mount.h>
+#include <linux/magic.h>
#include <linux/pipe_fs_i.h>
#include <linux/uio.h>
#include <linux/highmem.h>
diff --git a/include/linux/magic.h b/include/linux/magic.h
index 2d4beab..b4a8d44 100644
--- a/include/linux/magic.h
+++ b/include/linux/magic.h
@@ -9,7 +9,6 @@
#define CRAMFS_MAGIC 0x28cd3d45 /* some random number */
#define CRAMFS_MAGIC_WEND 0x453dcd28 /* magic number with the wrong
endianess */
#define DEBUGFS_MAGIC 0x64626720
-#define SYSFS_MAGIC 0x62656572
#define SECURITYFS_MAGIC 0x73636673
#define SELINUX_MAGIC 0xf97cff8c
#define RAMFS_MAGIC 0x858458f6 /* some random number */
@@ -27,7 +26,6 @@
#define HPFS_SUPER_MAGIC 0xf995e849
#define ISOFS_SUPER_MAGIC 0x9660
#define JFFS2_SUPER_MAGIC 0x72b6
-#define ANON_INODE_FS_MAGIC 0x09041934
#define PSTOREFS_MAGIC 0x6165676C
#define MINIX_SUPER_MAGIC 0x137F /* minix v1 fs, 14 char names */
@@ -40,7 +38,6 @@
#define NCP_SUPER_MAGIC 0x564c /* Guess, what 0x564c is :-) */
#define NFS_SUPER_MAGIC 0x6969
#define OPENPROM_SUPER_MAGIC 0x9fa1
-#define PROC_SUPER_MAGIC 0x9fa0
#define QNX4_SUPER_MAGIC 0x002f /* qnx4 fs detection */
#define REISERFS_SUPER_MAGIC 0x52654973 /* used by gcc */
@@ -51,15 +48,24 @@
#define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs"
#define SMB_SUPER_MAGIC 0x517B
-#define USBDEVICE_SUPER_MAGIC 0x9fa2
#define CGROUP_SUPER_MAGIC 0x27e0eb
-#define FUTEXFS_SUPER_MAGIC 0xBAD1DEA
#define STACK_END_MAGIC 0x57AC6E9D
+#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 V9FS_MAGIC 0x01021997
+#define SYSFS_MAGIC 0x62656572
+#define USBDEVICE_SUPER_MAGIC 0x9fa2
+#define MTD_INODE_FS_MAGIC 0x11307854
+#define ANON_INODE_FS_MAGIC 0x09041934
+
#endif /* __LINUX_MAGIC_H__ */
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index 77257c9..6d626ff 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -1,8 +1,6 @@
#ifndef _LINUX_PIPE_FS_I_H
#define _LINUX_PIPE_FS_I_H
-#define PIPEFS_MAGIC 0x50495045
-
#define PIPE_DEF_BUFFERS 16
#define PIPE_BUF_FLAG_LRU 0x01 /* page is on the LRU */
View attachment "magic.diff" of type "text/x-patch" (4430 bytes)
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