The patch titled
change inotifyfs magic as the same magic is used for futexfs
has been added to the -mm tree. Its filename is
change-inotifyfs-magic-as-the-same-magic-is-used-for-futexfs-v2.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: change inotifyfs magic as the same magic is used for futexfs
From: Andrey Mirkin <major@xxxxxxxxxx>
Right now futexfs and inotifyfs have one magic 0xBAD1DEA, that looks a
little bit confusing. Use 0xBAD1DEA as magic for futexfs and 0x2BAD1DEA as
magic for inotifyfs.
Signed-off-by: Andrey Mirkin <major@xxxxxxxxxx>
Acked-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
diff -puN fs/inotify_user.c~change-inotifyfs-magic-as-the-same-magic-is-used-for-futexfs-v2 fs/inotify_user.c
--- a/fs/inotify_user.c~change-inotifyfs-magic-as-the-same-magic-is-used-for-futexfs-v2
+++ a/fs/inotify_user.c
@@ -31,6 +31,7 @@
#include <linux/list.h>
#include <linux/inotify.h>
#include <linux/syscalls.h>
+#include <linux/magic.h>
#include <asm/ioctls.h>
@@ -684,7 +685,8 @@ static int
inotify_get_sb(struct file_system_type *fs_type, int flags,
const char *dev_name, void *data, struct vfsmount *mnt)
{
- return get_sb_pseudo(fs_type, "inotify", NULL, 0xBAD1DEA, mnt);
+ return get_sb_pseudo(fs_type, "inotify", NULL,
+ INOTIFYFS_SUPER_MAGIC, mnt);
}
static struct file_system_type inotify_fs_type = {
diff -puN include/linux/magic.h~change-inotifyfs-magic-as-the-same-magic-is-used-for-futexfs-v2 include/linux/magic.h
--- a/include/linux/magic.h~change-inotifyfs-magic-as-the-same-magic-is-used-for-futexfs-v2
+++ a/include/linux/magic.h
@@ -40,4 +40,7 @@
#define SMB_SUPER_MAGIC 0x517B
#define USBDEVICE_SUPER_MAGIC 0x9fa2
+#define FUTEXFS_SUPER_MAGIC 0xBAD1DEA
+#define INOTIFYFS_SUPER_MAGIC 0x2BAD1DEA
+
#endif /* __LINUX_MAGIC_H__ */
diff -puN kernel/futex.c~change-inotifyfs-magic-as-the-same-magic-is-used-for-futexfs-v2 kernel/futex.c
--- a/kernel/futex.c~change-inotifyfs-magic-as-the-same-magic-is-used-for-futexfs-v2
+++ a/kernel/futex.c
@@ -52,6 +52,7 @@
#include <linux/syscalls.h>
#include <linux/signal.h>
#include <linux/module.h>
+#include <linux/magic.h>
#include <asm/futex.h>
#include "rtmutex_common.h"
@@ -2074,7 +2075,7 @@ static int futexfs_get_sb(struct file_sy
int flags, const char *dev_name, void *data,
struct vfsmount *mnt)
{
- return get_sb_pseudo(fs_type, "futex", NULL, 0xBAD1DEA, mnt);
+ return get_sb_pseudo(fs_type, "futex", NULL, FUTEXFS_SUPER_MAGIC, mnt);
}
static struct file_system_type futex_fs_type = {
_
Patches currently in -mm which might be from major@xxxxxxxxxx are
change-inotifyfs-magic-as-the-same-magic-is-used-for-futexfs-v2.patch
-
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