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authorAndrey Mirkin <major@openvz.org>2007-10-16 23:30:13 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 08:43:00 -0700
commitfd5eea4214f72bd7ac77c1c5346a9c096319131a (patch)
treea92c7d1ac79a59777be72fbfdb16d4a410df6de6
parent4f9a58d75bfe82ab2b8ba5b8506dfb190a267834 (diff)
change inotifyfs magic as the same magic is used for futexfs
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@openvz.org> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/inotify_user.c4
-rw-r--r--include/linux/magic.h3
-rw-r--r--kernel/futex.c3
3 files changed, 8 insertions, 2 deletions
diff --git a/fs/inotify_user.c b/fs/inotify_user.c
index 9bf2f6c09df..5e009331c01 100644
--- a/fs/inotify_user.c
+++ b/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 --git a/include/linux/magic.h b/include/linux/magic.h
index 36cc20dfd14..722d4755060 100644
--- a/include/linux/magic.h
+++ b/include/linux/magic.h
@@ -38,4 +38,7 @@
#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 --git a/kernel/futex.c b/kernel/futex.c
index fcc94e7b408..d725676d84f 100644
--- a/kernel/futex.c
+++ b/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"
@@ -2080,7 +2081,7 @@ static int futexfs_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, "futex", NULL, 0xBAD1DEA, mnt);
+ return get_sb_pseudo(fs_type, "futex", NULL, FUTEXFS_SUPER_MAGIC, mnt);
}
static struct file_system_type futex_fs_type = {