ramfs: move RAMFS_MAGIC to include/linux/magic.h

initramfs userspace likes to use this magic number.

Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Signed-off-by: maximilian attems <max@stro.at>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
index a7f0110fca4c546eb6c4941d513fb0983082560f..a6090aa1a7c138e31fd71eb3b99b8f9c3cbc6ab4 100644 (file)
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -34,12 +34,10 @@
 #include <linux/ramfs.h>
 #include <linux/sched.h>
 #include <linux/parser.h>
+#include <linux/magic.h>
 #include <asm/uaccess.h>
 #include "internal.h"
 
-/* some random number */
-#define RAMFS_MAGIC    0x858458f6
-
 #define RAMFS_DEFAULT_MODE     0755
 
 static const struct super_operations ramfs_ops;

diff --git a/include/linux/magic.h b/include/linux/magic.h
index bce37786a0a57d19b7c8c64a653e13b4a025dacd..76285e01b39ee1641336989ea99d727272645d0b 100644 (file)
--- a/include/linux/magic.h
+++ b/include/linux/magic.h
@@ -12,6 +12,7 @@
 #define SYSFS_MAGIC            0x62656572
 #define SECURITYFS_MAGIC       0x73636673
 #define SELINUX_MAGIC          0xf97cff8c
+#define RAMFS_MAGIC            0x858458f6      /* some random number */
 #define TMPFS_MAGIC            0x01021994
 #define HUGETLBFS_MAGIC        0x958458f6      /* some random number */
 #define SQUASHFS_MAGIC         0x73717368