[PATCH] exfat: move super block magic number to magic.h

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Move exfat superblock magic number from local definition to magic.h. 
It is also needed by userspace programs that call fstatfs().

Signed-off-by: Namjae Jeon <linkinjeon@xxxxxxxxxx>
---
 fs/exfat/exfat_fs.h        | 1 -
 fs/exfat/super.c           | 1 +
 include/uapi/linux/magic.h | 1 +
 3 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
index a8f5bc536dcf..9665fa0b2d56 100644
--- a/fs/exfat/exfat_fs.h
+++ b/fs/exfat/exfat_fs.h
@@ -10,7 +10,6 @@
 #include <linux/ratelimit.h>
 #include <linux/nls.h>
 
-#define EXFAT_SUPER_MAGIC       0x2011BAB0UL
 #define EXFAT_ROOT_INO		1
 
 #define EXFAT_CLUSTERS_UNTRACKED (~0u)
diff --git a/fs/exfat/super.c b/fs/exfat/super.c
index 4b5d02b1df58..8c9fb7dcec16 100644
--- a/fs/exfat/super.c
+++ b/fs/exfat/super.c
@@ -17,6 +17,7 @@
 #include <linux/iversion.h>
 #include <linux/nls.h>
 #include <linux/buffer_head.h>
+#include <linux/magic.h>
 
 #include "exfat_raw.h"
 #include "exfat_fs.h"
diff --git a/include/uapi/linux/magic.h b/include/uapi/linux/magic.h
index 35687dcb1a42..8ab81ea13424 100644
--- a/include/uapi/linux/magic.h
+++ b/include/uapi/linux/magic.h
@@ -43,6 +43,7 @@
 #define MINIX3_SUPER_MAGIC	0x4d5a		/* minix v3 fs, 60 char names */
 
 #define MSDOS_SUPER_MAGIC	0x4d44		/* MD */
+#define EXFAT_SUPER_MAGIC	0x2011BAB0
 #define NCP_SUPER_MAGIC		0x564c		/* Guess, what 0x564c is :-) */
 #define NFS_SUPER_MAGIC		0x6969
 #define OCFS2_SUPER_MAGIC	0x7461636f
-- 
2.17.1




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