The patch titled
Subject: ocfs2: use magic.h
has been added to the -mm tree. Its filename is
ocfs2-use-magich.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/ocfs2-use-magich.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/ocfs2-use-magich.patch
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------------------------------------------------------
From: Fabian Frederick <fabf@xxxxxxxxx>
Subject: ocfs2: use magic.h
Filesystems generally use SUPER_MAGIC values from magic.h instead of a
local definition.
Link: http://lkml.kernel.org/r/20170521154217.27917-1-fabf@xxxxxxxxx
Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
Cc: Mark Fasheh <mfasheh@xxxxxxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Cc: Junxiao Bi <junxiao.bi@xxxxxxxxxx>
Cc: Joseph Qi <jiangqi903@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ocfs2/ocfs2_fs.h | 5 ++---
include/uapi/linux/magic.h | 1 +
2 files changed, 3 insertions(+), 3 deletions(-)
diff -puN fs/ocfs2/ocfs2_fs.h~ocfs2-use-magich fs/ocfs2/ocfs2_fs.h
--- a/fs/ocfs2/ocfs2_fs.h~ocfs2-use-magich
+++ a/fs/ocfs2/ocfs2_fs.h
@@ -25,6 +25,8 @@
#ifndef _OCFS2_FS_H
#define _OCFS2_FS_H
+#include <linux/magic.h>
+
/* Version */
#define OCFS2_MAJOR_REV_LEVEL 0
#define OCFS2_MINOR_REV_LEVEL 90
@@ -56,9 +58,6 @@
#define OCFS2_MIN_BLOCKSIZE 512
#define OCFS2_MAX_BLOCKSIZE OCFS2_MIN_CLUSTERSIZE
-/* Filesystem magic number */
-#define OCFS2_SUPER_MAGIC 0x7461636f
-
/* Object signatures */
#define OCFS2_SUPER_BLOCK_SIGNATURE "OCFSV2"
#define OCFS2_INODE_SIGNATURE "INODE01"
diff -puN include/uapi/linux/magic.h~ocfs2-use-magich include/uapi/linux/magic.h
--- a/include/uapi/linux/magic.h~ocfs2-use-magich
+++ a/include/uapi/linux/magic.h
@@ -42,6 +42,7 @@
#define MSDOS_SUPER_MAGIC 0x4d44 /* MD */
#define NCP_SUPER_MAGIC 0x564c /* Guess, what 0x564c is :-) */
#define NFS_SUPER_MAGIC 0x6969
+#define OCFS2_SUPER_MAGIC 0x7461636f
#define OPENPROM_SUPER_MAGIC 0x9fa1
#define QNX4_SUPER_MAGIC 0x002f /* qnx4 fs detection */
#define QNX6_SUPER_MAGIC 0x68191122 /* qnx6 fs detection */
_
Patches currently in -mm which might be from fabf@xxxxxxxxx are
ocfs2-use-magich.patch
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