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> Reviewed-by: 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 */ _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html