Re: [PATCH 02/11 linux-next] exofs: use magic.h
From: Boaz Harrosh
Date: Tue May 23 2017 - 04:06:44 EST
On 05/21/2017 06:40 PM, Fabian Frederick wrote:
> Filesystems generally use SUPER_MAGIC values from magic.h
> instead of a local definition.
>
Is fine by me to move to magic.h but ...
> Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
> ---
> fs/exofs/common.h | 6 +-----
> include/uapi/linux/magic.h | 1 +
> 2 files changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/fs/exofs/common.h b/fs/exofs/common.h
> index 7d88ef5..fb988f9 100644
> --- a/fs/exofs/common.h
> +++ b/fs/exofs/common.h
> @@ -37,6 +37,7 @@
> #define __EXOFS_COM_H__
>
> #include <linux/types.h>
> +#include <linux/magic.h>
>
> #include <scsi/osd_attributes.h>
> #include <scsi/osd_initiator.h>
> @@ -79,11 +80,6 @@ enum {
> #define EXOFS_BLKSHIFT 12
> #define EXOFS_BLKSIZE (1UL << EXOFS_BLKSHIFT)
>
> -/****************************************************************************
> - * superblock-related things
> - ****************************************************************************/
Please do not remove this comment, it acts as a separator and is related to
everything up to the comment that says:
* inode-related things
And not only to this definition
Thanks
Boaz
> -#define EXOFS_SUPER_MAGIC 0x5DF5
> -
> /*
> * The file system control block - stored in object EXOFS_SUPER_ID's data.
> * This is where the in-memory superblock is stored on disk.
> diff --git a/include/uapi/linux/magic.h b/include/uapi/linux/magic.h
> index e3bb43b..1265355 100644
> --- a/include/uapi/linux/magic.h
> +++ b/include/uapi/linux/magic.h
> @@ -26,6 +26,7 @@
> #define EXT2_SUPER_MAGIC 0xEF53
> #define EXT3_SUPER_MAGIC 0xEF53
> #define EXT4_SUPER_MAGIC 0xEF53
> +#define EXOFS_SUPER_MAGIC 0x5DF5
> #define F2FS_SUPER_MAGIC 0xF2F52010
> #define FUTEXFS_SUPER_MAGIC 0xBAD1DEA
> #define HOSTFS_SUPER_MAGIC 0x00c0ffee
>