Re: [PATCH 02/23] xfs: use uuid_be to implement the uuid_t type

[Darrick J. Wong]

On Thu, May 18, 2017 at 08:26:44AM +0200, Christoph Hellwig wrote:
> Use the generic Linux definition to implement our UUID type, this will
> allow using more generic infrastructure in the future.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>

--D

> ---
>  fs/xfs/uuid.h      | 4 ----
>  fs/xfs/xfs_linux.h | 3 +++
>  2 files changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/fs/xfs/uuid.h b/fs/xfs/uuid.h
> index 104db0f3bed6..4f1441ba4fa5 100644
> --- a/fs/xfs/uuid.h
> +++ b/fs/xfs/uuid.h
> @@ -18,10 +18,6 @@
>  #ifndef __XFS_SUPPORT_UUID_H__
>  #define __XFS_SUPPORT_UUID_H__
>  
> -typedef struct {
> -	unsigned char	__u_bits[16];
> -} uuid_t;
> -
>  extern int uuid_is_nil(uuid_t *uuid);
>  extern int uuid_equal(uuid_t *uuid1, uuid_t *uuid2);
>  extern void uuid_getnodeuniq(uuid_t *uuid, int fsid [2]);
> diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h
> index 044fb0e15390..89ee5ec66837 100644
> --- a/fs/xfs/xfs_linux.h
> +++ b/fs/xfs/xfs_linux.h
> @@ -19,6 +19,7 @@
>  #define __XFS_LINUX__
>  
>  #include <linux/types.h>
> +#include <linux/uuid.h>
>  
>  /*
>   * Kernel specific type declarations for XFS
> @@ -38,6 +39,8 @@ typedef __s64			xfs_daddr_t;	/* <disk address> type */
>  typedef __u32			xfs_dev_t;
>  typedef __u32			xfs_nlink_t;
>  
> +typedef uuid_be			uuid_t;
> +
>  #include "xfs_types.h"
>  
>  #include "kmem.h"
> -- 
> 2.11.0
> 
> --
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