Re: [PATCH v2 1/3] include/linux.h: use linux/magic.h to get XFS_SUPER_MAGIC

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On Thu, Dec 19, 2024 at 06:09:13PM +0530, Ojaswin Mujoo wrote:
> This avoids open coding the magic number
> 
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
> Signed-off-by: Ojaswin Mujoo <ojaswin@xxxxxxxxxxxxx>

Looks reasonable,
Reviewed-by: "Darrick J. Wong" <djwong@xxxxxxxxxx>

--D

> ---
>  include/linux.h | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/include/linux.h b/include/linux.h
> index e9eb7bfb26a1..b3516d54c51b 100644
> --- a/include/linux.h
> +++ b/include/linux.h
> @@ -37,6 +37,7 @@
>  #endif
>  #include <unistd.h>
>  #include <assert.h>
> +#include <linux/magic.h> /* super block magic numbers */
>  
>  static __inline__ int xfsctl(const char *path, int fd, int cmd, void *p)
>  {
> @@ -60,7 +61,7 @@ static __inline__ int platform_test_xfs_fd(int fd)
>  		return 0;
>  	if (!S_ISREG(statbuf.st_mode) && !S_ISDIR(statbuf.st_mode))
>  		return 0;
> -	return (statfsbuf.f_type == 0x58465342);	/* XFSB */
> +	return statfsbuf.f_type == XFS_SUPER_MAGIC;
>  }
>  
>  static __inline__ int platform_test_xfs_path(const char *path)
> -- 
> 2.43.5
> 
> 




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