[PATCH] mkfs: fix mkfs when blkid fails

[Alex Elder]

Eric Sandeen wrote:
> When trying to mkfs something that blkid doesn't grok:
> 
> # mkfs.xfs fsfile
> warning: unable to probe device toplology for device fsfile
> illegal sector size 0
> Usage: mkfs.xfs
> ...
> 
> mkfs fails.  :(

The fix looks good.

> Brown-paper-bag: Eric Sandeen <sandeen at sandeen.net>
> Signed-off-by: Eric Sandeen <sandeen at sandeen.net>
> ---

Reviewed-by: Alex Elder <aelder at sgi.com>


> diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
> index 9a8eff3..faaafed 100644
> --- a/mkfs/xfs_mkfs.c
> +++ b/mkfs/xfs_mkfs.c
> @@ -1574,7 +1574,7 @@ main(
>  		 * Unless specified manually on the command line use the
>  		 * advertised sector size of the device.
>  		 */
> -		sectorsize = ft.sectorsize;
> +		sectorsize = ft.sectorsize ? ft.sectorsize : XFS_MIN_SECTORSIZE;
>  	}
> 
>  	if (ft.sectoralign || !ssflag) {
> 
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