Re: [PATCH] fstests: fix failures caused by striped device

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On Sat, Oct 01, 2016 at 11:48:54PM +0800, Zorro Lang wrote:
> There're some failures if scratch_dev is a  striped device:
>   1. generic/094 and generic/225 fiemap_tester fails.
>   2. generic/347 need -f to force usage of a misaligned device
>   3. xfs/010, xfs/013, xfs/042 and xfs/109 print "Warning: AG size
>      is a multiple of stripe width", break the golden image
>   4. xfs/029 print more "extended-header"
> 
> Only XFS can reproduce these failures, so this patch:
>   1. use "-d sunit=0,swidth=0,noalign" options for generic/094,
>      generic/225 and xfs/029.

I'm not sure about this, is it possible to update fiemap_tester.c to
deal with stripes or just _notrun in such cases? I'm waiting for great
ideas too :)

>   2. print the error output of mkfs.xfs to /dev/null forr xfs/010,
>      xfs/013, xfs/042 and xfs/109

This looks good to me.

>   3. add -f option for generic/347

And this breaks test on ext4, not all mkfs.<fstype> support -f option.

Thanks,
Eryu
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