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Date:   Mon, 2 Aug 2021 00:03:43 +0800
From:   Eryu Guan <guan@...u.me>
To:     Ritesh Harjani <riteshh@...ux.ibm.com>
Cc:     fstests@...r.kernel.org, linux-ext4@...r.kernel.org,
        Theodore Ts'o <tytso@....edu>,
        "Darrick J . Wong" <djwong@...nel.org>
Subject: Re: [PATCHv2 7/9] generic/620: Use _mkfs_dev_blocksized to use 4k bs

On Wed, Jul 21, 2021 at 10:58:00AM +0530, Ritesh Harjani wrote:
> ext4 with 64k blocksize (passed by user config) fails with below error for
> this given test which requires dmhugedisk. Since this test anyways only
> requires 4k bs, so use _mkfs_dev_blocksized() to fix this.
> 
> <error log with 64k bs>
> mkfs.ext4: Input/output error while writing out and closing file system
> 
> Signed-off-by: Ritesh Harjani <riteshh@...ux.ibm.com>
> ---
>  tests/generic/620 | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/tests/generic/620 b/tests/generic/620
> index b052376f..444e682d 100755
> --- a/tests/generic/620
> +++ b/tests/generic/620
> @@ -42,7 +42,9 @@ sectors=$((2*1024*1024*1024*17))
>  chunk_size=128
>  
>  _dmhugedisk_init $sectors $chunk_size
> -_mkfs_dev $DMHUGEDISK_DEV
> +
> +# Use 4k blocksize.
> +_mkfs_dev_blocksized 4096 $DMHUGEDISK_DEV

We run the test by forcing 4k blocksize, which could be tested in 4k
blocksize setup. Maybe it's another case that should _notrun in 64k
blocksize setup.

Thanks,
Eryu

>  _mount $DMHUGEDISK_DEV $SCRATCH_MNT || _fail "mount failed for $DMHUGEDISK_DEV $SCRATCH_MNT"
>  testfile=$SCRATCH_MNT/testfile-$seq
>  
> -- 
> 2.31.1

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