linux-kernel - Re: [PATCH] Fix loop device flush before configure v3

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Message-ID: <34d87480-d52a-42c5-f0e2-fbf89c832a42@suse.com>
Date:   Thu, 8 Jun 2017 16:13:36 +0800
From:   James Wang <jnwang@...e.com>
To:     Johannes Thumshirn <jthumshirn@...e.de>, axboe@...com,
        efault@....de
Cc:     ming.lei@...hat.com, hare@...e.com, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, mgorman@...e.com
Subject: Re: [PATCH] Fix loop device flush before configure v3



On 06/08/2017 03:53 PM, Johannes Thumshirn wrote:
> On 06/08/2017 08:52 AM, James Wang wrote:
>> Test method:
>> modprobe loop max_loop=64
>> dd if=/dev/zero of=disk bs=512 count=200K
>> for((i=0;i<4;i++))do losetup -f disk; done
>> mkfs.ext4 -F /dev/loop0
>> for((i=0;i<4;i++))do mkdir t$i; mount /dev/loop$i t$i;done
>> for f in `ls /dev/loop[0-9]*|sort`; do \
>> 	echo $f; dd if=$f of=/dev/null  bs=512 count=1; \
>> 	done
> I think Christoph already asked this, but can you send a patch for
> blktests [1] as well?
I have forked this project and I'm working on it.
due to framework is limited, so I'm adjusting my code.
> Thanks,
> 	Johannes
>
> [1] https://github.com/osandov/blktests
>

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