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

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Message-ID: <6e68d055-4a1d-2b4c-6ddd-1071af162d3a@suse.de>
Date:   Thu, 8 Jun 2017 09:53:45 +0200
From:   Johannes Thumshirn <jthumshirn@...e.de>
To:     James Wang <jnwang@...e.com>, 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 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?

Thanks,
	Johannes

[1] https://github.com/osandov/blktests

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Johannes Thumshirn                                          Storage
jthumshirn@...e.de                                +49 911 74053 689
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