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

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Message-Id: <2D8954BF-E3D2-4A61-AAE2-A3FDD080C26A@suse.com>
Date:   Thu, 8 Jun 2017 08:45:31 +0800
From:   James Wang <jnwang@...e.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     axboe@...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

Ok I got it blktests is a suite. I'd like to contribute something. If you need, we adapt you,;-)!
But I have to learn some how to do that, need time.

James
 
>From subway.

在 2017年6月7日，21:17，Christoph Hellwig <hch@...radead.org> 写道：

>> Testing steps are following:
>> 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
> 
> Can you write this up for blktests, please?
>