From: Jens Axboe <axboe@kernel.dk>
To: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: kosaki.motohiro@jp.fujitsu.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5] blk: fix a wrong accounting of hd_struct->in_flight
Date: Tue, 19 Oct 2010 12:02:18 +0200 [thread overview]
Message-ID: <4CBD6CAA.1060708@kernel.dk> (raw)
In-Reply-To: <4CBD00F7.3070503@jp.fujitsu.com>
On 2010-10-19 04:22, Yasuaki Ishimatsu wrote:
> Hi Jens,
>
>> This version looks good, thanks for following through on this. What kind
>> of testing did you do?
>
> I did three kinds of test.
>
> 1. run a reproducer.
> I confirmed the problem was fixed using attached the reproducer.
>
> 2. remove and make a partition which is running I/O.
> I confirmed the kernel panic or hungup did not occur using following steps.
>
> # dd if=/dev/sda of=null &
> # while true
> > do
> > /sbin/parted /dev/sda rm 3 > /dev/null
> > /sbin/parted /dev/sda mkpart primary ext2 42.5GB 52.5GB > /dev/null
> > sleep 2
> > done
>
> 3. reload a partition which is running I/O.
> I confirmed the kernel panic or hungup did not occur using following steps.
>
> # dd if=/dev/sda of=null &
> # while true
> > do
> > /sbin/hdparm -z /dev/sda
> > sleep 2
> > done
Thanks, sounds good! I have queued it up for 2.6.37 and marked as a
stable backport candidate.
--
Jens Axboe
next prev parent reply other threads:[~2010-10-19 10:02 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-12 6:38 [PATCH] blk: fix a wrong accounting of hd_struct->in_flight Yasuaki Ishimatsu
2010-10-12 8:19 ` Jens Axboe
2010-10-14 12:48 ` [PATCH v2] " Yasuaki Ishimatsu
2010-10-14 12:55 ` Jens Axboe
2010-10-15 8:39 ` [PATCH v3] " Yasuaki Ishimatsu
2010-10-15 10:04 ` Jens Axboe
2010-10-18 8:28 ` [PATCH v4] " Yasuaki Ishimatsu
2010-10-18 8:34 ` Jens Axboe
2010-10-18 12:19 ` [PATCH v5] " Yasuaki Ishimatsu
2010-10-18 12:21 ` Jens Axboe
2010-10-19 2:22 ` Yasuaki Ishimatsu
2010-10-19 10:02 ` Jens Axboe [this message]
2010-10-14 6:07 ` [PATCH] " KOSAKI Motohiro
2010-10-14 12:44 ` Jens Axboe
2010-10-14 23:30 ` Paul E. McKenney
2010-10-15 7:30 ` Jens Axboe
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