From: Josef Bacik <josef@redhat.com>
To: liubo <liubo2009@cn.fujitsu.com>
Cc: jim owens <owens6336@gmail.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Chris Mason <chris.mason@oracle.com>,
Josef Bacik <josef@redhat.com>,
linux-btrfs@vger.kernel.org, "Yan, Zheng" <zheng.yan@oracle.com>
Subject: Re: [BUG] btrfs: report a direct-IO bug
Date: Wed, 5 May 2010 21:56:42 -0400 [thread overview]
Message-ID: <20100506015641.GA5672@localhost.localdomain> (raw)
In-Reply-To: <4BE21FC1.1010901@cn.fujitsu.com>
On Thu, May 06, 2010 at 09:47:45AM +0800, liubo wrote:
> When we tested the series of jim owens' direct-IO patch, a bug occured.
>
> It could be reproduced on a 2.6.34-rc6 kernel with
> direct-IO patch by the following steps...
>
> # mkfs.btrfs /dev/sdb
> # mount /dev/sdb /home/btrfsdisk
> # cd /home/btrfsdisk
> # create test.c
> # dd if=/dev/zero of=file bs=7K count=1
> # gcc test.c -o test
> # ./test
>
I'm in the middle of re-working the DIO code. You can pull from my git tree
http://git.kernel.org/?p=linux/kernel/git/josef/btrfs-unstable-josef.git;a=summary
Pull from the my-dio branch. It survives fsx, but it fails on 5 out of 7 AIO
tests in xfstests, which I'm tracking down. Thanks,
Josef
next prev parent reply other threads:[~2010-05-06 1:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-06 1:47 [BUG] btrfs: report a direct-IO bug liubo
2010-05-06 1:56 ` Josef Bacik [this message]
2010-05-07 14:00 ` Maciej Rutecki
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