From: Christoph Hellwig <hch@lst.de>
To: Eryu Guan <eguan@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>,
fstests@vger.kernel.org, linux-xfs@vger.kernel.org
Subject: Re: add a new test for racing AIO COW writes V2
Date: Mon, 9 Oct 2017 09:28:20 +0200 [thread overview]
Message-ID: <20171009072820.GA30228@lst.de> (raw)
In-Reply-To: <20171009071833.GE10593@eguan.usersys.redhat.com>
On Mon, Oct 09, 2017 at 03:18:33PM +0800, Eryu Guan wrote:
> On Wed, Oct 04, 2017 at 08:16:16AM +0200, Christoph Hellwig wrote:
> > This can be used to trigger an assert in the current XFS code because it
> > can't handle the case where there are COW extents on a file, but none
> > at or below the range converted by the AIO completion handler.
> >
> > Signed-off-by: Christoph Hellwig <hch@lst.de>
>
> I fixed several minor issues on commit (see inline comments).
>
> I haven't reproduced the assert failure yet on my test vm, but as the
> commit log in v1 patch, it's not 100% reproducible, maybe I'm just lucky
> (or not lucky :)
Hmm, I only got 1 non-reproduce out of about 100 runs. Maybe your
device is too fast, as this was in a VM.
prev parent reply other threads:[~2017-10-09 7:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-03 14:38 add a new test for racing AIO COW writes Christoph Hellwig
2017-10-03 16:02 ` Darrick J. Wong
2017-10-04 6:16 ` add a new test for racing AIO COW writes V2 Christoph Hellwig
2017-10-04 17:30 ` Darrick J. Wong
2017-10-09 7:18 ` Eryu Guan
2017-10-09 7:28 ` Christoph Hellwig [this message]
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