generic/04[89] fail on XFS due to change in writeback code

[Eryu Guan]

On Wed, Aug 12, 2015 at 06:12:04PM +0800, Eryu Guan wrote:
> Hi all,
> 
> I've been seeing generic/04[89] fails on XFS since 4.2-rc1 from time to
> time, but the failure isn't reproduced on every test host. Recently I
> finally got a host that could reproduce the failure reliably.

[snip]

> 
> Attachments are my xfstests config file and host info requested by
> http://xfs.org/index.php/XFS_FAQ#Q:_What_information_should_I_include_when_reporting_a_problem.3F

Oh, one more thing, I'm using xfsprogs 4.2.0-rc1 from upstream, but
xfsprogs version doesn't matter here, xfsprogs-3.2.2-1.el7 shipped with
RHEL7.1 makes no difference in my testing.

Thanks,
Eryu