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Date: Wed, 25 Jul 2018 12:16:26 -0700
From: "Darrick J. Wong" <darrick.wong@oracle.com>
Subject: Re: Question about reflink feature
Message-ID: <20180725191626.GA4809@magnolia>
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To: Xiao Yang <yangx.jy@cn.fujitsu.com>
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[add linux-xfs to cc]

On Wed, Jul 25, 2018 at 03:48:19PM +0800, Xiao Yang wrote:
> Hi Darrick,
> 
> Sorry to bother you.
> 
> Currently, all reflink tests for XFS in xfstests are skipped even if we
> use the lastest kernel and xfsprogs.
> It seems that mkfs.xfs doesn't enable reflink by default, do you want to
> enable it by default in later
> xfsprogs version?

It will be enabled by default when we've had a long enough period to
test it and make sure it's stable for general use.  That may happen some
time in early 2019.

> Shoud we enable it forcely by "mkfs.xfs -m reflink" in
> xfstests if mkfs.xfs supports it?

For now, yes.

--D

> 
> Thanks,
> Xiao Yang
> 
>