From: Dave Chinner <david@fromorbit.com>
To: Christoph Hellwig <hch@lst.de>
Cc: xfs@oss.sgi.com, darrick.wong@oracle.com
Subject: Re: [RFC] allow enabling reflinks at runtime
Date: Fri, 3 Jun 2016 08:54:15 +1000 [thread overview]
Message-ID: <20160602225415.GP12670@dastard> (raw)
In-Reply-To: <1464877150-20457-1-git-send-email-hch@lst.de>
On Thu, Jun 02, 2016 at 04:19:07PM +0200, Christoph Hellwig wrote:
> I've had some vocal user requests to allow enabling reflinks at run time,
> which happens to be a mostly trivial feature. The only caveat is that we
> need a large enough log size to support the reflink requirements, but for
> typical large file systems that's not an issue.
Hmmm - how does this interact with all the rmap code? I was not
planning on enabling reflink without rmap and vice versa simply
because it makes the validation and testing matrix vastly more
complex. Indeed, having reflink turned on after a filesystem has
aged for some time (i.e. from unknown initial conditions) makes
validation especially tricky....
Darrick?
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2016-06-02 22:54 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-02 14:19 [RFC] allow enabling reflinks at runtime Christoph Hellwig
2016-06-02 14:19 ` [PATCH 1/3] xfs: add xfs_mp_hasreflink Christoph Hellwig
2016-06-02 14:19 ` [PATCH 2/3] xfs: refactor xfs_refcountbt_alloc_block Christoph Hellwig
2016-06-02 14:19 ` [PATCH 3/3] xfs: add an option to enable reflinks at mount time Christoph Hellwig
2016-06-06 11:23 ` Carlos Maiolino
2016-06-06 11:29 ` Carlos Maiolino
2016-06-06 16:52 ` Darrick J. Wong
2016-06-08 7:04 ` Christoph Hellwig
2016-06-08 8:07 ` Carlos Maiolino
2016-06-08 8:10 ` Carlos Maiolino
2016-06-09 22:57 ` Dave Chinner
2016-06-02 22:54 ` Dave Chinner [this message]
2016-06-03 1:58 ` [RFC] allow enabling reflinks at runtime Darrick J. Wong
2016-06-06 18:52 ` Darrick J. Wong
2016-06-08 7:10 ` Christoph Hellwig
2016-06-08 7:11 ` Christoph Hellwig
2016-06-09 17:45 ` Darrick J. Wong
2016-06-09 23:33 ` Dave Chinner
2016-07-13 5:36 ` Darrick J. Wong
2016-10-26 20:49 ` Darrick J. Wong
2016-11-03 16:10 ` Christoph Hellwig
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