From: Christoph Hellwig <hch@lst.de>
To: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>, linux-xfs@vger.kernel.org
Subject: Re: [PATCH 2/2] xfs: ignore extent size hints for always COW inodes
Date: Mon, 14 Oct 2019 09:19:16 +0200 [thread overview]
Message-ID: <20191014071916.GE10081@lst.de> (raw)
In-Reply-To: <20191012003226.GN13108@magnolia>
On Fri, Oct 11, 2019 at 05:32:26PM -0700, Darrick J. Wong wrote:
> On Fri, Oct 11, 2019 at 06:03:16AM -0700, Christoph Hellwig wrote:
> > There is no point in applying extent size hints for always COW inodes,
> > as we would just have to COW any extra allocation beyond the data
> > actually written.
> >
> > Signed-off-by: Christoph Hellwig <hch@lst.de>
>
> Looks ok, I guess?
>
> By the way, what's the plan for always_cow inodes, seeing as it's still
> only a debugging feature?
Support for zoned devices and an O_ATOMIC-like mode that supports
data integrity safe overwrites. I've found some time to spend on
both lately, but the former might land on the list first.
prev parent reply other threads:[~2019-10-14 7:19 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-11 13:03 small fixes for the always_cow mode Christoph Hellwig
2019-10-11 13:03 ` [PATCH 1/2] xfs: disable xfs_ioc_space for always COW inodes Christoph Hellwig
2019-10-12 0:29 ` Darrick J. Wong
2019-10-14 7:18 ` Christoph Hellwig
2019-10-11 13:03 ` [PATCH 2/2] xfs: ignore extent size hints " Christoph Hellwig
2019-10-12 0:32 ` Darrick J. Wong
2019-10-14 7:19 ` Christoph Hellwig [this message]
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