From: Christoph Hellwig <hch@infradead.org>
To: Amir Goldstein <amir73il@gmail.com>
Cc: Brian Foster <bfoster@redhat.com>,
fstests <fstests@vger.kernel.org>,
linux-xfs <linux-xfs@vger.kernel.org>,
Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH 1/4] generic: require discard zero behavior for dmlogwrites on XFS
Date: Thu, 27 Aug 2020 08:02:37 +0100 [thread overview]
Message-ID: <20200827070237.GA22194@infradead.org> (raw)
In-Reply-To: <CAOQ4uxjYf2Hb4+Zid7KeWUcu3sOgqR30de_0KwwjVbwNw1HfJg@mail.gmail.com>
On Thu, Aug 27, 2020 at 09:58:09AM +0300, Amir Goldstein wrote:
> I imagine that ext4 could also be burned by this.
> Do we have a reason to limit this requirement to xfs?
> I prefer to make it generic.
The whole idea that discard zeroes data is just completely broken.
Discard is a hint that is explicitly allowed to do nothing.
next prev parent reply other threads:[~2020-08-27 7:02 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-26 14:38 [PATCH 0/4] fix up generic dmlogwrites tests to work with XFS Brian Foster
2020-08-26 14:38 ` [PATCH 1/4] generic: require discard zero behavior for dmlogwrites on XFS Brian Foster
2020-08-27 6:58 ` Amir Goldstein
2020-08-27 7:02 ` Christoph Hellwig [this message]
2020-08-27 7:29 ` Amir Goldstein
2020-08-27 7:37 ` Christoph Hellwig
2020-08-27 15:57 ` Josef Bacik
2020-08-27 17:02 ` Christoph Hellwig
2020-08-27 18:35 ` Brian Foster
2020-08-29 6:46 ` Christoph Hellwig
2020-08-30 13:30 ` Amir Goldstein
2020-08-31 13:37 ` Brian Foster
2020-08-29 6:44 ` Christoph Hellwig
2020-08-27 14:11 ` Brian Foster
[not found] ` <CAOQ4uxj6RKX01kKKc_SGZJegWEKaF+D8ZNJGALvh4o0c5bBcBg@mail.gmail.com>
2020-08-28 14:10 ` Brian Foster
2020-08-27 7:38 ` Christoph Hellwig
2020-08-26 14:38 ` [PATCH 2/4] generic/455: use thin volume for dmlogwrites target device Brian Foster
2020-08-26 14:38 ` [PATCH 3/4] generic/457: " Brian Foster
2020-08-26 14:38 ` [PATCH 4/4] generic/470: " Brian Foster
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