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From: Christoph Hellwig <hch@lst.de>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>,
	Chandan Babu R <chandan.babu@oracle.com>,
	linux-xfs@vger.kernel.org
Subject: Re: [PATCH 2/2] xfs: don't extend the FITRIM range if the rt device does not support discard
Date: Mon, 19 Aug 2024 14:44:07 +0200	[thread overview]
Message-ID: <20240819124407.GA6610@lst.de> (raw)
In-Reply-To: <20240816215017.GK865349@frogsfrogsfrogs>

On Fri, Aug 16, 2024 at 02:50:17PM -0700, Darrick J. Wong wrote:
> Is there more to this than generic/260 failing?

The only other users of the detection is generic/251, which doesn't
seem to care about the exact value.

> And if not, does the
> following patch things up for you?

This works.  OTOH it will break again with the zoned RT subvolume
which can't support FITRIM even on devices that claim it.  And for
actual users that care (and not just xfstests) these kinds of hacks
don't seem very palatable..


  reply	other threads:[~2024-08-19 12:44 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-16  8:18 fix FITRIM with non-discard capable RT device v2 Christoph Hellwig
2024-08-16  8:18 ` [PATCH 1/2] xfs: remove a stale comment in xfs_ioc_trim Christoph Hellwig
2024-08-16  8:18 ` [PATCH 2/2] xfs: don't extend the FITRIM range if the rt device does not support discard Christoph Hellwig
2024-08-16 21:50   ` Darrick J. Wong
2024-08-19 12:44     ` Christoph Hellwig [this message]
2024-08-19 15:00       ` Darrick J. Wong
2024-08-19 15:08         ` Christoph Hellwig
2024-08-20 16:19           ` Darrick J. Wong
2024-08-20 16:35             ` Christoph Hellwig
  -- strict thread matches above, loose matches on Subject: below --
2024-08-14  4:23 [PATCH 1/2] xfs: remove a stale comment in xfs_ioc_trim Christoph Hellwig
2024-08-14  4:23 ` [PATCH 2/2] xfs: don't extend the FITRIM range if the rt device does not support discard Christoph Hellwig
2024-08-14  5:41   ` Darrick J. Wong
2024-08-14  5:48     ` Christoph Hellwig
2024-08-14  6:16       ` Darrick J. Wong

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