From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH 6/7] xfs: don't ENOSPC on writeback when punching holes
Date: Tue, 20 Nov 2018 00:20:40 -0800 [thread overview]
Message-ID: <20181120082040.GF30481@infradead.org> (raw)
In-Reply-To: <20181119210459.8506-7-david@fromorbit.com>
On Tue, Nov 20, 2018 at 08:04:58AM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner@redhat.com>
>
> Just tried to punch a 40T sparse file when enospc was triggered due
> to extent size hints consuming more space than expected. It failed
> with:
>
> # sudo xfs_io -c "fpunch 0 40t" /mnt/fast/xfs-arekm.img
> fallocate: No space left on device
> #
>
> because the writeback error of ENOSPC was being reported. We're
> going to free that space, so we don't care if there was a ENOSPC
> writeback error. So ignore ENOSPC errors and punch anyway.
How do even get -ENOSPC back from writeback? It seems like we have
a much worse root cause lingering here.
next prev parent reply other threads:[~2018-11-20 18:48 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-19 21:04 [PATCH 0/7] xfs: various fixes for 4.20 Dave Chinner
2018-11-19 21:04 ` [PATCH 1/7] xfs: zero length symlinks are not valid Dave Chinner
2018-11-20 8:12 ` Christoph Hellwig
2018-11-20 13:44 ` Brian Foster
2018-11-20 21:19 ` Dave Chinner
2018-11-21 12:01 ` Brian Foster
2018-11-19 21:04 ` [PATCH 2/7] xfs: uncached buffer tracing needs to print bno Dave Chinner
2018-11-20 8:12 ` Christoph Hellwig
2018-11-20 22:46 ` Darrick J. Wong
2018-11-19 21:04 ` [PATCH 3/7] xfs: fix transient reference count error in xfs_buf_resubmit_failed_buffers Dave Chinner
2018-11-20 8:13 ` Christoph Hellwig
2018-11-20 22:48 ` Darrick J. Wong
2018-11-19 21:04 ` [PATCH 4/7] xfs: finobt AG reserves don't consider last AG can be a runt Dave Chinner
2018-11-20 8:14 ` Christoph Hellwig
2018-11-20 22:49 ` Darrick J. Wong
2018-11-19 21:04 ` [PATCH 5/7] xfs: extent shifting doesn't fully invalidate page cache Dave Chinner
2018-11-20 8:18 ` Christoph Hellwig
2018-11-20 22:53 ` Darrick J. Wong
2018-11-19 21:04 ` [PATCH 6/7] xfs: don't ENOSPC on writeback when punching holes Dave Chinner
2018-11-20 8:20 ` Christoph Hellwig [this message]
2018-11-20 9:50 ` Dave Chinner
2018-11-20 16:28 ` Christoph Hellwig
2018-11-20 21:00 ` Dave Chinner
2018-11-21 18:09 ` Darrick J. Wong
2018-11-22 2:31 ` Dave Chinner
2018-11-19 21:04 ` [PATCH 7/7] xfs: flush removing page cache in xfs_reflink_remap_prep Dave Chinner
2018-11-20 8:32 ` Christoph Hellwig
2018-11-20 22:56 ` Darrick J. Wong
2018-11-20 6:36 ` [PATCH 8/7] xfs: delalloc -> unwritten COW fork allocation can go wrong Dave Chinner
2018-11-20 13:45 ` Brian Foster
2018-11-20 16:33 ` Christoph Hellwig
2018-11-20 21:08 ` Dave Chinner
2018-11-20 16:32 ` Christoph Hellwig
2018-11-20 22:58 ` Darrick J. Wong
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