From: Dave Chinner <david@fromorbit.com>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH v2 11/9] xfs: add debug knob to slow down write for fun
Date: Tue, 29 Nov 2022 12:37:44 +1100 [thread overview]
Message-ID: <20221129013744.GZ3600936@dread.disaster.area> (raw)
In-Reply-To: <Y4VeuqfVBU4/x9aB@magnolia>
On Mon, Nov 28, 2022 at 05:22:02PM -0800, Darrick J. Wong wrote:
> From: Darrick J. Wong <djwong@kernel.org>
>
> Add a new error injection knob so that we can arbitrarily slow down
> pagecahe writes to test for race conditions and aberrant reclaim
pagecache
> behavior if the writeback mechanisms are slow to issue writeback. This
> will enable functional testing for the ifork sequence counters
> introduced in commit XXXXXXXXXXXX that fixes write racing with reclaim
> writeback.
>
> Signed-off-by: Darrick J. Wong <djwong@kernel.org>
> ---
> v2: this time with tracepoints
> ---
Looks OK to me.
Reviewed-by: Dave Chinner <dchinner@redhat.com>
--
Dave Chinner
david@fromorbit.com
next prev parent reply other threads:[~2022-11-29 1:37 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-23 5:58 [PATCH 0/9 V4] xfs, iomap: fix data corrupton due to stale cached iomaps Dave Chinner
2022-11-23 5:58 ` [PATCH 1/9] xfs: write page faults in iomap are not buffered writes Dave Chinner
2022-11-23 5:58 ` [PATCH 2/9] xfs: punching delalloc extents on write failure is racy Dave Chinner
2022-11-23 5:58 ` [PATCH 3/9] xfs: use byte ranges for write cleanup ranges Dave Chinner
2022-11-23 5:58 ` [PATCH 4/9] xfs,iomap: move delalloc punching to iomap Dave Chinner
2022-11-23 5:58 ` [PATCH 5/9] iomap: buffered write failure should not truncate the page cache Dave Chinner
2022-11-23 13:24 ` kernel test robot
2022-11-23 5:58 ` [PATCH 6/9] xfs: xfs_bmap_punch_delalloc_range() should take a byte range Dave Chinner
2022-11-23 5:58 ` [PATCH 7/9] iomap: write iomap validity checks Dave Chinner
2022-11-23 5:58 ` [PATCH 8/9] xfs: use iomap_valid method to detect stale cached iomaps Dave Chinner
2022-11-23 5:58 ` [PATCH 9/9] xfs: drop write error injection is unfixable, remove it Dave Chinner
2022-11-28 22:34 ` [PATCH 10/9] xfs: add debug knob to slow down writeback for fun Darrick J. Wong
2022-11-28 23:30 ` Dave Chinner
2022-11-28 23:39 ` Darrick J. Wong
2022-11-29 1:21 ` [PATCH v2 " Darrick J. Wong
2022-11-29 1:34 ` Dave Chinner
2022-11-29 21:53 ` Darrick J. Wong
2022-11-29 21:57 ` [RFC PATCH] xfs: regression test for writeback corruption bug Darrick J. Wong
2022-11-30 17:34 ` Zorro Lang
2022-11-30 19:04 ` Darrick J. Wong
2022-12-01 15:21 ` Zorro Lang
2022-12-01 15:53 ` Darrick J. Wong
2022-11-28 22:34 ` [PATCH 11/9] xfs: add debug knob to slow down write for fun Darrick J. Wong
2022-11-29 1:22 ` [PATCH v2 " Darrick J. Wong
2022-11-29 1:37 ` Dave Chinner [this message]
2022-11-29 21:53 ` Darrick J. Wong
2022-11-29 21:55 ` [RFC PATCH] xfs: regression test for writes racing with reclaim writeback Darrick J. Wong
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