Re: [PATCH 1/8 v2] fstests: Add Log Attribute Replay test

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On Fri, Jun 03, 2022 at 12:55:04PM +0800, Zorro Lang wrote:
> On Thu, Jun 02, 2022 at 07:43:21PM -0700, Darrick J. Wong wrote:
> > On Fri, Jun 03, 2022 at 11:41:12AM +1000, Dave Chinner wrote:
> > > From: Allison Henderson <allison.henderson@xxxxxxxxxx>
> > > 
> > > This patch adds tests to exercise the log attribute error
> > > inject and log replay. These tests aim to cover cases where attributes
> > > are added, removed, and overwritten in each format (shortform, leaf,
> > > node). Error inject is used to replay these operations from the log.
> > > 
> > > dchinner: sanitise md5sum input to just attr values.
> > > dchinner: correct md5sums.
> > > dchinner: ensure replace tests use different values so recovery can
> > >           determine the replace was replayed correctly.
> > > dchinner: don't remove corpse in _cleanup - scratch devices don't
> > > 	  require cleanup, and if the test fails we want to leave
> > > 	  the broken state for post-mortem analysis.
> > > dchinner: only run on v5 filesystems.
> > > 
> > > Signed-off-by: Allison Henderson <allison.henderson@xxxxxxxxxx>
> > > Signed-off-by: Catherine Hoang <catherine.hoang@xxxxxxxxxx>
> > > Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
> > > ---
> > > V2:
> > > - redirected attr get failure messages to /dev/null rather than
> > >   have to filter them. The md5sum tells us that the attr didn't
> > >   exist.
> > > 
> > >  tests/xfs/600     | 179 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > >  tests/xfs/600.out | 168 ++++++++++++++++++++++++++++++++++++++++++++++++++
> > >  2 files changed, 347 insertions(+)
> > > 
> > > diff --git a/tests/xfs/600 b/tests/xfs/600
> > > new file mode 100755
> > > index 00000000..bc9415ec
> > > --- /dev/null
> > > +++ b/tests/xfs/600
> > > @@ -0,0 +1,179 @@
> > > +#! /bin/bash
> > > +# SPDX-License-Identifier: GPL-2.0
> > > +# Copyright (c) 2022, Oracle and/or its affiliates.  All Rights Reserved.
> > > +#
> > > +# FS QA Test 600
> > > +#
> > > +# Log attribute replay test
> > > +#
> > > +. ./common/preamble
> > > +_begin_fstest auto quick attr
> > > +
> > > +# get standard environment, filters and checks
> > > +. ./common/filter
> > > +. ./common/attr
> > > +. ./common/inject
> > > +
> > > +_cleanup()
> > > +{
> > > +	rm -rf $tmp.*
> > > +	test -w /sys/fs/xfs/debug/larp && \
> > > +		echo 0 > /sys/fs/xfs/debug/larp
> > 
> > Probably ought to restore the old value, but otherwise the logic in here
> > looks solid enough.
> 
> I can help that when I merge it this week.
> 
> BTW, I saw the "[PATCH 00/15] xfs: Log Attribute Replay" patchset has been
> merged by mainline linux. So I suspose it's time to merge this patch. Please
> tell me if it's still not the time. As I know there's not only one patchset
> is related with this.

I wanted it merged two weeks ago because we merged LARP into the XFS
for-next tree a month ago. We need tests merged when the changes go
into the for-next tree, not when the for-next tree gets merged into
Linus's tree weeks later....

> And I'll really appreciate that, if any of you would like to list all related
> patchset titles (from kernel and userspace) to help this case test pass :)

I'm not going to attempt to find the 6 or 7 patchset and list them.
They are all merged into 5.19, so use that kernel. For userspace,
use the libxfs-5.19-sync branch I pushed out earlier in the week:

https://lore.kernel.org/linux-xfs/20220601010636.GC227878@xxxxxxxxxxxxxxxxxxx/T/#u

That contains all the 5.19 kernel changes and the userspace support
for large extent counters and LARP, including all the error
injection stuff that the various tests use.

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx



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