linux-ext4 - Re: [PATCHv3 3/4] generic/678: Add a new shutdown recovery test

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Date:   Tue, 5 Apr 2022 16:27:56 +0530
From:   Ritesh Harjani <ritesh.list@...il.com>
To:     Dave Chinner <david@...morbit.com>
Cc:     fstests <fstests@...r.kernel.org>, linux-ext4@...r.kernel.org,
        linux-fsdevel@...r.kernel.org,
        "Darrick J . Wong" <djwong@...nel.org>,
        Ritesh Harjani <riteshh@...ux.ibm.com>
Subject: Re: [PATCHv3 3/4] generic/678: Add a new shutdown recovery test

On 22/04/04 09:38AM, Dave Chinner wrote:
> On Thu, Mar 31, 2022 at 06:24:22PM +0530, Ritesh Harjani wrote:
> > From: Ritesh Harjani <riteshh@...ux.ibm.com>
> >
> > In certain cases (it is noted with ext4 fast_commit feature) that, replay phase
> > may not delete the right range of blocks (after sudden FS shutdown)
> > due to some operations which depends on inode->i_size (which during replay of
> > an inode with fast_commit could be 0 for sometime).
> > This fstest is added to test for such scenarios for all generic fs.
> >
> > This test case is based on the test case shared via Xin Yin.
> >
> > Signed-off-by: Ritesh Harjani <riteshh@...ux.ibm.com>
> > ---
> >  tests/generic/678     | 72 +++++++++++++++++++++++++++++++++++++++++++
> >  tests/generic/678.out |  7 +++++
> >  2 files changed, 79 insertions(+)
> >  create mode 100755 tests/generic/678
> >  create mode 100644 tests/generic/678.out
> >
> > diff --git a/tests/generic/678 b/tests/generic/678
> > new file mode 100755
> > index 00000000..46a7be6c
> > --- /dev/null
> > +++ b/tests/generic/678
> > @@ -0,0 +1,72 @@
> > +#! /bin/bash
> > +# SPDX-License-Identifier: GPL-2.0
> > +# Copyright (c) 2022 IBM Corporation.  All Rights Reserved.
> > +#
> > +# FS QA Test 678
> > +#
> > +# This test with ext4 fast_commit feature w/o below patch missed to delete the right
> > +# range during replay phase, since it depends upon inode->i_size (which might not be
> > +# stable during replay phase, at least for ext4).
> > +# 0b5b5a62b945a141: ext4: use ext4_ext_remove_space() for fast commit replay delete range
> > +# (Based on test case shared by Xin Yin <yinxin.x@...edance.com>)
> > +#
> > +
> > +. ./common/preamble
> > +_begin_fstest auto shutdown quick log recoveryloop
> > +
> > +# Override the default cleanup function.
> > +_cleanup()
> > +{
> > +	cd /
> > +	rm -r -f $tmp.*
> > +}
>
> It's the same as the default cleanup function.
>

Sure, will remove this definition from here in next revision.
Since it is available in common/preamble now.

-ritesh

> Cheers,
>
> Dave.
>
> --
> Dave Chinner
> david@...morbit.com