On Tue, Jun 28, 2022 at 01:21:34PM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <djwong@xxxxxxxxxx>
>
> This is a regression test that exercises the mkfs.xfs code that creates
> log sizes that are very close to the AG size when stripe units are in
> play and/or when the log is forced to be in AG 0.
>
> Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
> ---
> tests/xfs/843 | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
> tests/xfs/843.out | 2 ++
> 2 files changed, 53 insertions(+)
> create mode 100755 tests/xfs/843
> create mode 100644 tests/xfs/843.out
>
>
> diff --git a/tests/xfs/843 b/tests/xfs/843
> new file mode 100755
> index 00000000..5bb4bfb4
> --- /dev/null
> +++ b/tests/xfs/843
> @@ -0,0 +1,51 @@
> +#! /bin/bash
> +# SPDX-License-Identifier: GPL-2.0
> +# Copyright (c) 2022 Oracle. All Rights Reserved.
> +#
> +# FS QA Test 843
> +#
> +# Now that we've increased the default log size calculation, test mkfs with
> +# various stripe units and filesystem sizes to see if we can provoke mkfs into
> +# breaking.
> +#
> +. ./common/preamble
> +_begin_fstest auto mkfs
> +
> +# real QA test starts here
> +
> +# Modify as appropriate.
> +_supported_fs xfs
> +_require_test
> +echo Silence is golden
> +
> +testfile=$TEST_DIR/a
> +rm -f $testfile
> +
> +test_format() {
> + local tag="$1"
> + shift
> +
> + echo "$tag" >> $seqres.full
> + $MKFS_XFS_PROG $@ -d file,name=$testfile &>> $seqres.full
> + local res=$?
> + test $res -eq 0 || echo "$tag FAIL $res" | tee -a $seqres.full
> +}
> +
> +# First we try various small filesystems and stripe sizes.
> +for M in `seq 298 302` `seq 490 520`; do
> + for S in `seq 32 4 64`; do
> + test_format "M=$M S=$S" -dsu=${S}k,sw=1,size=${M}m -N
> + done
> +done
> +
> +# Log so large it pushes the root dir into AG 1. We can't use -N for the mkfs
> +# because this check only occurs after the root directory has been allocated,
> +# which mkfs -N doesn't do.
> +test_format "log pushes rootdir into AG 1" -d agcount=3200,size=6366g -lagnum=0 -N
Why are you passing "-N" to the test if it can't be used to test
this?
Cheers,
Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx
