On Thu, May 01, 2025 at 08:42:46AM -0500, Christoph Hellwig wrote:
> Check that two parallel buffered sequential writers are separated into
> different zones when writeback happens before closing the files.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
> tests/xfs/4208 | 79 ++++++++++++++++++++++++++++++++++++++++++++++
> tests/xfs/4208.out | 3 ++
> 2 files changed, 82 insertions(+)
> create mode 100755 tests/xfs/4208
> create mode 100644 tests/xfs/4208.out
>
> diff --git a/tests/xfs/4208 b/tests/xfs/4208
> new file mode 100755
> index 000000000000..b85105704b65
> --- /dev/null
> +++ b/tests/xfs/4208
> @@ -0,0 +1,79 @@
> +#! /bin/bash
> +# SPDX-License-Identifier: GPL-2.0
> +# Copyright (c) 2024 Christoph Hellwig.
> +#
> +# FS QA Test No. 4208
> +#
> +# Test that multiple buffered I/O write streams are directed to separate zones
> +# when written back with the file still open.
> +#
> +. ./common/preamble
> +_begin_fstest quick auto rw zone
> +
> +_cleanup()
> +{
> + cd /
> + _scratch_unmount >/dev/null 2>&1
Same review points with patch 8/15.
> +}
> +
> +# Import common functions.
> +. ./common/filter
> +
> +_require_scratch
> +
> +_filter_rgno()
Same review points with patch 8/15.
> +{
> + # the rg number is in column 4 of xfs_bmap output
> + perl -ne '
> + $rg = (split /\s+/)[4] ;
> + if ($rg =~ /\d+/) {print "$rg "} ;
> + '
> +}
> +
> +_scratch_mkfs_xfs >>$seqres.full 2>&1
> +_scratch_mount
> +_require_xfs_scratch_zoned 3
> +
> +fio_config=$tmp.fio
> +fio_out=$tmp.fio.out
> +fio_err=$tmp.fio.err
> +
> +cat >$fio_config <<EOF
> +[global]
> +bs=64k
> +iodepth=16
> +iodepth_batch=8
> +size=1m
> +directory=$SCRATCH_MNT
> +rw=write
> +fsync_on_close=1
> +
> +[file1]
> +filename=file1
> +size=128m
> +
> +[file2]
> +filename=file2
> +size=128m
> +EOF
> +
> +_require_fio $fio_config
> +
> +$FIO_PROG $fio_config --output=$fio_out
> +cat $fio_out >> $seqres.full
> +
> +# Check the files only have a single extent each and are in separate zones
> +extents1=$(_count_extents $SCRATCH_MNT/file1)
> +extents2=$(_count_extents $SCRATCH_MNT/file2)
> +
> +echo "number of file 1 extents: $extents1"
> +echo "number of file 2 extents: $extents2"
> +
> +rg1=`xfs_bmap -v $SCRATCH_MNT/file1 | _filter_rgno`
> +rg2=`xfs_bmap -v $SCRATCH_MNT/file2 | _filter_rgno`
> +if [ "${rg1}" == "${rg2}" ]; then
> + echo "same RG used for both files"
> +fi
> +
> +status=0
> +exit
> diff --git a/tests/xfs/4208.out b/tests/xfs/4208.out
> new file mode 100644
> index 000000000000..1aaea308fe6a
> --- /dev/null
> +++ b/tests/xfs/4208.out
> @@ -0,0 +1,3 @@
> +QA output created by 4208
> +number of file 1 extents: 1
> +number of file 2 extents: 1
> --
> 2.47.2
>
