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Date:   Sun, 18 Oct 2020 18:50:26 +0800
From:   Eryu Guan <guan@eryu.me>
To:     Luis Henriques <lhenriques@suse.de>
Cc:     fstests@vger.kernel.org, Jeff Layton <jlayton@kernel.org>,
        ceph-devel@vger.kernel.org, Luis Henriques <lhenriques@suse.com>
Subject: Re: [PATCH 1/3] ceph: add copy_file_range (remote copy operation)
 testing
Message-ID: <20201018105026.GA3853@desktop>
References: <20201007175212.16218-1-lhenriques@suse.de>
 <20201007175212.16218-2-lhenriques@suse.de>
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On Wed, Oct 07, 2020 at 06:52:10PM +0100, Luis Henriques wrote:
> From: Luis Henriques <lhenriques@suse.com>
> 
> Test remote copy operation (CEPH_OSD_OP_COPY_FROM) with several
> combinations of both object sizes and copy sizes.  It also uses several
> combinations of copy ranges.  For example, copying the 1st object in the
> src file into:
> 
>   1) the beginning (1st object) of dst file,
>   2) the end (last object) of dst file and
>   3) the middle of the dst file.
> 
> Signed-off-by: Luis Henriques <lhenriques@suse.com>
> ---
>  tests/ceph/001     | 233 +++++++++++++++++++++++++++++++++++++++++++++
>  tests/ceph/001.out | 129 +++++++++++++++++++++++++
>  tests/ceph/group   |   1 +
>  3 files changed, 363 insertions(+)
>  create mode 100644 tests/ceph/001
>  create mode 100644 tests/ceph/001.out
>  create mode 100644 tests/ceph/group
> 
> diff --git a/tests/ceph/001 b/tests/ceph/001
> new file mode 100644
> index 000000000000..8ce0396f9723
> --- /dev/null
> +++ b/tests/ceph/001
> @@ -0,0 +1,233 @@
> +#!/bin/bash
> +# SPDX-License-Identifier: GPL-2.0
> +# Copyright (C) 2020 SUSE Linux Products GmbH. All Rights Reserved.
> +#
> +# FS QA Test No. ceph/001
> +#
> +# Test remote copy operation (CEPH_OSD_OP_COPY_FROM) with several combinations
> +# of both object sizes and copy sizes.  It also uses several combinations of
> +# copy ranges.  For example, copying the 1st object in the src file into
> +# 1) the beginning (1st object) of dst file, 2) the end (last object) of dst
> +# file and 3) the middle of the dst file.
> +#
> +seq=`basename $0`
> +seqres=$RESULT_DIR/$seq
> +echo "QA output created by $seq"
> +
> +here=`pwd`
> +tmp=/tmp/$$
> +status=1    # failure is the default!
> +trap "_cleanup; exit \$status" 0 1 2 3 15
> +
> +_cleanup()
> +{
> +	cd /
> +	rm -rf $tmp.*
> +}
> +
> +# get standard environment
> +. common/rc
> +. common/filter
> +. common/attr
> +. common/reflink
> +
> +# real QA test starts here
> +_supported_fs ceph
> +
> +_require_xfs_io_command "copy_range"
> +_require_attrs
> +_require_test
> +
> +workdir=$TEST_DIR/test-$seq
> +rm -rf $workdir
> +mkdir $workdir
> +rm -f $seqres.full
> +
> +check_range()
> +{
> +	local file=$1
> +	local off0=$2
> +	local off1=$3
> +	local val=$4
> +	_read_range $file $off0 $off1 | grep -v -q $val
> +	[ $? -eq 0 ] && echo "file $file is not '$val' in [ $off0 $off1 ]"
> +}
> +
> +run_copy_range_tests()
> +{
> +	objsz=$1
> +	halfobj=$(($objsz / 2))
> +	file="$workdir/file-$objsz"
> +	copy="$workdir/copy-$objsz"
> +	dest="$workdir/dest-$objsz"
> +
> +	# setting the file layout needs to be done before writing any data
> +	touch $file $copy $dest
> +	$SETFATTR_PROG -n ceph.file.layout \
> +		-v "stripe_unit=$objsz stripe_count=1 object_size=$objsz" \
> +		$file $copy $dest

I noticed this pattern repeated a few times in this patchset, I think
it'd be good to factor it into a new helper function? And put it in
common/ceph file.

> +
> +	# file containing 3 objects with 'aaaa|bbbb|cccc'
> +	$XFS_IO_PROG -c "pwrite -S 0x61 0 $objsz" $file >> $seqres.full 2>&1
> +	$XFS_IO_PROG -c "pwrite -S 0x62 $objsz $objsz" $file >> $seqres.full 2>&1
> +	$XFS_IO_PROG -c "pwrite -S 0x63 $(($objsz * 2)) $objsz" $file >> $seqres.full 2>&1
> +
> +	echo "  Copy whole file (3 objects):"
> +	echo "    aaaa|bbbb|cccc => aaaa|bbbb|cccc"
> +	$XFS_IO_PROG -c "copy_range -s 0 -d 0 -l $(($objsz * 3)) $file" "$copy"
> +	cmp $file $copy
> +
> +	echo "  Copy single object to beginning:"
> +	# dest file with 3 objects with 'dddd|dddd|dddd'
> +	$XFS_IO_PROG -c "pwrite -S 0x64 0 $(($objsz * 3))" $dest >> $seqres.full 2>&1
> +
> +	echo "    dddd|dddd|dddd => aaaa|dddd|dddd"
> +	$XFS_IO_PROG -c "copy_range -s 0 -d 0 -l $objsz $file" "$dest"
> +	check_range $dest 0 $objsz 61
> +	check_range $dest $objsz $(($objsz * 2)) 64
> +
> +	echo "    aaaa|dddd|dddd => bbbb|dddd|dddd"
> +	$XFS_IO_PROG -c "copy_range -s $objsz -d 0 -l $objsz $file" "$dest"
> +	check_range $dest 0 $objsz 62
> +	check_range $dest $objsz $(($objsz * 2)) 64
> +
> +	echo "    bbbb|dddd|dddd => cccc|dddd|dddd"
> +	$XFS_IO_PROG -c "copy_range -s $(($objsz * 2)) -d 0 -l $objsz $file" "$dest"
> +	check_range $dest 0 $objsz 63
> +	check_range $dest $objsz $(($objsz * 2)) 64
> +
> +	echo "  Copy single object to middle:"
> +
> +	echo "    cccc|dddd|dddd => cccc|aaaa|dddd"
> +	$XFS_IO_PROG -c "copy_range -s 0 -d $objsz -l $objsz $file" "$dest"
> +	check_range $dest 0 $objsz 63
> +	check_range $dest $objsz $objsz 61
> +	check_range $dest $(($objsz * 2)) $objsz 64
> +
> +	echo "    cccc|aaaa|dddd => cccc|bbbb|dddd"
> +	$XFS_IO_PROG -c "copy_range -s $objsz -d $objsz -l $objsz $file" "$dest"
> +	check_range $dest 0 $objsz 63
> +	check_range $dest $objsz $objsz 62
> +	check_range $dest $(($objsz * 2)) $objsz 64
> +
> +	echo "    cccc|bbbb|dddd => cccc|cccc|dddd"
> +	$XFS_IO_PROG -c "copy_range -s $((objsz * 2)) -d $objsz -l $objsz $file" "$dest"
> +	check_range $dest 0 $objsz 63
> +	check_range $dest $objsz $objsz 63
> +	check_range $dest $(($objsz * 2)) $objsz 64
> +
> +	echo "  Copy single object to end:"
> +
> +	echo "    cccc|cccc|dddd => cccc|cccc|aaaa"
> +	$XFS_IO_PROG -c "copy_range -s 0 -d $(($objsz * 2)) -l $objsz $file" "$dest"
> +	check_range $dest 0 $(($objsz * 2)) 63
> +	check_range $dest $(($objsz * 2)) $objsz 61
> +
> +	echo "    cccc|cccc|aaaa => cccc|cccc|bbbb"
> +	$XFS_IO_PROG -c "copy_range -s $objsz -d $(($objsz * 2)) -l $objsz $file" "$dest"
> +	check_range $dest 0 $(($objsz * 2)) 63
> +	check_range $dest $(($objsz * 2)) $objsz 62
> +
> +	echo "    cccc|cccc|aaaa => cccc|cccc|cccc"
> +	$XFS_IO_PROG -c "copy_range -s $(($objsz * 2)) -d $(($objsz * 2)) -l $objsz $file" "$dest"
> +	check_range $dest 0 $(($objsz * 3)) 63
> +
> +	echo "  Copy 2 objects to beginning:"
> +
> +	echo "    cccc|cccc|cccc => aaaa|bbbb|cccc"
> +	$XFS_IO_PROG -c "copy_range -s 0 -d 0 -l $(($objsz * 2)) $file" "$dest"
> +	cmp $file $dest
> +
> +	echo "    aaaa|bbbb|cccc => bbbb|cccc|cccc"
> +	$XFS_IO_PROG -c "copy_range -s $objsz -d 0 -l $(($objsz * 2)) $file" "$dest"
> +	check_range $dest 0 $objsz 62
> +	check_range $dest $objsz $(($objsz * 2)) 63
> +
> +	echo "  Copy 2 objects to end:"
> +
> +	echo "    bbbb|cccc|cccc => bbbb|aaaa|bbbb"
> +	$XFS_IO_PROG -c "copy_range -s 0 -d $objsz -l $(($objsz * 2)) $file" "$dest"
> +	check_range $dest 0 $objsz 62
> +	check_range $dest $objsz $objsz 61
> +	check_range $dest $(($objsz * 2)) $objsz 62
> +
> +	echo "    bbbb|aaaa|bbbb => bbbb|bbbb|cccc"
> +	$XFS_IO_PROG -c "copy_range -s $objsz -d $objsz -l $(($objsz * 2)) $file" "$dest"
> +	check_range $dest 0 $(($objsz * 2)) 62
> +	check_range $dest $(($objsz * 2)) $objsz 63
> +
> +	echo "  Append 1 object:"
> +
> +	echo "    bbbb|bbbb|cccc => bbbb|bbbb|cccc|aaaa"
> +	$XFS_IO_PROG -c "copy_range -s 0 -d $(($objsz * 3)) -l $objsz $file" "$dest"
> +	check_range $dest 0 $(($objsz * 2)) 62
> +	check_range $dest $(($objsz * 2)) $objsz 63
> +	check_range $dest $(($objsz * 3)) $objsz 61
> +
> +	echo "  Cross object boundary (no full object copy)"
> +	echo "    dddd|dddd|dddd|dddd => ddaa|aadd|dddd|dddd"
> +	$XFS_IO_PROG -c "pwrite -S 0x64 0 $(($objsz * 4))" $dest >> $seqres.full 2>&1
> +	$XFS_IO_PROG -c "copy_range -s 0 -d $halfobj -l $objsz $file" "$dest"
> +	check_range $dest 0 $halfobj 64
> +	check_range $dest $halfobj $objsz 61
> +	check_range $dest $(($objsz + $halfobj)) $(($objsz * 2 + $halfobj)) 64
> +
> +	echo "    dddd|dddd|dddd|dddd => ddaa|bbdd|dddd|dddd"
> +	$XFS_IO_PROG -c "pwrite -S 0x64 0 $(($objsz * 4))" $dest >> $seqres.full 2>&1
> +	$XFS_IO_PROG -c "copy_range -s $halfobj -d $halfobj -l $objsz $file" "$dest"
> +	check_range $dest 0 $halfobj 64
> +	check_range $dest $halfobj $halfobj 61
> +	check_range $dest $objsz $halfobj 62
> +	check_range $dest $(($objsz + $halfobj)) $(($objsz * 2 + $halfobj)) 64
> +
> +	echo "  Cross object boundaries (with full object copy)"
> +	echo "    dddd|dddd|dddd|dddd => ddaa|bbbb|dddd|dddd"
> +	$XFS_IO_PROG -c "pwrite -S 0x64 0 $(($objsz * 4))" $dest >> $seqres.full 2>&1
> +	$XFS_IO_PROG -c "copy_range -s $halfobj -d $halfobj -l $(($objsz + $halfobj)) $file" "$dest"
> +	check_range $dest 0 $halfobj 64
> +	check_range $dest $halfobj $halfobj 61
> +	check_range $dest $objsz $objsz 62
> +	check_range $dest $(($objsz * 2)) $(($objsz * 2)) 64
> +
> +	echo "    dddd|dddd|dddd|dddd => ddaa|bbbb|ccdd|dddd"
> +	$XFS_IO_PROG -c "pwrite -S 0x64 0 $(($objsz * 4))" $dest >> $seqres.full 2>&1
> +	$XFS_IO_PROG -c "copy_range -s $halfobj -d $halfobj -l $(($objsz * 2)) $file" "$dest"
> +	check_range $dest 0 $halfobj 64
> +	check_range $dest $halfobj $halfobj 61
> +	check_range $dest $objsz $objsz 62
> +	check_range $dest $(($objsz * 2)) $halfobj 63
> +	check_range $dest $(($objsz * 2 + $halfobj)) $(($objsz + $halfobj)) 64
> +
> +	echo "    dddd|dddd|dddd|dddd => dddd|aaaa|bbdd|dddd"
> +	$XFS_IO_PROG -c "pwrite -S 0x64 0 $(($objsz * 4))" $dest >> $seqres.full 2>&1
> +	$XFS_IO_PROG -c "copy_range -s 0 -d $objsz -l $(($objsz + $halfobj)) $file" "$dest"
> +	check_range $dest 0 $objsz 64
> +	check_range $dest $objsz $objsz 61
> +	check_range $dest $(($objsz * 2)) $halfobj 62
> +	check_range $dest $(($objsz * 2 + $halfobj)) $(($objsz + $halfobj)) 64
> +
> +	echo "  Cross object boundaries (with 2 full object copies)"
> +	echo "    dddd|dddd|dddd|dddd => ddaa|aabb|bbcc|ccdd"
> +	$XFS_IO_PROG -c "pwrite -S 0x64 0 $(($objsz * 4))" $dest >> $seqres.full 2>&1
> +	$XFS_IO_PROG -c "copy_range -s 0 -d $halfobj -l $(($objsz * 3)) $file" "$dest"
> +	check_range $dest 0 $halfobj 64
> +	check_range $dest $halfobj $objsz 61
> +	check_range $dest $(($objsz + $halfobj)) $objsz 62
> +	check_range $dest $(($objsz * 2 + $halfobj)) $objsz 63
> +	check_range $dest $(($objsz * 3 + $halfobj)) $halfobj 64
> +
> +}
> +
> +echo "Object size: 65536" # CEPH_MIN_STRIPE_UNIT
> +run_copy_range_tests 65536
> +echo "Object size: 1M"
> +run_copy_range_tests 1048576
> +echo "Object size: 4M"
> +run_copy_range_tests 4194304
> +# the max object size is 1TB, but by default OSDs only accept a max of 128M objects
> +echo "Object size: 128M"
> +run_copy_range_tests 134217728
> +
> +#success, all done

Minor nit, add a space after '#' for comments.

Thanks,
Eryu

> +status=0
> +exit
> diff --git a/tests/ceph/001.out b/tests/ceph/001.out
> new file mode 100644
> index 000000000000..3cc7837a595d
> --- /dev/null
> +++ b/tests/ceph/001.out
> @@ -0,0 +1,129 @@
> +QA output created by 001
> +Object size: 65536
> +  Copy whole file (3 objects):
> +    aaaa|bbbb|cccc => aaaa|bbbb|cccc
> +  Copy single object to beginning:
> +    dddd|dddd|dddd => aaaa|dddd|dddd
> +    aaaa|dddd|dddd => bbbb|dddd|dddd
> +    bbbb|dddd|dddd => cccc|dddd|dddd
> +  Copy single object to middle:
> +    cccc|dddd|dddd => cccc|aaaa|dddd
> +    cccc|aaaa|dddd => cccc|bbbb|dddd
> +    cccc|bbbb|dddd => cccc|cccc|dddd
> +  Copy single object to end:
> +    cccc|cccc|dddd => cccc|cccc|aaaa
> +    cccc|cccc|aaaa => cccc|cccc|bbbb
> +    cccc|cccc|aaaa => cccc|cccc|cccc
> +  Copy 2 objects to beginning:
> +    cccc|cccc|cccc => aaaa|bbbb|cccc
> +    aaaa|bbbb|cccc => bbbb|cccc|cccc
> +  Copy 2 objects to end:
> +    bbbb|cccc|cccc => bbbb|aaaa|bbbb
> +    bbbb|aaaa|bbbb => bbbb|bbbb|cccc
> +  Append 1 object:
> +    bbbb|bbbb|cccc => bbbb|bbbb|cccc|aaaa
> +  Cross object boundary (no full object copy)
> +    dddd|dddd|dddd|dddd => ddaa|aadd|dddd|dddd
> +    dddd|dddd|dddd|dddd => ddaa|bbdd|dddd|dddd
> +  Cross object boundaries (with full object copy)
> +    dddd|dddd|dddd|dddd => ddaa|bbbb|dddd|dddd
> +    dddd|dddd|dddd|dddd => ddaa|bbbb|ccdd|dddd
> +    dddd|dddd|dddd|dddd => dddd|aaaa|bbdd|dddd
> +  Cross object boundaries (with 2 full object copies)
> +    dddd|dddd|dddd|dddd => ddaa|aabb|bbcc|ccdd
> +Object size: 1M
> +  Copy whole file (3 objects):
> +    aaaa|bbbb|cccc => aaaa|bbbb|cccc
> +  Copy single object to beginning:
> +    dddd|dddd|dddd => aaaa|dddd|dddd
> +    aaaa|dddd|dddd => bbbb|dddd|dddd
> +    bbbb|dddd|dddd => cccc|dddd|dddd
> +  Copy single object to middle:
> +    cccc|dddd|dddd => cccc|aaaa|dddd
> +    cccc|aaaa|dddd => cccc|bbbb|dddd
> +    cccc|bbbb|dddd => cccc|cccc|dddd
> +  Copy single object to end:
> +    cccc|cccc|dddd => cccc|cccc|aaaa
> +    cccc|cccc|aaaa => cccc|cccc|bbbb
> +    cccc|cccc|aaaa => cccc|cccc|cccc
> +  Copy 2 objects to beginning:
> +    cccc|cccc|cccc => aaaa|bbbb|cccc
> +    aaaa|bbbb|cccc => bbbb|cccc|cccc
> +  Copy 2 objects to end:
> +    bbbb|cccc|cccc => bbbb|aaaa|bbbb
> +    bbbb|aaaa|bbbb => bbbb|bbbb|cccc
> +  Append 1 object:
> +    bbbb|bbbb|cccc => bbbb|bbbb|cccc|aaaa
> +  Cross object boundary (no full object copy)
> +    dddd|dddd|dddd|dddd => ddaa|aadd|dddd|dddd
> +    dddd|dddd|dddd|dddd => ddaa|bbdd|dddd|dddd
> +  Cross object boundaries (with full object copy)
> +    dddd|dddd|dddd|dddd => ddaa|bbbb|dddd|dddd
> +    dddd|dddd|dddd|dddd => ddaa|bbbb|ccdd|dddd
> +    dddd|dddd|dddd|dddd => dddd|aaaa|bbdd|dddd
> +  Cross object boundaries (with 2 full object copies)
> +    dddd|dddd|dddd|dddd => ddaa|aabb|bbcc|ccdd
> +Object size: 4M
> +  Copy whole file (3 objects):
> +    aaaa|bbbb|cccc => aaaa|bbbb|cccc
> +  Copy single object to beginning:
> +    dddd|dddd|dddd => aaaa|dddd|dddd
> +    aaaa|dddd|dddd => bbbb|dddd|dddd
> +    bbbb|dddd|dddd => cccc|dddd|dddd
> +  Copy single object to middle:
> +    cccc|dddd|dddd => cccc|aaaa|dddd
> +    cccc|aaaa|dddd => cccc|bbbb|dddd
> +    cccc|bbbb|dddd => cccc|cccc|dddd
> +  Copy single object to end:
> +    cccc|cccc|dddd => cccc|cccc|aaaa
> +    cccc|cccc|aaaa => cccc|cccc|bbbb
> +    cccc|cccc|aaaa => cccc|cccc|cccc
> +  Copy 2 objects to beginning:
> +    cccc|cccc|cccc => aaaa|bbbb|cccc
> +    aaaa|bbbb|cccc => bbbb|cccc|cccc
> +  Copy 2 objects to end:
> +    bbbb|cccc|cccc => bbbb|aaaa|bbbb
> +    bbbb|aaaa|bbbb => bbbb|bbbb|cccc
> +  Append 1 object:
> +    bbbb|bbbb|cccc => bbbb|bbbb|cccc|aaaa
> +  Cross object boundary (no full object copy)
> +    dddd|dddd|dddd|dddd => ddaa|aadd|dddd|dddd
> +    dddd|dddd|dddd|dddd => ddaa|bbdd|dddd|dddd
> +  Cross object boundaries (with full object copy)
> +    dddd|dddd|dddd|dddd => ddaa|bbbb|dddd|dddd
> +    dddd|dddd|dddd|dddd => ddaa|bbbb|ccdd|dddd
> +    dddd|dddd|dddd|dddd => dddd|aaaa|bbdd|dddd
> +  Cross object boundaries (with 2 full object copies)
> +    dddd|dddd|dddd|dddd => ddaa|aabb|bbcc|ccdd
> +Object size: 128M
> +  Copy whole file (3 objects):
> +    aaaa|bbbb|cccc => aaaa|bbbb|cccc
> +  Copy single object to beginning:
> +    dddd|dddd|dddd => aaaa|dddd|dddd
> +    aaaa|dddd|dddd => bbbb|dddd|dddd
> +    bbbb|dddd|dddd => cccc|dddd|dddd
> +  Copy single object to middle:
> +    cccc|dddd|dddd => cccc|aaaa|dddd
> +    cccc|aaaa|dddd => cccc|bbbb|dddd
> +    cccc|bbbb|dddd => cccc|cccc|dddd
> +  Copy single object to end:
> +    cccc|cccc|dddd => cccc|cccc|aaaa
> +    cccc|cccc|aaaa => cccc|cccc|bbbb
> +    cccc|cccc|aaaa => cccc|cccc|cccc
> +  Copy 2 objects to beginning:
> +    cccc|cccc|cccc => aaaa|bbbb|cccc
> +    aaaa|bbbb|cccc => bbbb|cccc|cccc
> +  Copy 2 objects to end:
> +    bbbb|cccc|cccc => bbbb|aaaa|bbbb
> +    bbbb|aaaa|bbbb => bbbb|bbbb|cccc
> +  Append 1 object:
> +    bbbb|bbbb|cccc => bbbb|bbbb|cccc|aaaa
> +  Cross object boundary (no full object copy)
> +    dddd|dddd|dddd|dddd => ddaa|aadd|dddd|dddd
> +    dddd|dddd|dddd|dddd => ddaa|bbdd|dddd|dddd
> +  Cross object boundaries (with full object copy)
> +    dddd|dddd|dddd|dddd => ddaa|bbbb|dddd|dddd
> +    dddd|dddd|dddd|dddd => ddaa|bbbb|ccdd|dddd
> +    dddd|dddd|dddd|dddd => dddd|aaaa|bbdd|dddd
> +  Cross object boundaries (with 2 full object copies)
> +    dddd|dddd|dddd|dddd => ddaa|aabb|bbcc|ccdd
> diff --git a/tests/ceph/group b/tests/ceph/group
> new file mode 100644
> index 000000000000..11f0b9ad03d3
> --- /dev/null
> +++ b/tests/ceph/group
> @@ -0,0 +1 @@
> +001 auto quick copy