339f06a3bc
The previous commit removed the last usage of ${tmp} inside the tests
themselves; the only remaining users are sourced by check. So we can now
drop this variable from the tests.
Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Reviewed-by: Bo Tu <tubo@linux.vnet.ibm.com>
Message-id: 1460472980-26319-4-git-send-email-silbe@linux.vnet.ibm.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
272 lines
6.1 KiB
Bash
Executable File
272 lines
6.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# Test concurrent cluster allocations
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#
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# Copyright (C) 2012 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# creator
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owner=kwolf@redhat.com
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seq=`basename $0`
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echo "QA output created by $seq"
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here=`pwd`
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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_supported_fmt qcow2
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_supported_proto file
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_supported_os Linux
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CLUSTER_SIZE=64k
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size=128M
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echo
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echo "== creating backing file for COW tests =="
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_make_test_img $size
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function backing_io()
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{
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local offset=$1
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local sectors=$2
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local op=$3
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local pattern=0
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local cur_sec=0
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for i in $(seq 0 $((sectors - 1))); do
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cur_sec=$((offset / 65536 + i))
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pattern=$(( ( (cur_sec % 128) + (cur_sec / 128)) % 128 ))
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echo "$op -P $pattern $((cur_sec * 64))k 64k"
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done
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}
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backing_io 0 32 write | $QEMU_IO "$TEST_IMG" | _filter_qemu_io
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mv "$TEST_IMG" "$TEST_IMG.base"
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_make_test_img -b "$TEST_IMG.base" 6G
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echo
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echo "== Some concurrent requests touching the same cluster =="
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function overlay_io()
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{
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# Allocate middle of cluster 1, then write to somewhere before and after it
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cat <<EOF
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break write_aio A
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aio_write -P 10 0x18000 0x2000
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wait_break A
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aio_write -P 11 0x12000 0x2000
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aio_write -P 12 0x1c000 0x2000
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resume A
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aio_flush
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EOF
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# Sequential write case: Alloc middle of cluster 2, then write overlapping
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# to next cluster
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cat <<EOF
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break write_aio A
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aio_write -P 20 0x28000 0x2000
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wait_break A
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aio_write -P 21 0x2a000 0x10000
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resume A
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aio_flush
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EOF
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# The same with a gap between both requests
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cat <<EOF
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break write_aio A
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aio_write -P 40 0x48000 0x2000
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wait_break A
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aio_write -P 41 0x4c000 0x10000
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resume A
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aio_flush
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EOF
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# Sequential write, but the next cluster is already allocated
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cat <<EOF
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write -P 70 0x76000 0x8000
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aio_flush
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break write_aio A
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aio_write -P 60 0x66000 0x2000
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wait_break A
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aio_write -P 61 0x6a000 0xe000
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resume A
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aio_flush
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EOF
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# Sequential write, but the next cluster is already allocated
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# and phyiscally in the right position
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cat <<EOF
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write -P 89 0x80000 0x1000
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write -P 90 0x96000 0x8000
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aio_flush
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discard 0x80000 0x10000
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aio_flush
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break write_aio A
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aio_write -P 80 0x86000 0x2000
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wait_break A
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aio_write -P 81 0x8a000 0xe000
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resume A
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aio_flush
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EOF
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# Sequential write, and the next cluster is compressed
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cat <<EOF
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write -P 109 0xa0000 0x1000
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write -c -P 110 0xb0000 0x10000
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aio_flush
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discard 0xa0000 0x10000
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aio_flush
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break write_aio A
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aio_write -P 100 0xa6000 0x2000
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wait_break A
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aio_write -P 101 0xaa000 0xe000
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resume A
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aio_flush
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EOF
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# Reverse sequential write
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cat <<EOF
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break write_aio A
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aio_write -P 121 0xdc000 0x2000
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wait_break A
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aio_write -P 120 0xc4000 0x18000
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resume A
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aio_flush
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EOF
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# Reverse sequential write with a gap
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cat <<EOF
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break write_aio A
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aio_write -P 141 0xfc000 0x2000
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wait_break A
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aio_write -P 140 0xe4000 0x14000
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resume A
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aio_flush
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EOF
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# Allocate an area in the middle and then overwrite with a larger request
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cat <<EOF
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break write_aio A
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aio_write -P 161 0x10c000 0x8000
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wait_break A
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aio_write -P 160 0x104000 0x18000
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resume A
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aio_flush
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EOF
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}
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overlay_io | $QEMU_IO blkdebug::"$TEST_IMG" | _filter_qemu_io |\
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sed -e 's/bytes at offset [0-9]*/bytes at offset XXX/g'
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echo
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echo "== Verify image content =="
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function verify_io()
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{
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if ($QEMU_IMG info -f "$IMGFMT" "$TEST_IMG" | grep "compat: 0.10" > /dev/null); then
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# For v2 images, discarded clusters are read from the backing file
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# Keep the variable empty so that the backing file value can be used as
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# the default below
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discarded=
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else
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# Discarded clusters are zeroed for v3 or later
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discarded=0
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fi
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echo read -P 0 0 0x10000
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echo read -P 1 0x10000 0x2000
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echo read -P 11 0x12000 0x2000
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echo read -P 1 0x14000 0x4000
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echo read -P 10 0x18000 0x2000
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echo read -P 1 0x1a000 0x2000
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echo read -P 12 0x1c000 0x2000
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echo read -P 1 0x1e000 0x2000
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echo read -P 2 0x20000 0x8000
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echo read -P 20 0x28000 0x2000
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echo read -P 21 0x2a000 0x10000
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echo read -P 3 0x3a000 0x6000
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echo read -P 4 0x40000 0x8000
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echo read -P 40 0x48000 0x2000
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echo read -P 4 0x4a000 0x2000
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echo read -P 41 0x4c000 0x10000
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echo read -P 5 0x5c000 0x4000
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echo read -P 6 0x60000 0x6000
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echo read -P 60 0x66000 0x2000
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echo read -P 6 0x68000 0x2000
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echo read -P 61 0x6a000 0xe000
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echo read -P 70 0x78000 0x6000
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echo read -P 7 0x7e000 0x2000
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echo read -P ${discarded:-8} 0x80000 0x6000
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echo read -P 80 0x86000 0x2000
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echo read -P ${discarded:-8} 0x88000 0x2000
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echo read -P 81 0x8a000 0xe000
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echo read -P 90 0x98000 0x6000
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echo read -P 9 0x9e000 0x2000
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echo read -P ${discarded:-10} 0xa0000 0x6000
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echo read -P 100 0xa6000 0x2000
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echo read -P ${discarded:-10} 0xa8000 0x2000
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echo read -P 101 0xaa000 0xe000
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echo read -P 110 0xb8000 0x8000
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echo read -P 12 0xc0000 0x4000
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echo read -P 120 0xc4000 0x18000
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echo read -P 121 0xdc000 0x2000
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echo read -P 13 0xde000 0x2000
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echo read -P 14 0xe0000 0x4000
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echo read -P 140 0xe4000 0x14000
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echo read -P 15 0xf8000 0x4000
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echo read -P 141 0xfc000 0x2000
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echo read -P 15 0xfe000 0x2000
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echo read -P 16 0x100000 0x4000
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echo read -P 160 0x104000 0x8000
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# Undefined content for 0x10c000 0x8000
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echo read -P 160 0x114000 0x8000
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echo read -P 17 0x11c000 0x4000
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}
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verify_io | $QEMU_IO "$TEST_IMG" | _filter_qemu_io
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_check_test_img
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# success, all done
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echo "*** done"
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rm -f $seq.full
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status=0
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