mirror of https://github.com/proxmox/mirror_qemu
iotests: Copy 197 for COR filter driver
iotest 197 tests copy-on-read using the (now old) copy-on-read flag. Copy it to 215 and modify it to use the COR filter driver instead. Signed-off-by: Max Reitz <mreitz@redhat.com> Message-id: 20180421132929.21610-9-mreitz@redhat.com Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>master
Max Reitz
parent
5fdc0b73eb
commit
a62cbac4ce
|
|
@ -0,0 +1,120 @@
|
|||
#!/bin/bash
|
||||
#
|
||||
# Test case for copy-on-read into qcow2, using the COR filter driver
|
||||
#
|
||||
# Copyright (C) 2018 Red Hat, Inc.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation; either version 2 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
#
|
||||
|
||||
seq="$(basename $0)"
|
||||
echo "QA output created by $seq"
|
||||
|
||||
here="$PWD"
|
||||
status=1 # failure is the default!
|
||||
|
||||
# get standard environment, filters and checks
|
||||
. ./common.rc
|
||||
. ./common.filter
|
||||
|
||||
TEST_WRAP="$TEST_DIR/t.wrap.qcow2"
|
||||
BLKDBG_CONF="$TEST_DIR/blkdebug.conf"
|
||||
|
||||
# Sanity check: our use of blkdebug fails if $TEST_DIR contains spaces
|
||||
# or other problems
|
||||
case "$TEST_DIR" in
|
||||
*[^-_a-zA-Z0-9/]*)
|
||||
_notrun "Suspicious TEST_DIR='$TEST_DIR', cowardly refusing to run" ;;
|
||||
esac
|
||||
|
||||
_cleanup()
|
||||
{
|
||||
_cleanup_test_img
|
||||
rm -f "$TEST_WRAP"
|
||||
rm -f "$BLKDBG_CONF"
|
||||
}
|
||||
trap "_cleanup; exit \$status" 0 1 2 3 15
|
||||
|
||||
# Test is supported for any backing file; but we force qcow2 for our wrapper.
|
||||
_supported_fmt generic
|
||||
_supported_proto generic
|
||||
_supported_os Linux
|
||||
# LUKS support may be possible, but it complicates things.
|
||||
_unsupported_fmt luks
|
||||
|
||||
echo
|
||||
echo '=== Copy-on-read ==='
|
||||
echo
|
||||
|
||||
# Prep the images
|
||||
# VPC rounds image sizes to a specific geometry, force a specific size.
|
||||
if [ "$IMGFMT" = "vpc" ]; then
|
||||
IMGOPTS=$(_optstr_add "$IMGOPTS" "force_size")
|
||||
fi
|
||||
_make_test_img 4G
|
||||
$QEMU_IO -c "write -P 55 3G 1k" "$TEST_IMG" | _filter_qemu_io
|
||||
IMGPROTO=file IMGFMT=qcow2 IMGOPTS= TEST_IMG_FILE="$TEST_WRAP" \
|
||||
_make_test_img -F "$IMGFMT" -b "$TEST_IMG" | _filter_img_create
|
||||
$QEMU_IO -f qcow2 -c "write -z -u 1M 64k" "$TEST_WRAP" | _filter_qemu_io
|
||||
|
||||
# Ensure that a read of two clusters, but where one is already allocated,
|
||||
# does not re-write the allocated cluster
|
||||
cat > "$BLKDBG_CONF" <<EOF
|
||||
[inject-error]
|
||||
event = "cor_write"
|
||||
sector = "2048"
|
||||
EOF
|
||||
$QEMU_IO -c "open \
|
||||
-o driver=copy-on-read,file.driver=blkdebug,file.config=$BLKDBG_CONF,file.image.driver=qcow2 $TEST_WRAP" \
|
||||
-c "read -P 0 1M 128k" | _filter_qemu_io
|
||||
|
||||
# Read the areas we want copied. A zero-length read should still be a
|
||||
# no-op. The next read is under 2G, but aligned so that rounding to
|
||||
# clusters copies more than 2G of zeroes. The final read will pick up
|
||||
# the non-zero data in the same cluster. Since a 2G read may exhaust
|
||||
# memory on some machines (particularly 32-bit), we skip the test if
|
||||
# that fails due to memory pressure.
|
||||
$QEMU_IO \
|
||||
-c "open -o driver=copy-on-read,file.driver=qcow2 $TEST_WRAP" \
|
||||
-c "read 0 0" \
|
||||
| _filter_qemu_io
|
||||
output=$($QEMU_IO \
|
||||
-c "open -o driver=copy-on-read,file.driver=qcow2 $TEST_WRAP" \
|
||||
-c "read -P 0 1k $((2*1024*1024*1024 - 512))" \
|
||||
2>&1 | _filter_qemu_io)
|
||||
case $output in
|
||||
*allocate*)
|
||||
_notrun "Insufficent memory to run test" ;;
|
||||
*) printf '%s\n' "$output" ;;
|
||||
esac
|
||||
$QEMU_IO \
|
||||
-c "open -o driver=copy-on-read,file.driver=qcow2 $TEST_WRAP" \
|
||||
-c "read -P 0 $((3*1024*1024*1024 + 1024)) 1k" \
|
||||
| _filter_qemu_io
|
||||
|
||||
# Copy-on-read is incompatible with read-only
|
||||
$QEMU_IO \
|
||||
-c "open -r -o driver=copy-on-read,file.driver=qcow2 $TEST_WRAP" \
|
||||
2>&1 | _filter_testdir
|
||||
|
||||
# Break the backing chain, and show that images are identical, and that
|
||||
# we properly copied over explicit zeros.
|
||||
$QEMU_IMG rebase -u -b "" -f qcow2 "$TEST_WRAP"
|
||||
$QEMU_IO -f qcow2 -c map "$TEST_WRAP"
|
||||
_check_test_img
|
||||
$QEMU_IMG compare -f $IMGFMT -F qcow2 "$TEST_IMG" "$TEST_WRAP"
|
||||
|
||||
# success, all done
|
||||
echo '*** done'
|
||||
status=0
|
||||
|
|
@ -0,0 +1,26 @@
|
|||
QA output created by 215
|
||||
|
||||
=== Copy-on-read ===
|
||||
|
||||
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=4294967296
|
||||
wrote 1024/1024 bytes at offset 3221225472
|
||||
1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||
Formatting 'TEST_DIR/t.wrap.IMGFMT', fmt=IMGFMT size=4294967296 backing_file=TEST_DIR/t.IMGFMT backing_fmt=IMGFMT
|
||||
wrote 65536/65536 bytes at offset 1048576
|
||||
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||
read 131072/131072 bytes at offset 1048576
|
||||
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||
read 0/0 bytes at offset 0
|
||||
0 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||
read 2147483136/2147483136 bytes at offset 1024
|
||||
2 GiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||
read 1024/1024 bytes at offset 3221226496
|
||||
1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||
can't open device TEST_DIR/t.wrap.qcow2: Block node is read-only
|
||||
2 GiB (0x80010000) bytes allocated at offset 0 bytes (0x0)
|
||||
1023.938 MiB (0x3fff0000) bytes not allocated at offset 2 GiB (0x80010000)
|
||||
64 KiB (0x10000) bytes allocated at offset 3 GiB (0xc0000000)
|
||||
1023.938 MiB (0x3fff0000) bytes not allocated at offset 3 GiB (0xc0010000)
|
||||
No errors were found on the image.
|
||||
Images are identical.
|
||||
*** done
|
||||
|
|
@ -213,4 +213,5 @@
|
|||
212 rw auto quick
|
||||
213 rw auto quick
|
||||
214 rw auto
|
||||
215 rw auto quick
|
||||
218 rw auto quick
|
||||
|
|
|
|||
Loading…
Reference in New Issue