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| author | Max Reitz | 2019-08-23 15:03:41 +0200 |
|---|---|---|
| committer | Kevin Wolf | 2019-09-10 08:58:43 +0200 |
| commit | ae6ef0190981a21f2d4bc8dcee7253688f14fae7 (patch) | |
| tree | 9daa71a9330a819f83853e57af56b8dda73a66d8 /tests/qemu-iotests | |
| parent | block/file-posix: Reduce xfsctl() use (diff) | |
| download | qemu-ae6ef0190981a21f2d4bc8dcee7253688f14fae7.tar.gz qemu-ae6ef0190981a21f2d4bc8dcee7253688f14fae7.tar.xz qemu-ae6ef0190981a21f2d4bc8dcee7253688f14fae7.zip | |
iotests: Test reverse sub-cluster qcow2 writes
This exercises the regression introduced in commit
50ba5b2d994853b38fed10e0841b119da0f8b8e5. On my machine, it has close
to a 50 % false-negative rate, but that should still be sufficient to
test the fix.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Tested-by: Stefano Garzarella <sgarzare@redhat.com>
Tested-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'tests/qemu-iotests')
| -rwxr-xr-x | tests/qemu-iotests/265 | 67 | ||||
| -rw-r--r-- | tests/qemu-iotests/265.out | 6 | ||||
| -rw-r--r-- | tests/qemu-iotests/group | 1 |
3 files changed, 74 insertions, 0 deletions
diff --git a/tests/qemu-iotests/265 b/tests/qemu-iotests/265 new file mode 100755 index 0000000000..dce6f77be3 --- /dev/null +++ b/tests/qemu-iotests/265 @@ -0,0 +1,67 @@ +#!/usr/bin/env bash +# +# Test reverse-ordered qcow2 writes on a sub-cluster level +# +# Copyright (C) 2019 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" + +status=1 # failure is the default! + +_cleanup() +{ + _cleanup_test_img +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common.rc +. ./common.filter + +# qcow2-specific test +_supported_fmt qcow2 +_supported_proto file +_supported_os Linux + +echo '--- Writing to the image ---' + +# Reduce cluster size so we get more and quicker I/O +IMGOPTS='cluster_size=4096' _make_test_img 1M +(for ((kb = 1024 - 4; kb >= 0; kb -= 4)); do \ + echo "aio_write -P 42 $((kb + 1))k 2k"; \ + done) \ + | $QEMU_IO "$TEST_IMG" > /dev/null + +echo '--- Verifying its content ---' + +(for ((kb = 0; kb < 1024; kb += 4)); do \ + echo "read -P 0 ${kb}k 1k"; \ + echo "read -P 42 $((kb + 1))k 2k"; \ + echo "read -P 0 $((kb + 3))k 1k"; \ + done) \ + | $QEMU_IO "$TEST_IMG" | _filter_qemu_io | grep 'verification' + +# Status of qemu-io +if [ ${PIPESTATUS[1]} = 0 ]; then + echo 'Content verified.' +fi + +# success, all done +echo "*** done" +rm -f $seq.full +status=0 diff --git a/tests/qemu-iotests/265.out b/tests/qemu-iotests/265.out new file mode 100644 index 0000000000..6eac620f25 --- /dev/null +++ b/tests/qemu-iotests/265.out @@ -0,0 +1,6 @@ +QA output created by 265 +--- Writing to the image --- +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 +--- Verifying its content --- +Content verified. +*** done diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index d95d556414..0c129c1644 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -274,3 +274,4 @@ 257 rw 258 rw quick 262 rw quick migration +265 rw auto quick |