| #!/usr/bin/env bash |
| # group: rw auto quick |
| # |
| # Check that detect-zeroes=unmap works on writes with registered I/O buffers. |
| # This is a regression test for |
| # https://gitlab.com/qemu-project/qemu/-/issues/1404 where I/O requests failed |
| # unexpectedly. |
| # |
| # Copyright Red Hat |
| # |
| # 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/>. |
| # |
| |
| # creator |
| owner=stefanha@redhat.com |
| |
| 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 |
| cd .. |
| . ./common.rc |
| . ./common.filter |
| |
| _supported_fmt qcow2 |
| _supported_proto generic |
| |
| size=128M |
| _make_test_img $size |
| IMGSPEC="driver=$IMGFMT,file.filename=$TEST_IMG,discard=unmap,detect-zeroes=unmap" |
| |
| echo |
| echo "== writing zero buffer to image ==" |
| QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS_NO_FMT" $QEMU_IO -c "write -r -P 0 0 4k" --image-opts "$IMGSPEC" | _filter_qemu_io |
| |
| # success, all done |
| echo "*** done" |
| rm -f $seq.full |
| status=0 |
