57284d2ada
Many tests (that do not support generic protocols) can run just fine with FUSE-exported images, so allow them to. Note that this is no attempt at being definitely complete. There are some tests that might be modified to run on FUSE, but this patch still skips them. This patch only tries to pick the rather low-hanging fruits. Note that 221 and 250 only pass when .lseek is correctly implemented, which is only possible with a libfuse that is 3.8 or newer. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20201027190600.192171-20-mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
98 lines
3.1 KiB
Bash
Executable file
98 lines
3.1 KiB
Bash
Executable file
#!/usr/bin/env bash
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#
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# Test how 'qemu-io -c discard' behaves on v2 and v3 qcow2 images
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#
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# Copyright (C) 2020 Igalia, S.L.
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# Author: Alberto Garcia <berto@igalia.com>
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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=berto@igalia.com
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seq=`basename $0`
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echo "QA output created by $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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_supported_fmt qcow2
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_supported_proto file fuse
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_supported_os Linux
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_unsupported_imgopts 'compat=0.10' refcount_bits data_file
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echo
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echo "### Test 'qemu-io -c discard' on a QCOW2 image without a backing file"
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echo
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for qcow2_compat in 0.10 1.1; do
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echo "# Create an image with compat=$qcow2_compat without a backing file"
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_make_test_img -o "compat=$qcow2_compat" 128k
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echo "# Fill all clusters with data and then discard them"
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$QEMU_IO -c 'write -P 0x01 0 128k' "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c 'discard 0 128k' "$TEST_IMG" | _filter_qemu_io
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echo "# Read the data from the discarded clusters"
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$QEMU_IO -c 'read -P 0x00 0 128k' "$TEST_IMG" | _filter_qemu_io
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echo "# Output of qemu-img map"
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$QEMU_IMG map "$TEST_IMG" | _filter_testdir
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done
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echo
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echo "### Test 'qemu-io -c discard' on a QCOW2 image with a backing file"
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echo
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echo "# Create a backing image and fill it with data"
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BACKING_IMG="$TEST_IMG.base"
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TEST_IMG="$BACKING_IMG" _make_test_img 128k
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$QEMU_IO -c 'write -P 0xff 0 128k' "$BACKING_IMG" | _filter_qemu_io
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for qcow2_compat in 0.10 1.1; do
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echo "# Create an image with compat=$qcow2_compat and a backing file"
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_make_test_img -o "compat=$qcow2_compat" -b "$BACKING_IMG" -F $IMGFMT
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echo "# Fill all clusters with data and then discard them"
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$QEMU_IO -c 'write -P 0x01 0 128k' "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c 'discard 0 128k' "$TEST_IMG" | _filter_qemu_io
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echo "# Read the data from the discarded clusters"
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if [ "$qcow2_compat" = "1.1" ]; then
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# In qcow2 v3 clusters are zeroed (with QCOW_OFLAG_ZERO)
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$QEMU_IO -c 'read -P 0x00 0 128k' "$TEST_IMG" | _filter_qemu_io
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else
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# In qcow2 v2 if there's a backing image we cannot zero the clusters
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# without exposing the backing file data so discard does nothing
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$QEMU_IO -c 'read -P 0x01 0 128k' "$TEST_IMG" | _filter_qemu_io
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fi
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echo "# Output of qemu-img map"
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$QEMU_IMG map "$TEST_IMG" | _filter_testdir
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done
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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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