iotests: Add test for qcow2's bdrv_make_empty
Add a test for qcow2's fast bdrv_make_empty implementation on images without internal snapshots. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1414159063-25977-15-git-send-email-mreitz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Max Reitz
Stefan Hajnoczi
parent
e6ea23126c
commit
7d90030196
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#!/bin/bash
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#
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# Test qcow2's bdrv_make_empty for images without internal snapshots
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#
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# Copyright (C) 2014 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=mreitz@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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tmp=/tmp/$$
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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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rm -f "$TEST_DIR/blkdebug.conf"
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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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. ./common.pattern
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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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IMGOPTS="compat=1.1"
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for event in l1_update empty_image_prepare reftable_update refblock_alloc; do
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echo
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echo "=== $event ==="
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echo
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TEST_IMG="$TEST_IMG.base" _make_test_img 64M
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_make_test_img -b "$TEST_IMG.base" 64M
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# Some data that can be leaked when emptying the top image
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$QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io
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cat > "$TEST_DIR/blkdebug.conf" <<EOF
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[inject-error]
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event = "$event"
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EOF
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$QEMU_IMG commit "blkdebug:$TEST_DIR/blkdebug.conf:$TEST_IMG" 2>&1 \
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| _filter_testdir | _filter_imgfmt
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# There may be errors, but they should be fixed by opening the image
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$QEMU_IO -c close "$TEST_IMG"
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_check_test_img
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done
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rm -f "$TEST_DIR/blkdebug.conf"
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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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@ -0,0 +1,52 @@
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QA output created by 098
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=== l1_update ===
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Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file='TEST_DIR/t.IMGFMT.base'
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wrote 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-img: Could not empty blkdebug:TEST_DIR/blkdebug.conf:TEST_DIR/t.IMGFMT: Input/output error
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No errors were found on the image.
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=== empty_image_prepare ===
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Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file='TEST_DIR/t.IMGFMT.base'
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wrote 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-img: Could not empty blkdebug:TEST_DIR/blkdebug.conf:TEST_DIR/t.IMGFMT: Input/output error
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Leaked cluster 4 refcount=1 reference=0
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Leaked cluster 5 refcount=1 reference=0
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Repairing cluster 4 refcount=1 reference=0
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Repairing cluster 5 refcount=1 reference=0
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No errors were found on the image.
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=== reftable_update ===
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Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file='TEST_DIR/t.IMGFMT.base'
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wrote 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-img: Could not empty blkdebug:TEST_DIR/blkdebug.conf:TEST_DIR/t.IMGFMT: Input/output error
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ERROR cluster 0 refcount=0 reference=1
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ERROR cluster 1 refcount=0 reference=1
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ERROR cluster 3 refcount=0 reference=1
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Rebuilding refcount structure
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Repairing cluster 1 refcount=1 reference=0
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No errors were found on the image.
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=== refblock_alloc ===
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Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file='TEST_DIR/t.IMGFMT.base'
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wrote 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-img: Could not empty blkdebug:TEST_DIR/blkdebug.conf:TEST_DIR/t.IMGFMT: Input/output error
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ERROR cluster 0 refcount=0 reference=1
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ERROR cluster 1 refcount=0 reference=1
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ERROR cluster 3 refcount=0 reference=1
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Rebuilding refcount structure
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Repairing cluster 1 refcount=1 reference=0
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No errors were found on the image.
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*** done
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@ -101,6 +101,7 @@
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092 rw auto quick
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092 rw auto quick
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095 rw auto quick
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095 rw auto quick
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097 rw auto backing
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097 rw auto backing
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098 rw auto backing quick
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099 rw auto quick
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099 rw auto quick
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100 rw auto quick
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100 rw auto quick
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101 rw auto quick
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101 rw auto quick
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