diff options
| -rwxr-xr-x | tests/qemu-iotests/039 | 136 | ||||
| -rw-r--r-- | tests/qemu-iotests/039.out | 53 | ||||
| -rw-r--r-- | tests/qemu-iotests/group | 1 |
3 files changed, 190 insertions, 0 deletions
diff --git a/tests/qemu-iotests/039 b/tests/qemu-iotests/039 new file mode 100755 index 0000000000..a749fcf23b --- /dev/null +++ b/tests/qemu-iotests/039 @@ -0,0 +1,136 @@ +#!/bin/bash +# +# Test qcow2 lazy refcounts +# +# Copyright (C) 2012 Red Hat, Inc. +# Copyright IBM, Corp. 2010 +# +# Based on test 038. +# +# 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@linux.vnet.ibm.com + +seq=`basename $0` +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +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 + +_supported_fmt qcow2 +_supported_proto generic +_supported_os Linux + +size=128M + +echo +echo "== Checking that image is clean on shutdown ==" + +IMGOPTS="compat=1.1,lazy_refcounts=on" +_make_test_img $size + +$QEMU_IO -c "write -P 0x5a 0 512" $TEST_IMG | _filter_qemu_io + +# The dirty bit must not be set +./qcow2.py $TEST_IMG dump-header | grep incompatible_features +_check_test_img + +echo +echo "== Creating a dirty image file ==" + +IMGOPTS="compat=1.1,lazy_refcounts=on" +_make_test_img $size + +old_ulimit=$(ulimit -c) +ulimit -c 0 # do not produce a core dump on abort(3) +$QEMU_IO -c "write -P 0x5a 0 512" -c "abort" $TEST_IMG | _filter_qemu_io +ulimit -c "$old_ulimit" + +# The dirty bit must be set +./qcow2.py $TEST_IMG dump-header | grep incompatible_features +_check_test_img + +echo +echo "== Read-only access must still work ==" + +$QEMU_IO -r -c "read -P 0x5a 0 512" $TEST_IMG | _filter_qemu_io + +# The dirty bit must be set +./qcow2.py $TEST_IMG dump-header | grep incompatible_features + +echo +echo "== Repairing the image file must succeed ==" + +$QEMU_IMG check -r all $TEST_IMG + +# The dirty bit must not be set +./qcow2.py $TEST_IMG dump-header | grep incompatible_features + +echo +echo "== Data should still be accessible after repair ==" + +$QEMU_IO -c "read -P 0x5a 0 512" $TEST_IMG | _filter_qemu_io + +echo +echo "== Opening a dirty image read/write should repair it ==" + +IMGOPTS="compat=1.1,lazy_refcounts=on" +_make_test_img $size + +old_ulimit=$(ulimit -c) +ulimit -c 0 # do not produce a core dump on abort(3) +$QEMU_IO -c "write -P 0x5a 0 512" -c "abort" $TEST_IMG | _filter_qemu_io +ulimit -c "$old_ulimit" + +# The dirty bit must be set +./qcow2.py $TEST_IMG dump-header | grep incompatible_features + +$QEMU_IO -c "write 0 512" $TEST_IMG | _filter_qemu_io + +# The dirty bit must not be set +./qcow2.py $TEST_IMG dump-header | grep incompatible_features + +echo +echo "== Creating an image file with lazy_refcounts=off ==" + +IMGOPTS="compat=1.1,lazy_refcounts=off" +_make_test_img $size + +old_ulimit=$(ulimit -c) +ulimit -c 0 # do not produce a core dump on abort(3) +$QEMU_IO -c "write -P 0x5a 0 512" -c "abort" $TEST_IMG | _filter_qemu_io +ulimit -c "$old_ulimit" + +# The dirty bit must not be set since lazy_refcounts=off +./qcow2.py $TEST_IMG dump-header | grep incompatible_features +_check_test_img + +# success, all done +echo "*** done" +rm -f $seq.full +status=0 + diff --git a/tests/qemu-iotests/039.out b/tests/qemu-iotests/039.out new file mode 100644 index 0000000000..8ad570d33f --- /dev/null +++ b/tests/qemu-iotests/039.out @@ -0,0 +1,53 @@ +QA output created by 039 + +== Checking that image is clean on shutdown == +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 lazy_refcounts=on +wrote 512/512 bytes at offset 0 +512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +incompatible_features 0x0 +No errors were found on the image. + +== Creating a dirty image file == +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 lazy_refcounts=on +wrote 512/512 bytes at offset 0 +512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +incompatible_features 0x1 +ERROR OFLAG_COPIED: offset=8000000000050000 refcount=0 +ERROR cluster 5 refcount=0 reference=1 + +2 errors were found on the image. +Data may be corrupted, or further writes to the image may corrupt it. + +== Read-only access must still work == +read 512/512 bytes at offset 0 +512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +incompatible_features 0x1 + +== Repairing the image file must succeed == +ERROR OFLAG_COPIED: offset=8000000000050000 refcount=0 +Repairing cluster 5 refcount=0 reference=1 +No errors were found on the image. +incompatible_features 0x0 + +== Data should still be accessible after repair == +read 512/512 bytes at offset 0 +512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) + +== Opening a dirty image read/write should repair it == +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 lazy_refcounts=on +wrote 512/512 bytes at offset 0 +512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +incompatible_features 0x1 +ERROR OFLAG_COPIED: offset=8000000000050000 refcount=0 +Repairing cluster 5 refcount=0 reference=1 +wrote 512/512 bytes at offset 0 +512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +incompatible_features 0x0 + +== Creating an image file with lazy_refcounts=off == +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 +wrote 512/512 bytes at offset 0 +512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +incompatible_features 0x0 +No errors were found on the image. +*** done diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index 7a2c92b6e9..ebb5ca4b41 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -45,3 +45,4 @@ 036 rw auto quick 037 rw auto backing 038 rw auto backing +039 rw auto |