| #!/bin/bash |
| # |
| # qcow2 error path testing |
| # |
| # Copyright (C) 2010 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/>. |
| # |
| |
| # creator |
| owner=kwolf@redhat.com |
| |
| seq=`basename $0` |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| |
| _cleanup() |
| { |
| _cleanup_test_img |
| rm "$TEST_DIR/blkdebug.conf" |
| } |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| # get standard environment, filters and checks |
| . ./common.rc |
| . ./common.filter |
| . ./common.pattern |
| |
| # Currently only qcow2 supports rebasing |
| _supported_fmt qcow2 |
| _supported_proto generic |
| _supported_os Linux |
| |
| |
| echo "Errors while writing 128 kB" |
| echo |
| |
| CLUSTER_SIZE=1024 |
| |
| BLKDBG_TEST_IMG="blkdebug:$TEST_DIR/blkdebug.conf:$TEST_IMG" |
| |
| for event in \ |
| l1_update \ |
| \ |
| l2_load \ |
| l2_update \ |
| l2_alloc.write \ |
| \ |
| write_aio \ |
| \ |
| refblock_load \ |
| refblock_update_part \ |
| refblock_alloc \ |
| \ |
| cluster_alloc \ |
| |
| do |
| |
| for errno in 5 28; do |
| for imm in off; do |
| for once in on off; do |
| for vmstate in "" "-b"; do |
| |
| cat > "$TEST_DIR/blkdebug.conf" <<EOF |
| [inject-error] |
| event = "$event" |
| errno = "$errno" |
| immediately = "$imm" |
| once ="$once" |
| EOF |
| |
| _make_test_img 1G |
| |
| echo |
| echo "Event: $event; errno: $errno; imm: $imm; once: $once; write $vmstate" |
| |
| # We want to catch a simple L2 update, not the allocation of the first L2 table |
| if [ "$event" == "l2_update" ]; then |
| $QEMU_IO -c "write $vmstate 0 512" "$TEST_IMG" > /dev/null 2>&1 |
| fi |
| |
| $QEMU_IO -c "write $vmstate 0 128k " "$BLKDBG_TEST_IMG" | _filter_qemu_io |
| |
| # l2_load is not called on allocation, so issue a second write |
| # Reads are another path to trigger l2_load, so do a read, too |
| if [ "$event" == "l2_load" ]; then |
| $QEMU_IO -c "write $vmstate 0 128k " "$BLKDBG_TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read $vmstate 0 128k " "$BLKDBG_TEST_IMG" | _filter_qemu_io |
| fi |
| |
| _check_test_img 2>&1 | grep -v "refcount=1 reference=0" |
| |
| done |
| done |
| done |
| done |
| done |
| |
| |
| echo |
| echo === Refcout table growth tests === |
| echo |
| CLUSTER_SIZE=512 |
| |
| |
| for event in \ |
| refblock_alloc.hookup \ |
| refblock_alloc.write \ |
| refblock_alloc.write_blocks \ |
| refblock_alloc.write_table \ |
| refblock_alloc.switch_table \ |
| |
| do |
| |
| # This one takes a while, so let's test only one error code (ENOSPC should |
| # never be generated by qemu, so it's probably a good choice) |
| for errno in 28; do |
| for imm in off; do |
| for once in on off; do |
| for vmstate in "" "-b"; do |
| |
| cat > "$TEST_DIR/blkdebug.conf" <<EOF |
| [inject-error] |
| event = "$event" |
| errno = "$errno" |
| immediately = "$imm" |
| once = "$once" |
| EOF |
| |
| _make_test_img 1G |
| |
| echo |
| echo "Event: $event; errno: $errno; imm: $imm; once: $once; write $vmstate" |
| $QEMU_IO -c "write $vmstate 0 64M" "$BLKDBG_TEST_IMG" | _filter_qemu_io |
| |
| _check_test_img 2>&1 | grep -v "refcount=1 reference=0" |
| |
| done |
| done |
| done |
| done |
| done |
| |
| echo |
| echo === L1 growth tests === |
| echo |
| CLUSTER_SIZE=1024 |
| |
| |
| for event in \ |
| l1_grow.alloc_table \ |
| l1_grow.write_table \ |
| l1_grow.activate_table \ |
| |
| do |
| |
| for errno in 5 28; do |
| for imm in off; do |
| for once in on off; do |
| |
| cat > "$TEST_DIR/blkdebug.conf" <<EOF |
| [inject-error] |
| event = "$event" |
| errno = "$errno" |
| immediately = "$imm" |
| once = "$once" |
| EOF |
| |
| _make_test_img 1G |
| |
| echo |
| echo "Event: $event; errno: $errno; imm: $imm; once: $once" |
| $QEMU_IO -c "write -b 0 64k" "$BLKDBG_TEST_IMG" | _filter_qemu_io |
| |
| _check_test_img 2>&1 | grep -v "refcount=1 reference=0" |
| |
| done |
| done |
| done |
| done |
| |
| # success, all done |
| echo "*** done" |
| rm -f $seq.full |
| status=0 |