projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| b41ad73a HR |
1 | #!/bin/bash |
| 2 | # | |
| 3 | # I/O errors when working with internal qcow2 snapshots, and repairing | |
| 4 | # the result | |
| 5 | # | |
| 6 | # Copyright (C) 2018 Red Hat, Inc. | |
| 7 | # | |
| 8 | # This program is free software; you can redistribute it and/or modify | |
| 9 | # it under the terms of the GNU General Public License as published by | |
| 10 | # the Free Software Foundation; either version 2 of the License, or | |
| 11 | # (at your option) any later version. | |
| 12 | # | |
| 13 | # This program is distributed in the hope that it will be useful, | |
| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | # GNU General Public License for more details. | |
| 17 | # | |
| 18 | # You should have received a copy of the GNU General Public License | |
| 19 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 20 | ||
| 21 | seq=$(basename $0) | |
| 22 | echo "QA output created by $seq" | |
| 23 | ||
| 24 | status=1 # failure is the default! | |
| 25 | ||
| 26 | _cleanup() | |
| 27 | { | |
| 28 | _cleanup_test_img | |
| 29 | rm -f "$TEST_DIR/blkdebug.conf" | |
| 30 | } | |
| 31 | trap "_cleanup; exit \$status" 0 1 2 3 15 | |
| 32 | ||
| 33 | # get standard environment, filters and checks | |
| 34 | . ./common.rc | |
| 35 | . ./common.filter | |
| 36 | ||
| 37 | # This test is specific to qcow2 | |
| 38 | _supported_fmt qcow2 | |
| 39 | _supported_proto file | |
| 40 | _supported_os Linux | |
| 41 | ||
| 42 | # This test needs clusters with at least a refcount of 2 so that | |
| 43 | # OFLAG_COPIED is not set. refcount_bits=1 is therefore unsupported. | |
| 44 | _unsupported_imgopts 'refcount_bits=1[^0-9]' | |
| 45 | ||
| 46 | echo | |
| 47 | echo '=== Simulating an I/O error during snapshot deletion ===' | |
| 48 | echo | |
| 49 | ||
| 50 | _make_test_img 64M | |
| 51 | $QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io | |
| 52 | ||
| 53 | # Create the snapshot | |
| 54 | $QEMU_IMG snapshot -c foo "$TEST_IMG" | |
| 55 | ||
| 56 | # Verify the snapshot is there | |
| 57 | echo | |
| 58 | _img_info | grep 'Snapshot list' | |
| 59 | echo '(Snapshot filtered)' | |
| 60 | echo | |
| 61 | ||
| 62 | # Try to delete the snapshot (with an error happening when freeing the | |
| 63 | # then leaked clusters) | |
| 64 | cat > "$TEST_DIR/blkdebug.conf" <<EOF | |
| 65 | [inject-error] | |
| 66 | event = "cluster_free" | |
| 67 | errno = "5" | |
| 68 | EOF | |
| 69 | $QEMU_IMG snapshot -d foo "blkdebug:$TEST_DIR/blkdebug.conf:$TEST_IMG" | |
| 70 | ||
| 71 | # Verify the snapshot is gone | |
| 72 | echo | |
| 73 | _img_info | grep 'Snapshot list' | |
| 74 | ||
| 75 | # Should only show leaks | |
| 76 | echo '--- Checking test image ---' | |
| 77 | _check_test_img | |
| 78 | ||
| 79 | echo | |
| 80 | ||
| 81 | # As there are only leaks, this should be able to fully repair the | |
| 82 | # image | |
| 83 | echo '--- Repairing test image ---' | |
| 84 | _check_test_img -r leaks | |
| 85 | ||
| 86 | ||
| 87 | # success, all done | |
| 88 | echo '*** done' | |
| 89 | rm -f $seq.full | |
| 90 | status=0 |