projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| e4603fe1 KW |
1 | #!/bin/bash |
| 2 | # | |
| 3 | # Test that temporary backing file overrides (on the command line or in | |
| 4 | # blockdev-add) don't replace the original path stored in the image during | |
| 5 | # header updates. | |
| 6 | # | |
| 7 | # Copyright (C) 2015 Red Hat, Inc. | |
| 8 | # | |
| 9 | # This program is free software; you can redistribute it and/or modify | |
| 10 | # it under the terms of the GNU General Public License as published by | |
| 11 | # the Free Software Foundation; either version 2 of the License, or | |
| 12 | # (at your option) any later version. | |
| 13 | # | |
| 14 | # This program is distributed in the hope that it will be useful, | |
| 15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 | # GNU General Public License for more details. | |
| 18 | # | |
| 19 | # You should have received a copy of the GNU General Public License | |
| 20 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 21 | # | |
| 22 | ||
| 23 | # creator | |
| 24 | [email protected] | |
| 25 | ||
| 26 | seq="$(basename $0)" | |
| 27 | echo "QA output created by $seq" | |
| 28 | ||
| 29 | here="$PWD" | |
| e4603fe1 KW |
30 | status=1 # failure is the default! |
| 31 | ||
| 32 | _cleanup() | |
| 33 | { | |
| 34 | _cleanup_test_img | |
| 35 | } | |
| 36 | trap "_cleanup; exit \$status" 0 1 2 3 15 | |
| 37 | ||
| 38 | # get standard environment, filters and checks | |
| 39 | . ./common.rc | |
| 40 | . ./common.filter | |
| 41 | . ./common.qemu | |
| 42 | ||
| 43 | _supported_fmt qcow2 | |
| 44 | _supported_proto generic | |
| 45 | _supported_os Linux | |
| 46 | ||
| 47 | qemu_comm_method="monitor" | |
| 48 | ||
| 49 | ||
| 50 | TEST_IMG="$TEST_IMG.orig" _make_test_img 64M | |
| 51 | TEST_IMG="$TEST_IMG.base" _make_test_img 64M | |
| 52 | _make_test_img 64M | |
| 53 | _img_info | _filter_img_info | |
| 54 | ||
| 55 | echo | |
| 56 | echo "=== HMP commit ===" | |
| 57 | echo | |
| 58 | # bdrv_make_empty() involves a header update for qcow2 | |
| 59 | ||
| 60 | # Test that a backing file isn't written | |
| 137a905f BT |
61 | _launch_qemu -drive id=testdisk,file="$TEST_IMG",backing.file.filename="$TEST_IMG.base" |
| 62 | _send_qemu_cmd $QEMU_HANDLE "commit testdisk" "(qemu)" | |
| e4603fe1 KW |
63 | _send_qemu_cmd $QEMU_HANDLE '' '(qemu)' |
| 64 | _cleanup_qemu | |
| 65 | _img_info | _filter_img_info | |
| 66 | ||
| 67 | # Make sure that if there was a backing file that was just overridden on the | |
| 68 | # command line, that backing file is retained, with the right format | |
| 69 | _make_test_img -F raw -b "$TEST_IMG.orig" 64M | |
| 137a905f BT |
70 | _launch_qemu -drive id=testdisk,file="$TEST_IMG",backing.file.filename="$TEST_IMG.base",backing.driver=$IMGFMT |
| 71 | _send_qemu_cmd $QEMU_HANDLE "commit testdisk" "(qemu)" | |
| e4603fe1 KW |
72 | _send_qemu_cmd $QEMU_HANDLE '' '(qemu)' |
| 73 | _cleanup_qemu | |
| 74 | _img_info | _filter_img_info | |
| 75 | ||
| 76 | echo | |
| 77 | echo "=== Marking image dirty (lazy refcounts) ===" | |
| 78 | echo | |
| 79 | ||
| 80 | # Test that a backing file isn't written | |
| 81 | _make_test_img 64M | |
| 82 | $QEMU_IO -c "open -o backing.file.filename=$TEST_IMG.base,lazy-refcounts=on $TEST_IMG" -c "write 0 4k" | _filter_qemu_io | |
| 83 | _img_info | _filter_img_info | |
| 84 | ||
| 85 | # Make sure that if there was a backing file that was just overridden on the | |
| 86 | # command line, that backing file is retained, with the right format | |
| 87 | _make_test_img -F raw -b "$TEST_IMG.orig" 64M | |
| 88 | $QEMU_IO -c "open -o backing.file.filename=$TEST_IMG.base,backing.driver=$IMGFMT,lazy-refcounts=on $TEST_IMG" -c "write 0 4k" | _filter_qemu_io | |
| 89 | _img_info | _filter_img_info | |
| 90 | ||
| 91 | # success, all done | |
| 92 | echo '*** done' | |
| 93 | rm -f $seq.full | |
| 94 | status=0 |