4 # Test corner cases with unusual block geometries
6 # Copyright (C) 2016-2018 Red Hat, Inc.
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.
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.
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/>.
23 owner=eblake@redhat.com
26 echo "QA output created by $seq"
28 status=1 # failure is the default!
34 trap "_cleanup; exit \$status" 0 1 2 3 15
36 # get standard environment, filters and checks
41 _supported_proto file fuse
42 # This test assumes that discard leaves zero clusters; see test 177 for
43 # other tests that also work in older images
44 _unsupported_imgopts 'compat=0.10'
48 options=driver=blkdebug,image.driver=qcow2
49 nested_opts=image.file.driver=file,image.file.filename=$TEST_IMG
52 echo "== setting up files =="
54 TEST_IMG="$TEST_IMG.base" _make_test_img $size
55 $QEMU_IO -c "write -P 11 0 $size" "$TEST_IMG.base" | _filter_qemu_io
56 _make_test_img -b "$TEST_IMG.base" -F $IMGFMT
57 $QEMU_IO -c "write -P 22 0 110M" "$TEST_IMG" | _filter_qemu_io
59 # Limited to 64k max-transfer
61 echo "== constrained alignment and max-transfer =="
62 limits=align=4k,max-transfer=64k
63 $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \
64 -c "write -P 33 1000 128k" -c "read -P 33 1000 128k" | _filter_qemu_io
67 echo "== write zero with constrained max-transfer =="
68 limits=align=512,max-transfer=64k,opt-write-zero=$CLUSTER_SIZE
69 $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \
70 -c "write -z 8003584 2093056" | _filter_qemu_io
72 # non-power-of-2 write-zero/discard alignments
74 echo "== non-power-of-2 write zeroes limits =="
76 limits=align=512,opt-write-zero=15M,max-write-zero=15M,opt-discard=15M,max-discard=15M
77 $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \
78 -c "write -z 32M 32M" | _filter_qemu_io
81 echo "== non-power-of-2 discard limits =="
83 limits=align=512,opt-write-zero=15M,max-write-zero=15M,opt-discard=15M,max-discard=15M
84 $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \
85 -c "discard 80000001 30M" | _filter_qemu_io
88 echo "== block status smaller than alignment =="
90 $QEMU_IO -c "open -o $options,$limits blkdebug::$TEST_IMG" \
91 -c "alloc 1 1" -c "alloc 0x6dffff0 1000" -c "alloc 127m 5P" \
92 -c map | _filter_qemu_io
95 echo "== verify image content =="
99 echo read -P 22 0 1000
100 echo read -P 33 1000 128k
101 echo read -P 22 132072 7871512
102 echo read -P 0 8003584 2093056
103 echo read -P 22 10096640 23457792
104 echo read -P 0 32M 32M
105 echo read -P 22 64M 13M
106 echo read -P 0 77M 29M
107 echo read -P 22 106M 4M
108 echo read -P 11 110M 18M
111 verify_io | $QEMU_IO -r "$TEST_IMG" | _filter_qemu_io
112 $QEMU_IMG map --image-opts "$options,$nested_opts,align=4k" \
113 | _filter_qemu_img_map