3 # Test aligned and misaligned write zeroes operations.
5 # Copyright (C) 2012 Red Hat, Inc.
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
25 echo "QA output created by $seq"
28 status=1 # failure is the default!
34 trap "_cleanup; exit \$status" 0 1 2 3 15
36 # get standard environment, filters and checks
40 _supported_fmt generic
41 _supported_proto generic
53 if [ "$IMGOPTSSYNTAX" = "true" ]
56 IO_EXTRA_ARGS="--image-opts"
58 IO_OPEN_ARG="-o driver=$IMGFMT,file.align=$align blkdebug::$img"
62 echo "open $IO_OPEN_ARG"
64 } | $QEMU_IO $IO_EXTRA_ARGS
67 for write_zero_cmd in "write -z" "aio_write -z"; do
68 for align in 512 4k; do
70 echo "== preparing image =="
71 do_test $align "write -P 0xa 0x200 0x400" "$TEST_IMG" | _filter_qemu_io
72 do_test $align "write -P 0xa 0x20000 0x600" "$TEST_IMG" | _filter_qemu_io
73 do_test $align "$write_zero_cmd 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
76 echo "== verifying patterns (1) =="
77 do_test $align "read -P 0xa 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
78 do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
79 do_test $align "read -P 0xa 0x20400 0x200" "$TEST_IMG" | _filter_qemu_io
82 echo "== rewriting zeroes =="
83 do_test $align "write -P 0xb 0x10000 0x10000" "$TEST_IMG" | _filter_qemu_io
84 do_test $align "$write_zero_cmd 0x10000 0x10000" "$TEST_IMG" | _filter_qemu_io
87 echo "== verifying patterns (2) =="
88 do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
91 echo "== rewriting unaligned zeroes =="
92 do_test $align "write -P 0xb 0x0 0x1000" "$TEST_IMG" | _filter_qemu_io
93 do_test $align "$write_zero_cmd 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
96 echo "== verifying patterns (3) =="
97 do_test $align "read -P 0xb 0x0 0x200" "$TEST_IMG" | _filter_qemu_io
98 do_test $align "read -P 0x0 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
99 do_test $align "read -P 0xb 0x400 0xc00" "$TEST_IMG" | _filter_qemu_io