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 $seq"
28 status=1 # failure is the default!
34 trap "_cleanup; exit \$status" 0 1 2 3 15
36 # get standard environment, filters and checks
40 _supported_fmt generic
41 _supported_proto generic
54 echo "open -o driver=$IMGFMT,file.align=$align blkdebug::$img"
59 for write_zero_cmd in "write -z" "aio_write -z"; do
60 for align in 512 4k; do
62 echo "== preparing image =="
63 do_test $align "write -P 0xa 0x200 0x400" "$TEST_IMG" | _filter_qemu_io
64 do_test $align "write -P 0xa 0x20000 0x600" "$TEST_IMG" | _filter_qemu_io
65 do_test $align "$write_zero_cmd 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
68 echo "== verifying patterns (1) =="
69 do_test $align "read -P 0xa 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
70 do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
71 do_test $align "read -P 0xa 0x20400 0x200" "$TEST_IMG" | _filter_qemu_io
74 echo "== rewriting zeroes =="
75 do_test $align "write -P 0xb 0x10000 0x10000" "$TEST_IMG" | _filter_qemu_io
76 do_test $align "$write_zero_cmd 0x10000 0x10000" "$TEST_IMG" | _filter_qemu_io
79 echo "== verifying patterns (2) =="
80 do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
83 echo "== rewriting unaligned zeroes =="
84 do_test $align "write -P 0xb 0x0 0x1000" "$TEST_IMG" | _filter_qemu_io
85 do_test $align "$write_zero_cmd 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
88 echo "== verifying patterns (3) =="
89 do_test $align "read -P 0xb 0x0 0x200" "$TEST_IMG" | _filter_qemu_io
90 do_test $align "read -P 0x0 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
91 do_test $align "read -P 0xb 0x400 0xc00" "$TEST_IMG" | _filter_qemu_io