qemu-iotests: Test unaligned 4k zero write

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 1427160230-4489-3-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Fam Zheng 2015-03-24 09:23:50 +08:00 committed by Stefan Hajnoczi
parent fc3959e466
commit 61815d6e0a
2 changed files with 56 additions and 17 deletions

View File

@ -46,26 +46,39 @@ _supported_os Linux
size=128M
_make_test_img $size
do_test()
{
local align=$1
local iocmd=$2
local img=$3
{
echo "open -o driver=$IMGFMT,file.align=$align blkdebug::$img"
echo $iocmd
} | $QEMU_IO
}
for align in 512 4k; do
echo
echo "== preparing image =="
$QEMU_IO -c "write -P 0xa 0x200 0x400" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "write -P 0xa 0x20000 0x600" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "write -z 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
do_test $align "write -P 0xa 0x200 0x400" "$TEST_IMG" | _filter_qemu_io
do_test $align "write -P 0xa 0x20000 0x600" "$TEST_IMG" | _filter_qemu_io
do_test $align "write -z 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verifying patterns (1) =="
$QEMU_IO -c "read -P 0xa 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0xa 0x20400 0x200" "$TEST_IMG" | _filter_qemu_io
do_test $align "read -P 0xa 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
do_test $align "read -P 0xa 0x20400 0x200" "$TEST_IMG" | _filter_qemu_io
echo
echo "== rewriting zeroes =="
$QEMU_IO -c "write -P 0xb 0x10000 0x10000" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "write -z 0x10000 0x10000" "$TEST_IMG" | _filter_qemu_io
do_test $align "write -P 0xb 0x10000 0x10000" "$TEST_IMG" | _filter_qemu_io
do_test $align "write -z 0x10000 0x10000" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verifying patterns (2) =="
$QEMU_IO -c "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
done
# success, all done
echo "*** done"

View File

@ -23,6 +23,32 @@ wrote 65536/65536 bytes at offset 65536
wrote 65536/65536 bytes at offset 65536
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== verifying patterns (2) ==
read 131072/131072 bytes at offset 1024
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== preparing image ==
wrote 1024/1024 bytes at offset 512
1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 1536/1536 bytes at offset 131072
1.500 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 131072/131072 bytes at offset 1024
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== verifying patterns (1) ==
read 512/512 bytes at offset 512
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 131072/131072 bytes at offset 1024
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 132096
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== rewriting zeroes ==
wrote 65536/65536 bytes at offset 65536
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 65536/65536 bytes at offset 65536
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== verifying patterns (2) ==
read 131072/131072 bytes at offset 1024
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)