Commit 61815d6e authored by Fam Zheng's avatar Fam Zheng Committed by Stefan Hajnoczi
Browse files

qemu-iotests: Test unaligned 4k zero write 



Signed-off-by: default avatarFam Zheng <famz@redhat.com>
Message-id: 1427160230-4489-3-git-send-email-famz@redhat.com
Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
parent fc3959e4

tests/qemu-iotests/033

+30 −17
Original line number Diff line number Diff line
@@ -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"

tests/qemu-iotests/033.out

+26 −0
Original line number Diff line number Diff line
@@ -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)