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From 7441576422844bf66c7560c5940d8159aa8f6882 Mon Sep 17 00:00:00 2001
From: Fam Zheng <famz@redhat.com>
Date: Mon, 25 May 2015 04:45:55 +0200
Subject: [PATCH 3/6] qemu-iotests: Test unaligned 4k zero write

Message-id: <1432529157-20381-2-git-send-email-famz@redhat.com>
Patchwork-id: 65119
O-Subject: [RHEL-7.2 qemu-kvm PATCH v2 1/3] qemu-iotests: Test unaligned 4k zero write
Bugzilla: 1200295
RH-Acked-by: Max Reitz <mreitz@redhat.com>
RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>

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>
(cherry picked from commit 61815d6e0aa1a549ad55f6621b6816aa6b1ab757)
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 tests/qemu-iotests/033     | 47 +++++++++++++++++++++++++++++-----------------
 tests/qemu-iotests/033.out | 26 +++++++++++++++++++++++++
 2 files changed, 56 insertions(+), 17 deletions(-)

diff --git a/tests/qemu-iotests/033 b/tests/qemu-iotests/033
index ea3351c..4008f10 100755
--- a/tests/qemu-iotests/033
+++ b/tests/qemu-iotests/033
@@ -46,26 +46,39 @@ _supported_os Linux
 size=128M
 _make_test_img $size
 
-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()
+{
+	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 =="
+	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
+	echo
+	echo "== verifying patterns (1) =="
+	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
+	echo
+	echo "== rewriting zeroes =="
+	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
+	echo
+	echo "== verifying patterns (2) =="
+	do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
+done
 
 # success, all done
 echo "*** done"
diff --git a/tests/qemu-iotests/033.out b/tests/qemu-iotests/033.out
index 2fe74df..344065f 100644
--- a/tests/qemu-iotests/033.out
+++ b/tests/qemu-iotests/033.out
@@ -26,4 +26,30 @@ wrote 65536/65536 bytes at offset 65536
 == 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)
 *** done
-- 
1.8.3.1