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From daca4d834e727c73565aa0659da6fab52ab7cc6b Mon Sep 17 00:00:00 2001
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From: Fam Zheng <famz@redhat.com>
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Date: Mon, 25 May 2015 04:45:57 +0200
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Subject: [PATCH 5/6] qemu-iotests: Test unaligned sub-block zero write
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Message-id: <1432529157-20381-4-git-send-email-famz@redhat.com>
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Patchwork-id: 65121
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O-Subject: [RHEL-7.2 qemu-kvm PATCH v2 3/3] qemu-iotests: Test unaligned sub-block zero write
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Bugzilla: 1200295
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RH-Acked-by: Max Reitz <mreitz@redhat.com>
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RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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Test zero write in byte range 512~1024 for 4k alignment.
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Signed-off-by: Fam Zheng <famz@redhat.com>
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Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
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Reviewed-by: Kevin Wolf <kwolf@redhat.com>
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Message-id: 1431522721-3266-4-git-send-email-famz@redhat.com
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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(cherry picked from commit ab53c44718305d3fde3d9d2251889f1cab694be2)
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Signed-off-by: Fam Zheng <famz@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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tests/qemu-iotests/033 | 13 +++++++++++++
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tests/qemu-iotests/033.out | 30 ++++++++++++++++++++++++++++++
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2 files changed, 43 insertions(+)
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diff --git a/tests/qemu-iotests/033 b/tests/qemu-iotests/033
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index 4008f10..a61d8ce 100755
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--- a/tests/qemu-iotests/033
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+++ b/tests/qemu-iotests/033
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@@ -78,6 +78,19 @@ for align in 512 4k; do
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echo
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echo "== verifying patterns (2) =="
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do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
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+
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+ echo
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+ echo "== rewriting unaligned zeroes =="
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+ do_test $align "write -P 0xb 0x0 0x1000" "$TEST_IMG" | _filter_qemu_io
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+ do_test $align "write -z 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
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+
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+ echo
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+ echo "== verifying patterns (3) =="
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+ do_test $align "read -P 0xb 0x0 0x200" "$TEST_IMG" | _filter_qemu_io
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+ do_test $align "read -P 0x0 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
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+ do_test $align "read -P 0xb 0x400 0xc00" "$TEST_IMG" | _filter_qemu_io
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+
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+ echo
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done
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# success, all done
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diff --git a/tests/qemu-iotests/033.out b/tests/qemu-iotests/033.out
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index 344065f..6896d73 100644
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--- a/tests/qemu-iotests/033.out
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+++ b/tests/qemu-iotests/033.out
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@@ -27,6 +27,21 @@ wrote 65536/65536 bytes at offset 65536
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read 131072/131072 bytes at offset 1024
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128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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+== rewriting unaligned zeroes ==
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+wrote 4096/4096 bytes at offset 0
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+4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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+wrote 512/512 bytes at offset 512
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+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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+
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+== verifying patterns (3) ==
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+read 512/512 bytes at offset 0
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+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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+read 512/512 bytes at offset 512
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+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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+read 3072/3072 bytes at offset 1024
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+3 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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+
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+
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== preparing image ==
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wrote 1024/1024 bytes at offset 512
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1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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@@ -52,4 +67,19 @@ wrote 65536/65536 bytes at offset 65536
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== verifying patterns (2) ==
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read 131072/131072 bytes at offset 1024
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128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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+
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+== rewriting unaligned zeroes ==
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+wrote 4096/4096 bytes at offset 0
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+4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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+wrote 512/512 bytes at offset 512
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+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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+
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+== verifying patterns (3) ==
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+read 512/512 bytes at offset 0
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+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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+read 512/512 bytes at offset 512
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+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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+read 3072/3072 bytes at offset 1024
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+3 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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+
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*** done
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--
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1.8.3.1
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