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[Qemu-devel] [PULL 37/38] qemu-iotests: Test unaligned sub-block zero wr
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PULL 37/38] qemu-iotests: Test unaligned sub-block zero write |
Date: |
Fri, 22 May 2015 10:02:09 +0100 |
From: Fam Zheng <address@hidden>
Test zero write in byte range 512~1024 for 4k alignment.
Signed-off-by: Fam Zheng <address@hidden>
Reviewed-by: Stefan Hajnoczi <address@hidden>
Reviewed-by: Kevin Wolf <address@hidden>
Message-id: address@hidden
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
tests/qemu-iotests/033 | 13 +++++++++++++
tests/qemu-iotests/033.out | 30 ++++++++++++++++++++++++++++++
2 files changed, 43 insertions(+)
diff --git a/tests/qemu-iotests/033 b/tests/qemu-iotests/033
index 4008f10..a61d8ce 100755
--- a/tests/qemu-iotests/033
+++ b/tests/qemu-iotests/033
@@ -78,6 +78,19 @@ for align in 512 4k; do
echo
echo "== verifying patterns (2) =="
do_test $align "read -P 0x0 0x400 0x20000" "$TEST_IMG" | _filter_qemu_io
+
+ echo
+ echo "== rewriting unaligned zeroes =="
+ do_test $align "write -P 0xb 0x0 0x1000" "$TEST_IMG" | _filter_qemu_io
+ do_test $align "write -z 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
+
+ echo
+ echo "== verifying patterns (3) =="
+ do_test $align "read -P 0xb 0x0 0x200" "$TEST_IMG" | _filter_qemu_io
+ do_test $align "read -P 0x0 0x200 0x200" "$TEST_IMG" | _filter_qemu_io
+ do_test $align "read -P 0xb 0x400 0xc00" "$TEST_IMG" | _filter_qemu_io
+
+ echo
done
# success, all done
diff --git a/tests/qemu-iotests/033.out b/tests/qemu-iotests/033.out
index 305949f..c3d18aa 100644
--- a/tests/qemu-iotests/033.out
+++ b/tests/qemu-iotests/033.out
@@ -27,6 +27,21 @@ wrote 65536/65536 bytes at offset 65536
read 131072/131072 bytes at offset 1024
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+== rewriting unaligned zeroes ==
+wrote 4096/4096 bytes at offset 0
+4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 512/512 bytes at offset 512
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+== verifying patterns (3) ==
+read 512/512 bytes at offset 0
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 512
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 3072/3072 bytes at offset 1024
+3 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)
@@ -52,4 +67,19 @@ 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)
+
+== rewriting unaligned zeroes ==
+wrote 4096/4096 bytes at offset 0
+4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 512/512 bytes at offset 512
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+== verifying patterns (3) ==
+read 512/512 bytes at offset 0
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 512
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 3072/3072 bytes at offset 1024
+3 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
*** done
--
2.1.0
- [Qemu-devel] [PULL 27/38] block/parallels: improve image writing performance further, (continued)
- [Qemu-devel] [PULL 27/38] block/parallels: improve image writing performance further, Stefan Hajnoczi, 2015/05/22
- [Qemu-devel] [PULL 29/38] configure: factor out supported flag check, Stefan Hajnoczi, 2015/05/22
- [Qemu-devel] [PULL 25/38] block/parallels: add prealloc-mode and prealloc-size open paramemets, Stefan Hajnoczi, 2015/05/22
- [Qemu-devel] [PULL 30/38] configure: silence glib unknown attribute __alloc_size__, Stefan Hajnoczi, 2015/05/22
- [Qemu-devel] [PULL 31/38] configure: Add workaround for ccache and clang, Stefan Hajnoczi, 2015/05/22
- [Qemu-devel] [PULL 33/38] block: minimal bounce buffer alignment, Stefan Hajnoczi, 2015/05/22
- [Qemu-devel] [PULL 34/38] block: align bounce buffers to page, Stefan Hajnoczi, 2015/05/22
- [Qemu-devel] [PULL 35/38] Revert "block: Fix unaligned zero write", Stefan Hajnoczi, 2015/05/22
- [Qemu-devel] [PULL 32/38] block: return EPERM on writes or discards to read-only devices, Stefan Hajnoczi, 2015/05/22
- [Qemu-devel] [PULL 38/38] block: get_block_status: use "else" when testing the opposite condition, Stefan Hajnoczi, 2015/05/22
- [Qemu-devel] [PULL 37/38] qemu-iotests: Test unaligned sub-block zero write,
Stefan Hajnoczi <=
- [Qemu-devel] [PULL 36/38] block: Fix NULL deference for unaligned write if qiov is NULL, Stefan Hajnoczi, 2015/05/22
- Re: [Qemu-devel] [PULL 00/38] Block patches, Peter Maydell, 2015/05/22