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[Qemu-devel] [PATCH v2 1/2] qemu-iotests: Add "-c <cache-mode>" option
From: |
Fam Zheng |
Subject: |
[Qemu-devel] [PATCH v2 1/2] qemu-iotests: Add "-c <cache-mode>" option |
Date: |
Tue, 19 Nov 2013 14:45:36 +0800 |
The option sets cache mode used in the tests. "-nocache" is changed to
an alias to "-c none", and internally passes "-t none" to qemu-io.
Python scripts will make use of option this in the next commit.
Signed-off-by: Fam Zheng <address@hidden>
---
tests/qemu-iotests/common | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/tests/qemu-iotests/common b/tests/qemu-iotests/common
index 8cde7f1..5314314 100644
--- a/tests/qemu-iotests/common
+++ b/tests/qemu-iotests/common
@@ -42,12 +42,14 @@ expunge=true
have_test_arg=false
randomize=false
valgrind=false
+cachemode=false
rm -f $tmp.list $tmp.tmp $tmp.sed
export IMGFMT=raw
export IMGFMT_GENERIC=true
export IMGPROTO=file
export IMGOPTS=""
+export CACHEMODE="writethrough"
export QEMU_IO_OPTIONS=""
for r
@@ -113,7 +115,11 @@ s/ .*//p
IMGOPTS="$r"
imgopts=false
continue
-
+ elif $cachemode
+ then
+ CACHEMODE="$r"
+ cachemode=false
+ continue
fi
xpand=true
@@ -147,6 +153,7 @@ check options
-o options -o options to pass to qemu-img create/convert
-T output timestamps
-r randomize test order
+ -c cache mode
testlist options
-g group[,group...] include tests from these groups
@@ -219,7 +226,7 @@ testlist options
xpand=false
;;
-nocache)
- QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS --nocache"
+ CACHEMODE="none"
xpand=false
;;
@@ -258,6 +265,10 @@ testlist options
imgopts=true
xpand=false
;;
+ -c)
+ cachemode=true
+ xpand=false
+ ;;
-r) # randomize test order
randomize=true
xpand=false
@@ -334,6 +345,9 @@ BEGIN { for (t='$start'; t<='$end'; t++) printf
"%03d\n",t }' \
done
+# Set qemu-io cache mode with $CACHEMODE we have
+QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS -t $CACHEMODE"
+
# Set default options for qemu-img create -o if they were not specified
_set_default_imgopts
--
1.8.4.2