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iotests: Test valid values of l2-cache-entry-size

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The l2-cache-entry-size setting can only contain values that are
powers of two between 512 and the cluster size.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: bd3547b670b8d0af11480c760991a22bcae5b48c.1517840877.git.berto@igalia.com
[mreitz: Changed non-power-of-two test value from 300 to 4242]
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Alberto Garcia 2018-02-05 16:33:37 +02:00 • committed by Max Reitz
parent 1221fe6f63
commit 4450c39625
2 changed files with 20 additions and 0 deletions
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17
tests/qemu-iotests/103
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@ -66,6 +66,14 @@ $QEMU_IO -c "open -o cache-size=1M,refcount-cache-size=2M $TEST_IMG" 2>&1 \
$QEMU_IO -c "open -o cache-size=0,l2-cache-size=0,refcount-cache-size=0 $TEST_IMG" \
2>&1 | _filter_testdir | _filter_imgfmt
# Invalid cache entry sizes
$QEMU_IO -c "open -o l2-cache-entry-size=256 $TEST_IMG" \
2>&1 | _filter_testdir | _filter_imgfmt
$QEMU_IO -c "open -o l2-cache-entry-size=4242 $TEST_IMG" \
2>&1 | _filter_testdir | _filter_imgfmt
$QEMU_IO -c "open -o l2-cache-entry-size=128k $TEST_IMG" \
2>&1 | _filter_testdir | _filter_imgfmt
echo
echo '=== Testing valid option combinations ==='
echo
@ -94,6 +102,15 @@ $QEMU_IO -c "open -o l2-cache-size=1M,refcount-cache-size=0.25M $TEST_IMG" \
-c 'read -P 42 0 64k' \
| _filter_qemu_io
# Valid cache entry sizes
$QEMU_IO -c "open -o l2-cache-entry-size=512 $TEST_IMG" \
2>&1 | _filter_testdir | _filter_imgfmt
$QEMU_IO -c "open -o l2-cache-entry-size=16k $TEST_IMG" \
2>&1 | _filter_testdir | _filter_imgfmt
$QEMU_IO -c "open -o l2-cache-entry-size=64k $TEST_IMG" \
2>&1 | _filter_testdir | _filter_imgfmt
echo
echo '=== Testing minimal L2 cache and COW ==='
echo