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qemu-iotests: Try setting cache mode for children

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This is a basic test for specifying cache modes for child nodes on the
command line. It doesn't take much time and works without O_DIRECT
support.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Kevin Wolf 2015-05-08 18:03:15 +02:00
parent c5e8bfb7cd
commit 768ee459f5
2 changed files with 69 additions and 1 deletions
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10
tests/qemu-iotests/051
View File

@ -61,7 +61,7 @@ function do_run_qemu()
function run_qemu()
{
do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu
do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_generated_node_ids
}
size=128M
@ -190,6 +190,14 @@ run_qemu -drive driver=null-co,cache=writethrough
run_qemu -drive driver=null-co,cache=unsafe
run_qemu -drive driver=null-co,cache=invalid_value
# Can't test direct=on here because O_DIRECT might not be supported on this FS
# Test 142 checks the direct=on cases
for cache in writeback writethrough unsafe invalid_value; do
echo -e "info block\ninfo block file\ninfo block backing\ninfo block backing-file" | \
run_qemu -drive file="$TEST_IMG",cache=$cache,backing.file.filename="$TEST_IMG.base",backing.cache.no-flush=on,backing.cache.writeback=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file -nodefaults
done
echo
echo === Specifying the protocol layer ===
echo

60
tests/qemu-iotests/051.out
View File

@ -238,6 +238,66 @@ QEMU X.Y.Z monitor - type 'help' for more information
Testing: -drive driver=null-co,cache=invalid_value
QEMU_PROG: -drive driver=null-co,cache=invalid_value: invalid cache option
Testing: -drive file=TEST_DIR/t.qcow2,cache=writeback,backing.file.filename=TEST_DIR/t.qcow2.base,backing.cache.no-flush=on,backing.cache.writeback=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file -nodefaults
QEMU X.Y.Z monitor - type 'help' for more information
(qemu) iininfinfoinfo info binfo blinfo bloinfo blocinfo block
ide0-hd0 (NODE_NAME): TEST_DIR/t.qcow2 (qcow2)
Cache mode: writeback
Backing file: TEST_DIR/t.qcow2.base (chain depth: 1)
(qemu) iininfinfoinfo info binfo blinfo bloinfo blocinfo blockinfo block info block finfo block fiinfo block filinfo block file
file: TEST_DIR/t.qcow2 (file)
Cache mode: writeback
(qemu) iininfinfoinfo info binfo blinfo bloinfo blocinfo blockinfo block info block binfo block bainfo block bacinfo block backinfo block backiinfo block backininfo block backing
backing: TEST_DIR/t.qcow2.base (qcow2, read-only)
Cache mode: writeback, ignore flushes
(qemu) iininfinfoinfo info binfo blinfo bloinfo blocinfo blockinfo block info block binfo block bainfo block bacinfo block backinfo block backiinfo block backininfo block backinginfo block backing-info block backing-finfo block backing-fiinfo block backing-filinfo block backing-file
backing-file: TEST_DIR/t.qcow2.base (file, read-only)
Cache mode: writeback, ignore flushes
(qemu) qququiquit
Testing: -drive file=TEST_DIR/t.qcow2,cache=writethrough,backing.file.filename=TEST_DIR/t.qcow2.base,backing.cache.no-flush=on,backing.cache.writeback=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file -nodefaults
QEMU X.Y.Z monitor - type 'help' for more information
(qemu) iininfinfoinfo info binfo blinfo bloinfo blocinfo block
ide0-hd0 (NODE_NAME): TEST_DIR/t.qcow2 (qcow2)
Cache mode: writethrough
Backing file: TEST_DIR/t.qcow2.base (chain depth: 1)
(qemu) iininfinfoinfo info binfo blinfo bloinfo blocinfo blockinfo block info block finfo block fiinfo block filinfo block file
file: TEST_DIR/t.qcow2 (file)
Cache mode: writeback
(qemu) iininfinfoinfo info binfo blinfo bloinfo blocinfo blockinfo block info block binfo block bainfo block bacinfo block backinfo block backiinfo block backininfo block backing
backing: TEST_DIR/t.qcow2.base (qcow2, read-only)
Cache mode: writeback, ignore flushes
(qemu) iininfinfoinfo info binfo blinfo bloinfo blocinfo blockinfo block info block binfo block bainfo block bacinfo block backinfo block backiinfo block backininfo block backinginfo block backing-info block backing-finfo block backing-fiinfo block backing-filinfo block backing-file
backing-file: TEST_DIR/t.qcow2.base (file, read-only)
Cache mode: writeback, ignore flushes
(qemu) qququiquit
Testing: -drive file=TEST_DIR/t.qcow2,cache=unsafe,backing.file.filename=TEST_DIR/t.qcow2.base,backing.cache.no-flush=on,backing.cache.writeback=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file -nodefaults
QEMU X.Y.Z monitor - type 'help' for more information
(qemu) iininfinfoinfo info binfo blinfo bloinfo blocinfo block
ide0-hd0 (NODE_NAME): TEST_DIR/t.qcow2 (qcow2)
Cache mode: writeback, ignore flushes
Backing file: TEST_DIR/t.qcow2.base (chain depth: 1)
(qemu) iininfinfoinfo info binfo blinfo bloinfo blocinfo blockinfo block info block finfo block fiinfo block filinfo block file
file: TEST_DIR/t.qcow2 (file)
Cache mode: writeback, ignore flushes
(qemu) iininfinfoinfo info binfo blinfo bloinfo blocinfo blockinfo block info block binfo block bainfo block bacinfo block backinfo block backiinfo block backininfo block backing
backing: TEST_DIR/t.qcow2.base (qcow2, read-only)
Cache mode: writeback, ignore flushes
(qemu) iininfinfoinfo info binfo blinfo bloinfo blocinfo blockinfo block info block binfo block bainfo block bacinfo block backinfo block backiinfo block backininfo block backinginfo block backing-info block backing-finfo block backing-fiinfo block backing-filinfo block backing-file
backing-file: TEST_DIR/t.qcow2.base (file, read-only)
Cache mode: writeback, ignore flushes
(qemu) qququiquit
Testing: -drive file=TEST_DIR/t.qcow2,cache=invalid_value,backing.file.filename=TEST_DIR/t.qcow2.base,backing.cache.no-flush=on,backing.cache.writeback=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file -nodefaults
QEMU_PROG: -drive file=TEST_DIR/t.qcow2,cache=invalid_value,backing.file.filename=TEST_DIR/t.qcow2.base,backing.cache.no-flush=on,backing.cache.writeback=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file: invalid cache option
=== Specifying the protocol layer ===