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[Qemu-block] [PATCH v3 19/21] qemu-iotests: Try setting cache mode for c


From: Kevin Wolf
Subject: [Qemu-block] [PATCH v3 19/21] qemu-iotests: Try setting cache mode for children
Date: Fri, 4 Dec 2015 14:35:22 +0100

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 <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
---
 tests/qemu-iotests/051     | 10 +++++++-
 tests/qemu-iotests/051.out | 60 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 69 insertions(+), 1 deletion(-)

diff --git a/tests/qemu-iotests/051 b/tests/qemu-iotests/051
index f6f0f4d..da90f59 100755
--- a/tests/qemu-iotests/051
+++ b/tests/qemu-iotests/051
@@ -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
diff --git a/tests/qemu-iotests/051.out b/tests/qemu-iotests/051.out
index 7a459a3..070d318 100644
--- a/tests/qemu-iotests/051.out
+++ b/tests/qemu-iotests/051.out
@@ -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-fi!
 info 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-fi!
 info 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-fi!
 info 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 ===
 
-- 
1.8.3.1




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