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authorKevin Wolf <kwolf@redhat.com>2016-03-03 11:37:48 +0100
committerKevin Wolf <kwolf@redhat.com>2016-03-30 12:16:02 +0200
commitc83f9fba2a4ae3f07a7ac8ff8c021f539a08b6ce (patch)
tree3415e706dcd6ccca77ac108551e139c7c95e067d /tests/qemu-iotests/142.out
parentbfd18d1e0b06608226fcef1982c3a439c49c3366 (diff)
block/qapi: Use blk_enable_write_cache()
Now that WCE is handled on the BlockBackend level, the flag is meaningless for BDSes. As the schema requires us to fill the field, we return an enabled write cache for them. Note that this means that querying the BlockBackend name may return writethrough as the cache information, whereas querying the node-name of the root of that same BlockBackend will return writeback. This may appear odd at first, but it actually makes sense because it correctly repesents the layer that implements the WCE handling. This becomes more apparent when you consider nodes that are the root node of multiple BlockBackends, where each BB can have its own WCE setting. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'tests/qemu-iotests/142.out')
-rw-r--r--tests/qemu-iotests/142.out57
1 files changed, 47 insertions, 10 deletions
diff --git a/tests/qemu-iotests/142.out b/tests/qemu-iotests/142.out
index 32dc802a18..c9224909b5 100644
--- a/tests/qemu-iotests/142.out
+++ b/tests/qemu-iotests/142.out
@@ -39,9 +39,11 @@ cache.direct=on on none0
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
+ Cache mode: writeback, direct
cache.direct=on on file
Cache mode: writeback
+ Cache mode: writeback
Cache mode: writeback, direct
Cache mode: writeback
Cache mode: writeback
@@ -49,6 +51,7 @@ cache.direct=on on file
cache.direct=on on backing
Cache mode: writeback
Cache mode: writeback
+ Cache mode: writeback
Cache mode: writeback, direct
Cache mode: writeback, direct
@@ -56,6 +59,7 @@ cache.direct=on on backing-file
Cache mode: writeback
Cache mode: writeback
Cache mode: writeback
+ Cache mode: writeback
Cache mode: writeback, direct
@@ -64,6 +68,7 @@ cache.writeback=off on none0
Cache mode: writeback
Cache mode: writeback
Cache mode: writeback
+ Cache mode: writeback
cache.writeback=off on file
QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,file.cache.writeback=off: Can't set writethrough mode except for the root
@@ -80,9 +85,11 @@ cache.no-flush=on on none0
Cache mode: writeback, ignore flushes
Cache mode: writeback, ignore flushes
Cache mode: writeback, ignore flushes
+ Cache mode: writeback, ignore flushes
cache.no-flush=on on file
Cache mode: writeback
+ Cache mode: writeback
Cache mode: writeback, ignore flushes
Cache mode: writeback
Cache mode: writeback
@@ -90,6 +97,7 @@ cache.no-flush=on on file
cache.no-flush=on on backing
Cache mode: writeback
Cache mode: writeback
+ Cache mode: writeback
Cache mode: writeback, ignore flushes
Cache mode: writeback, ignore flushes
@@ -97,6 +105,7 @@ cache.no-flush=on on backing-file
Cache mode: writeback
Cache mode: writeback
Cache mode: writeback
+ Cache mode: writeback
Cache mode: writeback, ignore flushes
--- Cache modes after reopen (live snapshot) ---
@@ -182,24 +191,28 @@ cache.direct=on on none0
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
+ Cache mode: writeback, direct
cache.direct=on on file
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
+ Cache mode: writeback, direct
cache.direct=on on backing
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
+ Cache mode: writeback, direct
cache.direct=on on backing-file
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
+ Cache mode: writeback, direct
cache.writeback=off on none0
@@ -207,6 +220,7 @@ cache.writeback=off on none0
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
+ Cache mode: writeback, direct
cache.writeback=off on file
QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,file.cache.writeback=off: Can't set writethrough mode except for the root
@@ -223,9 +237,11 @@ cache.no-flush=on on none0
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
+ Cache mode: writeback, direct
cache.no-flush=on on file
Cache mode: writeback, direct
+ Cache mode: writeback, direct
Cache mode: writeback, direct, ignore flushes
Cache mode: writeback, direct
Cache mode: writeback, direct
@@ -233,6 +249,7 @@ cache.no-flush=on on file
cache.no-flush=on on backing
Cache mode: writeback, direct
Cache mode: writeback, direct
+ Cache mode: writeback, direct
Cache mode: writeback, direct, ignore flushes
Cache mode: writeback, direct, ignore flushes
@@ -240,6 +257,7 @@ cache.no-flush=on on backing-file
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
+ Cache mode: writeback, direct
Cache mode: writeback, direct, ignore flushes
--- Change cache modes with reopen (qemu-io command, options) ---
@@ -249,24 +267,28 @@ cache.direct=on on none0
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
+ Cache mode: writeback, direct
cache.direct=on on file
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
+ Cache mode: writeback, direct
cache.direct=on on backing
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
+ Cache mode: writeback, direct
cache.direct=on on backing-file
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
+ Cache mode: writeback, direct
cache.writeback=off on none0
@@ -274,6 +296,7 @@ cache.writeback=off on none0
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
+ Cache mode: writeback, direct
cache.writeback=off on file
QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,file.cache.writeback=off: Can't set writethrough mode except for the root
@@ -290,9 +313,11 @@ cache.no-flush=on on none0
Cache mode: writeback, direct, ignore flushes
Cache mode: writeback, direct, ignore flushes
Cache mode: writeback, direct, ignore flushes
+ Cache mode: writeback, direct, ignore flushes
cache.no-flush=on on file
Cache mode: writeback, direct
+ Cache mode: writeback, direct
Cache mode: writeback, direct, ignore flushes
Cache mode: writeback, direct
Cache mode: writeback, direct
@@ -300,6 +325,7 @@ cache.no-flush=on on file
cache.no-flush=on on backing
Cache mode: writeback, direct
Cache mode: writeback, direct
+ Cache mode: writeback, direct
Cache mode: writeback, direct, ignore flushes
Cache mode: writeback, direct, ignore flushes
@@ -307,6 +333,7 @@ cache.no-flush=on on backing-file
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
+ Cache mode: writeback, direct
Cache mode: writeback, direct, ignore flushes
--- Change cache modes after snapshot ---
@@ -389,6 +416,7 @@ cache.no-flush=on on backing-file
Cache mode: writethrough, direct, ignore flushes
Cache mode: writeback, direct, ignore flushes
+ Cache mode: writeback, direct, ignore flushes
Cache mode: writeback, ignore flushes
=== Check that referenced BDSes don't inherit ===
@@ -422,28 +450,28 @@ cache.direct=on on backing-file
cache.writeback=off on blk
- Cache mode: writethrough
+ Cache mode: writeback
Cache mode: writeback
Cache mode: writeback
Cache mode: writeback
cache.writeback=off on file
Cache mode: writeback
- Cache mode: writethrough
+ Cache mode: writeback
Cache mode: writeback
Cache mode: writeback
cache.writeback=off on backing
Cache mode: writeback
Cache mode: writeback
- Cache mode: writethrough
+ Cache mode: writeback
Cache mode: writeback
cache.writeback=off on backing-file
Cache mode: writeback
Cache mode: writeback
Cache mode: writeback
- Cache mode: writethrough
+ Cache mode: writeback
cache.no-flush=on on blk
@@ -511,7 +539,7 @@ cache.writeback=off on blk
cache.writeback=off on file
Cache mode: writeback
Cache mode: writeback
- Cache mode: writethrough
+ Cache mode: writeback
Cache mode: writeback
Cache mode: writeback
@@ -519,7 +547,7 @@ cache.writeback=off on backing
Cache mode: writeback
Cache mode: writeback
Cache mode: writeback
- Cache mode: writethrough
+ Cache mode: writeback
Cache mode: writeback
cache.writeback=off on backing-file
@@ -527,7 +555,7 @@ cache.writeback=off on backing-file
Cache mode: writeback
Cache mode: writeback
Cache mode: writeback
- Cache mode: writethrough
+ Cache mode: writeback
cache.no-flush=on on blk
@@ -593,21 +621,21 @@ cache.writeback=off on blk
cache.writeback=off on file
Cache mode: writeback, direct
- Cache mode: writethrough
+ Cache mode: writeback
Cache mode: writeback
Cache mode: writeback
cache.writeback=off on backing
Cache mode: writeback, direct
Cache mode: writeback
- Cache mode: writethrough
+ Cache mode: writeback
Cache mode: writeback
cache.writeback=off on backing-file
Cache mode: writeback, direct
Cache mode: writeback
Cache mode: writeback
- Cache mode: writethrough
+ Cache mode: writeback
cache.no-flush=on on blk
@@ -644,9 +672,11 @@ cache.direct=on on none0
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
+ Cache mode: writeback, direct
cache.direct=on on file
Cache mode: writeback
+ Cache mode: writeback
Cache mode: writeback, direct
Cache mode: writeback, direct
Cache mode: writeback, direct
@@ -654,12 +684,14 @@ cache.direct=on on file
cache.direct=on on backing
Cache mode: writeback
Cache mode: writeback
+ Cache mode: writeback
Cache mode: writeback, direct
Cache mode: writeback, direct
cache.direct=on on backing-file
Cache mode: writeback
Cache mode: writeback
+ Cache mode: writeback
Cache mode: writeback, direct
Cache mode: writeback, direct
@@ -667,6 +699,7 @@ cache.direct=on on backing-file
cache.writeback=off on none0
Cache mode: writethrough
Cache mode: writeback
+ Cache mode: writeback
Cache mode: writeback, direct
Cache mode: writeback, direct
@@ -683,11 +716,13 @@ QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t
cache.no-flush=on on none0
Cache mode: writeback, ignore flushes
Cache mode: writeback, ignore flushes
+ Cache mode: writeback, ignore flushes
Cache mode: writeback, direct, ignore flushes
Cache mode: writeback, direct, ignore flushes
cache.no-flush=on on file
Cache mode: writeback
+ Cache mode: writeback
Cache mode: writeback, ignore flushes
Cache mode: writeback, direct
Cache mode: writeback, direct
@@ -695,12 +730,14 @@ cache.no-flush=on on file
cache.no-flush=on on backing
Cache mode: writeback
Cache mode: writeback
+ Cache mode: writeback
Cache mode: writeback, direct, ignore flushes
Cache mode: writeback, direct, ignore flushes
cache.no-flush=on on backing-file
Cache mode: writeback
Cache mode: writeback
+ Cache mode: writeback
Cache mode: writeback, direct
Cache mode: writeback, direct, ignore flushes