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block: maintain persistent disabled bitmaps

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To maintain load/store disabled bitmap there is new approach:

 - deprecate @autoload flag of block-dirty-bitmap-add, make it ignored
 - store enabled bitmaps as "auto" to qcow2
 - store disabled bitmaps without "auto" flag to qcow2
 - on qcow2 open load "auto" bitmaps as enabled and others
   as disabled (except in_use bitmaps)

Also, adjust iotests 165 and 176 appropriately.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-id: 20180202160752.143796-1-vsementsov@virtuozzo.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2018-02-02 19:07:52 +03:00 • committed by Max Reitz
parent 74f1eabf9c
commit 3e99da5e76
10 changed files with 23 additions and 39 deletions
Download patch file Download diff file Expand all files Collapse all files

2
tests/qemu-iotests/165
View file

@ -64,7 +64,7 @@ class TestPersistentDirtyBitmap(iotests.QMPTestCase):
def qmpAddBitmap(self):
self.vm.qmp('block-dirty-bitmap-add', node='drive0',
name='bitmap0', persistent=True, autoload=True)
name='bitmap0', persistent=True)
def test_persistent(self):
self.vm = self.mkVm()

2
tests/qemu-iotests/176
View file

@ -95,7 +95,7 @@ case $reason in
"file": { "driver": "file", "filename": "$TEST_IMG" } } }
{ "execute": "block-dirty-bitmap-add",
"arguments": { "node": "drive0", "name": "bitmap0",
"persistent": true, "autoload": true } }
"persistent": true } }
{ "execute": "quit" }
EOF
;;