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dirty-bitmap: add locked state

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Add special state, when qmp operations on the bitmap are disabled.
It is needed during bitmap migration. "Frozen" state is not
appropriate here, because it looks like bitmap is unchanged.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 20180207155837.92351-5-vsementsov@virtuozzo.com
Signed-off-by: John Snow <jsnow@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2018-03-13 15:34:00 -04:00 • committed by John Snow
parent 044ee8e143
commit 4f43e9535b
4 changed files with 42 additions and 1 deletions
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5
qapi/block-core.json
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@ -426,10 +426,13 @@
# @active: The bitmap is actively monitoring for new writes, and can be cleared,
# deleted, or used for backup operations.
#
# @locked: The bitmap is currently in-use by some operation and can not be
# cleared, deleted, or used for backup operations. (Since 2.12)
#
# Since: 2.4
##
{ 'enum': 'DirtyBitmapStatus',
'data': ['active', 'disabled', 'frozen'] }
'data': ['active', 'disabled', 'frozen', 'locked'] }
##
# @BlockDirtyInfo: