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authorJohn Snow <jsnow@redhat.com>2019-07-29 16:35:53 -0400
committerJohn Snow <jsnow@redhat.com>2019-08-16 16:28:02 -0400
commitb7661ca5d84a7d330acc3c3f471e757e55261f84 (patch)
treed64e23f1a15c05c2c3a68271167ac50b4f4dd9ab /hw/misc
parentc5b40c1f9cd310b44b571a75ee42de22539996cd (diff)
block/dirty-bitmap: add bdrv_dirty_bitmap_merge_internal
I'm surprised it didn't come up sooner, but sometimes we have a +busy bitmap as a source. This is dangerous from the QMP API, but if we are the owner that marked the bitmap busy, it's safe to merge it using it as a read only source. It is not safe in the general case to allow users to read from in-use bitmaps, so create an internal variant that foregoes the safety checking. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-id: 20190709232550.10724-10-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
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