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dirty-bitmap: fix double lock on bitmap enabling
Bitmap lock/unlock were added to bdrv_enable_dirty_bitmap in 8b1402c, but some places were not updated correspondingly, which leads to trying to take this lock twice, which is dead-lock. Fix this. Actually, iotest 199 (about dirty bitmap postcopy migration) is broken now, and this fixes it. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-id: 20180625165745.25259-3-vsementsov@virtuozzo.com Signed-off-by: John Snow <jsnow@redhat.com>
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