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由 Jan Kiszka 提交于
This switches the dirty bitmap to a true bitmap, reducing its footprint (specifically in caches). It moreover fixes off-by-one bugs in set_dirty_bitmap (nb_sectors+1 were marked) and bdrv_get_dirty (limit check allowed one sector behind end of drive). And is drops redundant dirty_tracking field from BlockDriverState. Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
c6d22830