Am 30.07.2013 09:52, schrieb Fam Zheng: > Introduce bdrv_ref/bdrv_unref to manage the lifecycle of > BlockDriverState. They are unused for now but will used to replace > bdrv_delete() later. > > Signed-off-by: Fam Zheng <f...@redhat.com> > --- > block.c | 22 ++++++++++++++++++++++ > include/block/block.h | 2 ++ > include/block/block_int.h | 1 + > 3 files changed, 25 insertions(+)
Didn't Kevin and Markus look into turning BlockDriverState into QOM objects a while back? That would give you reference counting for free, even atomic unlike this patch. MemoryRegion resorted to reference counting on the owner object that was added for the purpose. Regards, Andreas -- SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
