On Fri, 09/07 18:15, Kevin Wolf wrote: > In the context of draining a BDS, the .drained_poll callback of block > jobs is called. If this returns true (i.e. there is still some activity > pending), the drain operation may call aio_poll() with blocking=true to > wait for completion. > > As soon as the pending activity is completed and the job finally arrives > in a quiescent state (i.e. its coroutine either yields with busy=false > or terminates), the block job must notify the aio_poll() loop to wake > up, otherwise we get a deadlock if both are running in different > threads. > > Signed-off-by: Kevin Wolf <kw...@redhat.com>
Reviewed-by: Fam Zheng <f...@redhat.com>