On Tue, Mar 22, 2022 at 04:06:39PM +0800, Xie Yongji wrote: > When userspace closes the socket before sending a disconnect > request, the following I/O requests will be blocked in > wait_for_reconnect() until dead timeout. This will cause the > following disconnect request also hung on blk_mq_quiesce_queue(). > That means we have no way to disconnect a nbd device if there > are some I/O requests waiting for reconnecting until dead timeout. > It's not expected. So let's wake up the thread waiting for > reconnecting directly when a disconnect request is sent. > > Reported-by: Xu Jianhai <zero.xu@xxxxxxxxxxxxx> > Signed-off-by: Xie Yongji <xieyongji@xxxxxxxxxxxxx> Reviewed-by: Josef Bacik <josef@xxxxxxxxxxxxxx> Thanks, Josef
