On Sun, 2017-08-27 at 00:33 +0800, Ming Lei wrote: > This function is introduced for dequeuing request > from sw queue so that we can dispatch it in > scheduler's way. > > More importantly, some SCSI devices may set > q->queue_depth, which is a per-request_queue limit, > and applied on pending I/O from all hctxs. This > function is introduced for avoiding to dequeue too > many requests from sw queue when ->dispatch isn't > flushed completely. Reviewed-by: Bart Van Assche <bart.vanassche@xxxxxxx>
