[PATCH IMPROVEMENT/BUGFIX 2/4] block, bfq: check low_latency flag in bfq_bfqq_save_state()

From: Angelo Ruocco A just-created bfq_queue will certainly be deemed as interactive on the arrival of its first I/O request, if the low_latency flag is set. Yet, if the queue is merged with another queue on the arrival of its first I/O request, it will not have the

[PATCH IMPROVEMENT/BUGFIX 2/4] block, bfq: check low_latency flag in bfq_bfqq_save_state()

From: Angelo Ruocco A just-created bfq_queue will certainly be deemed as interactive on the arrival of its first I/O request, if the low_latency flag is set. Yet, if the queue is merged with another queue on the arrival of its first I/O request, it will not have the chance to be flagged as