[PATCH BUGFIX/IMPROVEMENT 2/2] block, bfq: limit sectors served with interactive weight raising

2018-01-13 Thread Paolo Valente
To maximise responsiveness, BFQ raises the weight, and performs device idling, for bfq_queues associated with processes deemed as interactive. In particular, weight raising has a maximum duration, equal to the time needed to start a large application. If a weight-raised process goes on doing I/O

[PATCH BUGFIX/IMPROVEMENT 2/2] block, bfq: limit sectors served with interactive weight raising

2018-01-13 Thread Paolo Valente
To maximise responsiveness, BFQ raises the weight, and performs device idling, for bfq_queues associated with processes deemed as interactive. In particular, weight raising has a maximum duration, equal to the time needed to start a large application. If a weight-raised process goes on doing I/O