Hi, The 1st patch always applies io scheduler path if 'none' isn't used, so that sequential IO performance can be improved on slow MQ device. Also write order for zone device can be maintained becasue zone device requires mq-dealine to do that. The 2nd patch applies normal plugging for MQ HDD. Ming Lei (2): blk-mq: respect io scheduler blk-mq: apply normal plugging for HDD block/blk-mq.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) Cc: Bart Van Assche <bvanassche@xxxxxxx> Cc: Hannes Reinecke <hare@xxxxxxxx> Cc: Damien Le Moal <damien.lemoal@xxxxxxx> Cc: Dave Chinner <dchinner@xxxxxxxxxx> -- 2.20.1
