Re: [PATCH v2 4/7] block: Improve default elevator selection

2019-09-04 Thread Damien Le Moal
On Tue, 2019-09-03 at 01:57 -0700, Christoph Hellwig wrote: > On Wed, Aug 28, 2019 at 11:29:44AM +0900, Damien Le Moal wrote: > > For block devices that do not specify required features, preserve the > > current default elevator selection (mq-deadline for single queue > > devices, none for multi-qu

Re: [PATCH v2 4/7] block: Improve default elevator selection

2019-09-03 Thread Christoph Hellwig
On Wed, Aug 28, 2019 at 11:29:44AM +0900, Damien Le Moal wrote: > For block devices that do not specify required features, preserve the > current default elevator selection (mq-deadline for single queue > devices, none for multi-queue devices). However, for devices specifying > required features (e

[PATCH v2 4/7] block: Improve default elevator selection

2019-08-27 Thread Damien Le Moal
For block devices that do not specify required features, preserve the current default elevator selection (mq-deadline for single queue devices, none for multi-queue devices). However, for devices specifying required features (e.g. zoned block devices ELEVATOR_F_ZBD_SEQ_WRITE feature), select the fi