Re: [PATCH for-4.13] block: disable runtime-pm for blk-mq

2017-07-24 Thread Jens Axboe
On 07/21/2017 05:46 AM, Christoph Hellwig wrote: > The blk-mq code lacks support for looking at the rpm_status field, tracking > active requests and the RQF_PM flag. > > Due to the default switch to blk-mq for scsi people start to run into > suspend / resume issue due to this fact, so make sure

Re: [PATCH for-4.13] block: disable runtime-pm for blk-mq

2017-07-24 Thread Ming Lei
On Fri, Jul 21, 2017 at 01:46:10PM +0200, Christoph Hellwig wrote: > The blk-mq code lacks support for looking at the rpm_status field, tracking > active requests and the RQF_PM flag. > > Due to the default switch to blk-mq for scsi people start to run into > suspend / resume issue due to this

[PATCH for-4.13] block: disable runtime-pm for blk-mq

2017-07-21 Thread Christoph Hellwig
The blk-mq code lacks support for looking at the rpm_status field, tracking active requests and the RQF_PM flag. Due to the default switch to blk-mq for scsi people start to run into suspend / resume issue due to this fact, so make sure we disable the runtime PM functionality until it is properly