On 12/02/2016 12:38 AM, Paolo Valente wrote: > >> Il giorno 02 dic 2016, alle ore 01:27, Jens Axboe <axboe@xxxxxxxxx> ha scritto: >> >> On 12/01/2016 02:03 PM, Jens Axboe wrote: >>> On 11/14/2016 03:42 PM, Jens Axboe wrote: >>>> On 11/14/2016 03:13 PM, Paolo Valente wrote: >>>>> Hi Jens, >>>>> have you had time to look into the first extensions/changes required? >>>>> Any time plan? >>>> >>>> I was busy last week on the writeback and on the polling. I should have >>>> something end this week. >>> >>> It's coming together, running some testing and fixing some issues. But I >>> now have unmodified legacy IO schedulers running under blk-mq, for >>> single queue devices. Scheduler queue depth is independent of the device >>> queue depth. >> >> Here is the branch, btw: >> >> http://git.kernel.dk/cgit/linux-block/log/?h=for-4.11/blk-mq-legacy-sched >> >> if you want to look at it or test it. It's not in a clean state, I >> wanted to get this reasonably working before cleaning it up. Should be >> ready for testing, I've successfully run various IO tests on deadline >> and CFQ with null_blk loaded with queue_mode=2 submit_queues=1 >> use_sched=1. >> > > Good news! > > I'm familiarizing with your patch. To avoid useless, too-early report, > tell me if/when I can start doing some test too. Hopefully after today, trying to shake out a bug related to non file system requests that's making SCSI probing broken. Once that's fixed up, stability should be fine for testing. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html