[PATCH v6] NVMe: conversion to blk-mq

[Ming Lei]

On Mon, Jun 9, 2014 at 2:00 PM, Matias Bjørling <m at bjorling.me> wrote:
> On Mon, Jun 9, 2014 at 6:35 AM, Ming Lei <tom.leiming at gmail.com> wrote:
>> On Fri, Jun 6, 2014 at 8:20 PM, Matias Bjørling <m at bjorling.me> wrote:
>>> This converts the current NVMe driver to utilize the blk-mq layer.
>>
>> Looks it can't be applied cleanly against 3.15-rc8 + Jens's for-linux
>> branch, when I fix the conflict manually, below failure is triggered:
>>
>> [  487.696057] nvme 0000:00:07.0: Cancelling I/O 202 QID 1
>> [  487.699005] nvme 0000:00:07.0: Aborting I/O 202 QID 1
>> [  487.704074] nvme 0000:00:07.0: Cancelling I/O 202 QID 1
>> [  487.717881] nvme 0000:00:07.0: Aborting I/O 202 QID 1
>> [  487.736093] end_request: I/O error, dev nvme0n1, sector 91532352
>> [  487.747378] nvme 0000:00:07.0: completed id 0 twice on queue 0
>>
>>
>> when running fio randread(libaio, iodepth:64) with more than 3 jobs.
>>
>> And looks no such failure when jobs is 1 or 2.
>
> Can you try with the nvmemq_review branch at
>
> https://github.com/MatiasBjorling/linux-collab.git

Looks git-pull from the branch does work, so you
might have out-of-tree patches.


Thanks,
-- 
Ming Lei