[dm-devel] dm mpath: remove unusable kmultipathd work queue

[tang.junhui at zte.com.cn]

Hello Mike,

I used the master branch, the code seems a little older,
It's true that the newer branches such as dm-4.10 have reused 
kmultipathd.

Thanks,
Tang



发件人:         Mike Snitzer <snitzer at redhat.com>
收件人:         tang.junhui at zte.com.cn, 
抄送:   zhang.kai16 at zte.com.cn, dm-devel at redhat.com, agk at redhat.com
日期:   2016/11/03 22:57
主题:   Re: [dm-devel] dm mpath: remove unusable kmultipathd work queue
发件人: dm-devel-bounces at redhat.com



On Thu, Nov 03 2016 at  6:29am -0400,
tang.junhui at zte.com.cn <tang.junhui at zte.com.cn> wrote:

> From: "tang.junhui" <tang.junhui at zte.com.cn>
> 
> kmultipathd work queue is used to process queued IOs for multipath
> target when IOs need to retry, but now these IOs have been requeued
> to block queue of DM device, hence this work queue is not useful
> anymore, and this patch deletes it.
> 
> Signed-off-by: tang.junhui <tang.junhui at zte.com.cn>

Nack, you must be looking at older code.  bio-based DM multipath makes
use of kmultipathd.

When suggesting changes please always make sure you're working with the
latest upstream Linux code.

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