From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mike Snitzer <snitzer@redhat.com>
Subject: Re: dm mpath: remove unusable kmultipathd work queue
Date: Thu, 3 Nov 2016 10:48:26 -0400
Message-ID: <20161103144826.GA21719@redhat.com>
References: <1478168994-9376-1-git-send-email-tang.junhui@zte.com.cn>
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On Thu, Nov 03 2016 at  6:29am -0400,
tang.junhui@zte.com.cn <tang.junhui@zte.com.cn> wrote:

> From: "tang.junhui" <tang.junhui@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@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.