Re: [PATCH] blk-tag: not touch rq->internal_tag

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To: Ming Lei <ming.lei@xxxxxxxxxx>
Subject: Re: [PATCH] blk-tag: not touch rq->internal_tag
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Fri, 16 Jun 2017 01:24:09 -0700
Cc: Jens Axboe <axboe@xxxxxx>, linux-block@xxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
In-reply-to: <20170616080655.23838-1-ming.lei@redhat.com>
User-agent: Mutt/1.8.0 (2017-02-23)

On Fri, Jun 16, 2017 at 04:06:55PM +0800, Ming Lei wrote:
> rq->internal_tag is introduced only for blk-mq, so
> it isn't necessary to touch this variable in blk-tag.
> 
> Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx>

It's not harmful either, is it?

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