linux-kernel - Re: [patch]blk-mq: blk_mq_tag_to

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Message-ID: <20140509150018.GA26215@infradead.org>
Date:	Fri, 9 May 2014 08:00:18 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Shaohua Li <shli@...nel.org>
Cc:	linux-kernel@...r.kernel.org, axboe@...nel.dk, hch@...radead.org
Subject: Re: [patch]blk-mq: blk_mq_tag_to_rq should handle flush request

On Fri, May 09, 2014 at 08:07:33PM +0800, Shaohua Li wrote:
> 
> flush request is special, which borrows tag from other request. Need a special
> handling to get it from tag.

Thanks, we probably need this one.  But I think you can simply test
REQ_FLUSH_SEQ the passed in request instead of the flush_rq_tag_valid
flag/

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