linux-kernel - Re: [PATCH 1/5] blk: clean up plug

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Message-ID: <20150501171126.GA16920@lst.de>
Date:	Fri, 1 May 2015 19:11:26 +0200
From:	Christoph Hellwig <hch@....de>
To:	Shaohua Li <shli@...com>
Cc:	linux-kernel@...r.kernel.org, axboe@...com, jmoyer@...hat.com,
	hch@....de, neilb@...e.de
Subject: Re: [PATCH 1/5] blk: clean up plug

On Thu, Apr 30, 2015 at 10:45:14AM -0700, Shaohua Li wrote:
> Current code looks like inner plug gets flushed with a
> blk_finish_plug(). Actually it's a nop. All requests/callbacks are added
> to current->plug, while only outmost plug is assigned to current->plug.
> So inner plug always has empty request/callback list, which makes
> blk_flush_plug_list() a nop. This tries to make the code more clear.

Looks good,

Reviewed-by: Christoph Hellwig <hch@....de>
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