linux-kernel - Re: [PATCH 05/10] block: remove per-queue plugging

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Date:	Fri, 15 Apr 2011 00:26:11 -0400
From:	"hch@...radead.org" <hch@...radead.org>
To:	Jens Axboe <jaxboe@...ionio.com>
Cc:	NeilBrown <neilb@...e.de>, Mike Snitzer <snitzer@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"hch@...radead.org" <hch@...radead.org>,
	"dm-devel@...hat.com" <dm-devel@...hat.com>,
	"linux-raid@...r.kernel.org" <linux-raid@...r.kernel.org>
Subject: Re: [PATCH 05/10] block: remove per-queue plugging

Btw, "block: move queue run on unplug to kblockd" currently moves
the __blk_run_queue call to kblockd unconditionally currently.  But
I'm not sure that's correct - if we do an explicit blk_finish_plug
there's no point in forcing the context switch.
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