linux-kernel - Re: [PATCH v3 3/4] block: loop: use kthread

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Message-ID: <20150507071707.GB7595@infradead.org>
Date:	Thu, 7 May 2015 00:17:07 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Ming Lei <ming.lei@...onical.com>
Cc:	linux-kernel@...r.kernel.org,
	Dave Kleikamp <dave.kleikamp@...cle.com>,
	Jens Axboe <axboe@...nel.dk>, Zach Brown <zab@...bo.net>,
	Christoph Hellwig <hch@...radead.org>,
	Maxim Patlasov <mpatlasov@...allels.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Tejun Heo <tj@...nel.org>
Subject: Re: [PATCH v3 3/4] block: loop: use kthread_work

On Thu, May 07, 2015 at 01:08:25AM +0800, Ming Lei wrote:
> The following patch will use dio/aio to submit IO to backing file,
> then it isn't good to schedule IO concurrently from work, so
> use kthread_work.

I can't really parse this, what's the specific advantage here?
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