linux-kernel - Re: [RFC PATCH v2 15/21] loop: use aio to perform io on the underlying file

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Message-ID: <4F917751.9040600@parallels.com>
Date:	Fri, 20 Apr 2012 18:48:49 +0400
From:	"Maxim V. Patlasov" <mpatlasov@...allels.com>
To:	Dave Kleikamp <dave.kleikamp@...cle.com>
CC:	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Zach Brown <zab@...bo.net>
Subject: Re: [RFC PATCH v2 15/21] loop: use aio to perform io on the underlying
 file

On 03/30/2012 07:43 PM, Dave Kleikamp wrote:
> From: Zach Brown<zab@...bo.net>
>
> This uses the new kernel aio interface to process loopback IO by
> submitting concurrent direct aio.  Previously loop's IO was serialized
> by synchronous processing in a thread.
>

The patch ignores REQ_FLUSH bit of bi_rw. Is it simply overlook?

Thanks,
Maxim
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