linux-kernel - Buffered filesystem AIO status?

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Message-ID: <054301c809c4$bc5bc530$a5ac83c3@dmitryd3a1165b>
Date:	Mon, 8 Oct 2007 20:03:06 +0400
From:	"Dmitry Sychov" <accelware@...elware.com>
To:	<linux-kernel@...r.kernel.org>
Subject: Buffered filesystem AIO status?

Hello,

I'am the developer of the subset of Linux API on windows.

Pretty much all system calls were "wrapped" up to the the latest
kernel native AIO support.

While compiling/running test program natively on Linux
(2.6.18-8.1.10.el5)
I've got hit by undocumented limitations of AIO system:

* aio support only for files opened with O_DIRECT
* alignment issues/data sizes for O_DIRECT-opened files
* special cases like extending file, reading meatadata
  also seem to block.

I was glad to find out that a work was done to overcome this:
http://www.kernel.org/pub/linux/kernel/people/suparna/aio/

The only thing that concerns me is that the 2007 year
patches are all against release candidates, and the latest
one was released more than 7 months ago.

So I'am looking for the status update.

Any current plans/interest to finally include this in latest
trees?

Or this was taken down in favour of servlets?

Regards,

--
dmitry
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