linux-kernel - Re: [PATCH]aio: remove unused field

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Date:	Mon, 16 Nov 2009 13:12:28 -0800
From:	Zach Brown <zach.brown@...cle.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	Shaohua Li <shaohua.li@...el.com>, linux-kernel@...r.kernel.org,
	bcrl@...ck.org, Jeff Moyer <jmoyer@...hat.com>,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	linux-usb@...r.kernel.org
Subject: Re: [PATCH]aio: remove unused field


> If we do this then kick_iocb() has only one in-kernel caller, in
> drivers/usb/gadget/inode.c.  I wonder if the gadget code really needs
> to be using kick_iocb()?

I don't think that it needs to, no.  It's only using the aio retry
functionality to perform a copy of read data into user space.

I have a patch to switch it to using schedule_work() instead:

  http://marc.info/?l=linux-fsdevel&m=125624446623075&w=2

I've been focusing on other things instead of pushing that to the usb
folks to be tested and merged, though.  I've cc:ed them in case they
want to run with this.

- z
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