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

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Message-Id: <20091113143408.c7965e74.akpm@linux-foundation.org>
Date:	Fri, 13 Nov 2009 14:34:08 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Shaohua Li <shaohua.li@...el.com>
Cc:	linux-kernel@...r.kernel.org, bcrl@...ck.org,
	Jeff Moyer <jmoyer@...hat.com>,
	Zach Brown <zach.brown@...cle.com>
Subject: Re: [PATCH]aio: remove unused field

On Thu, 12 Nov 2009 15:52:47 +0800
Shaohua Li <shaohua.li@...el.com> wrote:

> Don't know the reason, but it appears ki_wait field of iocb never gets used.

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()?

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