netdev - Re: [PATCH] vhost: Drop linux/socket.h

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Date:	Fri, 16 Aug 2013 17:27:43 +0800
From:	Asias He <asias@...hat.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, mst@...hat.com, jasowang@...hat.com,
	kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH] vhost: Drop linux/socket.h

On Fri, Aug 16, 2013 at 12:31:59AM -0700, David Miller wrote:
> From: Asias He <asias@...hat.com>
> Date: Fri, 16 Aug 2013 09:27:43 +0800
> 
> > On Thu, Aug 15, 2013 at 02:07:40PM -0700, David Miller wrote:
> >> From: Asias He <asias@...hat.com>
> >> Date: Thu, 15 Aug 2013 11:20:16 +0800
> >> 
> >> > memcpy_fromiovec is moved to lib/iovec.c. No need to include
> >> > linux/socket.h for it.
> >> > 
> >> > Signed-off-by: Asias He <asias@...hat.com>
> >> 
> >> You can't do this.
> >> 
> >> Because this file doesn't include the header file that
> >> provides the declaration, which is linux/uio.h
> > 
> > vhost.c includes drivers/vhost/vhost.h. In drivers/vhost/vhost.h, we
> > have linux/uio.h included.
> 
> Nothing in vhost.h needs linux/uio.h right?  That's very poor style,
> include the header where the dependency exists which is vhost.c

We use 'struct iovec' in vhost.h which needs linux/uio.h, no?

So, how about including linux/uio.h in both vhost.c and vhost.h.

-- 
Asias
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