netdev - Re: [PATCH 17/17] rds: switch rds_message_copy_from_user() to iov

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Message-ID: <20141124101750.GF7996@ZenIV.linux.org.uk>
Date:	Mon, 24 Nov 2014 10:17:50 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Ben Hutchings <ben@...adent.org.uk>
Cc:	David Miller <davem@...emloft.net>, torvalds@...ux-foundation.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	target-devel@...r.kernel.org, nab@...ux-iscsi.org,
	hch@...radead.org
Subject: Re: [PATCH 17/17] rds: switch rds_message_copy_from_user() to
 iov_iter

On Mon, Nov 24, 2014 at 02:00:18AM +0000, Ben Hutchings wrote:
> On Sat, 2014-11-22 at 04:39 +0000, Al Viro wrote:
> [...]
> > -		ret = rds_page_copy_from_user(sg_page(sg), sg->offset + sg_off,
> > -					      iov->iov_base + iov_off,
> > -					      to_copy);
> [...]
> 
> It looks like rds_page_copy{,_from,_to}_user() are all unused after this
> change, so you could delete them.

Maybe.  Or maybe add a saner wrapper for rds_page_copy_from_user()...  Separate
story, anyway.
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