From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH 68/75] hv: netvsc: convert to SKB paged frag API. Date: Fri, 19 Aug 2011 14:46:27 +0100 Message-ID: <1313761587.5010.365.camel@zakaz.uk.xensource.com> References: <1313760393.5010.356.camel@zakaz.uk.xensource.com> <1313760467-8598-68-git-send-email-ian.campbell@citrix.com> <20110819133739.GA3715@shale.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: "devel@driverdev.osuosl.org" , Abhishek Kane , "netdev@vger.kernel.org" , Haiyang Zhang , Greg Kroah-Hartman , "linux-kernel@vger.kernel.org" To: Dan Carpenter Return-path: In-Reply-To: <20110819133739.GA3715@shale.localdomain> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devel-bounces@linuxdriverproject.org Sender: devel-bounces@linuxdriverproject.org List-Id: netdev.vger.kernel.org On Fri, 2011-08-19 at 14:37 +0100, Dan Carpenter wrote: > On Fri, Aug 19, 2011 at 02:27:40PM +0100, Ian Campbell wrote: > > /* usually there's just one frag */ > > - skb_frag_set_page(skb, 0, gl->frags[0].page); > > + skb_frag_set_page(skb, 0, gl->frags[0].page.p); /* XXX */ > > There are bunch of new /* XXX */ comments. What are they for? They are a reminder referring to the dilemma I mentioned in the intro mail. Basically that ".p" is ugly because gl->frags[0].page isn't actually a paged fragment, it's just that this driver uses skb_frag_t in its internal datastructures. Ian.