linux-kernel - Re: [PATCH] udp: Switch the order of arguments to copy_linear

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Message-ID: <YJqI3Vixcqr+jyZX@casper.infradead.org>
Date:   Tue, 11 May 2021 14:38:37 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     David Laight <David.Laight@...lab.com>
Cc:     "davem@...emloft.net" <davem@...emloft.net>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "yoshfuji@...ux-ipv6.org" <yoshfuji@...ux-ipv6.org>,
        "dsahern@...nel.org" <dsahern@...nel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Eric Dumazet <edumazet@...gle.com>
Subject: Re: [PATCH] udp: Switch the order of arguments to copy_linear_skb

On Tue, May 11, 2021 at 01:11:42PM +0000, David Laight wrote:
> From: Matthew Wilcox
> > Sent: 11 May 2021 12:34
> > 
> > All other skb functions use (off, len); this is the only one which
> > uses (len, off).  Make it consistent.
> 
> I wouldn't change the order of the arguments without some other
> change that ensures old code fails to compile.
> (Like tweaking the function name.)

Yes, some random essentially internal function that has had no new
users since it was created in 2017 should get a new name *eyeroll*.

Please find more useful things to critique.  Or, you know, write some
damned code yourself instead of just having opinions.