netdev - Re: [PATCH net-next] bonding: remove entries for master_ip and vlan

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Date:	Wed, 21 Mar 2012 12:25:53 -0400
From:	Andy Gospodarek <gospo@...hat.com>
To:	David Miller <davem@...emloft.net>
Cc:	andy@...yhouse.net, fubar@...ibm.com, netdev@...r.kernel.org,
	ralf.zeidler@....com
Subject: Re: [PATCH net-next] bonding: remove entries for master_ip and
 vlan_ip and query devices instead

On Fri, Mar 16, 2012 at 10:55:33PM -0700, David Miller wrote:
> From: Andy Gospodarek <andy@...yhouse.net>
> Date: Fri, 16 Mar 2012 09:48:23 -0400
> 
> > On Thu, Mar 15, 2012 at 9:03 PM, Jay Vosburgh <fubar@...ibm.com> wrote:
> >>>@@ -2618,7 +2624,9 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
> >>>               if (!bond_vlan_used(bond)) {
> >>>                       pr_debug("basa: empty vlan: arp_send\n");
> >>>                       bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i],
> >>>-                                    bond->master_ip, 0);
> >>>+                                    bond_confirm_addr(bond->dev,
> >>>+                                                      targets[i],
> >>>+                                                      0), 0);
> >>
> >>        Same comment here and for the later calls to bond_confirm_addr,
> >> here putting "targets[i]" and perhaps the 0 on the previous line,
> >> although I'm less sure that it won't look funky.
> >>
> >>        -J
> >>
> > 
> > These we a bit tough to get looking great.  What I did really seemed
> > like the best I could do and keep it to a reasonable length.  If you
> > want me to just keep the length of these lines <100 characters wide, I
> > could combine them into the same line.  Either way is fine with me,
> > but I really just didn't want the code to get too wide and hard to
> > read when using a standard size terminal.
> 
> It seems to me that the easiest thing to do is:
> 
> 	__be32 addr = bond_confirm_addr(bond->dev, targets[i], 0);
> 	bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i], addr, 0);
> 
> And actually this sequence is used in three places, so even better
> to put it into a helper function.

For readability it makes sense to pop this function out like you have
suggested.  I'm not sure I want to make a helper function for both
calls, but I'll take a look at post an update patch.

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