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Date:	Thu, 01 Nov 2012 18:23:47 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>
Subject: Re: [Suggestion] net-ipv6: format %8s change to %16s in rt6_info_route
 function of route.c

于 2012年11月01日 17:01, Eric Dumazet 写道:
> Hi Chen
> 
> Thats a good suggestion indeed.
> 

  thank you very much for your confirmation.

> Networking patches should be sent to netdev@...r.kernel.org (added in
> CC)

  I will do it.

> 
> This list only cares about recent generic kernels, not RedHat ones.
> 

  it seems "it is not suitable to send any issues which only relative
with Red Hat to linux-*@...r.kernel.org".



> If you want to provide a patch, please base it on David Miller net-next
> [1] tree, and make it official (read Documentation/SubmittingPatches for
> general advices)
> 

  ok, I will follow, thank you for your information.


> By the way, the %8s should be replaced by %s, there is no need to make
> /proc/net/ipv6_route 'beautiful'. In the past, it was *needed* because
> each line had to be of a given length, but its not anymore the case.
> 
> Thanks
> 

1) I agree with your result.

2) But for the "reason", I have my opinions:
   A) %.8s :  for limitation of output string length.
   B) %8s  :  for width of output string length (but not limit 8).
   C) %8.8s:  both limitation and width.

3) for rt->rt6i_dev->name:
   A) original %8s is not a bug for name len is more than 8 (can still
be outputted correctly)
   B) it is only effect with name len is less than 8 (it will fill some
' ' before the name)
   C) this is the reason why I call it "beautiful", not a bug.


> [1] :
> http://git.kernel.org/?p=linux/kernel/git/davem/net-next.git;a=summary
> 

  I will reference it, thanks.


-- 
Chen Gang

Asianux Corporation
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