netdev - Re: [Patch 2/3] sysctl: add proc_do_large

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Date:	Wed, 05 May 2010 17:20:50 +0800
From:	Cong Wang <amwang@...hat.com>
To:	Changli Gao <xiaosuo@...il.com>
CC:	linux-kernel@...r.kernel.org,
	Octavian Purdila <opurdila@...acom.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	penguin-kernel@...ove.sakura.ne.jp, netdev@...r.kernel.org,
	Neil Horman <nhorman@...driver.com>, ebiederm@...ssion.com,
	adobriyan@...il.com, David Miller <davem@...emloft.net>
Subject: Re: [Patch 2/3] sysctl: add proc_do_large_bitmap

Cong Wang wrote:
> Changli Gao wrote:
>>                      add the following lines to let "echo 1-10 >>
>> /proc/..." work as normal.
> 
> Hmm, I haven't tested this, what did you see if we append
> lines into it?
> 
> Also, do we need appending lines to this /proc file when design it?
> Octavian? Eric?
> 

Hmm, currently this behaves like other /proc files, IOW,
echo 'foo' >> /proc/XXX is the same with echo 'foo' > /proc/XXX.

I think it is reasonable for bitmap /proc files to have
echo 'foo' >> /proc/XXX behaves like non-proc files, that is
appending numbers into that file, like what Changli mentioned.

Any objections?

Thanks.
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