linux-kernel - Re: proc_dointvec() and write

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Message-ID: <11729.1274763460@jrobl>
Date:	Tue, 25 May 2010 13:57:40 +0900
From:	"J. R. Okajima" <hooanon05@...oo.co.jp>
To:	Cong Wang <amwang@...hat.com>
Cc:	opurdila@...acom.com, davem@...emloft.net,
	linux-kernel@...r.kernel.org
Subject: Re: proc_dointvec() and write


Cong Wang:
> Hmm, odd, I tested other proc files, I see no problem.
> I am wondering why /proc/sys/kernel/printk is special here.

The condition is,
- the entry has multiple values, .maxlen = N * sizeof(foo)
- the entry is writable, .mode = 0644 (or something)

In sysctl.c, only "printk" and "acct" match.


J. R. Okajima
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