linux-kernel - Re: Two identical entries for "rtc" in /proc/devices

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Message-Id: <20070915185020.16BB51F9EAA@adsl-69-226-248-13.dsl.pltn13.pacbell.net>
Date:	Sat, 15 Sep 2007 11:50:21 -0700
From:	David Brownell <david-b@...bell.net>
To:	cebbert@...hat.com, akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Two identical entries for "rtc" in /proc/devices

> On Thu, 06 Sep 2007 18:23:22 -0400 Chuck Ebbert <cebbert@...hat.com> wrote:
>
> > # ls -li
> > total 0
> > 4026532007 -r--r--r-- 1 root root 0 Sep  6 18:18 nvram
> > 4026532067 -r--r--r-- 1 root root 0 Sep  6 18:18 rtc
> > 4026532067 -r--r--r-- 1 root root 0 Sep  6 18:18 rtc
> > 4026532056 -rw-r--r-- 1 root root 0 Sep  6 18:18 snd-page-alloc
>
> Next -mm has
>
> procfs-detect-duplicate-names.patch
> procfs-detect-duplicate-names-fix.patch
> procfs-detect-duplicate-names-fix-fix-2.patch
>
> which will at least tell us who the second offender is.

Semes pretty clear that this must be procfs itself...
when a filesystem sees a name in a directory, it should
refuse to make another file with the same name.  And it
should *never* reuse inode numbers...


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