From: Karel Zak <kzak@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: Zhi Li <xiaoxiang.fu@163.com>
Subject: Re: zero devno in /proc/self/mountinfo
Date: Wed, 29 Feb 2012 15:37:25 +0100 [thread overview]
Message-ID: <20120229143725.GA18232@x2.net.home> (raw)
In-Reply-To: <20120229141433.GB8471@x2.net.home>
On Wed, Feb 29, 2012 at 03:14:33PM +0100, Karel Zak wrote:
> On Wed, Feb 29, 2012 at 04:28:49PM +0800, Zhi Li wrote:
> > zhi@debian-lizhi:~$ cat /proc/self/mountinfo
> > 14 19 0:0 / /sys rw,nosuid,nodev,noexec,relatime - sysfs none rw
>
> Strange, I have never seen zero (0:0) devno. Is it correct? Seems
> like a bug.
OK, fs/super.c, get_anon_bdev(), unnamed_dev_start = 0; explains the
problem. It seems like expected behavior.
Karel
--
Karel Zak <kzak@redhat.com>
http://karelzak.blogspot.com
prev parent reply other threads:[~2012-02-29 14:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1330504129-5545-1-git-send-email-lizhi1215@gmail.com>
2012-02-29 14:14 ` Karel Zak
2012-02-29 14:37 ` Karel Zak [this message]
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