From: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
To: cspalletta@adelphia.net
Cc: linux-kernel@vger.kernel.org, mikew@google.com
Subject: Re: namespace question
Date: Thu, 23 Jun 2005 22:23:52 +0100 [thread overview]
Message-ID: <20050623212352.GO29811@parcelfarce.linux.theplanet.co.uk> (raw)
In-Reply-To: <5353647.1119551462209.JavaMail.root@web1.mail.adelphia.net>
On Thu, Jun 23, 2005 at 02:31:02PM -0400, cspalletta@adelphia.net wrote:
> > > Running a kernel module using dpath iteratively on the mnt_mountpoint member ... I get a curious doubling of the mount point names:
>
> >> proc /proc/proc proc
> >> sysfs /sys/sys sysfs
> >> devpts /dev/pts/dev/pts devpts
> >> tmpfs /dev/shm/dev/shm tmpfs
> >> /dev/hda1 /boot/boot ext2
> >> usbfs /proc/bus/usb/bus/usb usbfs
>
> > Using the same algorithm with mnt_root produces correct results.
>
> > > dentry = dget(vfsmnt_ptr->mnt_mountpoint);
> >
> > should be:
> >
> > dentry = dget(vfsmnt_ptr->mnt_root);
>
> Yes I pointed that out above - what I want to know is why the doubling of the names for mnt_mntpoint. It must be used for something, I suppose.
You are passing d_path() inconsistent arguments and get BS result.
Garbage in, garbage out...
next prev parent reply other threads:[~2005-06-23 21:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-23 18:31 namespace question cspalletta
2005-06-23 21:23 ` Al Viro [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-06-23 15:03 cspalletta
2005-06-23 16:25 ` Mike Waychison
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