Re: namespace question

[<cspalletta@adelphia.net>]

 
---- Mike Waychison <mikew@google.com> wrote: 
> cspalletta@adelphia.net wrote:
> > I don't believe the following to be an error, but I am curious how it occurs:
> > 
> > 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.