/tmp on tmpfs with selinux enabled

[Aleksandar Milivojevic]

Matthew Miller wrote:
> On Fri, May 06, 2005 at 09:59:47AM -0500, Aleksandar Milivojevic wrote:
> 
>>Basically, I have /tmp mounted on small tmpfs file system (to keep it 
>>separate from root partition, without need for allocating dedicated disc 
>>space for it).  Now, root directory of anything mounted as tmpfs will be 
> 
> A non-selinux issue I ran into trying to do this: loopback devices can't (or
> couldn't) be on tmpfs. Previously, this caused new kernel installs to fail,
> but shouldn't with the new way of doing initrds -- but it still might cause
> other surprises.

Seems that on current kernels (well, at least 2.6.9+) loopback device 
can live on tmpfs.  I've just tried out "mount -o loop /tmp/fd.img 
/tmp/mnt", and it worked correctly on machine that has tmpfs mounted 
/tmp (RHEL4 machine, currently my Fedora machine is using "normal" /tmp).

-- 
Aleksandar Milivojevic <amilivojevic at pbl.ca>    Pollard Banknote Limited
Systems Administrator                           1499 Buffalo Place
Tel: (204) 474-2323 ext 276                     Winnipeg, MB  R3T 1L7