[Unionfs] per process namespace

Josef Sipek jsipek at fsl.cs.sunysb.edu
Wed Mar 29 12:31:05 EST 2006


On Wed, Mar 29, 2006 at 12:06:49PM +0100, Mike Hearn wrote:
> Rogelio Serrano wrote:
> >How close is unionfs to allow us to hack up per process namespaces? ala 
> >Plan9.
> 
> Doesn't the kernel support this natively? There is a clone flag for it.

The kernel has support for it, but the filesystem has to use it. The
super operation select_super (or whatever it is called exactly) allows
you to choose between several superblock stuctures based on whatever
criteria you want.

Jeff.



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