[PATCH 0/5] Dynamic Pseudo Root

[Trond Myklebust]

On Tue, 2008-02-19 at 14:45 +0100, Gabriel Barazer wrote:

> Except if that particular pseudo-fs is capable of creating the same 
> filehandles, because it is designed to do so (by not using inode for 
> creating filehandles, or by generating inode numbers with a specific 
> algorithm). This is not possible with the generic tmpfs and this doesn't 
> require using volatiles FH.


The _only_ algorithm that can create permanent filehandles is to reuse
the filehandles from the underlying filesystem. Otherwise, a call to
exportfs to change the access permissions will result in a change in
filehandle as you flip from exporting the artificial pseudo-fs to the
real fs.

Trond