Re: [PATCH] Linux-2.5 fix/improve get_pid()

[Alan Cox]

On Sat, 2002-08-10 at 19:48, Jamie Lokier wrote:
> Linus Torvalds wrote:
> > > Oh dear -- what of programs that assume duplicate inode numbers are hard
> > > links, and therefore assume the same contents will be found in each
> > > duplicate?
> > 
> > Well, anybody who tries to back up /proc with "tar" is in for some 
> > surprises anyway ;)
> 
> I was thinking of an over-intelligent `find'.  But hey, as long as this
> is only for the weird and wonderful /proc :-)

If they hold both handles open and stat them and find the same inode
number then yes its a bug. We have lots of room for inode numbers to
handle 2^30 processes and allow for 2^30 other files