lkml.org 
[lkml]   [2007]   [Aug]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Thinking outside the box on file systems

--- Kyle Moffett <mrmacman_g4@mac.com> wrote:

> On Aug 15, 2007, at 14:05:23, Marc Perkel wrote:
> > In this new system setfacl, chmod, chown, and
> chgrp all go away
> > except inside of an emulation layer. File and
> directories no longer
> > have permissions. People have permission to naming
> patterns. So if
> > you put a file into a tree or move a tree then
> those who have
> > permissions to the tree have access to the files.
> >
> > It eliminates the step of having to apply
> permission after moving
> > files into a tree. You don't have to change file
> permissions
> > because files no longer have permissions.
>
> And I'm trying to tell you that unless you have some
> magic new
> algorithm that turns NP-complete problems into
> O(log(N)) problems,
> your idea won't work. You can't just say "I just do
> one little thing
> (mv) and the entire rest of the computer
> automagically changes to
> match", because that would imply a single unscalable
> global kernel
> lock. "Pattern"-matching is either NP-complete or
> high-polynomial-
> order, depending on how its implemented, and if you
> want to do a
> recursive-chmod during a directory move then you're
> going to have
> race-conditions out the ass. If you have code or
> solid math to back
> up your postings then please do so, but otherwise
> you're just wasting
> time and bandwidth.
>
>


Kyle - you are still missing the point. chmod goes
away. File permissions goes away. Directories as you
know them goes away.



Marc Perkel
Junk Email Filter dot com
http://www.junkemailfilter.com



____________________________________________________________________________________
Got a little couch potato?
Check out fun summer activities for kids.
http://search.yahoo.com/search?fr=oni_on_mail&p=summer+activities+for+kids&cs=bz
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-08-15 22:23    [W:0.101 / U:0.384 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site