Re: [PATCH 00/20] Mount writer count and read-only bind mounts (v3)

From: Randy.Dunlap
Date: Tue Jun 27 2006 - 22:20:17 EST


On Tue, 27 Jun 2006 19:17:27 -0700 Andrew Morton wrote:

> On Tue, 27 Jun 2006 18:50:36 -0700
> Dave Hansen <haveblue@xxxxxxxxxx> wrote:
>
> > > > Since the last revision, the locking in faccessat() and
> > > > mnt_is_readonly() has been changed to fix a race which might have
> > > > caused a false-negative mount-is-readonly return when faccessat()
> > > > is called while another two processes are racing to make a mount
> > > > readonly.
> > > >
> > > umm, what's it all for?
> >
> > Mostly for vserver, for now. They allow a filesystem to be r/w, but
> > have r/o views into it. This is really handy so that every vserver can
> > use a common install but still allow the administrator to update it.
>
> OK. That makes it one of those features which stays in -mm until we work
> out what we're going to do about containers/vserver/etc.
>
> Unless there's something else which needs it?
>
> This is all rather important info, you know. It should be presented
> front-and-centre in [patch 0/N]. In detail...

TPP says not to use patch 0/N.... !!?!!?!?!?
so which way do you want it?

---
~Randy
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