Re: how to show propagation state for mounts

2008-02-20 Thread Miklos Szeredi
> > I wonder, what is wrong in reporting mounts in other namespaces that > > either receive and send propagation to mounts in our namespace? > > A plenty. E.g. if foo trusts control over /var/blah to bar, it's not > obvious that foo has any business knowing if bar gets it from somebody > else in

Re: how to show propagation state for mounts

2008-02-20 Thread Al Viro
On Wed, Feb 20, 2008 at 11:29:13AM -0800, Ram Pai wrote: > I wonder, what is wrong in reporting mounts in other namespaces that > either receive and send propagation to mounts in our namespace? A plenty. E.g. if foo trusts control over /var/blah to bar, it's not obvious that foo has any business

Re: how to show propagation state for mounts

2008-02-20 Thread Ram Pai
On Wed, 2008-02-20 at 09:31 -0700, Matthew Wilcox wrote: > On Wed, Feb 20, 2008 at 04:04:22PM +, Al Viro wrote: > > It's less about the form of representation (after all, we generate poll > > events when contents of that sucker changes, so one *can* get a consistent > > snapshot of the entire t

Re: how to show propagation state for mounts

2008-02-20 Thread Ram Pai
On Wed, 2008-02-20 at 17:27 +0100, Miklos Szeredi wrote: > > On Wed, Feb 20, 2008 at 04:39:15PM +0100, Miklos Szeredi wrote: > > > > mountinfo - IMO needs a sane discussion of what and how should be shown > > > > wrt propagation state > > > > > > Here's my take on the matter. > > > > > > The prop

Re: how to show propagation state for mounts

2008-02-20 Thread Matthew Wilcox
On Wed, Feb 20, 2008 at 04:04:22PM +, Al Viro wrote: > It's less about the form of representation (after all, we generate poll > events when contents of that sucker changes, so one *can* get a consistent > snapshot of the entire thing) and more about having it self-contained > when we have name

Re: how to show propagation state for mounts

2008-02-20 Thread Miklos Szeredi
> On Wed, Feb 20, 2008 at 04:39:15PM +0100, Miklos Szeredi wrote: > > > mountinfo - IMO needs a sane discussion of what and how should be shown > > > wrt propagation state > > > > Here's my take on the matter. > > > > The propagation tree can be either be represented > > > > 1) "from root to le

Re: how to show propagation state for mounts

2008-02-20 Thread Al Viro
On Wed, Feb 20, 2008 at 04:39:15PM +0100, Miklos Szeredi wrote: > > mountinfo - IMO needs a sane discussion of what and how should be shown > > wrt propagation state > > Here's my take on the matter. > > The propagation tree can be either be represented > > 1) "from root to leaf" listing member