Re: [PATCH 3/3] Add the code for adding the mountee to the merged filesystems

[olafBuddenhagen]

Hi,

On Sun, Jul 05, 2009 at 06:53:50PM +0300, Sergiu Ivanov wrote:
> On Fri, Jul 03, 2009 at 07:07:59AM +0200, olafBuddenhagen@gmx.net wrote:
> > On Thu, Jun 11, 2009 at 09:25:10PM +0300, Sergiu Ivanov wrote:

> > > +  ulfs_check ();
> > > +  node_init_root (netfs_root_node);
> > 
> > Why is this needed here and not in the original code?...
> 
> ulfs_check is used to update the list of ports to the underlying
> filesystems maintained by unionfs, while node_init_root is used to
> store a (similar) list of ports in the root node.
> 
> unionfs invokes both of these functions only in _root_update_thread
> and does this with the point of doing a global synchronization,
> i.e. making sure the merged directories still exist and dropping dead
> items.
> 
> I call these functions explicitly because I want to force the update
> of the list of filesystems and the root node.

Why?

-antrik-