[xfs-masters] Re: freeze vs freezer

[Oliver Neukum <oliver@xxxxxxxxxx>]

Am Donnerstag, 3. Januar 2008 10:52:53 schrieb Nigel Cunningham:
> Hi.
> 
> Oliver Neukum wrote:
> > Am Donnerstag 03 Januar 2008 schrieb Nigel Cunningham:
> >> On top of this, I made a (too simple at the moment) freeze_filesystems
> >> function which iterates through &super_blocks in reverse order, freezing
> >> fuse filesystems or ordinary ones. I say 'too simple' because it doesn't
> >> currently allow for the possibility of someone mounting (say) ext3 on
> >> fuse, but that would just be an extension of what's already done.
> > 
> > How do you deal with fuse server tasks using other fuse filesystems?
> 
> Since they're frozen in reverse order, the dependant one would be frozen
> first.

Say I do:

a) mount fuse on /tmp/first
b) mount fuse on /tmp/second

Then the server task for (a) does "ls /tmp/second". So it will be frozen,
right? How do you then freeze (a)? And keep in mind that the server task
may have forked.

        Regards
                Oliver