GJournal (hopefully) final patches.

[Thomas Quinot]

* Pawel Jakub Dawidek, 2006-08-10 :

> I also added a flag for gmirror and graid3 which says "don't
> resynchronize components after a power failure - trust they are
> consistent". And they are always consistent when placed below gjournal.

That sounds a bit suprising; how does gjournal guarantee that a given
write has been committed to the two providers of a mirror?

Thomas.