GJournal (hopefully) final patches.
Pawel Jakub Dawidek
pjd at FreeBSD.org
Thu Aug 10 22:30:45 UTC 2006
On Thu, Aug 10, 2006 at 04:05:35PM -0500, Craig Boston wrote:
> On Thu, Aug 10, 2006 at 09:28:41PM +0200, Pawel Jakub Dawidek wrote:
> > When you mount file system it sends BIO_GETATTR "GJOURNAL::provider"
> > requests. So as long as classes between the file system and gjournal
> > provider pass BIO_GETATTR down, it will work.
> > I prefer to put gjournal on the top, because it gives consistency to
> > layers below it. [...]
> > [snip]
> > Fortunatelly with GEOM you can freely mix your puzzles.
> Would there be any ill effects to putting multiple filesystems inside a
> single gjournal, say with a bsdlabel or gpt on it?
I don't see any problems with such configuration, but there are no
optimization like "synchronize all file systems and then switch
journals", so it will go like "synchronize one file system switch
journals, synchronize another file system, switch journals, etc.".
Pawel Jakub Dawidek http://www.wheel.pl
pjd at FreeBSD.org http://www.FreeBSD.org
FreeBSD committer Am I Evil? Yes, I Am!
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