gjournal & async

[Pawel Jakub Dawidek]

On Sun, Apr 22, 2007 at 05:48:39PM +0200, Ivan Voras wrote:
> Pawel Jakub Dawidek wrote:
> > On Sun, Apr 22, 2007 at 02:43:29AM +0200, Ivan Voras wrote:
> >> How does gjournal guarantee corectness if UFS is mounted async? AFAIK
> >> the "async" handling of IO requests is done by the UFS, the writes are
> >> not rescheduled at the GEOM layer?
> > 
> > GJournal has some minimum knowledge about VFS. Before it does journal
> > switch, it synchronize and suspends file system. This way we can be sure
> > everything is on disk in a consistent state.
> 
> Thanks. So, this (async support) could actually work with other file
> systems, like ext2 and msdos?

Once gjournal is taught about them, yes.

-- 
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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