On Tue, Jul 12, 2005 at 05:41:43PM -0700, Daniel Walker wrote: > On Wed, 2005-07-13 at 10:25 +1000, Nathan Scott wrote: > > On Tue, Jul 12, 2005 at 04:01:32PM -0700, Daniel Walker wrote: > > > > > > Is there something so odd about the XFS locking, that it can't use the > > > rt_lock ? > > > > Not that I know of - XFS does use the downgrade_write interface, > > whose use isn't overly common in the rest of the kernel... maybe > > that has caused some confusion, dunno. > > Current RT doesn't implement downgrade_write() , but it's trivial to add > it.
Ah, thats probably it then. > So it calls up_read if it has a read lock ? Or up_write if it has a > write lock? I suppose it would be broken if it didn't though. Thats correct. cheers. -- Nathan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
