Chuck Silvers <chs@netbsd.org> writes:
> Module Name:	syssrc
> Committed By:	chs
> Date:		Thu Oct 24 16:41:01 UTC 2002
> 
> Modified Files:
> 	syssrc/sys/ufs/mfs: mfs_vfsops.c
> 
> Log Message:
> the work-around in rev. 1.37 (turn off async) wasn't enough to prevent
> hangs under heavy load.  so we now apply the more extreme version:
> make MFS mounts "sync".  fixes PRs 17128 and 17321.

Well, this papers over the problem but it doesn't address why and cuts
our performance. mfs was async for a long time and did just fine in
the old world order.

-- 
Perry E. Metzger		perry@piermont.com