md: raid5 run(): Fix max_degraded for raid level 4.

raid4 allows only one failed disk.

Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Andre Noll 2009-03-31 15:00:56 +11:00 • committed by NeilBrown
commit 18b0033491