K 10 svn:author V 4 grog K 8 svn:date V 27 2000-02-29T06:15:26.000000Z K 7 svn:log V 283 Fix horrible, embarrassing breakage which caused occasional panics and data corruption. It's a wonder it worked at all. Led-on-the-right-path-by: dillon revive_block: Add treatment for RAID-4. Add function parityrebuild, called by revive_block and parityops. Approved-by: jkh END