K 10 svn:author V 4 kris K 8 svn:date V 27 2005-10-16T21:45:25.000000Z K 7 svn:log V 329 Reflect mpsafety of the underlying filesystem in the nullfs image. I benchmarked this by simultaneously extracting 4 large tarballs (basically world images) on a 4-processor AMD64 system, in a malloc-backed md. With this patch, system time was reduced by 43%, and wall clock time by 33%. Submitted by: jeff MFC after: 1 week END