K 10 svn:author V 8 mckusick K 8 svn:date V 27 2001-12-14T10:49:15.000000Z K 7 svn:log V 392 Add disk I/O scheduling for positively niced processes. When a positively niced process requests a disk I/O, make it wait for its nice value of ticks before scheduling its I/O request if there are any other processes with I/O requests in the disk queue. For all the gory details, see the ``Running fsck in the Background'' paper in the Usenix BSDCon 2002 Conference Proceedings, pages 55-64. END