TAKE 927536 - per-device hash tables

[Nathan Scott <nathans@xxxxxxxxxxxxxxxxxxxxxxx>]

Move to per-device hash tables (scalability), and use
Bill Irwins hash (quicker).

Date:  Fri Dec 24 13:58:33 AEDT 2004
Workarea:  chook.melbourne.sgi.com:/build/nathans/xfs-linux
Inspected by:  hch@xxxxxx

The following file(s) were checked into:
  longdrop.melbourne.sgi.com:/isms/xfs-kern/xfs-linux-melb


Modid:  xfs-linux-melb:xfs-kern:20989a
xfsidbg.c - 1.268
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfsidbg.c.diff?r1=text&tr1=1.268&r2=text&tr2=1.267&f=h
xfs_vfsops.c - 1.460
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_vfsops.c.diff?r1=text&tr1=1.460&r2=text&tr2=1.459&f=h
linux-2.6/xfs_buf.h - 1.102
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/linux-2.6/xfs_buf.h.diff?r1=text&tr1=1.102&r2=text&tr2=1.101&f=h
linux-2.6/xfs_buf.c - 1.184
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/linux-2.6/xfs_buf.c.diff?r1=text&tr1=1.184&r2=text&tr2=1.183&f=h
linux-2.4/xfs_buf.h - 1.108
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/linux-2.4/xfs_buf.h.diff?r1=text&tr1=1.108&r2=text&tr2=1.107&f=h
linux-2.4/xfs_buf.c - 1.200
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/linux-2.4/xfs_buf.c.diff?r1=text&tr1=1.200&r2=text&tr2=1.199&f=h