TAKE - set pagebuf lock tracking via debug

[Nathan Scott <nathans@xxxxxxxxxxxxxxxxxxxxxxx>]

Date:  Mon Nov 17 16:28:45 PST 2003
Workarea:  bruce.melbourne.sgi.com:/build2/clean24

The following file(s) were checked into:
  bonnie.engr.sgi.com:/isms/slinx/2.4.x-xfs


Modid:  xfs-linux:slinx:161981a
linux/fs/xfs/linux/Makefile - 1.196
linux/fs/xfs/Makefile - 1.55
linux/fs/xfs/pagebuf/Makefile - 1.22
        - Enable pagebuf lock tracking via debug.

linux/fs/xfs/pagebuf/page_buf.h - 1.74
        - Remove comment about pagebuf lock tracking - this is set via the
          debug config option now.  Remove an unused type.

linux/fs/xfs/xfsidbg.c - 1.245
        - Simplify pagebuf lock tracking diagnostics.