TAKE 915844 - fixes from running sparse checker

[Nathan Scott <nathans@xxxxxxxxxxxxxxxxxxxxxxx>]

Initial, simple sparse fixes - fix uses of macros before their
definitions, etc.

Date:  Tue Jun  8 00:09:06 PDT 2004
Workarea:  snort.melbourne.sgi.com:/home/nathans/ultra-clean-xfs-linux
Inspected by:  sandeen@xxxxxxx

The following file(s) were checked into:
  bonnie.engr.sgi.com:/isms/xfs-kern/xfs-linux


Modid:  xfs-linux:xfs-kern:173194a
xfsidbg.c - 1.261
xfs.h - 1.45
xfs_arch.h - 1.43
xfs_acl.h - 1.27
linux-2.6/xfs_fs_subr.c - 1.41
linux-2.4/xfs_fs_subr.c - 1.43
linux-2.6/kmem.h - 1.25
linux-2.4/kmem.h - 1.26