TAKE - minor tidyups

[Nathan Scott <nathans@xxxxxxxxxxxxxxxxxxxxxxx>]

Fix up some comments, tidy up some macros - no functional changes.


Date:  Wed Jan  1 17:40:40 PST 2003
Workarea:  snort.melbourne.sgi.com:/home/nathans/2.4.x-xfs

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


Modid:  2.4.x-xfs:slinx:135917a
linux/fs/xfs/xfs_utils.c - 1.57
linux/fs/xfs/linux/xfs_vnode.h - 1.74
        - Add a vname to vnode macro, finishing off the dentry/core XFS
          code abstraction from a little while ago.

linux/fs/xfs/pagebuf/page_buf.c - 1.90
        - Fix some comments related to IO completion callbacks.