TAKE - get version 1 directories back into action

[Steve Lord <lord@sgi.com>]

This gets version 1 directories functioning for the most part,
there will always be corner cases, this is just so you can mount
older irix filesystems.

Date:  Wed Aug  6 07:31:37 PDT 2003
Workarea:  jen.americas.sgi.com:/src/lord/xfs-linux.2.4
Author:  lord
Merged by:  lord
Merged mods:  2.4.x-xfs-kern:slinx:155149a

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


Modid:  xfs-linux:slinx:155149a
linux/fs/xfs/xfs_dir_leaf.c - 1.116
	- Merge of 2.4.x-xfs-kern:slinx:155149a by lord.

linux/fs/xfs/xfs_dir2_leaf.h - 1.15
	- Merge of 2.4.x-xfs-kern:slinx:155149a by lord.

linux/fs/xfs/linux/xfs_file.c - 1.93
	- Merge of 2.4.x-xfs-kern:slinx:155149a by lord.