TAKE - Add new arg to xfs_ag_best_blocks

[Eric Sandeen <sandeen@xxxxxxx>]

Date:  Mon May 14 08:27:31 PDT 2001
Workarea:  sshgate.corp.sgi.com:/home/sandeen/xfs/linux/workarea

This is a merge of irix6.5f:irix:94019a, userspace files also affected
but not in this checkin:

cmd/xfs/mkfs/xfs_mkfs.c

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


Modid:  2.4.x-xfs:slinx:94783a
linux/fs/xfs/xfs_macros.c - 1.38
        - Change "Best" AG size from 1GB to 4GB when the filesystem
exceeds 64GB          (irix6.5f:irix:94019a PVs 821993 821994)

linux/fs/xfs/xfs_ag.h - 1.38
        - Add new arg to xfs_ag_best_blocks (irix6.5f:irix:94019a PVs
821993 821994)