TAKE - Fix v1dir getdents to not return false EFSCORRUPTED

[Eric Sandeen <sandeen@xxxxxxx>]

fix getdents so that xfs_da_read_buf doesn't return an EFSCORRUPTED except
when there is a real problem.

Date:  Tue Mar  4 12:49:48 PST 2003
Workarea:  
stout.americas.sgi.com:/localhome/src/sandeen/2.4.x-xfs/workarea-modmerge
Inspected by:  overby
Author:  cwf
Merged by:  sandeen
Merged mods:  irix6.5f:irix:138531a

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


Modid:  2.4.x-xfs:slinx:138531a
linux/fs/xfs/xfs_dir.c - 1.149
        - Merge of irix6.5f:irix:138531a by sandeen.
          Merge of irix6.5m:irix:138531a by cwf.
          fix getdents so that xfs_da_read_buf doesn't return an EFSCORRUPTED 
except
          when there is a real problem.