TAKE 910887 - fix max file size case

[Nathan Straz <nstraz@xxxxxxx>]

Fix the case where we write to a file with max file size.  We weren't
able to convert the last block if it was dealloc.

Date:  Fri Mar 19 14:46:00 PST 2004
Workarea:  maine.americas.sgi.com:/extra/wa/xfs-linux
Inspected by:  nathans

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


Modid:  xfs-linux:xfs-kern:168809a
linux-2.6/xfs_aops.c - 1.67
linux-2.4/xfs_aops.c - 1.77
        - Use unsigned long long for end_offset so we don't overflow it.

-- 
Nate Straz                                              nstraz@xxxxxxx
sgi, inc                                           http://www.sgi.com/
Linux Test Project                                  http://ltp.sf.net/