TAKE - use i_size_read and i_size_write

[Steve Lord <lord@xxxxxxx>]

Use i_size_read and i_size_write instead of direct access to the i_size
field.


Date:  Tue Jul 29 09:49:18 PDT 2003
Workarea:  jen.americas.sgi.com:/src/lord/xfs-linux.2.5

The following file(s) were checked into:
  bonnie.engr.sgi.com:/isms/slinx/2.5.x-xfs


Modid:  2.5.x-xfs:slinx:154481a
linux/fs/xfs/linux/xfs_vnode.c - 1.115
linux/fs/xfs/linux/xfs_super.c - 1.279
        - Use i_size_write to set inode size

linux/fs/xfs/linux/xfs_aops.c - 1.43
        - Switch xfs to using i_size_read and i_size_write, fix a bug in the
          unwritten extent case where we could incorrectly treat a page as
          the last one in the file.