TAKE - enable -o sync for xfs

[Steve Lord <lord@xxxxxxx>]

This will make xfs obey the -o sync mount option for writes. If you
want metadata to be synchronous too then add the wsync mount option.

Steve

Date:  Tue Jun 11 13:09:29 PDT 2002
Workarea:  jen.americas.sgi.com:/src/lord/xfs-linux.2.4

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


Modid:  2.4.x-xfs:slinx:121268a
linux/fs/xfs/linux/xfs_lrw.c - 1.146
        - Turn on sync writes for a filesystem mounted -o sync