PARTIAL TAKE 940392 - unwritten extents aren't converted when modified through mmap

[dgc@xxxxxxx (David Chinner)]

QA test to demonstrate unwritten extent/mmap write problem.

Date:  Mon Apr 23 16:24:57 AEST 2007
Workarea:  chook.melbourne.sgi.com:/build/dgc/isms/xfs-cmds
Inspected by:  ddiss

The following file(s) were checked into:
  longdrop.melbourne.sgi.com:/isms/xfs-cmds/master-melb


Modid:  master-melb:xfs-cmds:28456a
xfstests/166 - 1.1 - new
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-cmds/xfstests/166
xfstests/166.out - 1.1 - new
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-cmds/xfstests/166.out
xfstests/src/unwritten_mmap.c - 1.1 - new
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-cmds/xfstests/src/unwritten_mmap.c
xfstests/group - 1.103 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-cmds/xfstests/group.diff?r1=text&tr1=1.103&r2=text&tr2=1.102&f=h
xfstests/src/Makefile - 1.39 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-cmds/xfstests/src/Makefile.diff?r1=text&tr1=1.39&r2=text&tr2=1.38&f=h
        - mmap vs unwritten extents test.