PARTIAL TAKE 945264 - di_extsize userspace support

[nathans@xxxxxxx (Nathan Scott)]

Implement the di_extsize allocator hint for non-realtime files as well.
Also provides a mechanism for inheriting this property from the parent
directory for new files.

Date:  Fri Nov 11 16:29:47 AEDT 2005
Workarea:  chook.melbourne.sgi.com:/build/nathans/xfs-cmds
Inspected by:  tes@xxxxxxx

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


Modid:  master-melb:xfs-cmds:24368a
xfsprogs/db/inode.c - 1.16 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-cmds/xfsprogs/db/inode.c.diff?r1=text&tr1=1.16&r2=text&tr2=1.15&f=h
xfsprogs/include/xfs_fs.h - 1.37 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-cmds/xfsprogs/include/xfs_fs.h.diff?r1=text&tr1=1.37&r2=text&tr2=1.36&f=h
xfsprogs/include/xfs_dinode.h - 1.19 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-cmds/xfsprogs/include/xfs_dinode.h.diff?r1=text&tr1=1.19&r2=text&tr2=1.18&f=h
xfsprogs/repair/dinode.c - 1.21 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-cmds/xfsprogs/repair/dinode.c.diff?r1=text&tr1=1.21&r2=text&tr2=1.20&f=h
xfsprogs/io/open.c - 1.21 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-cmds/xfsprogs/io/open.c.diff?r1=text&tr1=1.21&r2=text&tr2=1.20&f=h
xfsprogs/man/man3/xfsctl.3 - 1.7 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-cmds/xfsprogs/man/man3/xfsctl.3.diff?r1=text&tr1=1.7&r2=text&tr2=1.6&f=h
xfsprogs/io/attr.c - 1.5 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-cmds/xfsprogs/io/attr.c.diff?r1=text&tr1=1.5&r2=text&tr2=1.4&f=h