PARTIAL TAKE 945264 - di_extsize

[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 16:13:30 AEDT 2005
Workarea:  chook.melbourne.sgi.com:/build/nathans/xfs-linux
Inspected by:  overby@xxxxxxx

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


Modid:  xfs-linux-melb:xfs-kern:24367a
xfsidbg.c - 1.288 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfsidbg.c.diff?r1=text&tr1=1.288&r2=text&tr2=1.287&f=h
xfs_vnodeops.c - 1.657 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_vnodeops.c.diff?r1=text&tr1=1.657&r2=text&tr2=1.656&f=h
xfs_fs.h - 1.28 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_fs.h.diff?r1=text&tr1=1.28&r2=text&tr2=1.27&f=h
xfs_inode.c - 1.422 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_inode.c.diff?r1=text&tr1=1.422&r2=text&tr2=1.421&f=h
xfs_bmap.h - 1.92 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_bmap.h.diff?r1=text&tr1=1.92&r2=text&tr2=1.91&f=h
xfs_bmap.c - 1.336 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_bmap.c.diff?r1=text&tr1=1.336&r2=text&tr2=1.335&f=h
xfs_dinode.h - 1.77 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_dinode.h.diff?r1=text&tr1=1.77&r2=text&tr2=1.76&f=h
xfs_iomap.c - 1.41 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_iomap.c.diff?r1=text&tr1=1.41&r2=text&tr2=1.40&f=h