TAKE - Implement the "/proc/sys/fs/xfs_stats" printout.

[Ted Kline <jtk@xxxxxxx>]

XFS stats have been in the system for a long time; now they
can be printed by:

        cat /proc/sys/fs/xfs_stats



Date:  Wed May 31 08:34:53 PDT 2000
Workarea:  tiki.cray.com:/data/clink/io/jtk/work-linux2.3-99

The following file(s) were checked into:
  bonnie.engr.sgi.com:/isms/slinx/2.3.99pre2-xfs


Modid:  2.3.99pre2-xfs:slinx:63085a
cmd/xfs/sim/src/vnode.c - 1.55
http://oss.sgi.com/cgi-bin/cvsweb.cgi/linux-2.4-xfs/cmd/xfs/sim/src/vnode.c.diff?r1=text&tr1=1.55&r2=text&tr2=1.54&f=h
        - Remove extraneous XFSSTATS & VOPINFO stats.

linux/fs/xfs/xfs_vfsops.c - 1.272
http://oss.sgi.com/cgi-bin/cvsweb.cgi/linux-2.4-xfs/linux/fs/xfs/xfs_vfsops.c.diff?r1=text&tr1=1.272&r2=text&tr2=1.271&f=h
        - Inintialize & cleanup the 'xfs_stats' /proc interface.

linux/fs/xfs/xfs_inode.c - 1.291
http://oss.sgi.com/cgi-bin/cvsweb.cgi/linux-2.4-xfs/linux/fs/xfs/xfs_inode.c.diff?r1=text&tr1=1.291&r2=text&tr2=1.290&f=h
        - Additional XFSSTATS.

linux/fs/xfs/pseudo-inc/sys/ksa.h - 1.8
http://oss.sgi.com/cgi-bin/cvsweb.cgi/linux-2.4-xfs/linux/fs/xfs/pseudo-inc/sys/ksa.h.diff?r1=text&tr1=1.8&r2=text&tr2=1.7&f=h
        - Use bigger stats containers.  Drop old & unused entries.

linux/fs/xfs/linux/xfs_random.c - 1.41
http://oss.sgi.com/cgi-bin/cvsweb.cgi/linux-2.4-xfs/linux/fs/xfs/linux/xfs_random.c.diff?r1=text&tr1=1.41&r2=text&tr2=1.40&f=h
        - Implement the 'xfs_stats' print interface via /proc/sys/fs/xfs_stats.

linux/fs/xfs/linux/xfs_file.c - 1.31
http://oss.sgi.com/cgi-bin/cvsweb.cgi/linux-2.4-xfs/linux/fs/xfs/linux/xfs_file.c.diff?r1=text&tr1=1.31&r2=text&tr2=1.30&f=h
        - Add XFSSTATS to read/write.

linux/fs/xfs/linux/xfs_vnode.c - 1.26
http://oss.sgi.com/cgi-bin/cvsweb.cgi/linux-2.4-xfs/linux/fs/xfs/linux/xfs_vnode.c.diff?r1=text&tr1=1.26&r2=text&tr2=1.25&f=h
        - Add VOPINFO stats for vn_active, vn_alloc, vn_free, vn_get,
          vn_remove.