TAKE 931456 929956 - add log debugging and tracing info

[FSG QA <fsgqa@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx>]

Add log debugging and tracing info.
Did it on IRIX a while ago and now putting back to Linux.

Date:  Wed Jul 13 11:05:30 AEST 2005
Workarea:  snap.melbourne.sgi.com:/home/fsgqa/qa/xfs-linux
Inspected by:  overby@xxxxxxx (irix changes)

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


Modid:  xfs-linux-melb:xfs-kern:23155a
xfsidbg.c - 1.277 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfsidbg.c.diff?r1=text&tr1=1.277&r2=text&tr2=1.276&f=h
xfs_log.h - 1.73 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_log.h.diff?r1=text&tr1=1.73&r2=text&tr2=1.72&f=h
xfs_log.c - 1.306 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_log.c.diff?r1=text&tr1=1.306&r2=text&tr2=1.305&f=h
xfs_extfree_item.c - 1.60 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_extfree_item.c.diff?r1=text&tr1=1.60&r2=text&tr2=1.59&f=h
xfs_buf_item.c - 1.152 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_buf_item.c.diff?r1=text&tr1=1.152&r2=text&tr2=1.151&f=h
xfs_log_priv.h - 1.106 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_log_priv.h.diff?r1=text&tr1=1.106&r2=text&tr2=1.105&f=h
xfs_inode_item.c - 1.119 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_inode_item.c.diff?r1=text&tr1=1.119&r2=text&tr2=1.118&f=h
xfs_trans.c - 1.163 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_trans.c.diff?r1=text&tr1=1.163&r2=text&tr2=1.162&f=h
xfs_trans.h - 1.130 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_trans.h.diff?r1=text&tr1=1.130&r2=text&tr2=1.129&f=h
quota/xfs_dquot_item.c - 1.6 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/quota/xfs_dquot_item.c.diff?r1=text&tr1=1.6&r2=text&tr2=1.5&f=h