cluster/gfs-kernel/src/gfs daemon.c gfs_ondisk ...

[wcheng@sourceware.org]

CVSROOT:	/cvs/cluster
Module name:	cluster
Changes by:	wcheng@sourceware.org	2007-06-19 21:26:12

Modified files:
	gfs-kernel/src/gfs: daemon.c gfs_ondisk.h incore.h ioctl.c 
	                    ops_fstype.c ops_super.c rgrp.c rgrp.h 
	                    super.c super.h 

Log message:
	Bugzilla 231904:
	
	Port RHEL4 fast statfs (for commands such as "df") implementation over.
	The "lvb" enhancement will be followed around RHEL 5.2 time frame.
	Ballpark performance numbers:
	
	dhcp145 (1 cpu HP): old df took 0.875 seconds, new df 0.008 second
	dhcp146 (4 cpus DELL): old df took 0.808 seconds, new df 0.006 second.
	
	Activated via "gfs_tool settune <mount point> statfs_fast 1" command.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/daemon.c.diff?cvsroot=cluster&r1=1.8&r2=1.9
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/gfs_ondisk.h.diff?cvsroot=cluster&r1=1.10&r2=1.11
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/incore.h.diff?cvsroot=cluster&r1=1.32&r2=1.33
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/ioctl.c.diff?cvsroot=cluster&r1=1.16&r2=1.17
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/ops_fstype.c.diff?cvsroot=cluster&r1=1.31&r2=1.32
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/ops_super.c.diff?cvsroot=cluster&r1=1.27&r2=1.28
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/rgrp.c.diff?cvsroot=cluster&r1=1.20&r2=1.21
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/rgrp.h.diff?cvsroot=cluster&r1=1.4&r2=1.5
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/super.c.diff?cvsroot=cluster&r1=1.23&r2=1.24
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/super.h.diff?cvsroot=cluster&r1=1.4&r2=1.5