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From: wcheng@sourceware.org
To: cluster-cvs@sources.redhat.com
Subject: cluster/gfs-kernel/src/gfs daemon.c gfs_ondisk ...
Date: Tue, 13 Mar 2007 21:21:00 -0000 [thread overview]
Message-ID: <20070313212121.3943.qmail@sourceware.org> (raw)
CVSROOT: /cvs/cluster
Module name: cluster
Branch: RHEL4
Changes by: wcheng@sourceware.org 2007-03-13 21:21:21
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 220622: backport GFS2 statfs() implementation to GFS1.
There are few compromises made while porting GFS2 approach over, mostly
to avoid on-disk structure changes. GFS2 allocates (number-of-nodes + 1)
physical files into disk during mkfs time but GFS1 only has one extra
space (the unused license file) for this purpose. We deviate from GFS2
by writing the local per-node changes into a memory buffer.
Doing a "df" on a quiet filesystem now results:
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.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/daemon.c.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.5&r2=1.5.2.1
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/gfs_ondisk.h.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.7.2.1&r2=1.7.2.2
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/incore.h.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.17.2.8&r2=1.17.2.9
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/ioctl.c.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.7.2.6&r2=1.7.2.7
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/ops_fstype.c.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.13.2.3&r2=1.13.2.4
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/ops_super.c.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.12.2.5&r2=1.12.2.6
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/rgrp.c.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.14.2.3&r2=1.14.2.4
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/rgrp.h.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.3&r2=1.3.2.1
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/super.c.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.12.2.7&r2=1.12.2.8
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/super.h.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.2&r2=1.2.2.1
next reply other threads:[~2007-03-13 21:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-13 21:21 wcheng [this message]
2007-06-19 14:47 wcheng
2007-06-19 21:26 wcheng
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