From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 27505 invoked by alias); 28 Aug 2007 14:58:49 -0000 Received: (qmail 27385 invoked by uid 9572); 28 Aug 2007 14:58:48 -0000 Date: Tue, 28 Aug 2007 14:58:00 -0000 Message-ID: <20070828145848.27384.qmail@sourceware.org> From: wcheng@sourceware.org To: cluster-cvs@sources.redhat.com Subject: cluster/gfs-kernel/src/gfs diaper.c gfs.h inco ... Mailing-List: contact cluster-cvs-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: cluster-cvs-owner@sourceware.org X-SW-Source: 2007-q3/txt/msg00312.txt.bz2 CVSROOT: /cvs/cluster Module name: cluster Branch: RHEL4 Changes by: wcheng@sourceware.org 2007-08-28 14:58:48 Modified files: gfs-kernel/src/gfs: diaper.c gfs.h incore.h ioctl.c ops_file.c super.h Log message: Bugzilla 230803: Allow GFS to take advantage of VFS's "bd_inode_backing_dev_info" setting that overrides diaper device's generic readahead value. Various benchmarks show we can achieve 2x more performance with large sequential write. Option is controlled by a new GFS tunable (seq_readahead). Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/diaper.c.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.1.2.3&r2=1.1.2.4 http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/gfs.h.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/incore.h.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.17.2.9&r2=1.17.2.10 http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/ioctl.c.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.7.2.7&r2=1.7.2.8 http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/ops_file.c.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.16.2.15&r2=1.16.2.16 http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/super.h.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.2.2.1&r2=1.2.2.2