From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3555 invoked by alias); 5 Dec 2006 17:49:11 -0000 Received: (qmail 3518 invoked by uid 9478); 5 Dec 2006 17:49:08 -0000 Date: Tue, 05 Dec 2006 17:49:00 -0000 Message-ID: <20061205174908.3517.qmail@sourceware.org> From: jbrassow@sourceware.org To: cluster-cvs@sources.redhat.com Subject: cluster/cmirror-kernel/src dm-cmirror-client.c 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: 2006-q4/txt/msg00655.txt.bz2 CVSROOT: /cvs/cluster Module name: cluster Branch: RHEL4 Changes by: jbrassow@sourceware.org 2006-12-05 17:49:08 Modified files: cmirror-kernel/src: dm-cmirror-client.c Log message: Just a comment update, so I don't forget why I'm checking for duplicate mark region requests. < /* ATTENTION -- this check should not be necessary. ** < ** Why are regions being marked again before a clear? */ --- > /* > * In the mirroring code, it is possible for a write > * to complete and call rh_dec - putting the region on > * the clear_region list. However, before the actual > * clear request is issued to the log (rh_update_states) > * another mark happens. So, we check for and remove > * duplicates. > */ Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/cmirror-kernel/src/dm-cmirror-client.c.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.1.2.31&r2=1.1.2.32