From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765669AbYDQJho (ORCPT ); Thu, 17 Apr 2008 05:37:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932618AbYDQJZc (ORCPT ); Thu, 17 Apr 2008 05:25:32 -0400 Received: from mx1.redhat.com ([66.187.233.31]:46151 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933480AbYDQJZ1 (ORCPT ); Thu, 17 Apr 2008 05:25:27 -0400 From: swhiteho@redhat.com To: linux-kernel@vger.kernel.org, cluster-devel@redhat.com Cc: Bob Peterson , Steven Whitehouse Subject: [PATCH 07/48] [GFS2] Only wake the reclaim daemon if we need to Date: Thu, 17 Apr 2008 09:38:43 +0100 Message-Id: <12084215833555-git-send-email-swhiteho@redhat.com> X-Mailer: git-send-email 1.5.1.2 In-Reply-To: <12084215802470-git-send-email-swhiteho@redhat.com> References: 12084214272083-git-send-email-swhiteho@redhat.com <12084215642582-git-send-email-swhiteho@redhat.com> <1208421571478-git-send-email-swhiteho@redhat.com> <12084215742081-git-send-email-swhiteho@redhat.com> <12084215763647-git-send-email-swhiteho@redhat.com> <12084215781246-git-send-email-swhiteho@redhat.com> <12084215802470-git-send-email-swhiteho@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Bob Peterson This patch only wakes up the glock reclaim daemon if there is actually something to be reclaimed. Signed-off-by: Bob Peterson Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 7175a4d..5752dec 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -1594,10 +1594,10 @@ void gfs2_glock_schedule_for_reclaim(struct gfs2_glock *gl) gfs2_glock_hold(gl); list_add(&gl->gl_reclaim, &sdp->sd_reclaim_list); atomic_inc(&sdp->sd_reclaim_count); - } - spin_unlock(&sdp->sd_reclaim_lock); - - wake_up(&sdp->sd_reclaim_wq); + spin_unlock(&sdp->sd_reclaim_lock); + wake_up(&sdp->sd_reclaim_wq); + } else + spin_unlock(&sdp->sd_reclaim_lock); } /** -- 1.5.1.2