From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 8D3287F81 for ; Thu, 14 Nov 2013 22:35:56 -0600 (CST) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 5893B8F8052 for ; Thu, 14 Nov 2013 20:35:56 -0800 (PST) Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id ECAWLcI7nDQaSaQ2 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 14 Nov 2013 20:35:55 -0800 (PST) Message-ID: <5285A483.3040009@oracle.com> Date: Fri, 15 Nov 2013 12:35:15 +0800 From: Jeff Liu MIME-Version: 1.0 Subject: [PATCH 6/6] jfs: simplify lmLogSync() via list_last_entry_or_null() List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: linux-kernel@vger.kernel.org Cc: jfs-discussion@lists.sourceforge.net, jiri@resnulli.us, gregkh@linuxfoundation.org, oleg@redhat.com, "xfs@oss.sgi.com" , cluster-devel@redhat.com, linux-mtd@lists.infradead.org, akpm@linux-foundation.org From: Jie Liu Simplify the code in lmLogSync() via list_last_entry_or_null(). Signed-off-by: Jie Liu --- fs/jfs/jfs_logmgr.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c index 7b565d0..2f90779 100644 --- a/fs/jfs/jfs_logmgr.c +++ b/fs/jfs/jfs_logmgr.c @@ -963,13 +963,9 @@ static int lmLogSync(struct jfs_log * log, int hard_sync) if (log->sync == log->syncpt) { LOGSYNC_LOCK(log, flags); - if (list_empty(&log->synclist)) - log->sync = log->lsn; - else { - lp = list_entry(log->synclist.next, - struct logsyncblk, synclist); - log->sync = lp->lsn; - } + lp = list_last_entry_or_null(&log->synclist, struct logsyncblk, + synclist); + log->sync = lp ? lp->lsn : log->lsn; LOGSYNC_UNLOCK(log, flags); } -- 1.8.3.2 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs