From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Liu Date: Fri, 15 Nov 2013 12:34:44 +0800 Subject: [Cluster-devel] [PATCH 5/6] jfs: simplify lmNextPage() via list_last_entry_or_null() Message-ID: <5285A464.1070904@oracle.com> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit From: Jie Liu Simplify the code in lmNextPage via list_last_entry_or_null(). Signed-off-by: Jie Liu --- fs/jfs/jfs_logmgr.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c index 360d27c..7b565d0 100644 --- a/fs/jfs/jfs_logmgr.c +++ b/fs/jfs/jfs_logmgr.c @@ -591,10 +591,7 @@ static int lmNextPage(struct jfs_log * log) * write or queue the full page at the tail of write queue */ /* get the tail tblk on commit queue */ - if (list_empty(&log->cqueue)) - tblk = NULL; - else - tblk = list_entry(log->cqueue.prev, struct tblock, cqueue); + tblk = list_last_entry_or_null(&log->cqueue, struct tblock, cqueue); /* every tblk who has COMMIT record on the current page, * and has not been committed, must be on commit queue -- 1.8.3.2