[PATCH 6/6] jfs: simplify lmLogSync() via list_last_entry_or_null()

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From: Jie Liu <jeff.liu@xxxxxxxxxx>

Simplify the code in lmLogSync() via list_last_entry_or_null().

Signed-off-by: Jie Liu <jeff.liu@xxxxxxxxxx>
---
 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

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