Messages in this thread Patch in this message | | | Date | Fri, 15 Nov 2013 12:34:44 +0800 | From | Jeff Liu <> | Subject | [PATCH 5/6] jfs: simplify lmNextPage() via list_last_entry_or_null() |
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From: Jie Liu <jeff.liu@oracle.com>
Simplify the code in lmNextPage via list_last_entry_or_null().
Signed-off-by: Jie Liu <jeff.liu@oracle.com> --- 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
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