Message ID | 5285A483.3040009@oracle.com |
---|---|
State | Not Applicable |
Headers | show |
Hi Dave and all, Please ignore this patch from this series. On 11/15 2013 12:35 PM, Jeff Liu wrote: > From: Jie Liu <jeff.liu@oracle.com> > > Simplify the code in lmLogSync() via list_last_entry_or_null(). > > Signed-off-by: Jie Liu <jeff.liu@oracle.com> > --- > 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); Here it could be simplified via list_first_entry_or_null(), my apology for this mistake. > + log->sync = lp ? lp->lsn : log->lsn; > LOGSYNC_UNLOCK(log, flags); > > } > Thanks, -Jeff
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); }