cfq-iosched: do cleanup

Some functions should return boolean.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 9eba291eb6fd23854aee14d8a35b5b1108fc0629..b8174bb4a6a16702bb88cdbd313947aca55fe2a2 100644 (file)
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -637,11 +637,11 @@ cfq_set_prio_slice(struct cfq_data *cfqd, struct cfq_queue *cfqq)
 static inline bool cfq_slice_used(struct cfq_queue *cfqq)
 {
        if (cfq_cfqq_slice_new(cfqq))
-               return 0;
+               return false;
        if (time_before(jiffies, cfqq->slice_end))
-               return 0;
+               return false;
 
-       return 1;
+       return true;
 }
 
 /*
@@ -1892,10 +1892,10 @@ static bool cfq_should_idle(struct cfq_data *cfqd, struct cfq_queue *cfqq)
         * in their service tree.
         */
        if (service_tree->count == 1 && cfq_cfqq_sync(cfqq))
-               return 1;
+               return true;
        cfq_log_cfqq(cfqd, cfqq, "Not idling. st->count:%d",
                        service_tree->count);
-       return 0;
+       return false;
 }
 
 static void cfq_arm_slice_timer(struct cfq_data *cfqd)
@@ -2359,12 +2359,12 @@ static inline bool cfq_slice_used_soon(struct cfq_data *cfqd,
 {
        /* the queue hasn't finished any request, can't estimate */
        if (cfq_cfqq_slice_new(cfqq))
-               return 1;
+               return true;
        if (time_after(jiffies + cfqd->cfq_slice_idle * cfqq->dispatched,
                cfqq->slice_end))
-               return 1;
+               return true;
 
-       return 0;
+       return false;
 }
 
 static bool cfq_may_dispatch(struct cfq_data *cfqd, struct cfq_queue *cfqq)