cfq-iosched: get rid of private SYNC/ASYNC defines

We can just use the block layer BLK_RW_SYNC/ASYNC defines now.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index f36f8b4..cba8a5d 100644 (file)
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -56,9 +56,6 @@ static DEFINE_SPINLOCK(ioc_gone_lock);
 #define cfq_class_idle(cfqq)   ((cfqq)->ioprio_class == IOPRIO_CLASS_IDLE)
 #define cfq_class_rt(cfqq)     ((cfqq)->ioprio_class == IOPRIO_CLASS_RT)
 
-#define ASYNC                  (0)
-#define SYNC                   (1)
-
 #define sample_valid(samples)  ((samples) > 80)
 
 /*
@@ -1333,14 +1330,14 @@ static void __cfq_exit_single_io_context(struct cfq_data *cfqd,
        if (ioc->ioc_data == cic)
                rcu_assign_pointer(ioc->ioc_data, NULL);
 
-       if (cic->cfqq[ASYNC]) {
-               cfq_exit_cfqq(cfqd, cic->cfqq[ASYNC]);
-               cic->cfqq[ASYNC] = NULL;
+       if (cic->cfqq[BLK_RW_ASYNC]) {
+               cfq_exit_cfqq(cfqd, cic->cfqq[BLK_RW_ASYNC]);
+               cic->cfqq[BLK_RW_ASYNC] = NULL;
        }
 
-       if (cic->cfqq[SYNC]) {
-               cfq_exit_cfqq(cfqd, cic->cfqq[SYNC]);
-               cic->cfqq[SYNC] = NULL;
+       if (cic->cfqq[BLK_RW_SYNC]) {
+               cfq_exit_cfqq(cfqd, cic->cfqq[BLK_RW_SYNC]);
+               cic->cfqq[BLK_RW_SYNC] = NULL;
        }
 }
 
@@ -1449,17 +1446,18 @@ static void changed_ioprio(struct io_context *ioc, struct cfq_io_context *cic)
 
        spin_lock_irqsave(cfqd->queue->queue_lock, flags);
 
-       cfqq = cic->cfqq[ASYNC];
+       cfqq = cic->cfqq[BLK_RW_ASYNC];
        if (cfqq) {
                struct cfq_queue *new_cfqq;
-               new_cfqq = cfq_get_queue(cfqd, ASYNC, cic->ioc, GFP_ATOMIC);
+               new_cfqq = cfq_get_queue(cfqd, BLK_RW_ASYNC, cic->ioc,
+                                               GFP_ATOMIC);
                if (new_cfqq) {
-                       cic->cfqq[ASYNC] = new_cfqq;
+                       cic->cfqq[BLK_RW_ASYNC] = new_cfqq;
                        cfq_put_queue(cfqq);
                }
        }
 
-       cfqq = cic->cfqq[SYNC];
+       cfqq = cic->cfqq[BLK_RW_SYNC];
        if (cfqq)
                cfq_mark_cfqq_prio_changed(cfqq);