d_path: Make proc_get_link() use a struct path argument
[pandora-kernel.git] / block / as-iosched.c
index b201d16..8c39467 100644 (file)
@@ -170,11 +170,11 @@ static void free_as_io_context(struct as_io_context *aic)
 
 static void as_trim(struct io_context *ioc)
 {
-       spin_lock(&ioc->lock);
+       spin_lock_irq(&ioc->lock);
        if (ioc->aic)
                free_as_io_context(ioc->aic);
        ioc->aic = NULL;
-       spin_unlock(&ioc->lock);
+       spin_unlock_irq(&ioc->lock);
 }
 
 /* Called when the task exits */
@@ -235,10 +235,12 @@ static void as_put_io_context(struct request *rq)
        aic = RQ_IOC(rq)->aic;
 
        if (rq_is_sync(rq) && aic) {
-               spin_lock(&aic->lock);
+               unsigned long flags;
+
+               spin_lock_irqsave(&aic->lock, flags);
                set_bit(AS_TASK_IORUNNING, &aic->state);
                aic->last_end_request = jiffies;
-               spin_unlock(&aic->lock);
+               spin_unlock_irqrestore(&aic->lock, flags);
        }
 
        put_io_context(RQ_IOC(rq));
@@ -1266,18 +1268,8 @@ static void as_merged_requests(struct request_queue *q, struct request *req,
         */
        if (!list_empty(&req->queuelist) && !list_empty(&next->queuelist)) {
                if (time_before(rq_fifo_time(next), rq_fifo_time(req))) {
-                       struct io_context *rioc = RQ_IOC(req);
-                       struct io_context *nioc = RQ_IOC(next);
-
                        list_move(&req->queuelist, &next->queuelist);
                        rq_set_fifo_time(req, rq_fifo_time(next));
-                       /*
-                        * Don't copy here but swap, because when anext is
-                        * removed below, it must contain the unused context
-                        */
-                       double_spin_lock(&rioc->lock, &nioc->lock, rioc < nioc);
-                       swap_io_context(&rioc, &nioc);
-                       double_spin_unlock(&rioc->lock, &nioc->lock, rioc < nioc);
                }
        }