/*
* can we safely merge with this request?
*/
-inline int elv_rq_merge_ok(struct request *rq, struct bio *bio)
+int elv_rq_merge_ok(struct request *rq, struct bio *bio)
{
if (!rq_mergeable(rq))
return 0;
}
}
+ if (blk_queue_nomerges(q))
+ return ELEVATOR_NO_MERGE;
+
/*
* See if our hash lookup can find a potential backmerge.
*/
default:
printk(KERN_ERR "%s: bad insertion point %d\n",
- __FUNCTION__, where);
+ __func__, where);
BUG();
}
rq->cmd_flags |= REQ_QUIET;
end_queued_request(rq, 0);
} else {
- printk(KERN_ERR "%s: bad return=%d\n", __FUNCTION__,
- ret);
+ printk(KERN_ERR "%s: bad return=%d\n", __func__, ret);
break;
}
}
queue_flag_clear(QUEUE_FLAG_ELVSWITCH, q);
spin_unlock_irq(q->queue_lock);
+ blk_add_trace_msg(q, "elv switch: %s", e->elevator_type->elevator_name);
+
return 1;
fail_register: