#include <linux/hash.h>
#include <linux/uaccess.h>
#include <linux/pm_runtime.h>
+#include <linux/blk-cgroup.h>
#include <trace/events/block.h>
#include "blk.h"
-#include "blk-cgroup.h"
static DEFINE_SPINLOCK(elv_list_lock);
static LIST_HEAD(elv_list);
* noxmerges: Only simple one-hit cache try
* merges: All merge tries attempted
*/
- if (blk_queue_nomerges(q))
+ if (blk_queue_nomerges(q) || !bio_mergeable(bio))
return ELEVATOR_NO_MERGE;
/*
}
kobject_uevent(&e->kobj, KOBJ_ADD);
e->registered = 1;
+ if (e->type->ops.elevator_registered_fn)
+ e->type->ops.elevator_registered_fn(q);
}
return error;
}