* don't plug a stopped queue, it must be paired with blk_start_queue()
* which will restart the queueing
*/
- if (test_bit(QUEUE_FLAG_STOPPED, &q->queue_flags))
+ if (blk_queue_stopped(q))
return;
if (!test_and_set_bit(QUEUE_FLAG_PLUGGED, &q->queue_flags)) {
*/
void __generic_unplug_device(request_queue_t *q)
{
- if (unlikely(test_bit(QUEUE_FLAG_STOPPED, &q->queue_flags)))
+ if (unlikely(blk_queue_stopped(q)))
return;
if (!blk_remove_plug(q))
/**
* blk_cleanup_queue: - release a &request_queue_t when it is no longer needed
- * @q: the request queue to be released
+ * @kobj: the kobj belonging of the request queue to be released
*
* Description:
* blk_cleanup_queue is the pair to blk_init_queue() or
}
-static struct notifier_block __devinitdata blk_cpu_notifier = {
+static struct notifier_block blk_cpu_notifier = {
.notifier_call = blk_cpu_notify,
};
BUG_ON(atomic_read(&ioc->refcount) == 0);
if (atomic_dec_and_test(&ioc->refcount)) {
+ struct cfq_io_context *cic;
+
rcu_read_lock();
if (ioc->aic && ioc->aic->dtor)
ioc->aic->dtor(ioc->aic);
- if (ioc->cic && ioc->cic->dtor)
- ioc->cic->dtor(ioc->cic);
+ if (ioc->cic_root.rb_node != NULL) {
+ struct rb_node *n = rb_first(&ioc->cic_root);
+
+ cic = rb_entry(n, struct cfq_io_context, rb_node);
+ cic->dtor(ioc);
+ }
rcu_read_unlock();
kmem_cache_free(iocontext_cachep, ioc);
{
unsigned long flags;
struct io_context *ioc;
+ struct cfq_io_context *cic;
local_irq_save(flags);
task_lock(current);
if (ioc->aic && ioc->aic->exit)
ioc->aic->exit(ioc->aic);
- if (ioc->cic && ioc->cic->exit)
- ioc->cic->exit(ioc->cic);
-
+ if (ioc->cic_root.rb_node != NULL) {
+ cic = rb_entry(rb_first(&ioc->cic_root), struct cfq_io_context, rb_node);
+ cic->exit(ioc);
+ }
+
put_io_context(ioc);
}
ret->last_waited = jiffies; /* doesn't matter... */
ret->nr_batch_requests = 0; /* because this is 0 */
ret->aic = NULL;
- ret->cic = NULL;
+ ret->cic_root.rb_node = NULL;
tsk->io_context = ret;
}