KVM: Add kvm_vcpu_get_idx to get vcpu index in kvm->vcpus

[linux-2.6-block.git] / include / linux / blk-mq.h

diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 8e4df3d6c8cd9dbd1ddd96e25e1abae9a4aa4b6f..b296a900611790e25639293fd51b0fa7a9beab41 100644 (file)
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -33,6 +33,7 @@ struct blk_mq_hw_ctx {
        struct blk_mq_ctx       **ctxs;
        unsigned int            nr_ctx;
 
+       wait_queue_t            dispatch_wait;
        atomic_t                wait_index;
 
        struct blk_mq_tags      *tags;
@@ -160,6 +161,7 @@ enum {
        BLK_MQ_S_STOPPED        = 0,
        BLK_MQ_S_TAG_ACTIVE     = 1,
        BLK_MQ_S_SCHED_RESTART  = 2,
+       BLK_MQ_S_TAG_WAITING    = 3,
 
        BLK_MQ_MAX_DEPTH        = 10240,
 
@@ -243,6 +245,9 @@ void blk_mq_tagset_busy_iter(struct blk_mq_tag_set *tagset,
 void blk_mq_freeze_queue(struct request_queue *q);
 void blk_mq_unfreeze_queue(struct request_queue *q);
 void blk_mq_freeze_queue_start(struct request_queue *q);
+void blk_mq_freeze_queue_wait(struct request_queue *q);
+int blk_mq_freeze_queue_wait_timeout(struct request_queue *q,
+                                    unsigned long timeout);
 int blk_mq_reinit_tagset(struct blk_mq_tag_set *set);
 
 int blk_mq_map_queues(struct blk_mq_tag_set *set);