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-rw-r--r--include/linux/blk-mq.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 7aec86127335..2056a99b92f8 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -13,7 +13,7 @@ struct blk_mq_cpu_notifier {
};
struct blk_mq_ctxmap {
- unsigned int map_size;
+ unsigned int size;
unsigned int bits_per_word;
struct blk_align_bitmap *map;
};
@@ -164,6 +164,8 @@ enum {
<< BLK_MQ_F_ALLOC_POLICY_START_BIT)
struct request_queue *blk_mq_init_queue(struct blk_mq_tag_set *);
+struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
+ struct request_queue *q);
void blk_mq_finish_init(struct request_queue *q);
int blk_mq_register_disk(struct gendisk *);
void blk_mq_unregister_disk(struct gendisk *);
@@ -218,6 +220,7 @@ void blk_mq_start_hw_queue(struct blk_mq_hw_ctx *hctx);
void blk_mq_stop_hw_queues(struct request_queue *q);
void blk_mq_start_hw_queues(struct request_queue *q);
void blk_mq_start_stopped_hw_queues(struct request_queue *q, bool async);
+void blk_mq_run_hw_queues(struct request_queue *q, bool async);
void blk_mq_delay_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs);
void blk_mq_tag_busy_iter(struct blk_mq_hw_ctx *hctx, busy_iter_fn *fn,
void *priv);
@@ -227,7 +230,7 @@ void blk_mq_freeze_queue_start(struct request_queue *q);
/*
* Driver command data is immediately after the request. So subtract request
- * size to get back to the original request.
+ * size to get back to the original request, add request size to get the PDU.
*/
static inline struct request *blk_mq_rq_from_pdu(void *pdu)
{
@@ -235,7 +238,7 @@ static inline struct request *blk_mq_rq_from_pdu(void *pdu)
}
static inline void *blk_mq_rq_to_pdu(struct request *rq)
{
- return (void *) rq + sizeof(*rq);
+ return rq + 1;
}
#define queue_for_each_hw_ctx(q, hctx, i) \
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