summaryrefslogtreecommitdiffstats
path: root/include/linux/blk-mq.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/blk-mq.h')
-rw-r--r--include/linux/blk-mq.h12
1 files changed, 4 insertions, 8 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 5daa0ef756dd2..ef6aebf291ed1 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -62,6 +62,7 @@ struct blk_mq_hw_ctx {
};
struct blk_mq_tag_set {
+ unsigned int *mq_map;
struct blk_mq_ops *ops;
unsigned int nr_hw_queues;
unsigned int queue_depth; /* max hw supported */
@@ -85,7 +86,6 @@ struct blk_mq_queue_data {
};
typedef int (queue_rq_fn)(struct blk_mq_hw_ctx *, const struct blk_mq_queue_data *);
-typedef struct blk_mq_hw_ctx *(map_queue_fn)(struct request_queue *, const int);
typedef enum blk_eh_timer_return (timeout_fn)(struct request *, bool);
typedef int (init_hctx_fn)(struct blk_mq_hw_ctx *, void *, unsigned int);
typedef void (exit_hctx_fn)(struct blk_mq_hw_ctx *, unsigned int);
@@ -99,6 +99,7 @@ typedef void (busy_iter_fn)(struct blk_mq_hw_ctx *, struct request *, void *,
bool);
typedef void (busy_tag_iter_fn)(struct request *, void *, bool);
typedef int (poll_fn)(struct blk_mq_hw_ctx *, unsigned int);
+typedef int (map_queues_fn)(struct blk_mq_tag_set *set);
struct blk_mq_ops {
@@ -108,11 +109,6 @@ struct blk_mq_ops {
queue_rq_fn *queue_rq;
/*
- * Map to specific hardware queue
- */
- map_queue_fn *map_queue;
-
- /*
* Called on request timeout
*/
timeout_fn *timeout;
@@ -144,6 +140,8 @@ struct blk_mq_ops {
init_request_fn *init_request;
exit_request_fn *exit_request;
reinit_request_fn *reinit_request;
+
+ map_queues_fn *map_queues;
};
enum {
@@ -199,7 +197,6 @@ struct request *blk_mq_alloc_request(struct request_queue *q, int rw,
struct request *blk_mq_alloc_request_hctx(struct request_queue *q, int op,
unsigned int flags, unsigned int hctx_idx);
struct request *blk_mq_tag_to_rq(struct blk_mq_tags *tags, unsigned int tag);
-struct cpumask *blk_mq_tags_cpumask(struct blk_mq_tags *tags);
enum {
BLK_MQ_UNIQUE_TAG_BITS = 16,
@@ -218,7 +215,6 @@ static inline u16 blk_mq_unique_tag_to_tag(u32 unique_tag)
return unique_tag & BLK_MQ_UNIQUE_TAG_MASK;
}
-struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *, const int ctx_index);
int blk_mq_request_started(struct request *rq);
void blk_mq_start_request(struct request *rq);