diff options
Diffstat (limited to 'include/linux/blk-mq.h')
| -rw-r--r-- | include/linux/blk-mq.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 5e7d43ab61c0..daf17d70aeca 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -59,6 +59,9 @@ struct blk_mq_hw_ctx { struct blk_mq_cpu_notifier cpu_notifier; struct kobject kobj; + + unsigned long poll_invoked; + unsigned long poll_success; }; struct blk_mq_tag_set { @@ -97,6 +100,8 @@ typedef void (exit_request_fn)(void *, struct request *, unsigned int, 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); + struct blk_mq_ops { /* @@ -114,6 +119,11 @@ struct blk_mq_ops { */ timeout_fn *timeout; + /* + * Called to poll for completion of a specific tag. + */ + poll_fn *poll; + softirq_done_fn *complete; /* @@ -166,7 +176,6 @@ enum { 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 *); |