diff options
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 5a7da607ca045..1a7dc42a89184 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -40,6 +40,8 @@ struct blkcg_gq; struct blk_flush_queue; struct pr_ops; struct rq_wb; +struct blk_queue_stats; +struct blk_stat_callback; #define BLKDEV_MIN_RQ 4 #define BLKDEV_MAX_RQ 128 /* Default maximum */ @@ -388,6 +390,7 @@ struct request_queue { int nr_rqs[2]; /* # allocated [a]sync rqs */ int nr_rqs_elvpriv; /* # allocated rqs w/ elvpriv */ + struct blk_queue_stats *stats; struct rq_wb *rq_wb; /* @@ -505,8 +508,6 @@ struct request_queue { unsigned int nr_sorted; unsigned int in_flight[2]; - struct blk_rq_stat rq_stats[2]; - /* * Number of active block driver functions for which blk_drain_queue() * must wait. Must be incremented around functions that unlock the @@ -516,6 +517,10 @@ struct request_queue { unsigned int rq_timeout; int poll_nsec; + + struct blk_stat_callback *poll_cb; + struct blk_rq_stat poll_stat[2]; + struct timer_list timeout; struct work_struct timeout_work; struct list_head timeout_list; @@ -611,6 +616,7 @@ struct request_queue { #define QUEUE_FLAG_DAX 26 /* device supports DAX */ #define QUEUE_FLAG_STATS 27 /* track rq completion times */ #define QUEUE_FLAG_RESTART 28 /* queue needs restart at completion */ +#define QUEUE_FLAG_POLL_STATS 29 /* collecting stats for hybrid polling */ #define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ (1 << QUEUE_FLAG_STACKABLE) | \ |