diff options
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 4bcbb1ae2d66..d815238f61ed 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -251,8 +251,6 @@ static inline unsigned short req_get_ioprio(struct request *req) return req->ioprio; } -#include <linux/elevator.h> - struct bio_vec; enum blk_eh_timer_return { @@ -1124,6 +1122,15 @@ extern void blk_queue_dma_alignment(struct request_queue *, int); extern void blk_queue_update_dma_alignment(struct request_queue *, int); extern void blk_queue_rq_timeout(struct request_queue *, unsigned int); extern void blk_queue_write_cache(struct request_queue *q, bool enabled, bool fua); + +/* + * Elevator features for blk_queue_required_elevator_features: + */ +/* Supports zoned block devices sequential write constraint */ +#define ELEVATOR_F_ZBD_SEQ_WRITE (1U << 0) +/* Supports scheduling on multiple hardware queues */ +#define ELEVATOR_F_MQ_AWARE (1U << 1) + extern void blk_queue_required_elevator_features(struct request_queue *q, unsigned int features); extern bool blk_queue_can_use_dma_map_merging(struct request_queue *q, |