diff options
Diffstat (limited to 'drivers/block/null_blk/null_blk.h')
| -rw-r--r-- | drivers/block/null_blk/null_blk.h | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/drivers/block/null_blk/null_blk.h b/drivers/block/null_blk/null_blk.h index 929f659dd2..477b977468 100644 --- a/drivers/block/null_blk/null_blk.h +++ b/drivers/block/null_blk/null_blk.h @@ -16,11 +16,6 @@ #include <linux/mutex.h> struct nullb_cmd { - union { - struct request *rq; - struct bio *bio; - }; - unsigned int tag; blk_status_t error; bool fake_timeout; struct nullb_queue *nq; @@ -28,16 +23,11 @@ struct nullb_cmd { }; struct nullb_queue { - unsigned long *tag_map; - wait_queue_head_t wait; - unsigned int queue_depth; struct nullb_device *dev; unsigned int requeue_selection; struct list_head poll_list; spinlock_t poll_lock; - - struct nullb_cmd *cmds; }; struct nullb_zone { @@ -60,13 +50,6 @@ struct nullb_zone { unsigned int capacity; }; -/* Queue modes */ -enum { - NULL_Q_BIO = 0, - NULL_Q_RQ = 1, - NULL_Q_MQ = 2, -}; - struct nullb_device { struct nullb *nullb; struct config_group group; @@ -119,6 +102,7 @@ struct nullb_device { bool zoned; /* if device is zoned */ bool virt_boundary; /* virtual boundary on/off for the device */ bool no_sched; /* no IO scheduler for the device */ + bool shared_tags; /* share tag set between devices for blk-mq */ bool shared_tag_bitmap; /* use hostwide shared tags */ }; @@ -130,14 +114,12 @@ struct nullb { struct gendisk *disk; struct blk_mq_tag_set *tag_set; struct blk_mq_tag_set __tag_set; - unsigned int queue_depth; atomic_long_t cur_bytes; struct hrtimer bw_timer; unsigned long cache_flush_pos; spinlock_t lock; struct nullb_queue *queues; - unsigned int nr_queues; char disk_name[DISK_NAME_LEN]; }; @@ -147,7 +129,7 @@ blk_status_t null_process_cmd(struct nullb_cmd *cmd, enum req_op op, sector_t sector, unsigned int nr_sectors); #ifdef CONFIG_BLK_DEV_ZONED -int null_init_zoned_dev(struct nullb_device *dev, struct request_queue *q); +int null_init_zoned_dev(struct nullb_device *dev, struct queue_limits *lim); int null_register_zoned_dev(struct nullb *nullb); void null_free_zoned_dev(struct nullb_device *dev); int null_report_zones(struct gendisk *disk, sector_t sector, @@ -160,7 +142,7 @@ ssize_t zone_cond_store(struct nullb_device *dev, const char *page, size_t count, enum blk_zone_cond cond); #else static inline int null_init_zoned_dev(struct nullb_device *dev, - struct request_queue *q) + struct queue_limits *lim) { pr_err("CONFIG_BLK_DEV_ZONED not enabled\n"); return -EINVAL; |