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Searched refs:nullb (Results 1 – 6 of 6) sorted by relevance

/linux/drivers/block/null_blk/
H A Dmain.c275 static void null_del_dev(struct nullb *nullb);
277 static struct nullb *null_find_dev_by_name(const char *name);
382 if (!dev->nullb) in nullb_update_nr_hw_queues()
407 set = dev->nullb->tag_set; in nullb_update_nr_hw_queues()
513 null_del_dev(dev->nullb); in nullb_device_power_store()
712 null_del_dev(dev->nullb); in nullb_group_drop_item()
772 static inline int null_cache_active(struct nullb *nullb) in null_cache_active() argument
774 return test_bit(NULLB_DEV_FL_CACHE, &nullb->dev->flags); in null_cache_active()
900 static void null_free_sector(struct nullb *nullb, sector_t sector, in null_free_sector() argument
908 root = is_cache ? &nullb->dev->cache : &nullb->dev->data; in null_free_sector()
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H A Dnull_blk.h54 struct nullb *nullb; member
115 struct nullb { struct
143 int null_register_zoned_dev(struct nullb *nullb); argument
150 size_t null_zone_valid_read_len(struct nullb *nullb,
161 static inline int null_register_zoned_dev(struct nullb *nullb) in null_register_zoned_dev() argument
171 static inline size_t null_zone_valid_read_len(struct nullb *nullb, in null_zone_valid_read_len() argument
H A Dtrace.h9 #define TRACE_SYSTEM nullb
63 TP_PROTO(struct nullb *nullb, unsigned int nr_zones),
64 TP_ARGS(nullb, nr_zones),
71 __assign_disk_name(__entry->disk, nullb->disk);
H A Dzoned.c175 int null_register_zoned_dev(struct nullb *nullb) in null_register_zoned_dev() argument
177 struct request_queue *q = nullb->q; in null_register_zoned_dev()
178 struct gendisk *disk = nullb->disk; in null_register_zoned_dev()
196 struct nullb *nullb = disk->private_data; in null_report_zones() local
197 struct nullb_device *dev = nullb->dev; in null_report_zones()
208 trace_nullb_report_zones(nullb, nr_zones); in null_report_zones()
240 size_t null_zone_valid_read_len(struct nullb *nullb, in null_zone_valid_read_len() argument
243 struct nullb_device *dev = nullb->dev; in null_zone_valid_read_len()
/linux/Documentation/block/
H A Dnull_blk.rst10 The null block device (``/dev/nullb*``) is used for benchmarking the various
114 0 nullb* use default blk-mq io scheduler
115 1 nullb* doesn't use io scheduler
/linux/Documentation/fault-injection/
H A Dfault-injection.rst84 /sys/kernel/config/nullb/<disk>/timeout_inject,
86 /sys/kernel/config/nullb/<disk>/requeue_inject, and
88 /sys/kernel/config/nullb/<disk>/init_hctx_fault_inject.