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

/Linux-v6.6/drivers/block/null_blk/
Dmain.c246 static void null_del_dev(struct nullb *nullb);
248 static struct nullb *null_find_dev_by_name(const char *name);
353 if (!dev->nullb) in nullb_update_nr_hw_queues()
378 set = dev->nullb->tag_set; in nullb_update_nr_hw_queues()
462 null_del_dev(dev->nullb); in nullb_device_power_store()
643 null_del_dev(dev->nullb); in nullb_group_drop_item()
689 static inline int null_cache_active(struct nullb *nullb) in null_cache_active() argument
691 return test_bit(NULLB_DEV_FL_CACHE, &nullb->dev->flags); in null_cache_active()
896 static void null_free_sector(struct nullb *nullb, sector_t sector, in null_free_sector() argument
904 root = is_cache ? &nullb->dev->cache : &nullb->dev->data; in null_free_sector()
[all …]
Dnull_blk.h71 struct nullb *nullb; member
125 struct nullb { struct
151 int null_register_zoned_dev(struct nullb *nullb); argument
157 size_t null_zone_valid_read_len(struct nullb *nullb,
168 static inline int null_register_zoned_dev(struct nullb *nullb) in null_register_zoned_dev() argument
178 static inline size_t null_zone_valid_read_len(struct nullb *nullb, in null_zone_valid_read_len() argument
Dtrace.h9 #define TRACE_SYSTEM nullb
57 TP_PROTO(struct nullb *nullb, unsigned int nr_zones),
58 TP_ARGS(nullb, nr_zones),
65 __assign_disk_name(__entry->disk, nullb->disk);
Dzoned.c157 int null_register_zoned_dev(struct nullb *nullb) in null_register_zoned_dev() argument
159 struct nullb_device *dev = nullb->dev; in null_register_zoned_dev()
160 struct request_queue *q = nullb->q; in null_register_zoned_dev()
162 disk_set_zoned(nullb->disk, BLK_ZONED_HM); in null_register_zoned_dev()
166 nullb->disk->nr_zones = bdev_nr_zones(nullb->disk->part0); in null_register_zoned_dev()
168 disk_set_max_open_zones(nullb->disk, dev->zone_max_open); in null_register_zoned_dev()
169 disk_set_max_active_zones(nullb->disk, dev->zone_max_active); in null_register_zoned_dev()
172 return blk_revalidate_disk_zones(nullb->disk, NULL); in null_register_zoned_dev()
186 struct nullb *nullb = disk->private_data; in null_report_zones() local
187 struct nullb_device *dev = nullb->dev; in null_report_zones()
[all …]
/Linux-v6.6/Documentation/block/
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-v6.6/Documentation/fault-injection/
Dfault-injection.rst58 /sys/kernel/config/nullb/<disk>/timeout_inject,
60 /sys/kernel/config/nullb/<disk>/requeue_inject, and
62 /sys/kernel/config/nullb/<disk>/init_hctx_fault_inject.