27 /* returns with ref on ca->ref */
31 	struct bch_dev *ca;  in bch2_device_lookup()  local
37 		ca = bch2_dev_tryget_noerror(c, dev);  in bch2_device_lookup()
38 		if (!ca)  in bch2_device_lookup()
48 		ca = bch2_dev_lookup(c, path);  in bch2_device_lookup()
52 	return ca;  in bch2_device_lookup()
210 	struct bch_dev *ca;  in bch2_ioctl_disk_remove()  local
222 	ca = bch2_device_lookup(c, arg.dev, arg.flags);  in bch2_ioctl_disk_remove()
223 	if (IS_ERR(ca))  in bch2_ioctl_disk_remove()
224 		return PTR_ERR(ca);  in bch2_ioctl_disk_remove()
226 	return bch2_dev_remove(c, ca, arg.flags);  in bch2_ioctl_disk_remove()
252 	struct bch_dev *ca;  in bch2_ioctl_disk_offline()  local
265 	ca = bch2_device_lookup(c, arg.dev, arg.flags);  in bch2_ioctl_disk_offline()
266 	if (IS_ERR(ca))  in bch2_ioctl_disk_offline()
267 		return PTR_ERR(ca);  in bch2_ioctl_disk_offline()
269 	ret = bch2_dev_offline(c, ca, arg.flags);  in bch2_ioctl_disk_offline()
270 	bch2_dev_put(ca);  in bch2_ioctl_disk_offline()
277 	struct bch_dev *ca;  in bch2_ioctl_disk_set_state()  local
291 	ca = bch2_device_lookup(c, arg.dev, arg.flags);  in bch2_ioctl_disk_set_state()
292 	if (IS_ERR(ca))  in bch2_ioctl_disk_set_state()
293 		return PTR_ERR(ca);  in bch2_ioctl_disk_set_state()
295 	ret = bch2_dev_set_state(c, ca, arg.new_state, arg.flags);  in bch2_ioctl_disk_set_state()
299 	bch2_dev_put(ca);  in bch2_ioctl_disk_set_state()
351 		struct bch_dev *ca = bch2_dev_tryget(c, ctx->arg.scrub.dev);  in bch2_data_job_read()  local
352 		if (ca) {  in bch2_data_job_read()
354 			bch2_dev_usage_full_read_fast(ca, &u);  in bch2_data_job_read()
358 			bch2_dev_put(ca);  in bch2_data_job_read()
477 	struct bch_dev *ca;  in bch2_ioctl_dev_usage()  local
492 	ca = bch2_device_lookup(c, arg.dev, arg.flags);  in bch2_ioctl_dev_usage()
493 	if (IS_ERR(ca))  in bch2_ioctl_dev_usage()
494 		return PTR_ERR(ca);  in bch2_ioctl_dev_usage()
496 	src = bch2_dev_usage_full_read(ca);  in bch2_ioctl_dev_usage()
498 	arg.state		= ca->mi.state;  in bch2_ioctl_dev_usage()
499 	arg.bucket_size		= ca->mi.bucket_size;  in bch2_ioctl_dev_usage()
500 	arg.nr_buckets		= ca->mi.nbuckets - ca->mi.first_bucket;  in bch2_ioctl_dev_usage()
508 	bch2_dev_put(ca);  in bch2_ioctl_dev_usage()
518 	struct bch_dev *ca;  in bch2_ioctl_dev_usage_v2()  local
533 	ca = bch2_device_lookup(c, arg.dev, arg.flags);  in bch2_ioctl_dev_usage_v2()
534 	if (IS_ERR(ca))  in bch2_ioctl_dev_usage_v2()
535 		return PTR_ERR(ca);  in bch2_ioctl_dev_usage_v2()
537 	src = bch2_dev_usage_full_read(ca);  in bch2_ioctl_dev_usage_v2()
539 	arg.state		= ca->mi.state;  in bch2_ioctl_dev_usage_v2()
540 	arg.bucket_size		= ca->mi.bucket_size;  in bch2_ioctl_dev_usage_v2()
542 	arg.nr_buckets		= ca->mi.nbuckets - ca->mi.first_bucket;  in bch2_ioctl_dev_usage_v2()
560 	bch2_dev_put(ca);  in bch2_ioctl_dev_usage_v2()
567 	struct bch_dev *ca = NULL;  in bch2_ioctl_read_super()  local
581 		ca = bch2_device_lookup(c, arg.dev, arg.flags);  in bch2_ioctl_read_super()
582 		ret = PTR_ERR_OR_ZERO(ca);  in bch2_ioctl_read_super()
586 		sb = ca->disk_sb.sb;  in bch2_ioctl_read_super()
599 	bch2_dev_put(ca);  in bch2_ioctl_read_super()
616 	for_each_online_member(c, ca)  in bch2_ioctl_disk_get_idx()
617 		if (ca->dev == dev) {  in bch2_ioctl_disk_get_idx()
618 			percpu_ref_put(&ca->io_ref[READ]);  in bch2_ioctl_disk_get_idx()
619 			return ca->dev_idx;  in bch2_ioctl_disk_get_idx()
628 	struct bch_dev *ca;  in bch2_ioctl_disk_resize()  local
638 	ca = bch2_device_lookup(c, arg.dev, arg.flags);  in bch2_ioctl_disk_resize()
639 	if (IS_ERR(ca))  in bch2_ioctl_disk_resize()
640 		return PTR_ERR(ca);  in bch2_ioctl_disk_resize()
642 	ret = bch2_dev_resize(c, ca, arg.nbuckets);  in bch2_ioctl_disk_resize()
644 	bch2_dev_put(ca);  in bch2_ioctl_disk_resize()
651 	struct bch_dev *ca;  in bch2_ioctl_disk_resize_journal()  local
664 	ca = bch2_device_lookup(c, arg.dev, arg.flags);  in bch2_ioctl_disk_resize_journal()
665 	if (IS_ERR(ca))  in bch2_ioctl_disk_resize_journal()
666 		return PTR_ERR(ca);  in bch2_ioctl_disk_resize_journal()
668 	ret = bch2_set_nr_journal_buckets(c, ca, arg.nbuckets);  in bch2_ioctl_disk_resize_journal()
670 	bch2_dev_put(ca);  in bch2_ioctl_disk_resize_journal()