35 int dasd_gendisk_alloc(struct dasd_block *block)  in dasd_gendisk_alloc()  argument
51 	base = block->base;  in dasd_gendisk_alloc()
55 	block->tag_set.ops = &dasd_mq_ops;  in dasd_gendisk_alloc()
56 	block->tag_set.cmd_size = sizeof(struct dasd_ccw_req);  in dasd_gendisk_alloc()
57 	block->tag_set.nr_hw_queues = nr_hw_queues;  in dasd_gendisk_alloc()
58 	block->tag_set.queue_depth = queue_depth;  in dasd_gendisk_alloc()
59 	block->tag_set.flags = BLK_MQ_F_SHOULD_MERGE;  in dasd_gendisk_alloc()
60 	block->tag_set.numa_node = NUMA_NO_NODE;  in dasd_gendisk_alloc()
61 	rc = blk_mq_alloc_tag_set(&block->tag_set);  in dasd_gendisk_alloc()
65 	gdp = blk_mq_alloc_disk(&block->tag_set, &lim, block);  in dasd_gendisk_alloc()
67 		blk_mq_free_tag_set(&block->tag_set);  in dasd_gendisk_alloc()
103 	block->gdp = gdp;  in dasd_gendisk_alloc()
104 	set_capacity(block->gdp, 0);  in dasd_gendisk_alloc()
106 	rc = device_add_disk(&base->cdev->dev, block->gdp, NULL);  in dasd_gendisk_alloc()
108 		dasd_gendisk_free(block);  in dasd_gendisk_alloc()
118 void dasd_gendisk_free(struct dasd_block *block)  in dasd_gendisk_free()  argument
120 	if (block->gdp) {  in dasd_gendisk_free()
121 		del_gendisk(block->gdp);  in dasd_gendisk_free()
122 		block->gdp->private_data = NULL;  in dasd_gendisk_free()
123 		put_disk(block->gdp);  in dasd_gendisk_free()
124 		block->gdp = NULL;  in dasd_gendisk_free()
125 		blk_mq_free_tag_set(&block->tag_set);  in dasd_gendisk_free()
132 int dasd_scan_partitions(struct dasd_block *block)  in dasd_scan_partitions()  argument
137 	bdev_file = bdev_file_open_by_dev(disk_devt(block->gdp), BLK_OPEN_READ,  in dasd_scan_partitions()
140 		DBF_DEV_EVENT(DBF_ERR, block->base,  in dasd_scan_partitions()
146 	mutex_lock(&block->gdp->open_mutex);  in dasd_scan_partitions()
147 	rc = bdev_disk_changed(block->gdp, false);  in dasd_scan_partitions()
148 	mutex_unlock(&block->gdp->open_mutex);  in dasd_scan_partitions()
150 		DBF_DEV_EVENT(DBF_ERR, block->base,  in dasd_scan_partitions()
160 	 * to block->bdev_file is done AFTER the BLKRRPART ioctl.  in dasd_scan_partitions()
162 	block->bdev_file = bdev_file;  in dasd_scan_partitions()
170 void dasd_destroy_partitions(struct dasd_block *block)  in dasd_destroy_partitions()  argument
178 	bdev_file = block->bdev_file;  in dasd_destroy_partitions()
179 	block->bdev_file = NULL;  in dasd_destroy_partitions()