17 bl_free_device(struct pnfs_block_dev *dev)  in bl_free_device()  argument
19 	if (dev->nr_children) {  in bl_free_device()
22 		for (i = 0; i < dev->nr_children; i++)  in bl_free_device()
23 			bl_free_device(&dev->children[i]);  in bl_free_device()
24 		kfree(dev->children);  in bl_free_device()
26 		if (dev->pr_registered) {  in bl_free_device()
28 				dev->bdev->bd_disk->fops->pr_ops;  in bl_free_device()
31 			error = ops->pr_register(dev->bdev, dev->pr_key, 0,  in bl_free_device()
37 		if (dev->bdev)  in bl_free_device()
38 			blkdev_put(dev->bdev, FMODE_READ | FMODE_WRITE);  in bl_free_device()
45 	struct pnfs_block_dev *dev =  in bl_free_deviceid_node()  local
48 	bl_free_device(dev);  in bl_free_deviceid_node()
49 	kfree_rcu(dev, node.rcu);  in bl_free_deviceid_node()
166 static bool bl_map_simple(struct pnfs_block_dev *dev, u64 offset,  in bl_map_simple()  argument
169 	map->start = dev->start;  in bl_map_simple()
170 	map->len = dev->len;  in bl_map_simple()
171 	map->disk_offset = dev->disk_offset;  in bl_map_simple()
172 	map->bdev = dev->bdev;  in bl_map_simple()
176 static bool bl_map_concat(struct pnfs_block_dev *dev, u64 offset,  in bl_map_concat()  argument
181 	for (i = 0; i < dev->nr_children; i++) {  in bl_map_concat()
182 		struct pnfs_block_dev *child = &dev->children[i];  in bl_map_concat()
196 static bool bl_map_stripe(struct pnfs_block_dev *dev, u64 offset,  in bl_map_stripe()  argument
204 	chunk = div_u64(offset, dev->chunk_size);  in bl_map_stripe()
205 	div_u64_rem(chunk, dev->nr_children, &chunk_idx);  in bl_map_stripe()
207 	if (chunk_idx >= dev->nr_children) {  in bl_map_stripe()
209 			__func__, chunk_idx, offset, dev->chunk_size);  in bl_map_stripe()
215 	offset = chunk * dev->chunk_size;  in bl_map_stripe()
218 	disk_offset = div_u64(offset, dev->nr_children);  in bl_map_stripe()
220 	child = &dev->children[chunk_idx];  in bl_map_stripe()
225 	map->len = dev->chunk_size;  in bl_map_stripe()
240 	dev_t dev;  in bl_parse_simple()  local
242 	dev = bl_resolve_deviceid(server, v, gfp_mask);  in bl_parse_simple()
243 	if (!dev)  in bl_parse_simple()
246 	bdev = blkdev_get_by_dev(dev, FMODE_READ | FMODE_WRITE, NULL);  in bl_parse_simple()
249 			MAJOR(dev), MINOR(dev), PTR_ERR(bdev));  in bl_parse_simple()