18 	struct nd_btt *nd_btt = to_nd_btt(dev);  in nd_btt_release()  local
21 	nd_detach_ndns(&nd_btt->dev, &nd_btt->ndns);  in nd_btt_release()
22 	ida_simple_remove(&nd_region->btt_ida, nd_btt->id);  in nd_btt_release()
23 	kfree(nd_btt->uuid);  in nd_btt_release()
24 	kfree(nd_btt);  in nd_btt_release()
27 struct nd_btt *to_nd_btt(struct device *dev)  in to_nd_btt()
29 	struct nd_btt *nd_btt = container_of(dev, struct nd_btt, dev);  in to_nd_btt()  local
32 	return nd_btt;  in to_nd_btt()
42 	struct nd_btt *nd_btt = to_nd_btt(dev);  in sector_size_show()  local
44 	return nd_size_select_show(nd_btt->lbasize, btt_lbasize_supported, buf);  in sector_size_show()
50 	struct nd_btt *nd_btt = to_nd_btt(dev);  in sector_size_store()  local
55 	rc = nd_size_select_store(dev, buf, &nd_btt->lbasize,  in sector_size_store()
69 	struct nd_btt *nd_btt = to_nd_btt(dev);  in uuid_show()  local
71 	if (nd_btt->uuid)  in uuid_show()
72 		return sprintf(buf, "%pUb\n", nd_btt->uuid);  in uuid_show()
79 	struct nd_btt *nd_btt = to_nd_btt(dev);  in uuid_store()  local
83 	rc = nd_uuid_store(dev, &nd_btt->uuid, buf, len);  in uuid_store()
95 	struct nd_btt *nd_btt = to_nd_btt(dev);  in namespace_show()  local
99 	rc = sprintf(buf, "%s\n", nd_btt->ndns  in namespace_show()
100 			? dev_name(&nd_btt->ndns->dev) : "");  in namespace_show()
108 	struct nd_btt *nd_btt = to_nd_btt(dev);  in namespace_store()  local
113 	rc = nd_namespace_store(dev, &nd_btt->ndns, buf, len);  in namespace_store()
126 	struct nd_btt *nd_btt = to_nd_btt(dev);  in size_show()  local
131 		rc = sprintf(buf, "%llu\n", nd_btt->size);  in size_show()
187 	struct nd_btt *nd_btt;  in __nd_btt_create()  local
190 	nd_btt = kzalloc(sizeof(*nd_btt), GFP_KERNEL);  in __nd_btt_create()
191 	if (!nd_btt)  in __nd_btt_create()
194 	nd_btt->id = ida_simple_get(&nd_region->btt_ida, 0, 0, GFP_KERNEL);  in __nd_btt_create()
195 	if (nd_btt->id < 0)  in __nd_btt_create()
198 	nd_btt->lbasize = lbasize;  in __nd_btt_create()
204 	nd_btt->uuid = uuid;  in __nd_btt_create()
205 	dev = &nd_btt->dev;  in __nd_btt_create()
206 	dev_set_name(dev, "btt%d.%d", nd_region->id, nd_btt->id);  in __nd_btt_create()
209 	device_initialize(&nd_btt->dev);  in __nd_btt_create()
210 	lockdep_set_class(&nd_btt->dev.mutex, &nvdimm_btt_key);  in __nd_btt_create()
211 	if (ndns && !__nd_attach_ndns(&nd_btt->dev, ndns, &nd_btt->ndns)) {  in __nd_btt_create()
220 	ida_simple_remove(&nd_region->btt_ida, nd_btt->id);  in __nd_btt_create()
223 	kfree(nd_btt);  in __nd_btt_create()
247 bool nd_btt_arena_is_valid(struct nd_btt *nd_btt, struct btt_sb *super)  in nd_btt_arena_is_valid()  argument
249 	const uuid_t *ns_uuid = nd_dev_to_uuid(&nd_btt->ndns->dev);  in nd_btt_arena_is_valid()
269 		dev_info(&nd_btt->dev, "Found arena with an error flag\n");  in nd_btt_arena_is_valid()
275 int nd_btt_version(struct nd_btt *nd_btt, struct nd_namespace_common *ndns,  in nd_btt_version()  argument
280 		nd_btt->initial_offset = 0;  in nd_btt_version()
281 		nd_btt->version_major = 2;  in nd_btt_version()
282 		nd_btt->version_minor = 0;  in nd_btt_version()
285 		if (!nd_btt_arena_is_valid(nd_btt, btt_sb))  in nd_btt_version()
295 		nd_btt->initial_offset = SZ_4K;  in nd_btt_version()
296 		nd_btt->version_major = 1;  in nd_btt_version()
297 		nd_btt->version_minor = 1;  in nd_btt_version()
300 		if (!nd_btt_arena_is_valid(nd_btt, btt_sb))  in nd_btt_version()
310 static int __nd_btt_probe(struct nd_btt *nd_btt,  in __nd_btt_probe()  argument
315 	if (!btt_sb || !ndns || !nd_btt)  in __nd_btt_probe()
321 	rc = nd_btt_version(nd_btt, ndns, btt_sb);  in __nd_btt_probe()
325 	nd_btt->lbasize = le32_to_cpu(btt_sb->external_lbasize);  in __nd_btt_probe()
326 	nd_btt->uuid = kmemdup(&btt_sb->uuid, sizeof(uuid_t), GFP_KERNEL);  in __nd_btt_probe()
327 	if (!nd_btt->uuid)  in __nd_btt_probe()
330 	nd_device_register(&nd_btt->dev);  in __nd_btt_probe()
363 		struct nd_btt *nd_btt = to_nd_btt(btt_dev);  in nd_btt_probe()  local
365 		nd_detach_ndns(btt_dev, &nd_btt->ndns);  in nd_btt_probe()