21 	struct zpool_driver *driver;  member
39 void zpool_register_driver(struct zpool_driver *driver)  in zpool_register_driver()  argument
42 	atomic_set(&driver->refcount, 0);  in zpool_register_driver()
43 	list_add(&driver->list, &drivers_head);  in zpool_register_driver()
58 int zpool_unregister_driver(struct zpool_driver *driver)  in zpool_unregister_driver()  argument
63 	refcount = atomic_read(&driver->refcount);  in zpool_unregister_driver()
68 		list_del(&driver->list);  in zpool_unregister_driver()
78 	struct zpool_driver *driver;  in zpool_get_driver()  local
81 	list_for_each_entry(driver, &drivers_head, list) {  in zpool_get_driver()
82 		if (!strcmp(driver->type, type)) {  in zpool_get_driver()
83 			bool got = try_module_get(driver->owner);  in zpool_get_driver()
86 				atomic_inc(&driver->refcount);  in zpool_get_driver()
88 			return got ? driver : NULL;  in zpool_get_driver()
96 static void zpool_put_driver(struct zpool_driver *driver)  in zpool_put_driver()  argument
98 	atomic_dec(&driver->refcount);  in zpool_put_driver()
99 	module_put(driver->owner);  in zpool_put_driver()
122 	struct zpool_driver *driver = zpool_get_driver(type);  in zpool_has_pool()  local
124 	if (!driver) {  in zpool_has_pool()
126 		driver = zpool_get_driver(type);  in zpool_has_pool()
129 	if (!driver)  in zpool_has_pool()
132 	zpool_put_driver(driver);  in zpool_has_pool()
157 	struct zpool_driver *driver;  in zpool_create_pool()  local
162 	driver = zpool_get_driver(type);  in zpool_create_pool()
164 	if (!driver) {  in zpool_create_pool()
166 		driver = zpool_get_driver(type);  in zpool_create_pool()
169 	if (!driver) {  in zpool_create_pool()
177 		zpool_put_driver(driver);  in zpool_create_pool()
181 	zpool->driver = driver;  in zpool_create_pool()
182 	zpool->pool = driver->create(name, gfp, ops, zpool);  in zpool_create_pool()
184 	zpool->evictable = driver->shrink && ops && ops->evict;  in zpool_create_pool()
188 		zpool_put_driver(driver);  in zpool_create_pool()
215 	pr_debug("destroying pool type %s\n", zpool->driver->type);  in zpool_destroy_pool()
220 	zpool->driver->destroy(zpool->pool);  in zpool_destroy_pool()
221 	zpool_put_driver(zpool->driver);  in zpool_destroy_pool()
237 	return zpool->driver->type;  in zpool_get_type()
259 	return zpool->driver->malloc(zpool->pool, size, gfp, handle);  in zpool_malloc()
278 	zpool->driver->free(zpool->pool, handle);  in zpool_free()
301 	return zpool->driver->shrink ?  in zpool_shrink()
302 	       zpool->driver->shrink(zpool->pool, pages, reclaimed) : -EINVAL;  in zpool_shrink()
330 	return zpool->driver->map(zpool->pool, handle, mapmode);  in zpool_map_handle()
345 	zpool->driver->unmap(zpool->pool, handle);  in zpool_unmap_handle()
358 	return zpool->driver->total_size(zpool->pool);  in zpool_get_total_size()