21 struct zpool {  struct
156 struct zpool *zpool_create_pool(const char *type, const char *name, gfp_t gfp,  in zpool_create_pool()
160 	struct zpool *zpool;  in zpool_create_pool()  local
176 	zpool = kmalloc(sizeof(*zpool), gfp);  in zpool_create_pool()
177 	if (!zpool) {  in zpool_create_pool()
183 	zpool->driver = driver;  in zpool_create_pool()
184 	zpool->pool = driver->create(name, gfp, ops, zpool);  in zpool_create_pool()
185 	zpool->ops = ops;  in zpool_create_pool()
186 	zpool->evictable = driver->shrink && ops && ops->evict;  in zpool_create_pool()
187 	zpool->can_sleep_mapped = driver->sleep_mapped;  in zpool_create_pool()
189 	if (!zpool->pool) {  in zpool_create_pool()
192 		kfree(zpool);  in zpool_create_pool()
199 	list_add(&zpool->list, &pools_head);  in zpool_create_pool()
202 	return zpool;  in zpool_create_pool()
216 void zpool_destroy_pool(struct zpool *zpool)  in zpool_destroy_pool()  argument
218 	pr_debug("destroying pool type %s\n", zpool->driver->type);  in zpool_destroy_pool()
221 	list_del(&zpool->list);  in zpool_destroy_pool()
223 	zpool->driver->destroy(zpool->pool);  in zpool_destroy_pool()
224 	zpool_put_driver(zpool->driver);  in zpool_destroy_pool()
225 	kfree(zpool);  in zpool_destroy_pool()
238 const char *zpool_get_type(struct zpool *zpool)  in zpool_get_type()  argument
240 	return zpool->driver->type;  in zpool_get_type()
254 bool zpool_malloc_support_movable(struct zpool *zpool)  in zpool_malloc_support_movable()  argument
256 	return zpool->driver->malloc_support_movable;  in zpool_malloc_support_movable()
275 int zpool_malloc(struct zpool *zpool, size_t size, gfp_t gfp,  in zpool_malloc()  argument
278 	return zpool->driver->malloc(zpool->pool, size, gfp, handle);  in zpool_malloc()
295 void zpool_free(struct zpool *zpool, unsigned long handle)  in zpool_free()  argument
297 	zpool->driver->free(zpool->pool, handle);  in zpool_free()
317 int zpool_shrink(struct zpool *zpool, unsigned int pages,  in zpool_shrink()  argument
320 	return zpool->driver->shrink ?  in zpool_shrink()
321 	       zpool->driver->shrink(zpool->pool, pages, reclaimed) : -EINVAL;  in zpool_shrink()
346 void *zpool_map_handle(struct zpool *zpool, unsigned long handle,  in zpool_map_handle()  argument
349 	return zpool->driver->map(zpool->pool, handle, mapmode);  in zpool_map_handle()
362 void zpool_unmap_handle(struct zpool *zpool, unsigned long handle)  in zpool_unmap_handle()  argument
364 	zpool->driver->unmap(zpool->pool, handle);  in zpool_unmap_handle()
375 u64 zpool_get_total_size(struct zpool *zpool)  in zpool_get_total_size()  argument
377 	return zpool->driver->total_size(zpool->pool);  in zpool_get_total_size()
393 bool zpool_evictable(struct zpool *zpool)  in zpool_evictable()  argument
395 	return zpool->evictable;  in zpool_evictable()
404 bool zpool_can_sleep_mapped(struct zpool *zpool)  in zpool_can_sleep_mapped()  argument
406 	return zpool->can_sleep_mapped;  in zpool_can_sleep_mapped()