use eq instead of in for loading single storage

Signed-off-by: Robin Appelman <robin@icewind.nl>

lib/private/Files/Cache/StorageGlobal.php

@@ -69,7 +69,15 @@ class StorageGlobal {
 	 */
 	public function getStorageInfo($storageId) {
 		if (!isset($this->cache[$storageId])) {
-			$this->loadForStorageIds([$storageId]);
+			$builder = $this->connection->getQueryBuilder();
+			$query = $builder->select(['id', 'numeric_id', 'available', 'last_checked'])
+				->from('storages')
+				->where($builder->expr()->eq('id', $builder->createNamedParameter($storageId)));
+
+			$row = $query->execute()->fetch();
+			if ($row) {
+				$this->cache[$storageId] = $row;
+			}
 		}
 		return isset($this->cache[$storageId]) ? $this->cache[$storageId] : null;
 	}