Use $storageInfo['free']

apps/files/index.php

@@ -103,7 +103,7 @@ if ($needUpgrade) {
 } else {
 	// information about storage capacities
 	$storageInfo=OC_Helper::getStorageInfo($dir);
-	$freeSpace=OCP\Util::freeSpace($dir);
+	$freeSpace=$storageInfo['free'];
 	$uploadLimit=OCP\Util::uploadLimit();
 	$maxUploadFilesize=OCP\Util::maxUploadFilesize($dir);
 	$publicUploadEnabled = \OC_Appconfig::getValue('core', 'shareapi_allow_public_upload', 'yes');

apps/files/lib/helper.php

@@ -6,7 +6,6 @@ class Helper
 {
 	public static function buildFileStorageStatistics($dir) {
 		$l = new \OC_L10N('files');
-		$freeSpace=\OCP\Util::freeSpace($dir);
 		$maxUploadFilesize = \OCP\Util::maxUploadFilesize($dir);
 		$maxHumanFilesize = \OCP\Util::humanFileSize($maxUploadFilesize);
 		$maxHumanFilesize = $l->t('Upload') . ' max. ' . $maxHumanFilesize;
@@ -16,7 +15,7 @@ class Helper
 
 		return array('uploadMaxFilesize' => $maxUploadFilesize,
 					 'maxHumanFilesize'  => $maxHumanFilesize,
-					 'freeSpace' => $freeSpace,
+					 'freeSpace' => $storageInfo['free'],
 					 'usedSpacePercent'  => (int)$storageInfo['relative']);
 	}