owncloud / core

		if ($reuse === -1) {

			$reuse = ($recursive === self::SCAN_SHALLOW) ? self::REUSE_ETAG | self::REUSE_SIZE : self::REUSE_ETAG;

		}

		if ($lock) {

			$this->lockingProvider->acquireLock('scanner::' . $this->storageId . '::' . $path, ILockingProvider::LOCK_EXCLUSIVE);

			$this->storage->acquireLock($path, ILockingProvider::LOCK_SHARED, $this->lockingProvider);

		}

		$data = $this->scanFile($path, $reuse, -1, null, $lock);

		if ($data and $data['mimetype'] === 'httpd/unix-directory') {

			$size = $this->scanChildren($path, $recursive, $reuse, $data, $lock);

			$size = $this->scanChildren($path, $recursive, $reuse, $data, $lock);

			$data['size'] = $size;

		}

		if ($lock) {

			$this->storage->releaseLock($path, ILockingProvider::LOCK_SHARED, $this->lockingProvider);

			$this->lockingProvider->releaseLock('scanner::' . $this->storageId . '::' . $path, ILockingProvider::LOCK_EXCLUSIVE);

		}

		return $data;

	}