owncloud / core

		if ($reuse === -1) {

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

		}

		if ($lock && $this->storage->instanceOfStorage(ILockingStorage::class)) {

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

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

		}

		try {

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

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

				$data['size'] = $size;

			}

		} finally {

			if ($lock && $this->storage->instanceOfStorage(ILockingStorage::class)) {

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

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

			}

		}

		return $data;

	}