owncloud / core

	 *

	 * @return bool False if the path is excluded from locking, true otherwise

	 */

	public function lockFile($path, $type, $lockMountPoint = false) {

		$absolutePath = $this->getAbsolutePath($path);

		$absolutePath = Filesystem::normalizePath($absolutePath);

		if (!$this->shouldLockFile($absolutePath)) {

			return false;

		}

		$this->lockPath($path, $type, $lockMountPoint);

		$parents = $this->getParents($path);

		foreach ($parents as $parent) {

			$this->lockPath($parent, ILockingProvider::LOCK_SHARED);

		}

		return true;

	}

	/**

	 * Unlock a path and all its parents up to the root of the view

	 *

	 * @return bool False if the path is excluded from locking, true otherwise

	 */

	public function unlockFile($path, $type, $lockMountPoint = false) {

		$absolutePath = $this->getAbsolutePath($path);

		$absolutePath = Filesystem::normalizePath($absolutePath);

		if (!$this->shouldLockFile($absolutePath)) {

			return false;

		}

		$this->unlockPath($path, $type, $lockMountPoint);

		$parents = $this->getParents($path);

		foreach ($parents as $parent) {

			$this->unlockPath($parent, ILockingProvider::LOCK_SHARED);

		}

		return true;

	}

	/**

	 * Only lock files in data/user/files/