question: public void addMountExpandRollback ( BlockObjectRestRep volume , MountPoint mountPoint ) { ExecutionUtils . addRollback ( new SetBlockVolumeMachineTag ( volume . getId ( ) , getMountPointTagName ( ) , mountPoint . getPath ( ) ) ) ; addRollback ( new MountPath ( mountPoint . getPath ( ) ) ) ; addRollback ( new AddToFSTab ( mountPoint . getDevice ( ) , mountPoint . getPath ( ) , mountPoint . getFsType ( ) , mountPoint . getOptions ( ) ) ) ; }
target:  Method to setup rollbacks for mounting a Linux volume