There is a simple command that will make your Linux system to reboot, and inmediately after check the disks, useful trick.
Here is the command:
shutdown -Fr now
And if you on the other hand want to skip the fsck to work after reboot, you know that after some number of mounts the fsck is activated and a check disk is forced, and you may need to be sure this is not going to happen because you need your system to reboot fast, enter this command
shutdown -fr now