ext4: factor out ext4fcget_tl()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.0.6 by commit 3d6873c4a695867964ee04c4cf7f1d1f2ce8cfed. For more details please see the references link.