Function selabel 

pub fn selabel<H: FsVerityHashValue>(
    fs: &mut FileSystem<H>,
    repo: &Repository<H>,
) -> Result<()>

Applies SELinux security contexts to all files in a filesystem tree.

Reads the SELinux policy from /etc/selinux/config and corresponding policy files, then labels all filesystem nodes with appropriate security.selinux extended attributes.

Arguments

• fs - The filesystem to label
• repo - The composefs repository

Returns

Ok(()) if labeling succeeds or if no SELinux policy is found