kernel module sg gone

When I wanted to read iso files on dvd or cd I used to need to do modprobe sg first. That's gone with latest update of kernel and modules and I'd like to know what replaced it. -- Jude <jdashiel at panix dot com> "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." Ed Howdershelt 1940.