[SECURITY] Fedora 28 Update: blktrace-1.2.0-6.fc28

blktrace is a block layer IO tracing mechanism which provides detailed information about request queue operations to user space. This package includes both blktrace, a utility which gathers event traces from the kerne l; and blkparse, a utility which formats trace data collected by blktrace. You should install the blktrace package if you need to gather detailed information about IO patterns.