Revert "block: freeze the queue earlier in del_gendisk"
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2155901
Signed-off-by: Ming Lei ming.lei@redhat.com
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2155901
Signed-off-by: Ming Lei ming.lei@redhat.com