Well, I usually use lvresize to do this job, but lvextend should be fine.
> I wanted to use the free 42.7 G and allocate it to /bin-logs so this is
> what I ran in order to extended
> # lvextend -L +42.7G -n /dev/vg0/logs
I wouldn't put that "-n" in, though; mucking around with a filesystem that
needs fscking and not doing so would seem to be asking for trouble...