[OE-core] Efficient ways to delete a build directory

[Burton, Ross]

On Thu, 3 Jan 2019 at 02:39, Robert Yang <liezhi.yang at windriver.com> wrote:
> We can see that find -delete is the fastest way, rsync is the slowest one,
> and rm is close to find. Maybe it is because find and rsync are improved in
> nowadays, so they are faster than rsync.

That's good to know.  There were some improvements to the syscalls
recently that was meant to improve this sort of thing, so it appears
to be working.

Ross