Add iolimit and iopslimit

This patch adds iolimit and iopslimit support. This functionality
is available for OpenVZ since kernel 2.6.32-042stab084.2.

Work was sponsored by GleSYS Internet Services AB (http://glesys.se/)
via a feature request form available at bit.ly/YtWwWN

* vzctl set: add --iolimit and --iopslimit
* bash_completion: add appropriate completions
* vzlist: add appropriate new fields
* vzctl(8): describe new options
* etc/init.d/vz*: add vziolimit module loading

Reported-by: GleSYS Support <support@glesys.se>
Signed-off-by: Kir Kolyshkin <kir@openvz.org>
15 files changed