New version which uses less locking and drops old API Signed-off-by: Matteo Croce <technoboy85@gmail.com> Signed-off-by: Eugene Konev <ejka@imfi.kspu.ru> Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>