log: Update pr_read/write helpers

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
timers: Add conversion of posix timers

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
timers: Drop unneeded code

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>