hi, what does exactly register_disk do(is it reads the partion table or creates one) say if we have 5 devices(in a single device driver handling with a major no say 222) and we have to support a max of 16 partions,then what should we speicfy in arguments .(say if at all we need to support different no:of partions for 4 devices then what is the arguments should we specify) -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/