Hi all In __make_request(), there is a statement : el_ret = elevator->elevator_merge_fn(....); Where is the definition of this elevator_merge_fn ? How does it work ? Thanx Narasimhamurthy Giri, Clemson University Computer Science Dept. ------------------------------------------------------------------------------- Judge not lest ye be judged yourself. ------------------------------------------------------------------------------- -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/