Hi all sys_read uses a variable of the type read_descriptor_t. The docum,entation for the defn of this says that it is a descriptor for what we are upto with a read for sendfile(). WHAT IS sendfile() ?? And how does read_descriptor_t allow same read code yet multiple users of the data read ??? 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/