See this http://www.dirac.org/linux/writing/lkmpg/lkmpg.html#AEN715 Also read about copy_to_user/copy_from_user functions. Regards Mohanlal ----- Original Message ----- From: "bunty" <bunty123_4@rediffmail.com> To: <kernelnewbies@nl.linux.org>; <mohanlal@samsung.com>; <omanakuttan@tataelxsi.co.in> Sent: Monday, April 26, 2004 8:24 PM Subject: query related to /proc and read_write.c file hello, 1) how kernel write to /proc entry? while studying kernel source i found that there is no open/read/write/close file functions. what i found is that sprintf function that writes to /proc entry. can anyone please explain it? 2)what is the use of read_write.c file in fs directory of kernel source? the file contains sys_read, sys_write. why there is no function that will read a user space file and write to it. i found few questions asked on linux-kernel as well as kernelnewbies but there is no one able to answer it? i am using kernel 2.4.24. regards, parag. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
