how else will one keep account of something without using a file, be it from a kernel module or not??? or do u mean to say we shd somehow go into user space for such stuff - if so, then how? please enlighten me. prad On Tue, 30 Sep 2003, Greg KH wrote: > On Tue, Sep 30, 2003 at 01:02:42PM +0530, Pradheep K E wrote: > > hi, > > i'm getting a strange problem while writing to a file from a LKM. > > could anyone tell me how exactly do we write to a file in the kernel mode. > > this code just created the file but didn't write anything to it. > > > > struct file* f= filp_open(filename, O_CREAT|O_APPEND, 0600); > > f->f_op->write(f, "foo", 3, &f->fpos); > > filp_close(f, NULL); > > > > > > the write function returned -14, and i dont know why it's giving me a > > problem. is there anything more that i should do before writing to the > > file? > > Other than you should never be doing this from a kernel module? No. :) > > > greg k-h > -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
