Hi, Le Wed, 18 Apr 2007 14:00:08 +0800, R.wen <rwen2012@xxxxxxxxx> a écrit : > Thanks for your reply, I do know that, there is a inet_stream_ops > structure there, and also the function sock_sendpage() here as follow. > > But is there a system call that use it? Or how does the > user-application use this function? It's used by the need splice() system call, when you need to transfer data to a socket. References: http://lxr.free-electrons.com/source/fs/splice.c http://en.wikipedia.org/wiki/Splice_(system_call) There may be other uses, but it's the only one I found by grepping through the kernel sources. Sincerly, Thomas -- Thomas Petazzoni - thomas.petazzoni@xxxxxxxx http://{thomas,sos,kos}.enix.org - http://www.toulibre.org http://www.{livret,agenda}dulibre.org -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ