On Thu, Sep 30, 2004 at 06:39:12PM +0200, Ivan Popov wrote: > On Thu, Sep 30, 2004 at 11:18:29AM -0400, Jan Harkes wrote: > > pioctl opens a magic file /coda/.CONTROLPIPE > > venus returns an open socket or pipe. > ... > > Hello Jan, > > glad you find it interesting. > > If I am not totally off, you considering the communication between > other processes and Venus. I thought also about the kernel-Venus > communication. Now it is ioctl()s which is quite natural, > but can break when ioctls are remapped by an unaware abi-compatibility > layer.
Nope, kernel-venus protocol already uses simple read and write syscalls on the /dev/cfs0 device. The problem is when an application like clog tries to pass something to venus, it uses an ioctl, which the kenrel module then relays to venus as a CODA_PIOCTL upcall. Jan
