On Mon, Jun 13, 2005 at 09:10:58PM +0300, MHD.Tayseer Alqouatli wrote: > Since any user level code can't be called from kernel level code i need > to provide a way to let my fs LKM asks my user level FS engine for > underlying fs services and the FS engine responde to the LKM that > respondes in it's turn to the client > after some googling i found that such a solution is done by CODA fs by > means of a dummy character device .. what are the things should i know > (besides the VFS) to implement such a dummy character device any > pointers will be helpful > second .. is there any other way rather than the mentioned above solves > the user level/kernel level interaction problem ? (i just need a memory > space and synchronisaion object that both can be used by the user and > the kernel code) You're a bit vague, but I think you want a userspace filesystem driver. Have a look at FUSE: http://fuse.sourceforge.net/ . Erik -- Erik Mouw J.A.K.Mouw@xxxxxxxxxxxxxx mouw@xxxxxxxxxxxx
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