On Mon, Sep 17, 2012 at 10:19:59PM +0700, Robert Elz wrote: > Date: Mon, 17 Sep 2012 09:21:23 -0400 > From: [email protected] (Christos Zoulas) > Message-ID: <[email protected]> > > | devsw_name2{blk,chr}("mfi", NULL, 0), > > That's like driving round the wrong block - backwards... > > There's no need to know which particular major(dev) is mfi, > what is needed is to know whether the dev you have is the one > that gets to mfi, which is going at the problem the other way > around. > > With suitable error checking added, just use > > cdevsw_lookup(dev)->d_ioctl == mfiioctl > > (or whatever its ioctl function is named).
But this assumes that the mfi driver is compiled in. it doesn't look right, especially in the context of modules. -- Manuel Bouyer <[email protected]> NetBSD: 26 ans d'experience feront toujours la difference --
