Subject: Re: making all fd's point at vnodes?
To: Bill Studenmund <email@example.com>
From: Bill Sommerfeld <firstname.lastname@example.org>
Date: 06/18/2001 14:09:50
> So we'd be changing the locking semantics of VOP_READ & VOP_WRITE? I don't
> think that's a good idea. If we put "vnodes" into file descriptors, I
> think we should just put the locking there too. (sockets and pipes can
> have nops for lock/unlock routines)
nop's still have a cost; if only filesystem vnodes need VOP_LOCK, then
only filesystem vnodes should pay the cost.