On Thu, Feb 15, 2007 at 03:22:59PM +0000, Josef Karthauser wrote: > On Thu, Feb 15, 2007 at 02:57:50PM +0100, Jeremie Le Hen wrote: > > > > Note that all processes within a jail can only intefere with processes > > from another jail or host as if they were on different machines. This > > means they can communicate through PF_INET for instance but not > > PF_LOCAL. > > > > You might think so! However that's not what's going on here. > > The named pipe/nullfs issue is nothing to do with jails. It's just > that nullfs is broken with respect to named pipes as I've previously > reported. However with this patch: > > cvs diff: Diffing . > Index: null_subr.c > =================================================================== > RCS file: /home/ncvs/src/sys/fs/nullfs/null_subr.c,v > retrieving revision 1.48.2.1 > diff -u -r1.48.2.1 null_subr.c > --- null_subr.c 13 Mar 2006 03:05:17 -0000 1.48.2.1 > +++ null_subr.c 14 Feb 2007 00:02:28 -0000 > @@ -235,6 +235,8 @@ > xp->null_vnode = vp; > xp->null_lowervp = lowervp; > vp->v_type = lowervp->v_type; > + if (vp->v_type == VSOCK || vp->v_type == VFIFO) > + vp->v_un = lowervp->v_un; I'm wondering is some reference counting needed there ? > vp->v_data = xp; > vp->v_vnlock = lowervp->v_vnlock; > if (vp->v_vnlock == NULL) >
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