Date: Sat, 8 Mar 1997 15:40:43 -0800 (PST) From: Mike Pritchard <mpp> To: guido@gvr.win.tue.nl (Guido van Rooij) Cc: danny@panda.hilink.com.au, freebsd-security@freebsd.org Subject: Re: 4.4BSD NFS File Handles (fwd) Message-ID: <199703082340.PAA07892@freefall.freebsd.org> In-Reply-To: <199703070752.IAA01682@gvr.win.tue.nl> from "Guido van Rooij" at Mar 7, 97 08:52:18 am
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Guido van Rooij wrote: > > Mike Pritchard wrote: > > If I remember right, the last time I looked at how the kernel > > assigned generation number, it didn't do a very good job > > of it (they were pretty predictable). We should probaby > > change them to use the random() kernel function. > > I also want to have the fsirand stuff. That should be enough. Perhaps > it should even be built in newfs. -- We also need to remove the code in ffs_alloc that sets the generation number = the current time if it is currently less than the current time. Right now, you can pretty much guess the generation number by loking at a files ctime and mtime fields. If the gen number isn't equal to one of those, then it is usually within some small delta of them. -- Mike Pritchard mpp@FreeBSD.org "Go that way. Really fast. If something gets in your way, turn"
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