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To: Doug Rabson <dfr@nlsystems.com>
cc: Poul-Henning Kamp <phk@dk.tfs.com>, current@freebsd.org
From: Poul-Henning Kamp <phk@dk.tfs.com>
Subject: Re: vnode->v_usage 
In-reply-to: Your message of "Tue, 06 May 1997 13:01:45 BST."
             <Pine.BSF.3.95q.970506125821.331J-100000@herring.nlsystems.com> 
Date: Tue, 06 May 1997 14:52:01 +0200
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Thanks!

I've tried to provoke that race, and finally decided that it didn't
exist, but I guess I was wrong.

Will apply your patch.

Poul-Henning

>I just had a page fault in vtouch.  The code needs to check for
>v_freelist.tqe_prev != 0xdeadb (shudder) to protect itself from races with
>getnewvnode. 

--
Poul-Henning Kamp           | phk@FreeBSD.ORG       FreeBSD Core-team.
http://www.freebsd.org/~phk | phk@login.dknet.dk    Private mailbox.
whois: [PHK]                | phk@tfs.com           TRW Financial Systems, Inc.
Power and ignorance is a disgusting cocktail.