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Date: Tue, 28 Feb 1995 12:08:50 +1100
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199502280108.MAA23667@godzilla.zeta.org.au>
To: bde@zeta.org.au, terry@cs.weber.edu
Subject: Re: Disappearing space in root fs.
Cc: current@FreeBSD.org, dyson@FreeBSD.org
Sender: current-owner@FreeBSD.org
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>> fsck tells me that vipw unlinks the previous copies pwd.db and spwd.db.
>> ...

>Apparently the cache changes mean that they aren't LRU'ed out.

I think there needs to be a vnode_pager_uncache() in rename or in all
xxx_rename()s.  vp->v_usecount is normally 2 after namei(), one reference
for the lookup and one for the object cache (?).  The vnode_pager_uncache()
call in unlink() normally decreases vp->v_usecount from 2 to 1.

Bruce