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Date:      Wed, 3 May 2006 14:31:04 -0400
From:      Kris Kennaway <kris@obsecurity.org>
To:        Dmitry Morozovsky <marck@rinet.ru>
Cc:        cvs-src@freebsd.org, src-committers@freebsd.org, Tor Egge <tegge@freebsd.org>, cvs-all@freebsd.org
Subject:   Re: cvs commit: src/sys/ufs/ffs ffs_snapshot.c ffs_vnops.c
Message-ID:  <20060503183104.GA31055@xor.obsecurity.org>
In-Reply-To: <20060503172526.H98950@woozle.rinet.ru>
References:  <200605022352.k42Nqi1s095377@repoman.freebsd.org> <20060503172526.H98950@woozle.rinet.ru>

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On Wed, May 03, 2006 at 05:36:57PM +0400, Dmitry Morozovsky wrote:
> Dear Tor,
>=20
> On Tue, 2 May 2006, Tor Egge wrote:
>=20
> TE>   Modified files:
> TE>     sys/ufs/ffs          ffs_snapshot.c ffs_vnops.c=20
> TE>   Log:
> TE>   Close a race when VOP_LOCK() on a snapshot file is attempted at the
> TE>   same time as it is changed back into a normal file.  The locker wou=
ld
> TE>   get the shared "snaplk" lock which would no longer be the correct l=
ock
> TE>   for the vnode.
>=20
> Any chance this (and subsequent) change(s) would fix snaplk errors report=
ed by=20
> me? How can I help testing (patch applied cleanly, but I hesitate to test=
 it=20
> blindly ;)

It does not, but these are some related issues found while testing.

Kris

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