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To: des@des.no (Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?=)
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   of "Fri, 16 Jan 2004 22:57:55 +0100." <xzpn08nsgik.fsf@dwp.des.no> 
From: "Brian F. Feldman" <green@FreeBSD.org>
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Date: Fri, 16 Jan 2004 17:26:01 -0500
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Subject: Re: cvs commit: src/sys/kern kern_descrip.c 
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des@des.no (Dag-Erling =3D?iso-8859-1?q?Sm=3DF8rgrav?=3D) wrote:
> Dag-Erling Smorgrav <des@FreeBSD.org> writes:
> >   WITNESS won't let us hold two filedesc locks at the same time, so j=
uggle
> >   fdp and newfdp around a bit.
> =

> The question though is, is there a real reason why we can't hold two
> filedesc locks at the same time, or is WITNESS being unnecessarily
> pedantic?

I don't see a reason "newfdp" needs to be locked, since it is not referen=
ced =

by anything yet.  If "fdp" alone is locked, that is sufficient to ensure =

they will both be consistent.

-- =

Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''=
''\
  <> green@FreeBSD.org                               \  The Power to Serv=
e! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,=
,,,,\