From owner-freebsd-hackers  Fri Feb 21 16: 7:18 2003
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Message-ID: <3E56BECB.16605EC7@mindspring.com>
Date: Fri, 21 Feb 2003 16:05:31 -0800
From: Terry Lambert <tlambert2@mindspring.com>
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To: Julian Elischer <julian@elischer.org>
Cc: Yevgeniy Aleynikov <eugenea@infospace.com>,
	Kirk McKusick <mckusick@beastie.mckusick.com>,
	Matt Dillon <dillon@earth.backplane.com>,
	Ian Dowse <iedowse@maths.tcd.ie>, peter@FreeBSD.ORG,
	ache@FreeBSD.ORG, Ken Pizzini <kenp@infospace.com>,
	hackers@FreeBSD.ORG, security-officer@FreeBSD.ORG,
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	imp@FreeBSD.ORG, security-team@FreeBSD.ORG, wes@FreeBSD.ORG,
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Subject: Re: bleh. Re: ufs_rename panic
References: <Pine.BSF.4.21.0302211534490.51164-100000@InterJet.elischer.org>
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Julian Elischer wrote:
> On Fri, 21 Feb 2003, Terry Lambert wrote:
> > Dan's non-atomicity assumption on renames is incorrect.
[ ... ]
> > I think that a workaround would be to comment the directory fsync()
> > code out of qmail, which apparently thinks it's running on extfs
> > or an async mounted FFS.
> 
> If you don't want to lose mail then qmail needs to do a fsync after it
> does the rename.

See other mail.  I was referring only to fsync() of directory
data.  Sorry if that wasn't clear because of the intervening
paragraph.

-- Terry

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