From owner-freebsd-hackers  Fri Oct 19 10: 7:32 2001
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Date: Fri, 19 Oct 2001 10:07:22 -0700
From: Yevgeniy Aleynikov <eugenea@infospace.com>
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To: Zhihui Zhang <zzhang@cs.binghamton.edu>
Cc: Matt Dillon <dillon@earth.backplane.com>,
	Peter Wemm <peter@wemm.org>, Ian Dowse <iedowse@maths.tcd.ie>,
	ache@FreeBSD.ORG, mckusick@mckusick.com,
	Ken Pizzini <kenp@infospace.com>, hackers@FreeBSD.ORG
Subject: Re: patch #3 (was Re: bleh. Re: ufs_rename panic)
References: <Pine.SOL.4.21.0110031029380.11609-100000@onyx>
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FYI:

http://www.securityfocus.com/cgi-bin/archive.pl?id=1&mid=221337&start=2001-10-15&end=2001-10-21

(about how things done in Linux).


Zhihui Zhang wrote:

> (1) I am always wondering why not use a global rename lock so that there
>     is only one rename operation in progress at any time. This method is
>     used by GFS and probably Linux.  This could make the code simply. Maybe
>     we can even get rid of the relookup() stuff.
> 
>     This may reduce concurrency, but rename should not be a frequent
>     operation.
> 

-- 
Yevgeniy Aleynikov
Infospace, Inc.
SysAdmin, USE
Work: (206)357-4594

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