Date: Tue, 2 Oct 2001 12:25:10 -0700 (PDT) From: Matt Dillon <dillon@earth.backplane.com> To: Alfred Perlstein <bright@mu.org> Cc: Poul-Henning Kamp <phk@critter.freebsd.dk>, cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/sys/ufs/ufs ufs_vnops.c Message-ID: <200110021925.f92JPAu59635@earth.backplane.com> References: <200110021733.f92HXwI58562@earth.backplane.com> <11806.1002044186@critter.freebsd.dk> <20011002142053.L59854@elvis.mu.org>
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:* Poul-Henning Kamp <phk@critter.freebsd.dk> [011002 12:37] wrote:
:> In message <200110021733.f92HXwI58562@earth.backplane.com>, Matt Dillon writes:
:>
:> > We can't switch around which one the syscall locks (lock the source
:> > instead of the destination) without changing the VOP_RENAME api.
:>
:> Well, we can change the API, just not the semantics...
:
:Before we go off into hysterics, one solution I heard from Alexander
:Viro was to just serialize all rename operations on the filesystem
:using a lock in the superblock. It sucks, but at least it's correct.
:
:I hope this is relevant.
:
:--
:-Alfred Perlstein [alfred@freebsd.org]
Ugh. No. I've got a better solution. I've got two separate
email threads going on here so I am going to consolidate and post the
idea w/ patches to freebsd-hackers.
-Matt
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