From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Ken Preslan <kpreslan@redhat.com>
Cc: akpm@osdl.org, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Allow cluster-wide flock
Date: Mon, 30 Aug 2004 15:35:19 +0100 [thread overview]
Message-ID: <1093876517.30190.3.camel@localhost.localdomain> (raw)
In-Reply-To: <20040830151945.GA16894@potassium.msp.redhat.com>
On Llu, 2004-08-30 at 16:19, Ken Preslan wrote:
> Hi,
>
> Below is a patch that lets a cluster filesystem (such as GFS) implement
> flock across a the cluster. Please apply.
flock affects local node only traditionally and applications expect high
performance from it. Our documentation merely says
flock(2) does not lock files over NFS. Use fcntl(2) instead:
that does
work over NFS, given a sufficiently recent version of Linux
and a
server which supports locking.
I'm not sure how we should count GFS but other than noting a need to
think about it I see no problems with a cluster being "local"
next prev parent reply other threads:[~2004-08-30 15:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-30 15:19 [PATCH] Allow cluster-wide flock Ken Preslan
2004-08-30 14:35 ` Alan Cox [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-08-30 23:05 Trond Myklebust
2004-08-31 22:42 ` Ken Preslan
2004-08-31 3:11 Steve French
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