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Date: Wed, 7 Aug 2002 19:19:07 +0200
To: Gregory Giguashvili <Gregoryg@ParadigmGeo.com>
Cc: "Linux Kernel (E-mail)" <linux-kernel@vger.kernel.org>
Subject: RE: O_SYNC option doesn't work (2.4.18-3)
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From: Trond Myklebust <trond.myklebust@fys.uio.no>
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>>>>> " " == Gregory Giguashvili <Gregoryg@ParadigmGeo.com> writes:

    >> The latter are found on ftp.kernel.org and mirrors...
     > Are you saying that this problem is non-existent in the latest
     > kernel patches? Can you, please, point to at least one of them?

No. I said that reporting bugs on RedHat-specific kernels should be
done to RedHat rather than to this list.

As for O_SYNC, AFAICS there are no bugs in the standard
kernel. However if you are thinking that O_SYNC means that you can
write simultaneously to the same file from 2 different clients, then
the answer is "the NFS protocol won't allow you to do that".
The *only* method of ensuring cache consistency in such a case is to
use POSIX file locking.

Cheers,
  Trond
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