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Subject: Re: Writing files to remote storage
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Kevin Liao <kevinliao@iei.com.tw>
Cc: Kernel Mailing List <linux-kernel@vger.kernel.org>
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Date: 28 Aug 2002 15:18:42 +0100
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On Wed, 2002-08-28 at 09:17, Kevin Liao wrote:
> If I mount a remote linux partition through smb or nfs and write one file to
> that partition. How could I make sure that that file is really written to
> the remote disk successfully? I know that some cache mechanisms existed in
> linux kernel. So I guess there may be two possibilities as below:

For NFS at least do an fsync(). Fsync should ensure the data hits the
server. Whether the server commits to stable storage is protocol and
configuration dependant (NFS says yes, some implementations fudge it)