Subject: Re: Is O_EXCL in open(2) broken over NFS ?
To: Alan C. Horn <>
From: Manuel Bouyer <>
List: tech-userlevel
Date: 07/23/2000 17:06:31
On Sun, Jul 23, 2000 at 12:32:51PM +0100, Alan C. Horn wrote:
> I recall that O_EXCL over NFS never worked right on Linux due to a race
> condition.
> In the NetBSD open(2) manpage I see no mention of this. Does it mean that
> exclusive locks work properly across NFS in NetBSD ?

Yes. It doesn't work on linux because linux's NFS implementation is not

Manuel Bouyer <>