Re: [PATCH] Make fileio open files in exclusive mode

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On Mon, Jul 09, 2012 at 05:58:10PM -0700, Andy Grover wrote:
> Other backstores open backing devices in exclusive mode, fileio should as
> well.

O_EXCL doesn't really provide an exclusion once the file is opened, it
just means the caller has to create the file and it can't exist
beforehand.

I don't think that's the semantics fileio needs.

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