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Date:	Thu, 26 Apr 2012 22:57:56 +0100
From:	David Howells <>
To:	"Myklebust, Trond" <>
Cc:, Steve French <>,
	"" <>,
	"" <>,
	"" <>,
	"" <>,
	"" <>,
	"" <>,
	"" <>,
	"" <>,
	"" <>,
	"" <>
Subject: Re: [PATCH 0/6] Extended file stat system call

Myklebust, Trond <> wrote:

> You are still not explaining why they need to know the values at all? If
> the values are bogus, then don't return them, and don't set the flag
> that says they are being returned.

What if the xstat() and struct xstat eventually becomes what userspace uses as
stat() (as a wrapper) and struct stat (if such a thing is possible with glibc
versioning)?  Do older programs that think they're using stat() and don't know
about the extra fields available expect to see a useful value in st_ino?

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