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Date: Mon, 2 Jun 2014 09:09:23 +0200
Message-ID: <CAMuHMdX=5WEpySgtd5xvt=4ZVNesonJc7k3=GJmuVS9KEiwrMA@mail.gmail.com>
Subject: Re: [RFC 11/32] xfs: convert to struct inode_time
From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Dave Chinner <david@fromorbit.com>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>, Arnd Bergmann <arnd@arndb.de>,
        "H. Peter Anvin" <hpa@zytor.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Linux-Arch <linux-arch@vger.kernel.org>,
        "Joseph S. Myers" <joseph@codesourcery.com>,
        John Stultz <john.stultz@linaro.org>,
        Christoph Hellwig <hch@infradead.org>,
        Thomas Gleixner <tglx@linutronix.de>, Ley Foon Tan <lftan@altera.com>,
        Linux FS Devel <linux-fsdevel@vger.kernel.org>, xfs@oss.sgi.com
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Sender: linux-kernel-owner@vger.kernel.org

On Mon, Jun 2, 2014 at 4:22 AM, Dave Chinner <david@fromorbit.com> wrote:
> Filesystems place all sorts of userspace visible limits on storage -
> ever tried to create a file >16TB on ext4? The on-disk format
> doesn't support it, so it returns an out of range error (E2BIG, I
> think) if you try. XFS, OTOH, handles this just fine and so it
> continues to work. It's exactly the same with timestamps - there's a
> physical limit to what can sanely be stored in any given filesystem
> and it's an *error condition* to go beyond that limit....

This comparison doesn't fly.
File sizes do not depend on the current time (except for the increase of
megapixels in your new camera ;-).
Writing a 15 GiB file to ext4 is not something that magically stops working
tomorrow.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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