Date: Thu, 11 Mar 2004 21:43:54 +0000
From: Joe Thornber <thornber@redhat.com>
To: Andi Kleen <ak@muc.de>
Cc: Mickael Marchand <marchand@kde.org>, linux-kernel@vger.kernel.org,
       dm@uk.sistina.com
Subject: Re: 2.6.4-mm1
Message-ID: <20040311214354.GM18345@reti>
References: <1ysXv-wm-11@gated-at.bofh.it> <1yxuq-6y6-13@gated-at.bofh.it> <m3hdwnawfi.fsf@averell.firstfloor.org> <200403111445.35075.marchand@kde.org> <20040311144829.GA22284@colin2.muc.de>
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On Thu, Mar 11, 2004 at 03:48:29PM +0100, Andi Kleen wrote:
> Maybe they have broken data structures again, most likely
> because of different long long alignment. A lot of people
> who attempt to design data structures that don't need translation
> get that wrong unfortunately.

I'd thought we'd been careful about this.  You're suggesting that the
size of this structure has changed between kernel versions ?!

struct dm_ioctl {
        uint32_t version[3];
        uint32_t data_size;

        uint32_t data_start;

        uint32_t target_count;
        int32_t open_count;
        uint32_t flags;
        uint32_t event_nr;
        uint32_t padding;

        uint64_t dev;

        char name[DM_NAME_LEN];
        char uuid[DM_UUID_LEN];
};

- Joe
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