From: Jan Niehusmann <jan@gondor.com>
To: Andreas Dilger <adilger@turbolinux.com>
Cc: linux-lvm@msede.com
Subject: [linux-lvm] Re: lvm.h kernel/userspace differences
Date: Fri, 1 Sep 2000 13:47:08 +0200 [thread overview]
Message-ID: <20000901134708.A6408@gondor.com> (raw)
In-Reply-To: <20000901132936.A3526@gondor.com>; from jan@gondor.com on Fri, Sep 01, 2000 at 01:29:36PM +0200
> - kernel's lv_v2_t has an additional field "uint8_t __unused;" _in the middle_
> of the struct. Huh. What's that?
Additional information:
It's been included in linux-2.3.99-pre9 or -pre10. The patch was proposed by
Andrea Arcangeli in a mail to linux-kernel on Apr 5. He writes:
> o inserts a pad in the lv_t structure to avoid breaking the
> binary tools interface. I think everybody prefers to lose
> 32 bit per logical volume in the system than having to
> change binary tools while switching between 2.2.x and 2.3.x
> to make snapshotting to work :).
next prev parent reply other threads:[~2000-09-01 11:47 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-08-29 7:18 [linux-lvm] Strange Ulf Bartelt
2000-08-29 16:22 ` [linux-lvm] Dazed & Confused Andreas Dilger
2000-08-29 18:32 ` [linux-lvm] rpm Jan Niehusmann
[not found] ` <200009010540.XAA04818@lynx.turbolabs.com>
2000-09-01 11:29 ` [linux-lvm] lvm.h kernel/userspace differences Jan Niehusmann
2000-09-01 11:47 ` Jan Niehusmann [this message]
2000-09-01 17:53 ` [linux-lvm] " Andreas Dilger
2000-08-31 18:15 ` [linux-lvm] Dazed & Confused Marcelo Tosatti
2000-09-01 8:01 ` Andreas Dilger
2000-08-29 17:58 ` [linux-lvm] Strange Nils Juergens
2000-08-30 7:08 ` Ulf Bartelt
2000-09-01 8:25 ` Andreas Dilger
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