Re: 2.5.74-mm3

Valdis.Kletnieks
2003-07-10T18:21:08Z

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On Tue, 08 Jul 2003 22:35:48 PDT, Andrew Morton <akpm@osdl.org> said:

> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.5/2.5.74/2.5.74-mm3/

OK, I'm finally getting around to actually commenting, this has been a niggling issue for
a while...

> All 113 patches:

> 64-bit-dev_t-kdev_t.patch
> 64-bit dev_t and kdev_t

Yes, this patch says "not ready for prime time, it breaks things".

In particular, this gives the device-mapper userspace indigestion, because the
ioctl passes something other than a 64-bit kdev_t in from libdevmapper. Upshot
is that the LVM2 'vgchange -ay' fails gloriously.

Workaround: Compile the devmapper/LVM stuff with a private copy of include/
linux/kdev_t.h that matches the one the kernel uses. No, I didn't actually get
that to work, so I backed out the 64-bit patch...

(And no, the recent devmapper/LVM2 stuff posted doesn't fix this).

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