Re: What is the status with migrating partition code out of the kernel and into partx?

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On 3/19/2010 6:25 AM, Kay Sievers wrote:
> The in-kernel parser is just too dumb to recognize all sorts of common
> metadata on the device which invalidate any possible partition table.
> Like the kernel used to happily announce partition of a raid member,
> which do not even exist on the device.

Indeed.  Currently Ubuntu seems to have dmraid remove the partitions the
kernel detected on a raid member disk after the fact.  It seems that the
right thing to do would be to not detect them in the first place.

> Regardless of all that, the default in-kernel partition table
> handling, and the partition table parser code will not be replaced by
> userspace. But it should be possible to delegate all that to
> userspace, on systems which can handle that. This is not reliable
> possible today.

Why not?
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