On Wed, 9 Oct 2002, Linus Torvalds wrote:
>
> On Wed, 9 Oct 2002, Alexander Viro wrote:
> >
> > It makes sense, but that should be done for gendisk. I.e. we should have
> > (name, base, range) - not a node for each partition.
>
> Actually, we _do_ want to have a node for each partition, if we want to
> show the things that are associated with one particular partition. And we
> do have those things - mounts and (onc eit's working again) LVM
> relationships etc.
>
> It's a perfectly valid question to ask "what partitions are part of this
> extended disk?" or "which partition is the backing store for this
> filesystem?". Which implies that a partition is a real first-class
> entity, not just "one of a range".
Sorry, no. Which partition is the backing store for this filesystem is
question to some filesystem drivers. Not even every fs driver that
happens to use block devices - some of them use more than one (e.g
for journal).
IOW, it's not a partition property.
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