Re: lvm volume like support

[Martin Steigerwald <Martin@lichtvoll.de>]

Am Mittwoch, 27. Februar 2013 schrieb Roman Mamedov:
> On Wed, 27 Feb 2013 13:23:23 +1100
> 
> "Fajar A. Nugraha" <list@fajar.net> wrote:
> > Not to mention the hassle in accessing the data if it resides on a 
> > partition inside the file (e.g. you need losetup + kpartx to access it,
> > and you must remember to do the reverse when you're finished with it).
> >
> > 
> >
> > In zfsonlinux it's very easy to do so since a zvol is treated pretty
> > much like a disk, and whenever there's a partition inside a zvol, a
> > coressponding device noed is also created automatically.
> 
> So I'd say what you (we) need is a generic Linux kernel framework that
> would allow treating any regular file pretty much like a disk. Not some
> filesystem-specific block device emulation kludge.
> 
> Btw some years ago there was a patchset adding proper automatic partition
> support to 'loop'; but it seems like that went nowhere, and I have no
> idea why something this useful did not end up being added into the
> mainline kernel.

Are you sure about the partition support? I thought something related to 
loop partition support has gone into some not so recent kernel.

-- 
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
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