Linux MTD and NFTL - Question

[David Woodhouse]

On Tue, 2005-02-15 at 08:07 -0600, Sean Kelley wrote:
> Thank you for your reply.  I would like to ship a product without a
> CD.  USB mass storage allows you that option.  I am not familiar with
> the file system profile.  Is this something similar to a PC side
> driver which can understand JFFS2?

It's a PC side driver which can understand a file system. I haven't
investigated it much -- all I know is what David Brownell said when I
last said "wouldn't it be nice if...' last March:

(Message-ID: <40644FCA.8000206 at pacbell.net> on linux-kernel)

On Fri, 2004-03-26 at 07:44 -0800, David Brownell wrote:
> David Woodhouse wrote:
> > 
> > Out of interest -- have they (or has anyone else) invented a 'file
> > system' USB device yet? For exporting some file systems, pretending to
> > be a block device really isn't very useful.
> 
> There's a file system protocol used by many digital still cameras,
> which isn't actually camera-specific.  Not MSFT-specific either.
> 
> Originally called "Picture Transfer Protocol" (PTP) it's actually
> more of a remote hierarchical filesystem protocol ... with an event
> channel (handy for "new picture" or "inserted new flash memory")
> and some built-in search capabilities ("what JPGs do you have").
> The strangest capability was a file type tag, which isn't actually
> that bizarre.
> 
> As with RNDIS, and USB Mass Storage, I understand that support for
> PTP is part of MS-Windows since about Win2K.  So a PTP gadget
> driver would probably be a useful contribution to Linux.

A quick google shows an old host-side implementation for Linux at 
http://www.michaelminn.com/?linux/mmptp/README.html but no slave
implmentation yet. 

-- 
dwmw2