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Date: Thu, 21 Feb 2008 08:45:08 +0000
From: Jamie Lokier <jamie@shareable.org>
To: Indraneel <indraneel.m@samsung.com>
Subject: Re: Block devices
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	"David H. Lynch Jr." <dhlii@dlasys.net>
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Indraneel wrote:
> >     Can I write a filesystem driver for a flash device that does not
> > require a block device ?
> 
> AFAIK, for a flash file system you need a Block Device. But you can 
> write a character driver to access the flash without a Block Device.

I think JFFS2 (flash file system) does not require a block device.  If
you mount /dev/mtdblockN with JFFS2, it actually looks up the
corresponding MTD character device and uses that instead.  The same is
probably true of the other dedicated flash filesystems.

-- Jamie