root jffs2

[Nicolas Pitre]

On Wed, 13 Jun 2001, David Woodhouse wrote:

>
> nico at cam.org said:
> >  On Wed, 13 Jun 2001, Vipin Malik wrote:
> > > What about a "jffs2erase" routine that not only erases the flash sectors
> > > but also writes out this "signature" at the start of every erase block.
> > > This way one can mount an empty JFFS2 fs on a MTD partition erased by
> > > jffs2erase?
>
> > This is IMHO not the real solution.
>
> Why? No other filesystem can be mounted on empty media without some form of
> mkfs.

JFFS2 is far from being a conventional filesystem, no?

It is really elegant to just erase the flash partition and mount right away.
Not yet another special tool please.

> In fact you wouldn't need to do every block. All you'd have to do is put
> the 12-byte cleanmarker node at the beginning of the first block and it'd
> be sufficient.

This is ugly.

> You could do this with a suitable 'echo' command.

This is ridiculous, especially when the fix is probably about a one or two
line change in JFFS2 code.  I'm currently looking at it.  Expect the diff
soon.

Let's avoid the hassle of requiring people to need yet another tool.


Nicolas