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Re: [PATCH] Block Devices support for JFFS2



Willy makes a good point. It would be nice to be able to boot a cf-ide
device without any initrd. (not this may not apply to pcmcia-cf-ide
boards). There are cf-ide devices that just plug into an ide cable.
These are the kind I speak of.

willy tarreau wrote:
> 
> > The mtdcore code is tiny.
> >
> >    text          data     bss     dec     hex filename
> >    2259            36      96    2391     957 mtdcore.o
> 
> wow ! quite impressive in fact.
> 
> > Making it appear to mount like any standard FS is
> > useful - either by having a special case to set up
> > the blkmtd driver, or by doing it in mount(8) like
> > we do for the loopback block device. I'd rather not
> > have the whole of the necessary emulation code in
> > JFFS2 itself though.
> 
> I understand this. In my case, this was not really
> "emulation", but rather "redirection", in the sense
> that it's the code which would have been in another
> FS driver, but it's accessed through the c->mtd
> structure instead of a direct access. That's why it's
> really light too. Note that I don't have anything
> against blkdev, I've never tested it and it may be
> more robust and tested than what I have done. I simply
> speak of ease of use. Perhaps all the code to set it
> up automatically will be bigger :-/ I didn't choose
> this approach because I found it complicated to setup
> at boot time for example.
> 
> Willy
> 
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