Author: Alexandros C Couloumbis Date: To: yaffs Subject: Re: [Yaffs]
Problem with Yaffs on Routerboard RB112 and kernel2.6.19
Charles Manning <manningc2 <at> actrix.gen.nz> writes:
> This whole area is unfortunately rather messy. The oob handling in mtd is
> often broken and messy and there are many details to get right. Since jffs2
> does not use oob, changes don't get fixed there unless yaffs-inclided people
> do things.
>
> This leads to people trying to work around problems on the yaffs side which
> might not be the "correct and pure" place to fix these issues, but is often
> the simplest. As a result there is no standard mechanism that works for all.
>
> I do have some inband-tags code which is still experimental (though looks
> pretty robust). This does not use oob for the tags. This makes for simpler
> integration (no oob headaches) - which is a bit of a cop-out. Power-of-2
> alignment is lost which causes some performance loss, but likely not much.
> inband-tags uses yaffs2 mode even on 512-byte page devices which makes
> checkpointing available on 512-byte page devices.
shouldn't these issues be brought to mtd's developers attention and establish a
channel of communication in order not to break yaffs backward compatibility with
devices such as the routerboard 1xx & 5xx?
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