Thanks, Charles,
On 8/4/05, Charles Manning <
manningc2@actrix.gen.nz> wrote:
> On Wednesday 03 August 2005 18:08, zhy78 wrote:
> > Hi, YAFFS guys,
> >
> > MLC NAND doesn't allow consecutive partial program in main area and
> > spare area. So how to mark an invalid data?
>
> YAFFS1 does do overwriting for one purpose only: marking invalid chunks.
>
> YAFFS2 does not do any overwriting. MLC was one of the reasons for this.
>
>
> Will YAFFS1 work with MLC? Perhaps. If the corruption is limited to the page
> that is marked invalid, then it does not really matter since the data is no
> longer of interest anyway. The only caveat to this would be if it hammers the
> bits that make it look like a bad block.
>
>
> -- Charles
>
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