Re: [RFC] read-only filesystem support for NAND flash devices

Atsushi Nemoto
2006-05-10T17:03:58Z

On Wed, 10 May 2006 06:00:57 -0500, "Josh Boyer" <jwboyer@gmail.com> wrote:
> Not quite the case. You need bad block skipping, yes. But NAND can
> get bit flips in good blocks still. How do you deal with that? You
> can't leave the block in that state forever because it will continue
> to get bit flips and then your data will be unusable.

If I mounted a JFFS2 filesystem on NAND and _never_ write anything (or
mounted read-only), does current MTD/NAND/JFFS2 layer handle those bit
flips? I've thought JFFS2 only reassign blocks on writing, so JFFS2
also suffer those "bit flips on read" problem, is it right?

---
Atsushi Nemoto