[U-Boot] Booting kernel from NAND flash on AT91SAM9 custom board using fsload
Wolfgang Denk
wd at denx.de
Wed Mar 30 10:54:26 CEST 2011
Dear Joakim Tjernlund,
In message <OFA7DEB7BE.7D093C64-ONC1257863.0027BEFD-C1257863.00281994 at transmode.se> you wrote:
>
> JFFS2 deprecated? It is very stable and works well for NOR based filesystems.
Yes, we consider it deprecated, and we do not use it in any new
projects / products.
> Do you use UBIFS for NOR as well these days?
Yes, we do. [And yes, we know about the problems it has in certain
configurations, but 1) these are pretty rare these days and 2) we are
working on fixes.]
> > JFFS2 has always been slow, especially when mounting larger file
> > systems. This is one of the resons we recommend UBIFS instead.
>
> The u-boot impl. is a bad version of the one in linux. The u-boot
> version should be rewritten/fixed to match current Linux.
Patches welcome.
Nevertheless, the Linux mount times for JFFS2 are still slower than
UBIFS times, aren't they?
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
"A fractal is by definition a set for which the Hausdorff Besicovitch
dimension strictly exceeds the topological dimension."
- Mandelbrot, _The Fractal Geometry of Nature_
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