[U-Boot-Users] U-boot 1.2.0 JFFS2, and NAND flash

[Jean-Christophe PLAGNIOL-VILLARD]

On 13:55 Wed 17 Oct     , William Juul wrote:
> On two custom designs (ARM and PPC based) we switched from JFFS to YAFFS
> after experiencing the same problem. Now we use YAFFS in U-Boot and Linux.
> 
> Since YAFFS is very fast we saw no reason to partition the device and
> we have one
> partition on 1 and 2 GB respectively. The scan/mount times are almost
> negligible when
> using checkpoints. Without checkpoints we are still experiencing
> scan/mount times
> below/around 1s.
> 
> Implementing YAFFS on U-boot and Linux we had problems configuring YAFFS/MTD
> in such a way that we could use the same partition in both places.
> That made us upgrade
> MTD in U-boot to correspond with our version of Linux. I will suggest
> an upgrade of U-boot
> MTD in a separate thread. However, if you are only using a
> boot-partition from U-boot you
> should not experience such problems.
> 
An other file system is faster than YAFFS, it's LOGFS which is accepted
to be integradted in the kernel tree.

Best Regards

J.