[U-Boot] JFFS2-Summary support for u-boot

Joakim Tjernlund joakim.tjernlund at transmode.se
Mon Sep 29 11:34:53 CEST 2008


On Mon, 2008-09-29 at 08:45 +0000, Michael Lawnick wrote:
> Hi *,
> 
> please feel free to correct me if I tell sh**:
> As far as I was told, bad JFFS2 boot performance of u-boot is result of not
> supporting summary. (Because there is no JFFS2 but only JFFS support?)

It is not missing SUMMARY, it is excessive scanning of empty flash
blocks. Look at jffs2/scan.c, it only scan the first 4KB or before
declaring the block empty.

 Jocke


More information about the U-Boot mailing list