[U-Boot] Does uboot EBS(erase block summary) to reduce JFFS2 scaning time?

[Joakim Tjernlund]

HeLei <leon.he at msn.com> wrote on 03/11/2009 10:39:48:
>
>
> > Subject: RE: [U-Boot] Does uboot EBS(erase block summary) to reduce JFFS2
> scaning time?
> > To: leon.he at msn.com
> > CC: u-boot at lists.denx.de
> > From: joakim.tjernlund at transmode.se
> > Date: Tue, 3 Nov 2009 10:29:47 +0100
> >
> > HeLei <leon.he at msn.com> wrote on 03/11/2009 10:21:13:
> > >
> > > Ok, thank you, jocke.
> > > Can you tell me how much time can be saved according to your idea, by your
> experience?
> >
> > Can't remember any figures, but is was lots by not scanning empty space. It all
> > depends on how full your fs is.
>    Thanks, I got it!
>    I think the problem of JFFS2 is it never store the index of file system in
> flash. However  1~2GiB flash is quite popular, how JFFS2 face such situation :(

JFFS2 isn't really suited for such big FS:es and works best on NOR flash.
You should consider some other FS(YAFFS, LogFS, UBIFS etc.). I can't say
which tough as I haven't used any of them.

    Jocke