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

[HeLei]

> 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 10:52:06 +0100
> 
> 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.

  I got it, thanks

> 
>     Jocke
> 
 		 	   		  
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