[PATCH] Speed up mount for cfi_cmdset_0001 users

[Jörn Engel]

On Tue, 27 March 2007 14:27:52 +0200, Joakim Tjernlund wrote:
> On Tue, 2007-03-27 at 13:54 +0200, Jörn Engel wrote:
> > 
> > JFFS2 mount time on OLPC: ~3300ms
> 
> What was the mount time before you applied the patch?

That was in January with the standard OLPC image.  Filesystem contained
the complete rootfs.  I did not optimize anything.

> > LogFS mount time on OLPC: ~60ms
> > 
> > While your works seems useful, pardon me if I don't care too much about
> > JFFS2 anymore. ;)
> 
> :) Keep working, hopefully you can do a better GC as well.
> Since I only do production system ATM, it will be some time
> before I will use LogFS. Does logFS do NAND as well?

In principle.  Mkfs will create a bad block map.  But any blocks
going bad later on remain unhandled.  Write or erase errors simply cause
BUG().

Not there yet, but getting closer.

Jörn

-- 
The strong give up and move away, while the weak give up and stay.
-- unknown