Re: JFFS3 & performance

Artem B. Bityuckiy
2005-01-13T16:16:35Z

On Thu, 13 Jan 2005, [iso-8859-1] Jörn Engel wrote:

> On Thu, 13 January 2005 15:49:09 +0000, David Woodhouse wrote:
> > On Thu, 2005-01-13 at 16:40 +0100, Jörn Engel wrote:
> > >
> > > 2) Last node per erase block is a special endmarker node, similar to
> > > cleanmarkers.
> > >
> > > 3) During unmount, an endmarker is written to the end of all
> > > partially-filled erase blocks.
> >
> > This ties in quite nicely with the checkpointing where such a per-block
> > 'endmarker' would contain a summary of what the mount code would glean
> > by reading through that eraseblock.
>
> Sounds like "design makes sense, please send patches". :)
>
> Would this also allow us to use adler32/adler32r as checksum
> algorithm?
IMHO:
Keeping CRC at the end still makes sence.

>
> Jörn
>
> --
> Write programs that do one thing and do it well. Write programs to work
> together. Write programs to handle text streams, because that is a
> universal interface.
> -- Doug MacIlroy
>

--
Best Regards,
Artem B. Bityuckiy,
St.-Petersburg, Russia.