How stable is jffs2 summarize option?

Thorsten Mühlfelder muehlfelder at
Tue Jun 1 05:26:23 EDT 2010

Am Tuesday 01 June 2010 11:15:15 schrieb David Woodhouse:
> On Mon, 2010-05-31 at 15:03 +0200, Thorsten Mühlfelder wrote:
> > to reduce boot time of a device I want to use the jffs2 summarize option
> > on my root file system. Currently 'm using Linux 2.6.24 on that specific
> > device and the summarize option is marked as "experimental", so I wonder
> > if it is stable enough for a productive system?
> > Are there any well known devices that use this option, too?
> > Do I have to use a newer kernel version?
> There are other reasons why you should update from 2.6.24 if you're
> using JFFS2, but I don't think the summary code has changed much since
> then. The only reason it was still marked as 'experimental' is because I
> wanted to optimise the on-medium format.


and what do you think about switching to yaffs2? I know it is developed 
elsewhere, but it seems to be a good alternative to jffs2+summary and 
probably switching is easier than to ubifs.

Best regards

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