Re: Creating an Empty JFFS2 File System

Josh Boyer
2008-03-07T18:37:16Z

On Fri, 07 Mar 2008 09:55:13 -0800
Grant Erickson <gerickson@nuovations.com> wrote:

> Is creating an empty JFFS2 file system supported or is this a deprecated
> capability? The following steps seem to be incorrect or failing:
>
> # flash_eraseall -q -j /dev/mtd9
> # mount -t jffs2 /dev/mtdblock9 /mnt
> Cowardly refusing to erase blocks on filesystem with no valid JFFS2
> nodes
> empty_blocks 0, bad_blocks 0, c->nr_blocks 3840
>
> Or, is the only way to accomplish this to create a NULL JFFS2 image with
> mkfs.jffs2 and then nandwrite it?

Just erase it completely without the -j option and mount. JFFS2 will go
through and erase them all again and add the cleanmarkers itself.

josh