Latest UBI/UBIFS requires DebugFs?

[Bill Pringlemeir]

Arrgh.  Sorry for this noise.  I missed this post,

http://lists.infradead.org/pipermail/linux-mtd/2012-June/042091.html

I guess I need to apply those patches to the back port.

On  7 Jun 2012, bpringle at sympatico.ca wrote:


> I have pulled the latest UBI/UBIFS from
> git://git.infradead.org/users/dedekind/ubifs-v2.6.36.git.  I think that
> the same issue may exist on the head.
>
> If your root device is ubifs and you do not configure with
> CONFIG_DEBUG_FS, then several functions will fail and the root will not
> be mounted.  Depending on other configurations, you might not get any
> error messages.
>
> It appears that ubi_debugfs_init_dev, ubi_debugfs_init,
> dbg_debugfs_init_fs, and dbg_debugfs_init rely on DEBUGFS and return
> errors when creating DEBUGFS files.
>
> I think either we could conditionalize these functions to return 0 when
> DEBUGFS is not present or use a '#error UBI/UBIFS not supported without
> DebugFs'.
>
> I think maybe this was an over zealous commit to get good bug reports
> and the DEBUGFS itself is not needed, but just the other printk stuff in
> the debug.c files?
>
> I can submit a patch, but I think the explanation above is probably
> enough for someone else with a better understanding of the structure.
>
> Regards,
> Bill Pringlemeir.