No subject

[Richard Weinberger]

On Fri, Feb 26, 2016 at 2:19 AM, Fredrick Prashanth John Berchmans
<fredrickprashanth at gmail.com> wrote:
> We are using UBIFS on our NOR flash.
> We are observing that a lot of times the filesystem goes to read-only
> unable to recover.
> Most of the time its due to
> a) ubifs_scan_a_node failing due to bad crc or unclean free space.
> b) ubifs_leb_write failing to erase due to erase timeout
>
> [ The above would have happened due to unclean power cuts. In our
> environment this happens often ]
>
> I checked the code in jffs2. Looking at jffs2 code it looks like jffs2
> tolerates the above two
> failures and moves on without mounting read-only.
> Is my understanding right ?
>
> Could we change the ubifs_scan_a_node to skip corrupted bytes and move
> to next node,
> instead of returning error ?

Not without a detailed analysis what exactly is going on.
It sounds more like ad-hoc hack. :-)

-- 
Thanks,
//richard