mounting ubifs read-only, is it really readonly, not any wirte/erase?

[Artem Bityutskiy]

On Thu, 2013-05-16 at 13:36 +0000, Caizhiyong wrote:
>     I'm using ubifs as root filesystem, and mounted readonly.
> 
>     bootargs are:
>         console=ttyAMA0,115200 ubi.mtd=3 root=ubi0:ubifs ro rootfstype=ubifsmtdparts=hi_sfc:-(spi);hinand:10M(10M),50M(50M),50M(50M),-(data)
>     
>     I'm update ubi.img in uboot used command "nand write xxxx", but when kernel (linux 3.4) startup, there are some write/erase operation.
> 
>     I'm add prints to the following functions:

Hi, I do not think I fully understand what is the problem, but it looks
like you need to re-formulate it more carefully, and re-send with u-boot
mailing list in CC.

-- 
Best Regards,
Artem Bityutskiy