Re: [yocto] Btrfs root filesystem permission issue

[Gyorgy Sarvari <skandigraun@gmail.com>]

On 01.03.25 16:56, Lander0606 via Lists.Yoctoproject.Org wrote:
> Thanks for your response!
>  
> I did have a look at the pseudo and btrfs-progs repository and noticed
> that the pseudo repository contains the following code in
> ./ports/unix/guts/ for the nftw() system call:
>  
> rc = real_nftw(path, fn, nopenfd, flag);
>  
> So, it seems that the wrapper for the nftw() system call just forwards
> it to the underlying system (the host, right?). Is that the reason why
> the btrfs filesystem creation does work, but files are owned by the
> build host user?
> I'm guessing there need to be some code around it to support the "fake
> root environment" that pseudo is trying to achieve?
Yes, pretty much. I don't know from the top of my head if the
ports/unix/* files are used in Linux env at all, but regardless, your
understanding looks correct to me and I think you summarized the issue
pretty well.