Re: [RFC PATCH] overlayfs: add OVL_IOC_GETINFOFD ioctl that opens ovlinfofd

From: Miklos Szeredi
Date: Tue Oct 06 2020 - 05:54:46 EST


On Mon, Oct 5, 2020 at 9:40 PM Alexander Mikhalitsyn
<alexander.mikhalitsyn@xxxxxxxxxxxxx> wrote:

> Oh, yes, it's just another one choice for us ;)
> I decided to create ioctl which opens fd for transferring
> data about overlayfs.
> Sure, let's look on sys fs. I will dive into it!

Or maybe use fsinfo(2) or whatever it's going to be called?

That one seems stuck at the moment, but having a clear set of use
cases can possibly help move it forward.

Thanks,
Miklos