[Virtio-fs] [RFC 2/2] virtiofsd: Set st_rdev for sub-mount points

[Miklos Szeredi]

On Thu, May 7, 2020 at 5:15 PM Max Reitz <mreitz at redhat.com> wrote:
>
> On 07.05.20 16:29, Miklos Szeredi wrote:

> > Hmm, do we need a separate bit, then?  Couldn't the kernel decide
> > based on st_dev whether a new submount is needed?  I.e. return root
> > st_dev in INIT reply, store it in root fuse_mount and lookups compare
> > attr.dev to fm->st_dev.
>
> That was the idea, but there is no fuse_attr.dev, which is why I
> (ab)used fuse_attr.rdev instead.

Ah, right.

Thanks,
Miklos