Re: [RFC PATCH] rootfs: Use tmpfs for rootfs even if root= is given

From: Greg Kroah-Hartman
Date: Wed Nov 01 2023 - 10:28:12 EST


On Wed, Nov 01, 2023 at 10:16:37AM -0400, Stefan Berger wrote:
>
>
> On 11/1/23 07:35, Rob Landley wrote:
> > On 10/31/23 11:56, Greg Kroah-Hartman wrote:
> > > On Tue, Oct 31, 2023 at 11:44:17AM -0400, Stefan Berger wrote:
> > > > rootfs currently does not use tmpfs if the root= boot option is passed
> > > > even though the documentation about rootfs (added in 6e19eded3684) in
> > > > Documentation/filesystems/ramfs-rootfs-initramfs.rst states:
> > > >
> > > > If CONFIG_TMPFS is enabled, rootfs will use tmpfs instead of ramfs by
> > > > default. To force ramfs, add "rootfstype=ramfs" to the kernel command
> > > > line.
> > >
> > > At this point in time, is there even any difference between ramfs and
> > > tmpfs anymore? Why would you want to choose one over the other here?
> >
> > I submitted a patch to fix this to the list multiple times, which got ignored as
> > always. Most recently here:
> >
> > https://lore.kernel.org/lkml/8244c75f-445e-b15b-9dbf-266e7ca666e2@xxxxxxxxxxx/
>
> Everyone,
> I now responded to Rob's patch over here:
> https://lkml.org/lkml/2023/11/1/333

Note, we can't do anything with lkml.org links, they don't even work at
times, please always use lore.kernel.org

Also, one patch out of a longer series also will not work as we can't
pick it up from there either.

Can someone resend it, as a stand-alone patch, with the proper people
cc:ed and then we can handle that. You all know this...

thanks,

greg k-h

>
>
> >
> > Rob