On Tue, Jan 7, 2020 at 11:07 AM Martin Kolman
<mkolman(a)redhat.com> wrote:
> On Mon, 2020-01-06 at 16:35 -0800, Brian C. Lane wrote:
> > On Sun, Jan 05, 2020 at 10:08:07AM -0700, Chris Murphy wrote:
> > > I've pretty much concluded Fedora is best off dropping the nested
ext4
> > > in favor of plain squashfs, and using zstd. It's not required to do
> > > both, but the benefit is additive and significant. The work in dracut
> > > and lorax to support plain squashfs, assembling it using overlayfs
> > > instead of device-mapper is already done, and tested.
>
> > I agree with Chris here, I think we should make the
switch to plain
> > squashfs unless someone can come up something dramatic that it will
> > break :) Tweaking the current settings would be fine if we didn't have a
> > better, simpler, solution.
>
> > A side note about the xz bcj compression -- in some
experiments I
> > noticed that enabling x86 and armthumb resulted in further reduction
> > (about 400k with the default block size). My guess was due to use of ARM
> > instructions in the firmware blobs.
> Also does squashfs support zstd compression ?
Yes, that's what I was referring to in the first sentence quoted above.
Oh
right, now I see it. :D In any case, nice! :)