[OE-core] Contents of non-rootfs partitions

Ed Bartosh ed.bartosh at linux.intel.com
Wed Nov 23 13:44:04 UTC 2016


On Wed, Nov 23, 2016 at 02:08:28PM +0100, Kristian Amlie wrote:
> On 23/11/16 13:08, Ed Bartosh wrote:
> > On Tue, Nov 22, 2016 at 12:54:52PM +0100, Kristian Amlie wrote:
> >> On 22/11/16 12:10, Patrick Ohly wrote:
> >>>> ...
> >>>
> >>> All of these introduce some special mechanism. Let me propose something
> >>> that might integrate better with the existing tooling:
> >>>
> >>> The "rootfs" directory gets redefined as representing the entire virtual
> >>> file system. When creating a disk image, it gets split up into different
> >>> partitions based on the image configuration.
> >>>
> >>> For example, the /home or /data directories in the rootfs could hold the
> >>> content that in some image configurations goes into separate partitions.
> >>>
> >>> The advantage of this approach is that the tooling for staging content
> >>> for image creation does not need to be changed. The same staged content
> >>> then can be used to create different images, potentially even using
> >>> different partition layouts.
> >>
> >> That's a very good idea. I think it beats all of my suggestions!
> >>
> >>> To implement this approach with wic, wic needs to be taught how to
> >>> exclude directories from the main rootfs. Ideally, the mkfs.* tools
> >>> should also support that without having to make an intermediate copy of
> >>> the files for a certain partition, but initially wic could create
> >>> temporary directory trees.
> >>
> >> Yes, some work would be needed here, but ultimately it would be contained within wic and related tools, which is a good thing.
> >>
> > 
> > I support the idea. Let's discuss the details of implementation and
> > create a bug in bugzilla to track the development 
> 
> Do you want me to create the ticket? (it'll be my first, so apologies in
> advance if I omit something important)
> 
Yes, please create an issue in bugzilla and assign it to me. Don't
worry. If you miss something other people will point to in in the
comments :)

--
Regards,
Ed



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