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Re: [Qemu-block] [Qemu-devel] Raw notes from a small block layer/QAPI/so
From: |
Kashyap Chamarthy |
Subject: |
Re: [Qemu-block] [Qemu-devel] Raw notes from a small block layer/QAPI/something pre-christmas meeting |
Date: |
Wed, 20 Dec 2017 11:44:36 +0100 |
User-agent: |
NeoMutt/20171027 |
On Mon, Dec 18, 2017 at 11:11:00AM +0100, Markus Armbruster wrote:
> Max Reitz <address@hidden> writes:
[...]
Thanks, Max, for the detailed notes.
> > Image creation in qemu-system-* vs. qemu-img:
> > In order to get proper introspection for qemu-img create, we need a
> > QAPI schema. If we have a QAPI schema, we might as well add
> > blockdev-create to QMP.
> > As long as we do not have a really-none (null, void, ...) machine type
> > for qemu-system-*, launching such a process just for creating an image
> > will bring quite a bit of overhead (e.g. with -M none -accel qtest).
> > However, as for libvirt, this is not exactly a regression since
> > libvirt currently cannot create images at all (apart from implicitly
> > through drive-mirror etc.). Further work on voidifying qemu-system-*
> > will improve performance.
>
> Another thought: do we want to give qemu-system-* the necessary
> privileges for creating images? Two cases: running with and without a
> guest.
Related: Just curious -- was it an explicit design decision to not give
`qemu-system-*` permissions to create disk images?
[...]
--
/kashyap
- [Qemu-block] Raw notes from a small block layer/QAPI/something pre-christmas meeting, Max Reitz, 2017/12/15
- Re: [Qemu-block] [Qemu-devel] Raw notes from a small block layer/QAPI/something pre-christmas meeting, Markus Armbruster, 2017/12/18
- Re: [Qemu-block] [Qemu-devel] Raw notes from a small block layer/QAPI/something pre-christmas meeting,
Kashyap Chamarthy <=
- Re: [Qemu-block] [Qemu-devel] Raw notes from a small block layer/QAPI/something pre-christmas meeting, Daniel P. Berrange, 2017/12/20
- Re: [Qemu-block] [Qemu-devel] Raw notes from a small block layer/QAPI/something pre-christmas meeting, Kashyap Chamarthy, 2017/12/20
- Re: [Qemu-block] [Qemu-devel] Raw notes from a small block layer/QAPI/something pre-christmas meeting, Kevin Wolf, 2017/12/20
- Re: [Qemu-block] [Qemu-devel] Raw notes from a small block layer/QAPI/something pre-christmas meeting, Daniel P. Berrange, 2017/12/20
- Re: [Qemu-block] [Qemu-devel] Raw notes from a small block layer/QAPI/something pre-christmas meeting, Peter Krempa, 2017/12/21
Re: [Qemu-block] [Qemu-devel] Raw notes from a small block layer/QAPI/something pre-christmas meeting, Daniel P. Berrange, 2017/12/20
Re: [Qemu-block] [Qemu-devel] Raw notes from a small block layer/QAPI/something pre-christmas meeting, Vladimir Sementsov-Ogievskiy, 2017/12/22