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Re: [libvirt] [PATCH v4 04/15] qemu_domain: Track if domain remembers original owner




On 11/14/18 7:44 AM, Michal Privoznik wrote:
> For metadata locking we might need an extra fork() which given
> latest attempts to do fewer fork()-s is suboptimal. Therefore,
> there will be a qemu.conf knob to enable or this feature. But

or disable  or just use "{en|dis}able" if you don't want to reformat all
the lines.

> since the feature is actually not metadata locking itself rather
> than remembering of the original owner of the file this is named
> as 'rememberOwner'. But patches for that feature are not even
> posted yet so there is actually no qemu.conf entry in this patch
> nor a way to enable this feature.
> 
> Even though this is effectively a dead code for now it is still
> desired.
> 
> Signed-off-by: Michal Privoznik <mprivozn redhat com>
> ---
>  src/qemu/qemu_conf.h    | 1 +
>  src/qemu/qemu_domain.c  | 7 +++++++
>  src/qemu/qemu_domain.h  | 3 +++
>  src/qemu/qemu_process.c | 3 +++
>  4 files changed, 14 insertions(+)
> 

I suppose we could just create the @priv entry and leave @cfg for later,
but I'm fine with this anyway.

Thanks - I know it's a pain, but I'm sure it'd be even more painful to
get a review on a larger patch series which would actually set/use the
knob as you expect.

Reviewed-by: John Ferlan <jferlan redhat com>

John


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