[Libguestfs] [PATCH v3 0/6] launch: direct: Disable qemu locking when opening drives readonly.

[Roman Kagan]

On Tue, Sep 12, 2017 at 06:04:18PM +0100, Richard W.M. Jones wrote:
> v2 -> v3:
> 
>  - I addressed everything that Pino mentioned last time.
> 
>  - It's tricky to get a stable run when multiple copies of qemu are
>    involved, because the same cache files get overwritten by parallel
>    libguestfs.  So I changed the names of the cache files to include
>    the qemu binary key (size, mtime), which removes this conflict.
>    This is in new patch 4/6.

Sorry I must have missed the motivation part so could you please remind
why locking needed to be turned off?

Thanks,
Roman.