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Re: [libvirt] [PATCH] kvm tools: Introduce an ENV variable for the state dir



On Fri, Nov 11, 2011 at 07:57:00PM +0800, Osier Yang wrote:
> Which is named as "KVMTOOL_STATE_DIR", so that the user can
> configure the path of state directly as he wants.
> ---
>  tools/kvm/main.c |    7 ++++++-
>  1 files changed, 6 insertions(+), 1 deletions(-)
> 
> diff --git a/tools/kvm/main.c b/tools/kvm/main.c
> index 05bc82c..37b2b1d 100644
> --- a/tools/kvm/main.c
> +++ b/tools/kvm/main.c
> @@ -13,7 +13,12 @@ static int handle_kvm_command(int argc, char **argv)
>  
>  int main(int argc, char *argv[])
>  {
> -	kvm__set_dir("%s/%s", HOME_DIR, KVM_PID_FILE_PATH);
> +	char *state_dir = getenv("KVMTOOL_STATE_DIR");
> +
> +	if (state_dir)
> +		kvm__set_dir("%s", state_dir);
> +	else
> +		kvm__set_dir("%s/%s", HOME_DIR, KVM_PID_FILE_PATH);
>  
>  	return handle_kvm_command(argc - 1, &argv[1]);
>  }

As per my comments in the first patch, I don't think this is critical
for libvirt's needs. We should just honour the default location that
the KVM tool uses, rather than forcing a libvirt specific location.


Daniel
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