[Devel] [PATCH] ploop: Disable ioctl(PLOOP_IOC_BALLOON)

[Kirill Tkhai]

Please, ignore this, I'll send another patch.

On 09.04.2019 19:43, Kirill Tkhai wrote:
> This ioctl enters in discard maintaince mode
> in hidden way. The discard logic is rewritten,
> so we disable it.
> 
> Signed-off-by: Kirill Tkhai <ktkhai at virtuozzo.com>
> ---
>  drivers/block/ploop/dev.c |    2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/block/ploop/dev.c b/drivers/block/ploop/dev.c
> index 815c74438dd6..75e00b5dc864 100644
> --- a/drivers/block/ploop/dev.c
> +++ b/drivers/block/ploop/dev.c
> @@ -4514,6 +4514,8 @@ static int ploop_balloon_ioc(struct ploop_device *plo, unsigned long arg)
>  	struct ploop_balloon_ctl ctl;
>  	struct ploop_delta *delta = ploop_top_delta(plo);
>  
> +	return -EINVAL;
> +
>  	if (list_empty(&plo->map.delta_list))
>  		return -ENOENT;
>  
>