Re: [PATCH] Invert the NETNS checkpoint flag

[Oren Laadan <orenl-eQaUEPhvms7ENvBUuze7eA@public.gmane.org>]

Applied for ckpt-v21-rc3.

Dan Smith wrote:
> Change CHECKPOINT_NONETNS to CHECKPOINT_NETNS.  This makes it the default
> to ignore network namespaces and devices, unless specifically asked for
> by the caller.
> 
> Signed-off-by: Dan Smith <danms-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
> ---
>  include/linux/checkpoint.h |    4 ++--
>  kernel/nsproxy.c           |    4 ++--
>  2 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/include/linux/checkpoint.h b/include/linux/checkpoint.h
> index 6da0a2e..96693e2 100644
> --- a/include/linux/checkpoint.h
> +++ b/include/linux/checkpoint.h
> @@ -14,7 +14,7 @@
>  
>  /* checkpoint user flags */
>  #define CHECKPOINT_SUBTREE	0x1
> -#define CHECKPOINT_NONETNS	0x2
> +#define CHECKPOINT_NETNS	0x2
>  
>  /* restart user flags */
>  #define RESTART_TASKSELF	0x1
> @@ -59,7 +59,7 @@ extern long do_sys_restart(pid_t pid, int fd,
>  /* ckpt_ctx: uflags */
>  #define CHECKPOINT_USER_FLAGS \
>  	(CHECKPOINT_SUBTREE | \
> -	 CHECKPOINT_NONETNS)
> +	 CHECKPOINT_NETNS)
>  
>  #define RESTART_USER_FLAGS  \
>  	(RESTART_TASKSELF | \
> diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
> index c19f5fa..041fb09 100644
> --- a/kernel/nsproxy.c
> +++ b/kernel/nsproxy.c
> @@ -249,7 +249,7 @@ int ckpt_collect_ns(struct ckpt_ctx *ctx, struct task_struct *t)
>  	if (ret < 0)
>  		goto out;
>  #ifdef CONFIG_NETNS_CHECKPOINT
> -	if (!(ctx->uflags & CHECKPOINT_NONETNS))
> +	if (ctx->uflags & CHECKPOINT_NETNS)
>  		ret = ckpt_obj_collect(ctx, nsproxy->net_ns, CKPT_OBJ_NET_NS);
>  	if (ret < 0)
>  		goto out;
> @@ -295,7 +295,7 @@ static int do_checkpoint_ns(struct ckpt_ctx *ctx, struct nsproxy *nsproxy)
>  		goto out;
>  	h->ipc_objref = ret;
>  #ifdef CONFIG_NETNS_CHECKPOINT
> -	if (!(ctx->uflags & CHECKPOINT_NONETNS))
> +	if (ctx->uflags & CHECKPOINT_NETNS)
>  		ret = checkpoint_obj(ctx, nsproxy->net_ns, CKPT_OBJ_NET_NS);
>  	else
>  		ret = 0;