[CRIU] [PATCH 1/4] mount: don't apply superblock flags for external mounts

[Pavel Emelyanov]

On 10/26/2016 11:55 PM, Andrei Vagin wrote:
> From: Andrei Vagin <avagin at virtuozzo.com>
> 
> Signed-off-by: Andrei Vagin <avagin at virtuozzo.com>
> ---
>  criu/mount.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/criu/mount.c b/criu/mount.c
> index 90b6084..6ed70ad 100644
> --- a/criu/mount.c
> +++ b/criu/mount.c
> @@ -1729,7 +1729,7 @@ static int do_new_mount(struct mount_info *mi)
>  		goto out;
>  	}
>  
> -	if (remount_ro && mount(NULL, mi->mountpoint, tp->name,
> +	if (!mi->is_ns_root && !mi->external && remount_ro) {
>  				     MS_REMOUNT | MS_RDONLY, NULL)) {

This won't even compile %)

>  		pr_perror("Unable to apply mount options");
>  		return -1;
>