rpc: Add "cgroup root" fields to criu_opts

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Acked-by: Tycho Andersen <tycho.andersen@canonical.com>

cr-service.c

@@ -24,6 +24,7 @@
 #include "page-xfer.h"
 #include "net.h"
 #include "mount.h"
+#include "cgroup.h"
 
 unsigned int service_sk_ino = -1;
 
@@ -301,6 +302,12 @@ static int setup_opts_from_req(int sk, CriuOpts *req)
 			return -1;
 	}
 
+	for (i = 0; i < req->n_cg_root; i++) {
+		if (new_cg_root_add(req->cg_root[i]->ctrl,
+					req->cg_root[i]->path))
+			return -1;
+	}
+
 	if (req->has_cpu_cap)
 		opts.cpu_cap = req->cpu_cap;
 

protobuf/rpc.proto

@@ -14,6 +14,11 @@ message ext_mount_map {
 	required string		val	= 2;
 };
 
+message cgroup_root {
+	optional string		ctrl	= 1;
+	required string		path	= 2;
+};
+
 message criu_opts {
 	required int32			images_dir_fd	= 1;
 	optional int32			pid		= 2; /* if not set on dump, will dump requesting process */
@@ -46,6 +51,7 @@ message criu_opts {
 
 	repeated ext_mount_map		ext_mnt		= 23;
 	optional bool			manage_cgroups	= 24;
+	repeated cgroup_root		cg_root		= 25;
 }
 
 message criu_dump_resp {