+static __initdata DECLARE_COMPLETION(setup_done);
+
+static int handle(const char *name, mode_t mode, struct device *dev)
+{
+ if (mode)
+ return handle_create(name, mode, dev);
+ else
+ return handle_remove(name, dev);
+}
+
+static int devtmpfsd(void *p)
+{
+ char options[] = "mode=0755";
+ int *err = p;
+ *err = sys_unshare(CLONE_NEWNS);
+ if (*err)
+ goto out;
+ *err = sys_mount("devtmpfs", "/", "devtmpfs", MS_SILENT, options);
+ if (*err)
+ goto out;
+ sys_chdir("/.."); /* will traverse into overmounted root */
+ sys_chroot(".");
+ complete(&setup_done);
+ while (1) {
+ spin_lock(&req_lock);
+ while (requests) {
+ struct req *req = requests;
+ requests = NULL;
+ spin_unlock(&req_lock);
+ while (req) {
+ req->err = handle(req->name, req->mode, req->dev);
+ complete(&req->done);
+ req = req->next;
+ }
+ spin_lock(&req_lock);
+ }
+ set_current_state(TASK_INTERRUPTIBLE);
+ spin_unlock(&req_lock);
+ schedule();
+ __set_current_state(TASK_RUNNING);
+ }
+ return 0;
+out:
+ complete(&setup_done);
+ return *err;
+}
+