X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=discover%2Fdevice-handler.c;h=82230154ba77d9a314f50d3a41fe184837197d40;hb=e3f78333a2a16760d6a497b84329c103208e921e;hp=4e1b3ca77fc0f447bfd0febfdf66db22c7121ed6;hpb=b9b5fa357e5921eb752e62f7146339007d9f767f;p=petitboot

diff --git a/discover/device-handler.c b/discover/device-handler.c
index 4e1b3ca..8223015 100644
--- a/discover/device-handler.c
+++ b/discover/device-handler.c
@@ -1356,7 +1356,7 @@ static void process_url_cb(struct load_url_result *result, void *data)
 
 	mac = event_get_param(event, "mac");
 	char *url = talloc_asprintf(event, "file://%s", result->local);
-	event_set_param(event, "pxeconffile", url);
+	event_set_param(event, "pxeconffile-local", url);
 
 	dev = discover_device_create(handler, mac, event->device);
 	ctx = device_handler_discover_context_create(handler, dev);
@@ -1792,6 +1792,20 @@ static int mount_device(struct discover_device *dev)
 	rc = try_mount(device_path, dev->mount_path, fstype,
 		       MS_RDONLY | MS_SILENT, dev->ramdisk);
 
+	/* If mount fails clean up any snapshot and try again */
+	if (rc && dev->ramdisk) {
+		pb_log("couldn't mount snapshot for %s: mount failed: %s\n",
+				device_path, strerror(errno));
+		pb_log("falling back to actual device\n");
+
+		devmapper_destroy_snapshot(dev);
+
+		device_path = get_device_path(dev);
+		pb_log("mounting device %s read-only\n", dev->device_path);
+		rc = try_mount(device_path, dev->mount_path, fstype,
+			       MS_RDONLY | MS_SILENT, dev->ramdisk);
+	}
+
 	if (!rc) {
 		dev->mounted = true;
 		dev->mounted_rw = false;
@@ -1803,9 +1817,6 @@ static int mount_device(struct discover_device *dev)
 	pb_log("couldn't mount device %s: mount failed: %s\n",
 			device_path, strerror(errno));
 
-	/* If mount fails clean up any snapshot */
-	devmapper_destroy_snapshot(dev);
-
 	pb_rmdir_recursive(mount_base(), dev->mount_path);
 err_free:
 	talloc_free(dev->mount_path);