X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fdevice-handler.c;h=8ad885f68225c031efc6de9b0b9f570776a53662;hp=ce3fc465ec03fadef829052eda8fe1ad8644ed7a;hb=591b8b6d39b2cf3c5a977afe99e3286166565096;hpb=3132110c344c60bbe648b5e1b0473bdec101d111

diff --git a/discover/device-handler.c b/discover/device-handler.c
index ce3fc46..8ad885f 100644
--- a/discover/device-handler.c
+++ b/discover/device-handler.c
@@ -18,6 +18,7 @@
 #include <process/process.h>
 #include <url/url.h>
 #include <i18n/i18n.h>
+#include <pb-config/pb-config.h>
 
 #include <sys/sysmacros.h>
 #include <sys/types.h>
@@ -393,6 +394,7 @@ void device_handler_reinit(struct device_handler *handler)
 {
 	struct discover_boot_option *opt, *tmp;
 	struct ramdisk_device *ramdisk;
+	struct config *config;
 	unsigned int i;
 
 	device_handler_cancel_default(handler);
@@ -440,6 +442,14 @@ void device_handler_reinit(struct device_handler *handler)
 
 	set_env_variables(config_get());
 
+	/* If the safe mode warning was active disable it now */
+	if (config_get()->safe_mode) {
+		config = config_copy(handler, config_get());
+		config->safe_mode = false;
+		config_set(config);
+		discover_server_notify_config(handler->server, config);
+	}
+
 	device_handler_reinit_sources(handler);
 }
 
@@ -1782,6 +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;
@@ -1793,9 +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);