Merge branches 'sched/devel', 'sched/cpu-hotplug', 'sched/cpusets' and 'sched/urgent...

[linux-2.6-omap-h63xx.git] / fs / ubifs / io.c

diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c
index 3374f91b67091f9516c4909b41889fd9f2a3912e..054363f2b207398ff6110fa74a7333d84d43dbc4 100644 (file)
--- a/fs/ubifs/io.c
+++ b/fs/ubifs/io.c
@@ -53,6 +53,20 @@
 #include <linux/crc32.h>
 #include "ubifs.h"
 
+/**
+ * ubifs_ro_mode - switch UBIFS to read read-only mode.
+ * @c: UBIFS file-system description object
+ * @err: error code which is the reason of switching to R/O mode
+ */
+void ubifs_ro_mode(struct ubifs_info *c, int err)
+{
+       if (!c->ro_media) {
+               c->ro_media = 1;
+               ubifs_warn("switched to read-only mode, error %d", err);
+               dbg_dump_stack();
+       }
+}
+
 /**
  * ubifs_check_node - check node.
  * @c: UBIFS file-system description object