1 files changed, 9 insertions, 6 deletions

diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index a80a50e445e2..f7bfd3ac8bfa 100644
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -56,15 +56,18 @@ static void jffs2_i_init_once(void *foo)
 static void jffs2_write_super(struct super_block *sb)
 {
         struct jffs2_sb_info *c = JFFS2_SB_INFO(sb);
+
+        lock_super(sb);
         sb->s_dirt = 0;
 
-        if (sb->s_flags & MS_RDONLY)
-                return;
+        if (!(sb->s_flags & MS_RDONLY)) {
+                D1(printk(KERN_DEBUG "jffs2_write_super()\n"));
+                jffs2_garbage_collect_trigger(c);
+                jffs2_erase_pending_blocks(c, 0);
+                jffs2_flush_wbuf_gc(c, 0);
+        }
 
-        D1(printk(KERN_DEBUG "jffs2_write_super()\n"));
-        jffs2_garbage_collect_trigger(c);
-        jffs2_erase_pending_blocks(c, 0);
-        jffs2_flush_wbuf_gc(c, 0);
+        unlock_super(sb);
 }
 
 static int jffs2_sync_fs(struct super_block *sb, int wait)