wake up s_wait_unfrozen when ->freeze_fs fails
[linux-2.6.git] / fs / super.c
index de41e1e..6015c02 100644 (file)
@@ -1186,6 +1186,8 @@ int freeze_super(struct super_block *sb)
                        printk(KERN_ERR
                                "VFS:Filesystem freeze failed\n");
                        sb->s_frozen = SB_UNFROZEN;
+                       smp_wmb();
+                       wake_up(&sb->s_wait_unfrozen);
                        deactivate_locked_super(sb);
                        return ret;
                }