writeback: Fix some comment errors
Signed-off-by: Wanpeng Li <liwp@linux.vnet.ibm.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
diff --git a/fs/super.c b/fs/super.c
index cf00177..3d65443 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -318,7 +318,7 @@
/*
* grab_super_passive - acquire a passive reference
- * @s: reference we are trying to grab
+ * @sb: reference we are trying to grab
*
* Tries to acquire a passive reference. This is used in places where we
* cannot take an active reference but we need to ensure that the