From: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Date: Tue, 22 Dec 2015 01:22:01 +0000 (+0800)
Subject: UBIFS: add a comment in key.h for unused parameter
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=170eb55f7d4ba9564736ba298a7d4985422db4cc;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

UBIFS: add a comment in key.h for unused parameter

Add a comment in key.h to explain why we keep an unused
parameter in key helpers.

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---

diff --git a/fs/ubifs/key.h b/fs/ubifs/key.h
index 92a8491a8f8c..c0a95e393347 100644
--- a/fs/ubifs/key.h
+++ b/fs/ubifs/key.h
@@ -34,6 +34,12 @@
  * node. We use "r5" hash borrowed from reiserfs.
  */
 
+/*
+ * Lot's of the key helpers require a struct ubifs_info *c as the first parameter.
+ * But we are not using it at all currently. That's designed for future extensions of
+ * different c->key_format. But right now, there is only one key type, UBIFS_SIMPLE_KEY_FMT.
+ */
+
 #ifndef __UBIFS_KEY_H__
 #define __UBIFS_KEY_H__