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authorDongsheng Yang <yangds.fnst@cn.fujitsu.com>2015-12-22 09:22:01 +0800
committerRichard Weinberger <richard@nod.at>2016-01-10 12:33:30 +0100
commit170eb55f7d4ba9564736ba298a7d4985422db4cc (patch)
treebfdfb53bd8ee40085603c8831d03ea65e048f887 /fs/ubifs/key.h
parent34b89df90374b631692132640c6b3dbef52f808d (diff)
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>
Diffstat (limited to 'fs/ubifs/key.h')
-rw-r--r--fs/ubifs/key.h6
1 files changed, 6 insertions, 0 deletions
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__