From b1d5d64a7cf48415da13b5e1848eb117af4a2086 Mon Sep 17 00:00:00 2001
From: Vladislav Bolkhovitin <vst@vlnb.net>
Date: Thu, 3 Oct 2013 04:24:25 +0000
Subject: [PATCH] Add list_entry_in_list()

git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5017 d57e44dd-8a1f-0410-8b47-8ef2f437770f
---
 scst/include/scst.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/scst/include/scst.h b/scst/include/scst.h
index 1b23824b9..7a2c38847 100644
--- a/scst/include/scst.h
+++ b/scst/include/scst.h
@@ -174,6 +174,15 @@ static inline unsigned int queue_max_hw_sectors(struct request_queue *q)
 #define __list_for_each list_for_each
 #endif
 
+/*
+ * Returns true if entry is in its list. Entry must be deleted from the
+ * list by using list_del_init()!
+ */
+static inline bool list_entry_in_list(const struct list_head *entry)
+{
+	return !list_empty(entry);
+}
+
 #define SCST_INTERFACE_VERSION	    \
 		SCST_VERSION_STRING "$Revision$" SCST_CONST_VERSION