#define _LINUX_LIST_BL_H
#include <linux/list.h>
+#include <linux/bit_spinlock.h>
/*
* Special version of lists, where head of the list has a lock in the lowest
* some fast and compact auxiliary data.
*/
-#if defined(CONFIG_SMP)
+#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
#define LIST_BL_LOCKMASK 1UL
#else
#define LIST_BL_LOCKMASK 0UL
}
}
+static inline void hlist_bl_lock(struct hlist_bl_head *b)
+{
+ bit_spin_lock(0, (unsigned long *)b);
+}
+
+static inline void hlist_bl_unlock(struct hlist_bl_head *b)
+{
+ __bit_spin_unlock(0, (unsigned long *)b);
+}
+
/**
* hlist_bl_for_each_entry - iterate over list of given type
* @tpos: the type * to use as a loop cursor.