linux/hashtable.h: Added compat_hash_for_each

Signed-off-by: Vladimir Sokolovsky <vlad@mellanox.com>

diff --git a/include/linux/hashtable.h b/include/linux/hashtable.h
index f941e992bac9fdded50f78067447f8d7829f6589..5a2515e28c5efa1daa021bd3ffad106d1ba5ee9f 100644 (file)
--- a/include/linux/hashtable.h
+++ b/include/linux/hashtable.h
@@ -86,6 +86,20 @@ static inline void hash_del(struct hlist_node *node)
        hlist_del_init(node);
 }
 
+#define compat_hash_for_each(name, bkt, obj, member)                           \
+       for ((bkt) = 0, obj = NULL; obj == NULL && (bkt) < HASH_SIZE(name);\
+                       (bkt)++)\
+               compat_hlist_for_each_entry(obj, &name[bkt], member)
+
+#else /* hash_init */
+
+#ifndef HAVE_HLIST_FOR_EACH_ENTRY_3_PARAMS
+#define compat_hash_for_each(hash, bkt, e, node) \
+       hash_for_each(hash, bkt, hlnode, e, node)
+#else
+#define compat_hash_for_each hash_for_each
+#endif
+
 #endif /* hash_init */
 
 #endif /* COMPAT_LINUX_HASHTABLE_H */