Merge branch 'master' of https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git

2 files changed, 12 insertions, 13 deletions

diff --git a/include/linux/rhashtable-types.h b/include/linux/rhashtable-types.h
index 57c11ec9dc64..0e1b172a4f6c 100644
--- a/include/linux/rhashtable-types.h
+++ b/include/linux/rhashtable-types.h
@@ -97,6 +97,9 @@ struct rhashtable {
 #ifdef CONFIG_MEM_ALLOC_PROFILING
 	struct alloc_tag		*alloc_tag;
 #endif
+#ifdef CONFIG_LOCKDEP
+	struct lock_class_key		*lockdep_key;
+#endif
 };
 
 /**
diff --git a/include/linux/rhashtable.h b/include/linux/rhashtable.h
index 57a2a29bef0e..6c5e6d9accba 100644
--- a/include/linux/rhashtable.h
+++ b/include/linux/rhashtable.h
@@ -319,18 +319,6 @@ static inline struct rhash_lock_head __rcu **rht_bucket_insert(
  * When we write to a bucket without unlocking, we use rht_assign_locked().
  */
 
-static inline unsigned long rht_lock(struct bucket_table *tbl,
-				     struct rhash_lock_head __rcu **bkt)
-	__acquires(__bitlock(0, bkt))
-{
-	unsigned long flags;
-
-	local_irq_save(flags);
-	bit_spin_lock(0, (unsigned long *)bkt);
-	lock_map_acquire(&tbl->dep_map);
-	return flags;
-}
-
 static inline unsigned long rht_lock_nested(struct bucket_table *tbl,
 					struct rhash_lock_head __rcu **bucket,
 					unsigned int subclass)
@@ -340,10 +328,18 @@ static inline unsigned long rht_lock_nested(struct bucket_table *tbl,
 
 	local_irq_save(flags);
 	bit_spin_lock(0, (unsigned long *)bucket);
-	lock_acquire_exclusive(&tbl->dep_map, subclass, 0, NULL, _THIS_IP_);
+	/* subclass 0 is used for ->lock and 1 for ->mutex. 2+ for bitlocks */
+	lock_acquire_exclusive(&tbl->dep_map, subclass+2, 0, NULL, _THIS_IP_);
 	return flags;
 }
 
+static inline unsigned long rht_lock(struct bucket_table *tbl,
+				     struct rhash_lock_head __rcu **bkt)
+	__acquires(__bitlock(0, bkt))
+{
+	return rht_lock_nested(tbl, bkt, 0);
+}
+
 static inline void rht_unlock(struct bucket_table *tbl,
 			      struct rhash_lock_head __rcu **bkt,
 			      unsigned long flags)