summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--include/linux/rhashtable-types.h22
-rw-r--r--lib/rhashtable.c17
2 files changed, 28 insertions, 11 deletions
diff --git a/include/linux/rhashtable-types.h b/include/linux/rhashtable-types.h
index 015c8298bebc..841021c67d3d 100644
--- a/include/linux/rhashtable-types.h
+++ b/include/linux/rhashtable-types.h
@@ -131,12 +131,26 @@ struct rhashtable_iter {
bool end_of_table;
};
-int rhashtable_init_noprof(struct rhashtable *ht,
- const struct rhashtable_params *params);
+int __rhashtable_init_noprof(struct rhashtable *ht,
+ const struct rhashtable_params *params,
+ struct lock_class_key *key);
+#define rhashtable_init_noprof(ht, params) \
+({ \
+ static struct lock_class_key __key; \
+ \
+ __rhashtable_init_noprof(ht, params, &__key); \
+})
#define rhashtable_init(...) alloc_hooks(rhashtable_init_noprof(__VA_ARGS__))
-int rhltable_init_noprof(struct rhltable *hlt,
- const struct rhashtable_params *params);
+int __rhltable_init_noprof(struct rhltable *hlt,
+ const struct rhashtable_params *params,
+ struct lock_class_key *key);
+#define rhltable_init_noprof(hlt, params) \
+({ \
+ static struct lock_class_key __key; \
+ \
+ __rhltable_init_noprof(hlt, params, &__key); \
+})
#define rhltable_init(...) alloc_hooks(rhltable_init_noprof(__VA_ARGS__))
#endif /* _LINUX_RHASHTABLE_TYPES_H */
diff --git a/lib/rhashtable.c b/lib/rhashtable.c
index 6074ed5f66f3..fb13749d824a 100644
--- a/lib/rhashtable.c
+++ b/lib/rhashtable.c
@@ -1025,8 +1025,9 @@ static u32 rhashtable_jhash2(const void *key, u32 length, u32 seed)
* .obj_hashfn = my_hash_fn,
* };
*/
-int rhashtable_init_noprof(struct rhashtable *ht,
- const struct rhashtable_params *params)
+int __rhashtable_init_noprof(struct rhashtable *ht,
+ const struct rhashtable_params *params,
+ struct lock_class_key *key)
{
struct bucket_table *tbl;
size_t size;
@@ -1036,7 +1037,7 @@ int rhashtable_init_noprof(struct rhashtable *ht,
return -EINVAL;
memset(ht, 0, sizeof(*ht));
- mutex_init(&ht->mutex);
+ mutex_init_with_key(&ht->mutex, key);
spin_lock_init(&ht->lock);
memcpy(&ht->p, params, sizeof(*params));
@@ -1087,7 +1088,7 @@ int rhashtable_init_noprof(struct rhashtable *ht,
return 0;
}
-EXPORT_SYMBOL_GPL(rhashtable_init_noprof);
+EXPORT_SYMBOL_GPL(__rhashtable_init_noprof);
/**
* rhltable_init - initialize a new hash list table
@@ -1098,15 +1099,17 @@ EXPORT_SYMBOL_GPL(rhashtable_init_noprof);
*
* See documentation for rhashtable_init.
*/
-int rhltable_init_noprof(struct rhltable *hlt, const struct rhashtable_params *params)
+int __rhltable_init_noprof(struct rhltable *hlt,
+ const struct rhashtable_params *params,
+ struct lock_class_key *key)
{
int err;
- err = rhashtable_init_noprof(&hlt->ht, params);
+ err = __rhashtable_init_noprof(&hlt->ht, params, key);
hlt->ht.rhlist = true;
return err;
}
-EXPORT_SYMBOL_GPL(rhltable_init_noprof);
+EXPORT_SYMBOL_GPL(__rhltable_init_noprof);
static void rhashtable_free_one(struct rhashtable *ht, struct rhash_head *obj,
void (*free_fn)(void *ptr, void *arg),