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Diffstat (limited to 'include/linux/rhashtable-types.h')
-rw-r--r--include/linux/rhashtable-types.h27
1 files changed, 23 insertions, 4 deletions
diff --git a/include/linux/rhashtable-types.h b/include/linux/rhashtable-types.h
index 015c8298bebc..57c11ec9dc64 100644
--- a/include/linux/rhashtable-types.h
+++ b/include/linux/rhashtable-types.h
@@ -12,6 +12,7 @@
#include <linux/alloc_tag.h>
#include <linux/atomic.h>
#include <linux/compiler.h>
+#include <linux/irq_work_types.h>
#include <linux/mutex.h>
#include <linux/workqueue_types.h>
@@ -49,6 +50,7 @@ typedef int (*rht_obj_cmpfn_t)(struct rhashtable_compare_arg *arg,
* @head_offset: Offset of rhash_head in struct to be hashed
* @max_size: Maximum size while expanding
* @min_size: Minimum size while shrinking
+ * @insecure_elasticity: Set to true to disable chain length checks
* @automatic_shrinking: Enable automatic shrinking of tables
* @hashfn: Hash function (default: jhash2 if !(key_len % 4), or jhash)
* @obj_hashfn: Function to hash object
@@ -61,6 +63,7 @@ struct rhashtable_params {
u16 head_offset;
unsigned int max_size;
u16 min_size;
+ bool insecure_elasticity;
bool automatic_shrinking;
rht_hashfn_t hashfn;
rht_obj_hashfn_t obj_hashfn;
@@ -75,6 +78,7 @@ struct rhashtable_params {
* @p: Configuration parameters
* @rhlist: True if this is an rhltable
* @run_work: Deferred worker to expand/shrink asynchronously
+ * @run_irq_work: Bounces the @run_work kick through hard IRQ context.
* @mutex: Mutex to protect current/future table swapping
* @lock: Spin lock to protect walker list
* @nelems: Number of elements in table
@@ -86,6 +90,7 @@ struct rhashtable {
struct rhashtable_params p;
bool rhlist;
struct work_struct run_work;
+ struct irq_work run_irq_work;
struct mutex mutex;
spinlock_t lock;
atomic_t nelems;
@@ -131,12 +136,26 @@ 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 */