move Rust sources to top level, C sources into c_src

[bcachefs-tools-debian] / c_src / libbcachefs / btree_key_cache_types.h

diff --git a/c_src/libbcachefs/btree_key_cache_types.h b/c_src/libbcachefs/btree_key_cache_types.h
new file mode 100644 (file)
index 0000000..290e4e5
--- /dev/null
+++ b/c_src/libbcachefs/btree_key_cache_types.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _BCACHEFS_BTREE_KEY_CACHE_TYPES_H
+#define _BCACHEFS_BTREE_KEY_CACHE_TYPES_H
+
+struct btree_key_cache_freelist {
+       struct bkey_cached      *objs[16];
+       unsigned                nr;
+};
+
+struct btree_key_cache {
+       struct mutex            lock;
+       struct rhashtable       table;
+       bool                    table_init_done;
+
+       struct list_head        freed_pcpu;
+       size_t                  nr_freed_pcpu;
+       struct list_head        freed_nonpcpu;
+       size_t                  nr_freed_nonpcpu;
+
+       struct shrinker         *shrink;
+       unsigned                shrink_iter;
+       struct btree_key_cache_freelist __percpu *pcpu_freed;
+
+       atomic_long_t           nr_freed;
+       atomic_long_t           nr_keys;
+       atomic_long_t           nr_dirty;
+};
+
+struct bkey_cached_key {
+       u32                     btree_id;
+       struct bpos             pos;
+} __packed __aligned(4);
+
+#endif /* _BCACHEFS_BTREE_KEY_CACHE_TYPES_H */