122 #define btree(fn, key, b, op, ...)					\  macro
126 	struct btree *_child = bch_btree_node_get((b)->c, op, key, l,	\
146 		struct btree *_b = (c)->root;				\
163 static inline struct bset *write_block(struct btree *b)  in write_block()
168 static void bch_btree_init_next(struct btree *b)  in bch_btree_init_next()
195 static uint64_t btree_csum_set(struct btree *b, struct bset *i)  in btree_csum_set()
204 void bch_btree_node_read_done(struct btree *b)  in bch_btree_node_read_done()
294 static void bch_btree_node_read(struct btree *b)  in bch_btree_node_read()
332 static void btree_complete_write(struct btree *b, struct btree_write *w)  in btree_complete_write()
349 	struct btree *b = container_of(cl, struct btree, io);  in btree_node_write_unlock()
356 	struct btree *b = container_of(cl, struct btree, io);  in __btree_node_write_done()
371 	struct btree *b = container_of(cl, struct btree, io);  in btree_node_write_done()
380 	struct btree *b = container_of(cl, struct btree, io);  in btree_node_write_endio()
389 static void do_btree_node_write(struct btree *b)  in do_btree_node_write()
453 void __bch_btree_node_write(struct btree *b, struct closure *parent)  in __bch_btree_node_write()
484 void bch_btree_node_write(struct btree *b, struct closure *parent)  in bch_btree_node_write()
502 static void bch_btree_node_write_sync(struct btree *b)  in bch_btree_node_write_sync()
517 	struct btree *b = container_of(to_delayed_work(w), struct btree, work);  in btree_node_write_work()
525 static void bch_btree_leaf_dirty(struct btree *b, atomic_t *journal_ref)  in bch_btree_leaf_dirty()
569 static void mca_data_free(struct btree *b)  in mca_data_free()
579 static void mca_bucket_free(struct btree *b)  in mca_bucket_free()
593 static void mca_data_alloc(struct btree *b, struct bkey *k, gfp_t gfp)  in mca_data_alloc()
607 static struct btree *mca_bucket_alloc(struct cache_set *c,  in mca_bucket_alloc()
610 	struct btree *b = kzalloc(sizeof(struct btree), gfp);  in mca_bucket_alloc()
628 static int mca_reap(struct btree *b, unsigned int min_order, bool flush)  in mca_reap()
673 	struct btree *b, *t;  in bch_mca_scan()
719 		b = list_first_entry(&c->btree_cache, struct btree, list);  in bch_mca_scan()
752 	struct btree *b;  in bch_btree_cache_free()
773 		b = list_first_entry(&c->btree_cache, struct btree, list);  in bch_btree_cache_free()
784 				     struct btree, list);  in bch_btree_cache_free()
838 static struct btree *mca_find(struct cache_set *c, struct bkey *k)  in mca_find()
840 	struct btree *b;  in mca_find()
867 static struct btree *mca_cannibalize(struct cache_set *c, struct btree_op *op,  in mca_cannibalize()
870 	struct btree *b;  in mca_cannibalize()
903 static struct btree *mca_alloc(struct cache_set *c, struct btree_op *op,  in mca_alloc()
906 	struct btree *b;  in mca_alloc()
983 struct btree *bch_btree_node_get(struct cache_set *c, struct btree_op *op,  in bch_btree_node_get()
985 				 struct btree *parent)  in bch_btree_node_get()
988 	struct btree *b;  in bch_btree_node_get()
1041 static void btree_node_prefetch(struct btree *parent, struct bkey *k)  in btree_node_prefetch()
1043 	struct btree *b;  in btree_node_prefetch()
1058 static void btree_node_free(struct btree *b)  in btree_node_free()
1080 struct btree *__bch_btree_node_alloc(struct cache_set *c, struct btree_op *op,  in __bch_btree_node_alloc()
1082 				     struct btree *parent)  in __bch_btree_node_alloc()
1085 	struct btree *b = ERR_PTR(-EAGAIN);  in __bch_btree_node_alloc()
1122 static struct btree *bch_btree_node_alloc(struct cache_set *c,  in bch_btree_node_alloc()
1124 					  struct btree *parent)  in bch_btree_node_alloc()
1129 static struct btree *btree_node_alloc_replacement(struct btree *b,  in btree_node_alloc_replacement()
1132 	struct btree *n = bch_btree_node_alloc(b->c, op, b->level, b->parent);  in btree_node_alloc_replacement()
1144 static void make_btree_freeing_key(struct btree *b, struct bkey *k)  in make_btree_freeing_key()
1163 static int btree_check_reserve(struct btree *b, struct btree_op *op)  in btree_check_reserve()
1266 static bool btree_gc_mark_node(struct btree *b, struct gc_stat *gc)  in btree_gc_mark_node()
1311 	struct btree	*b;
1315 static int bch_btree_insert_node(struct btree *b, struct btree_op *op,
1320 static int btree_gc_coalesce(struct btree *b, struct btree_op *op,  in btree_gc_coalesce()
1324 	struct btree *new_nodes[GC_MERGE_NODES];  in btree_gc_coalesce()
1487 static int btree_gc_rewrite_node(struct btree *b, struct btree_op *op,  in btree_gc_rewrite_node()
1488 				 struct btree *replace)  in btree_gc_rewrite_node()
1491 	struct btree *n;  in btree_gc_rewrite_node()
1523 static unsigned int btree_gc_count_keys(struct btree *b)  in btree_gc_count_keys()
1561 static int btree_gc_recurse(struct btree *b, struct btree_op *op,  in btree_gc_recurse()
1651 static int bch_btree_gc_root(struct btree *b, struct btree_op *op,  in bch_btree_gc_root()
1654 	struct btree *n = NULL;  in bch_btree_gc_root()
1868 static int bch_btree_check_recurse(struct btree *b, struct btree_op *op)  in bch_btree_check_recurse()
1895 				ret = btree(check_recurse, p, b, op);  in bch_btree_check_recurse()
1954 static bool btree_insert_key(struct btree *b, struct bkey *k,  in btree_insert_key()
1973 static size_t insert_u64s_remaining(struct btree *b)  in insert_u64s_remaining()
1986 static bool bch_btree_insert_keys(struct btree *b, struct btree_op *op,  in bch_btree_insert_keys()
2028 static int btree_split(struct btree *b, struct btree_op *op,  in btree_split()
2033 	struct btree *n1, *n2 = NULL, *n3 = NULL;  in btree_split()
2162 static int bch_btree_insert_node(struct btree *b, struct btree_op *op,  in bch_btree_insert_node()
2218 int bch_btree_insert_check_key(struct btree *b, struct btree_op *op,  in bch_btree_insert_check_key()
2263 static int btree_insert_fn(struct btree_op *b_op, struct btree *b)  in btree_insert_fn()
2310 void bch_btree_set_root(struct btree *b)  in bch_btree_set_root()
2336 static int bch_btree_map_nodes_recurse(struct btree *b, struct btree_op *op,  in bch_btree_map_nodes_recurse()
2350 			ret = btree(map_nodes_recurse, k, b,  in bch_btree_map_nodes_recurse()
2371 static int bch_btree_map_keys_recurse(struct btree *b, struct btree_op *op,  in bch_btree_map_keys_recurse()
2384 			: btree(map_keys_recurse, k, b, op, from, fn, flags);  in bch_btree_map_keys_recurse()
2430 static int refill_keybuf_fn(struct btree_op *op, struct btree *b,  in refill_keybuf_fn()