286 static unsigned long bch2_btree_cache_scan(struct shrinker *shrink,  in bch2_btree_cache_scan()  argument
289 	struct bch_fs *c = shrink->private_data;  in bch2_btree_cache_scan()
384 static unsigned long bch2_btree_cache_count(struct shrinker *shrink,  in bch2_btree_cache_count()  argument
387 	struct bch_fs *c = shrink->private_data;  in bch2_btree_cache_count()
402 	shrinker_free(bc->shrink);  in bch2_fs_btree_cache_exit()
453 	struct shrinker *shrink;  in bch2_fs_btree_cache_init()  local
473 	shrink = shrinker_alloc(0, "%s-btree_cache", c->name);  in bch2_fs_btree_cache_init()
474 	if (!shrink)  in bch2_fs_btree_cache_init()
476 	bc->shrink = shrink;  in bch2_fs_btree_cache_init()
477 	shrink->count_objects	= bch2_btree_cache_count;  in bch2_fs_btree_cache_init()
478 	shrink->scan_objects	= bch2_btree_cache_scan;  in bch2_fs_btree_cache_init()
479 	shrink->seeks		= 4;  in bch2_fs_btree_cache_init()
480 	shrink->private_data	= c;  in bch2_fs_btree_cache_init()
481 	shrinker_register(shrink);  in bch2_fs_btree_cache_init()