311 static void zswap_entry_put(struct zswap_tree *tree,  in zswap_entry_put()  argument
318 		zswap_rb_erase(&tree->rbroot, entry);  in zswap_entry_put()
536 	struct zswap_tree *tree;  in zswap_writeback_entry()  local
551 	tree = zswap_trees[swp_type(swpentry)];  in zswap_writeback_entry()
555 	spin_lock(&tree->lock);  in zswap_writeback_entry()
556 	entry = zswap_entry_find_get(&tree->rbroot, offset);  in zswap_writeback_entry()
559 		spin_unlock(&tree->lock);  in zswap_writeback_entry()
562 	spin_unlock(&tree->lock);  in zswap_writeback_entry()
602 	spin_lock(&tree->lock);  in zswap_writeback_entry()
604 	zswap_entry_put(tree, entry);  in zswap_writeback_entry()
613 	if (entry == zswap_rb_search(&tree->rbroot, offset))  in zswap_writeback_entry()
614 		zswap_entry_put(tree, entry);  in zswap_writeback_entry()
615 	spin_unlock(&tree->lock);  in zswap_writeback_entry()
627 	spin_lock(&tree->lock);  in zswap_writeback_entry()
628 	zswap_entry_put(tree, entry);  in zswap_writeback_entry()
629 	spin_unlock(&tree->lock);  in zswap_writeback_entry()
642 	struct zswap_tree *tree = zswap_trees[type];  in zswap_frontswap_store()  local
651 	if (!tree) {  in zswap_frontswap_store()
709 	spin_lock(&tree->lock);  in zswap_frontswap_store()
711 		ret = zswap_rb_insert(&tree->rbroot, entry, &dupentry);  in zswap_frontswap_store()
715 			zswap_rb_erase(&tree->rbroot, dupentry);  in zswap_frontswap_store()
716 			zswap_entry_put(tree, dupentry);  in zswap_frontswap_store()
719 	spin_unlock(&tree->lock);  in zswap_frontswap_store()
741 	struct zswap_tree *tree = zswap_trees[type];  in zswap_frontswap_load()  local
748 	spin_lock(&tree->lock);  in zswap_frontswap_load()
749 	entry = zswap_entry_find_get(&tree->rbroot, offset);  in zswap_frontswap_load()
752 		spin_unlock(&tree->lock);  in zswap_frontswap_load()
755 	spin_unlock(&tree->lock);  in zswap_frontswap_load()
768 	spin_lock(&tree->lock);  in zswap_frontswap_load()
769 	zswap_entry_put(tree, entry);  in zswap_frontswap_load()
770 	spin_unlock(&tree->lock);  in zswap_frontswap_load()
778 	struct zswap_tree *tree = zswap_trees[type];  in zswap_frontswap_invalidate_page()  local
782 	spin_lock(&tree->lock);  in zswap_frontswap_invalidate_page()
783 	entry = zswap_rb_search(&tree->rbroot, offset);  in zswap_frontswap_invalidate_page()
786 		spin_unlock(&tree->lock);  in zswap_frontswap_invalidate_page()
791 	zswap_rb_erase(&tree->rbroot, entry);  in zswap_frontswap_invalidate_page()
794 	zswap_entry_put(tree, entry);  in zswap_frontswap_invalidate_page()
796 	spin_unlock(&tree->lock);  in zswap_frontswap_invalidate_page()
802 	struct zswap_tree *tree = zswap_trees[type];  in zswap_frontswap_invalidate_area()  local
805 	if (!tree)  in zswap_frontswap_invalidate_area()
809 	spin_lock(&tree->lock);  in zswap_frontswap_invalidate_area()
810 	rbtree_postorder_for_each_entry_safe(entry, n, &tree->rbroot, rbnode)  in zswap_frontswap_invalidate_area()
812 	tree->rbroot = RB_ROOT;  in zswap_frontswap_invalidate_area()
813 	spin_unlock(&tree->lock);  in zswap_frontswap_invalidate_area()
814 	kfree(tree);  in zswap_frontswap_invalidate_area()
824 	struct zswap_tree *tree;  in zswap_frontswap_init()  local
826 	tree = kzalloc(sizeof(struct zswap_tree), GFP_KERNEL);  in zswap_frontswap_init()
827 	if (!tree) {  in zswap_frontswap_init()
832 	tree->rbroot = RB_ROOT;  in zswap_frontswap_init()
833 	spin_lock_init(&tree->lock);  in zswap_frontswap_init()
834 	zswap_trees[type] = tree;  in zswap_frontswap_init()