/* SPDX-License-Identifier: GPL-2.0 */ #include "kernel-shared/ctree.h" #include "kernel-shared/locking.h" struct extent_buffer *btrfs_read_lock_root_node(struct btrfs_root *root) { root->node->refs++; return root->node; } struct extent_buffer *btrfs_try_read_lock_root_node(struct btrfs_root *root) { root->node->refs++; return root->node; } struct extent_buffer *btrfs_lock_root_node(struct btrfs_root *root) { root->node->refs++; return root->node; }