diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index c947b2938054..1019aa821ecc 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -333,6 +333,7 @@ static inline struct bdi_writeback *inode_to_wb(struct inode *inode)
 {
 #ifdef CONFIG_LOCKDEP
 	WARN_ON_ONCE(debug_locks &&
+		     (inode->i_sb->s_iflags & SB_I_CGROUPWB) &&
 		     (!lockdep_is_held(&inode->i_lock) &&
 		      !lockdep_is_held(&inode->i_mapping->tree_lock) &&
 		      !lockdep_is_held(&inode->i_wb->list_lock)));