diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 6d95a4b36cfa..d2d627e2c782 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -44,6 +44,14 @@ struct blk_crypto_profile;
  */
 #define BLKCG_MAX_POLS		6
 
+static inline int blk_validate_block_size(unsigned int bsize)
+{
+	if (bsize < 512 || bsize > PAGE_SIZE || !is_power_of_2(bsize))
+		return -EINVAL;
+
+	return 0;
+}
+
 static inline bool blk_op_is_passthrough(unsigned int op)
 {
 	op &= REQ_OP_MASK;