Follow up for 4938d01d which changed zio_flag from enum to uint64_t. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu> Signed-off-by: Youzhong Yang <yyang@mathworks.com> Closes #14100
4938d01d