rename BlockCnt to ktap_blockcnt

Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@gmail.com>
rename SemInfo to ktap_seminfo

Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@gmail.com>
rename ktap_Writer to ktap_writer

Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@gmail.com>