taglinefilesource code
backspace312drivers/scsi/st.cint backspace, result;
backspace326drivers/scsi/st.cbackspace = ((STp->buffer)->buffer_bytes +
backspace341drivers/scsi/st.cif (!result && backspace > 0)
backspace342drivers/scsi/st.cresult = st_int_ioctl(inode, filp, MTBSR, backspace);