taglinefilesource code
backspace400drivers/scsi/st.cint backspace, result;
backspace424drivers/scsi/st.cbackspace = ((STp->buffer)->buffer_bytes +
backspace439drivers/scsi/st.cif (!result && backspace > 0)
backspace440drivers/scsi/st.cresult = st_int_ioctl(inode, filp, MTBSR, backspace);