Lines Matching defs:cylinder
112 * Maximal number of bytes in a cylinder.
765 int st0, st3, cyl, mfm, steptrac, cylinder, descyl, sec;
896 cylinder = bp->bio_pblkno / i;
897 descyl = cylinder * steptrac;
915 (cylinder == 0 && fd->track != 0) ||
937 if (cylinder != fd->track) {
954 fd->track = cylinder;
1284 * cylinder, and use the desired head.
1338 * Try reading sector ID fields, first at cylinder 0, head 0,
1339 * then at cylinder 2, head N. We don't probe cylinder 1,
1341 * to read (2 step pulses per media cylinder required). For
1354 * Stepping to cylinder 2 has the side-effect of clearing the
1970 * heads have been beyond cylinder 76, since