block/partitions/ibm.c

31 static sector_t cchh2blk(struct vtoc_cchh *ptr, struct hd_geometry *geo)
41 	return cyl * geo->heads * geo->sectors +
42 	       head * geo->sectors;
49 static sector_t cchhb2blk(struct vtoc_cchhb *ptr, struct hd_geometry *geo)
59 	return	cyl * geo->heads * geo->sectors +
60 		head * geo->sectors +
107 		      struct hd_geometry *geo,
169 				struct hd_geometry *geo,
190 	blk = cchhb2blk(&label->vol.vtoc, geo) + 1;
210 		offset = cchh2blk(&f1.DS1EXT1.llimit, geo);
211 		size  = cchh2blk(&f1.DS1EXT1.ulimit, geo) -
212 			offset + geo->sectors;
231 				struct hd_geometry *geo,
251 		 * 'size based on geo == size based on nr_sectors' is true, then
256 		geo_size = geo->cylinders * geo->heads
257 			* geo->sectors * secperblk;
278 				struct hd_geometry *geo,
334 	struct hd_geometry *geo;
353 	geo = kmalloc(sizeof(struct hd_geometry), GFP_KERNEL);
354 	if (geo == NULL)
360 	geo->start = get_start_sect(bdev);
361 	if (disk->fops->getgeo(bdev, geo))
368 	if (find_label(state, info, geo, blocksize, &labelsect, name, type, label)) {
371 			res = find_vol1_partitions(state, geo, blocksize, name,
375 			res = find_lnx1_partitions(state, geo, blocksize, name,
380 			res = find_cms1_partitions(state, geo, blocksize, name,
406 	kfree(geo);