96 	 * As the GPT backup partition is located at the end of the disk,  in ptblread()
234 	int rc, slice, partition;  in disk_open()  local
262 	partition = dev->d_partition;  in disk_open()
264 	DPRINTF("%s unit %d, slice %d, partition %d => %p", disk_fmtdev(dev),  in disk_open()
271 		DPRINTF("Can't read partition table");  in disk_open()
283 	    partition >= 0) {  in disk_open()
285 		rc = ptable_getpart(od->table, &part, partition);  in disk_open()
294 		/* Try to get information about partition */  in disk_open()
299 		if (rc != 0) /* Partition doesn't exist */  in disk_open()
305 			partition = D_PARTISGPT;  in disk_open()
307 		} else if (partition == D_PARTISGPT) {  in disk_open()
309 			 * When we try to open GPT partition, but partition  in disk_open()
310 			 * table isn't GPT, reset partition value to  in disk_open()
313 			partition = D_PARTWILD;  in disk_open()
317 		 * If partition is D_PARTNONE, then disk_open() was called  in disk_open()
320 		if (partition == D_PARTNONE)  in disk_open()
324 		 * If partition is D_PARTWILD and we are looking at a BSD slice,  in disk_open()
328 		if (partition == D_PARTWILD &&  in disk_open()
340 		 * If slice contains BSD label and partition < 0, then  in disk_open()
341 		 * assume the 'a' partition. Otherwise just return the  in disk_open()
344 		if (partition < 0) {  in disk_open()
347 			partition = 0;  in disk_open()
349 		rc = ptable_getpart(table, &part, partition);  in disk_open()
365 		/* Save the slice and partition number to the dev */  in disk_open()
367 		dev->d_partition = partition;  in disk_open()
415 	int unit, slice, partition;  in disk_parsedev()  local
424 	 * slice or partition info should be considered a request to search for  in disk_parsedev()
425 	 * an appropriate partition.  Otherwise we want to open the raw device  in disk_parsedev()
430 		partition = D_PARTWILD;  in disk_parsedev()
433 		partition = D_PARTNONE;  in disk_parsedev()
449 			partition = D_PARTISGPT;  in disk_parsedev()
461 			partition = *cp - 'a';  in disk_parsedev()
462 			if (partition < 0)  in disk_parsedev()
476 	dev->d_partition = partition;  in disk_parsedev()