46 static int __init devt_from_partuuid(const char *uuid_str, dev_t *devt)  in devt_from_partuuid()  argument
80 		*devt = part_devt(dev_to_disk(dev),  in devt_from_partuuid()
83 		*devt = dev->devt;  in devt_from_partuuid()
112 static int __init devt_from_partlabel(const char *label, dev_t *devt)  in devt_from_partlabel()  argument
119 	*devt = dev->devt;  in devt_from_partlabel()
126 	dev_t devt = MKDEV(0, 0);  in blk_lookup_devt()  local
141 			devt = MKDEV(MAJOR(dev->devt),  in blk_lookup_devt()
142 				     MINOR(dev->devt) + partno);  in blk_lookup_devt()
144 			devt = part_devt(disk, partno);  in blk_lookup_devt()
145 			if (devt)  in blk_lookup_devt()
150 	return devt;  in blk_lookup_devt()
153 static int __init devt_from_devname(const char *name, dev_t *devt)  in devt_from_devname()  argument
167 	*devt = blk_lookup_devt(s, 0);  in devt_from_devname()
168 	if (*devt)  in devt_from_devname()
183 	*devt = blk_lookup_devt(s, part);  in devt_from_devname()
184 	if (*devt)  in devt_from_devname()
191 	*devt = blk_lookup_devt(s, part);  in devt_from_devname()
192 	if (*devt)  in devt_from_devname()
197 static int __init devt_from_devnum(const char *name, dev_t *devt)  in devt_from_devnum()  argument
204 		*devt = MKDEV(maj, min);  in devt_from_devnum()
205 		if (maj != MAJOR(*devt) || min != MINOR(*devt))  in devt_from_devnum()
208 		*devt = new_decode_dev(simple_strtoul(name, &p, 16));  in devt_from_devnum()
244 int __init early_lookup_bdev(const char *name, dev_t *devt)  in early_lookup_bdev()  argument
247 		return devt_from_partuuid(name + 9, devt);  in early_lookup_bdev()
249 		return devt_from_partlabel(name + 10, devt);  in early_lookup_bdev()
251 		return devt_from_devname(name + 5, devt);  in early_lookup_bdev()
252 	return devt_from_devnum(name, devt);  in early_lookup_bdev()
255 static char __init *bdevt_str(dev_t devt, char *buf)  in bdevt_str()  argument
257 	if (MAJOR(devt) <= 0xff && MINOR(devt) <= 0xff) {  in bdevt_str()
259 		snprintf(tbuf, BDEVT_SIZE, "%02x%02x", MAJOR(devt), MINOR(devt));  in bdevt_str()
262 		snprintf(buf, BDEVT_SIZE, "%03x:%05x", MAJOR(devt), MINOR(devt));  in bdevt_str()