10 #define MAJOR(dev)	((unsigned int) ((dev) >> MINORBITS))  argument
11 #define MINOR(dev)	((unsigned int) ((dev) & MINORMASK))  argument
14 #define print_dev_t(buffer, dev)					\  argument
15 	sprintf((buffer), "%u:%u\n", MAJOR(dev), MINOR(dev))
17 #define format_dev_t(buffer, dev)					\  argument
19 		sprintf(buffer, "%u:%u", MAJOR(dev), MINOR(dev));	\
24 static inline bool old_valid_dev(dev_t dev)  in old_valid_dev()  argument
26 	return MAJOR(dev) < 256 && MINOR(dev) < 256;  in old_valid_dev()
29 static inline u16 old_encode_dev(dev_t dev)  in old_encode_dev()  argument
31 	return (MAJOR(dev) << 8) | MINOR(dev);  in old_encode_dev()
39 static inline u32 new_encode_dev(dev_t dev)  in new_encode_dev()  argument
41 	unsigned major = MAJOR(dev);  in new_encode_dev()
42 	unsigned minor = MINOR(dev);  in new_encode_dev()
46 static inline dev_t new_decode_dev(u32 dev)  in new_decode_dev()  argument
48 	unsigned major = (dev & 0xfff00) >> 8;  in new_decode_dev()
49 	unsigned minor = (dev & 0xff) | ((dev >> 12) & 0xfff00);  in new_decode_dev()
53 static inline u64 huge_encode_dev(dev_t dev)  in huge_encode_dev()  argument
55 	return new_encode_dev(dev);  in huge_encode_dev()
58 static inline dev_t huge_decode_dev(u64 dev)  in huge_decode_dev()  argument
60 	return new_decode_dev(dev);  in huge_decode_dev()
63 static inline int sysv_valid_dev(dev_t dev)  in sysv_valid_dev()  argument
65 	return MAJOR(dev) < (1<<14) && MINOR(dev) < (1<<18);  in sysv_valid_dev()
68 static inline u32 sysv_encode_dev(dev_t dev)  in sysv_encode_dev()  argument
70 	return MINOR(dev) | (MAJOR(dev) << 18);  in sysv_encode_dev()
73 static inline unsigned sysv_major(u32 dev)  in sysv_major()  argument
75 	return (dev >> 18) & 0x3fff;  in sysv_major()
78 static inline unsigned sysv_minor(u32 dev)  in sysv_minor()  argument
80 	return dev & 0x3ffff;  in sysv_minor()