18  * Returns:	size in bytes of the encoded integer - at most 9 bytes
23 	unsigned bytes = DIV_ROUND_UP(bits, 7);  in bch2_varint_encode()  local
26 	if (likely(bytes < 9)) {  in bch2_varint_encode()
27 		v <<= bytes;  in bch2_varint_encode()
28 		v |= ~(~0 << (bytes - 1));  in bch2_varint_encode()
30 		memcpy(out, &v_le, bytes);  in bch2_varint_encode()
33 		bytes = 9;  in bch2_varint_encode()
37 	return bytes;  in bch2_varint_encode()
45  * Returns:	size in bytes of the decoded integer - or -1 on failure (would
50 	unsigned bytes = likely(in < end)  in bch2_varint_decode()  local
55 	if (unlikely(in + bytes > end))  in bch2_varint_decode()
58 	if (likely(bytes < 9)) {  in bch2_varint_decode()
61 		memcpy(&v_le, in, bytes);  in bch2_varint_decode()
63 		v >>= bytes;  in bch2_varint_decode()
69 	return bytes;  in bch2_varint_decode()
76  * Returns:	size in bytes of the encoded integer - at most 9 bytes
78  * This version assumes it's always safe to write 8 bytes to @out, even if the
84 	unsigned bytes = DIV_ROUND_UP(bits, 7);  in bch2_varint_encode_fast()  local
86 	if (likely(bytes < 9)) {  in bch2_varint_encode_fast()
87 		v <<= bytes;  in bch2_varint_encode_fast()
88 		v |= ~(~0U << (bytes - 1));  in bch2_varint_encode_fast()
91 		bytes = 9;  in bch2_varint_encode_fast()
95 	return bytes;  in bch2_varint_encode_fast()
103  * Returns:	size in bytes of the decoded integer - or -1 on failure (would
106  * This version assumes that it is safe to read at most 8 bytes past the end of
115 	unsigned bytes = ffz(*in) + 1;  in bch2_varint_decode_fast()  local
117 	if (unlikely(in + bytes > end))  in bch2_varint_decode_fast()
120 	if (likely(bytes < 9)) {  in bch2_varint_decode_fast()
121 		v >>= bytes;  in bch2_varint_decode_fast()
122 		v &= ~(~0ULL << (7 * bytes));  in bch2_varint_decode_fast()
128 	return bytes;  in bch2_varint_decode_fast()