19  * Returns:	size in bytes of the encoded integer - at most 9 bytes
24 	unsigned bytes = DIV_ROUND_UP(bits, 7);  in bch2_varint_encode()  local
27 	if (likely(bytes < 9)) {  in bch2_varint_encode()
28 		v <<= bytes;  in bch2_varint_encode()
29 		v |= ~(~0 << (bytes - 1));  in bch2_varint_encode()
31 		memcpy(out, &v_le, bytes);  in bch2_varint_encode()
34 		bytes = 9;  in bch2_varint_encode()
38 	return bytes;  in bch2_varint_encode()
46  * Returns:	size in bytes of the decoded integer - or -1 on failure (would
51 	unsigned bytes = likely(in < end)  in bch2_varint_decode()  local
56 	if (unlikely(in + bytes > end))  in bch2_varint_decode()
59 	if (likely(bytes < 9)) {  in bch2_varint_decode()
62 		memcpy(&v_le, in, bytes);  in bch2_varint_decode()
64 		v >>= bytes;  in bch2_varint_decode()
70 	return bytes;  in bch2_varint_decode()
77  * Returns:	size in bytes of the encoded integer - at most 9 bytes
79  * This version assumes it's always safe to write 8 bytes to @out, even if the
85 	unsigned bytes = DIV_ROUND_UP(bits, 7);  in bch2_varint_encode_fast()  local
87 	if (likely(bytes < 9)) {  in bch2_varint_encode_fast()
88 		v <<= bytes;  in bch2_varint_encode_fast()
89 		v |= ~(~0U << (bytes - 1));  in bch2_varint_encode_fast()
92 		bytes = 9;  in bch2_varint_encode_fast()
96 	return bytes;  in bch2_varint_encode_fast()
104  * Returns:	size in bytes of the decoded integer - or -1 on failure (would
107  * This version assumes that it is safe to read at most 8 bytes past the end of
116 	unsigned bytes = ffz(*in) + 1;  in bch2_varint_decode_fast()  local
118 	if (unlikely(in + bytes > end))  in bch2_varint_decode_fast()
121 	if (likely(bytes < 9)) {  in bch2_varint_decode_fast()
122 		v >>= bytes;  in bch2_varint_decode_fast()
123 		v &= ~(~0ULL << (7 * bytes));  in bch2_varint_decode_fast()
129 	return bytes;  in bch2_varint_decode_fast()