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Commit 64f77566 authored by Ilya Dryomov's avatar Ilya Dryomov
Browse files

crush: remove redundant local variable 



Remove extra x1 variable, it's just temporary placeholder that
clutters the code unnecessarily.

Reflects ceph.git commit 0d19408d91dd747340d70287b4ef9efd89e95c6b.

Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
parent 74a52938

net/ceph/crush/mapper.c

+2 −3
Original line number Diff line number Diff line
@@ -245,7 +245,7 @@ static int bucket_straw_choose(struct crush_bucket_straw *bucket, 
/* compute 2^44*log2(input+1) */

static __u64 crush_ln(unsigned int xin)

{

	unsigned int x = xin, x1;

	unsigned int x = xin;

	int iexpon, index1, index2;

	__u64 RH, LH, LL, xl64, result;
@@ -273,12 +273,11 @@ static __u64 crush_ln(unsigned int xin) 
	/* RH*x ~ 2^48 * (2^15 + xf), xf<2^8 */

	xl64 = (__s64)x * RH;

	xl64 >>= 48;

	x1 = xl64;



	result = iexpon;

	result <<= (12 + 32);



	index2 = x1 & 0xff;

	index2 = xl64 & 0xff;

	/* LL ~ 2^48*log2(1.0+index2/2^15) */

	LL = __LL_tbl[index2];