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IB/{hfi1, qib, rvt} Cleanup open coded sge usage

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Several locations for manipulating sges use an open coded sequence
that is covered by helper functions.

Use the appropriate helper functions.

Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Michael J. Ruhl
2019-01-23 19:08:29 -08:00
committad av Doug Ledford
förälder 87fc34b575
incheckning db421a5499
3 ändrade filer med 6 tillägg och 70 borttagningar
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24
drivers/infiniband/hw/hfi1/ud.c
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@@ -222,31 +222,11 @@ static void ud_loopback(struct rvt_qp *sqp, struct rvt_swqe *swqe)
ssge.num_sge = swqe->wr.num_sge;
sge = &ssge.sge;
while (length) {
u32 len = sge->length;
u32 len = rvt_get_sge_length(sge, length);
if (len > length)
len = length;
if (len > sge->sge_length)
len = sge->sge_length;
WARN_ON_ONCE(len == 0);
rvt_copy_sge(qp, &qp->r_sge, sge->vaddr, len, true, false);
sge->vaddr += len;
sge->length -= len;
sge->sge_length -= len;
if (sge->sge_length == 0) {
if (--ssge.num_sge)
*sge = *ssge.sg_list++;
} else if (sge->length == 0 && sge->mr->lkey) {
if (++sge->n >= RVT_SEGSZ) {
if (++sge->m >= sge->mr->mapsz)
break;
sge->n = 0;
}
sge->vaddr =
sge->mr->map[sge->m]->segs[sge->n].vaddr;
sge->length =
sge->mr->map[sge->m]->segs[sge->n].length;
}
rvt_update_sge(&ssge, len, false);
length -= len;
}
rvt_put_ss(&qp->r_sge);