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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
committed by Doug Ledford
parent 87fc34b575
commit db421a5499
3 changed files with 6 additions and 70 deletions
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26
drivers/infiniband/sw/rdmavt/qp.c
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@@ -2986,34 +2986,12 @@ do_write:
sge = &sqp->s_sge.sge;
while (sqp->s_len) {
u32 len = sqp->s_len;
u32 len = rvt_get_sge_length(sge, sqp->s_len);
if (len > sge->length)
len = sge->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, release, copy_last);
sge->vaddr += len;
sge->length -= len;
sge->sge_length -= len;
if (sge->sge_length == 0) {
if (!release)
rvt_put_mr(sge->mr);
if (--sqp->s_sge.num_sge)
*sge = *sqp->s_sge.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(&sqp->s_sge, len, !release);
sqp->s_len -= len;
}
if (release)