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RDMA/iser: don't send an rkey if all data is written as immadiate-data 

We might get some bogus error completions in case the target will
remotely invalidate the rkey and the HCA will need to retransmit
from this buffer.

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Sagi Grimberg 2017-07-06 10:21:36 +03:00 committed by Doug Ledford
parent 1217197142
commit e6e52aec49
1 changed files with 4 additions and 2 deletions
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6
drivers/infiniband/ulp/iser/iser_initiator.c
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@ -137,8 +137,10 @@ iser_prepare_write_cmd(struct iscsi_task *task,
if (unsol_sz < edtl) {
hdr->flags |= ISER_WSV;
hdr->write_stag = cpu_to_be32(mem_reg->rkey);
hdr->write_va = cpu_to_be64(mem_reg->sge.addr + unsol_sz);
if (buf_out->data_len > imm_sz) {
hdr->write_stag = cpu_to_be32(mem_reg->rkey);
hdr->write_va = cpu_to_be64(mem_reg->sge.addr + unsol_sz);
}
iser_dbg("Cmd itt:%d, WRITE tags, RKEY:%#.4X "
"VA:%#llX + unsol:%d\n",