diff options
| author | Sagi Grimberg <sagi@grimberg.me> | 2017-07-06 09:21:36 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-07-20 17:20:50 +0200 |
| commit | e6e52aec494900912fedd7b595b8827ba70a670d (patch) | |
| tree | 8efe6cb362d38cf717cd79ad583653e917997cde | |
| parent | rxe: fix broken receive queue draining (diff) | |
| download | linux-e6e52aec494900912fedd7b595b8827ba70a670d.tar.xz linux-e6e52aec494900912fedd7b595b8827ba70a670d.zip | |
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>
| -rw-r--r-- | drivers/infiniband/ulp/iser/iser_initiator.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c index 12ed62ce9ff7..2a07692007bd 100644 --- a/drivers/infiniband/ulp/iser/iser_initiator.c +++ b/drivers/infiniband/ulp/iser/iser_initiator.c @@ -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", |