Commit e6e52aec authored Jul 06, 2017 by Sagi Grimberg Committed by Doug Ledford Jul 20, 2017

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>

parent 12171971

drivers/infiniband/ulp/iser/iser_initiator.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -137,8 +137,10 @@ iser_prepare_write_cmd(struct iscsi_task *task,

		if (unsol_sz < edtl) {
		hdr->flags \|= ISER_WSV;
		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",