summaryrefslogtreecommitdiffstats
path: root/drivers/infiniband
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c7
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.h1
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 720dfb3a1ac2..fd55163801a3 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -2123,6 +2123,9 @@ isert_rdma_rw_ctx_post(struct isert_cmd *cmd, struct isert_conn *conn,
u32 rkey, offset;
int ret;
+ if (cmd->ctx_init_done)
+ goto rdma_ctx_post;
+
if (dir == DMA_FROM_DEVICE) {
addr = cmd->write_va;
rkey = cmd->write_stag;
@@ -2150,11 +2153,15 @@ isert_rdma_rw_ctx_post(struct isert_cmd *cmd, struct isert_conn *conn,
se_cmd->t_data_sg, se_cmd->t_data_nents,
offset, addr, rkey, dir);
}
+
if (ret < 0) {
isert_err("Cmd: %p failed to prepare RDMA res\n", cmd);
return ret;
}
+ cmd->ctx_init_done = true;
+
+rdma_ctx_post:
ret = rdma_rw_ctx_post(&cmd->rw, conn->qp, port_num, cqe, chain_wr);
if (ret < 0)
isert_err("Cmd: %p failed to post RDMA res\n", cmd);
diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h
index d6fd248320ae..3b296bac4f60 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.h
+++ b/drivers/infiniband/ulp/isert/ib_isert.h
@@ -126,6 +126,7 @@ struct isert_cmd {
struct rdma_rw_ctx rw;
struct work_struct comp_work;
struct scatterlist sg;
+ bool ctx_init_done;
};
static inline struct isert_cmd *tx_desc_to_cmd(struct iser_tx_desc *desc)
OpenPOWER on IntegriCloud