diff options
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/ulp/iser/iser_memory.c | 31 |
1 files changed, 9 insertions, 22 deletions
diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c index f1fd05d8609d..1317e18cfaa8 100644 --- a/drivers/infiniband/ulp/iser/iser_memory.c +++ b/drivers/infiniband/ulp/iser/iser_memory.c @@ -326,40 +326,26 @@ static int iser_fast_reg_mr(struct iscsi_iser_task *iser_task, return 0; } -static int iser_reg_data_sg(struct iscsi_iser_task *task, - struct iser_data_buf *mem, - struct iser_fr_desc *desc, bool use_dma_key, - struct iser_mem_reg *reg) -{ - struct iser_device *device = task->iser_conn->ib_conn.device; - - if (use_dma_key) - return iser_reg_dma(device, mem, reg); - - return iser_fast_reg_mr(task, mem, &desc->rsc, reg); -} - int iser_reg_mem_fastreg(struct iscsi_iser_task *task, enum iser_data_dir dir, bool all_imm) { struct ib_conn *ib_conn = &task->iser_conn->ib_conn; + struct iser_device *device = ib_conn->device; struct iser_data_buf *mem = &task->data[dir]; struct iser_mem_reg *reg = &task->rdma_reg[dir]; - struct iser_fr_desc *desc = NULL; + struct iser_fr_desc *desc; bool use_dma_key; int err; use_dma_key = mem->dma_nents == 1 && (all_imm || !iser_always_reg) && scsi_get_prot_op(task->sc) == SCSI_PROT_NORMAL; + if (use_dma_key) + return iser_reg_dma(device, mem, reg); - if (!use_dma_key) { - desc = iser_reg_desc_get_fr(ib_conn); - reg->mem_h = desc; - } - + desc = iser_reg_desc_get_fr(ib_conn); if (scsi_get_prot_op(task->sc) == SCSI_PROT_NORMAL) { - err = iser_reg_data_sg(task, mem, desc, use_dma_key, reg); + err = iser_fast_reg_mr(task, mem, &desc->rsc, reg); if (unlikely(err)) goto err_reg; } else { @@ -371,11 +357,12 @@ int iser_reg_mem_fastreg(struct iscsi_iser_task *task, desc->sig_protected = true; } + reg->mem_h = desc; + return 0; err_reg: - if (desc) - iser_reg_desc_put_fr(ib_conn, desc); + iser_reg_desc_put_fr(ib_conn, desc); return err; } |