diff options
| -rw-r--r-- | drivers/infiniband/ulp/iser/iscsi_iser.h | 2 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/iser/iser_initiator.c | 6 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/iser/iser_verbs.c | 16 |
3 files changed, 12 insertions, 12 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h index 83effb61059..4491235340d 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.h +++ b/drivers/infiniband/ulp/iser/iscsi_iser.h @@ -266,7 +266,7 @@ struct iser_conn { struct ib_fmr_pool *fmr_pool; /* pool of IB FMRs */ int disc_evt_flag; /* disconn event delivered */ wait_queue_head_t wait; /* waitq for conn/disconn */ - atomic_t post_recv_buf_count; /* posted rx count */ + int post_recv_buf_count; /* posted rx count */ atomic_t post_send_buf_count; /* posted tx count */ char name[ISER_OBJECT_NAME_SIZE]; struct iser_page_vec *page_vec; /* represents SG to fmr maps* diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c index 6d9bbe6363e..3e65a43d215 100644 --- a/drivers/infiniband/ulp/iser/iser_initiator.c +++ b/drivers/infiniband/ulp/iser/iser_initiator.c @@ -268,7 +268,7 @@ int iser_conn_set_full_featured_mode(struct iscsi_conn *conn) /* Check that there is no posted recv or send buffers left - */ /* they must be consumed during the login phase */ - BUG_ON(atomic_read(&iser_conn->ib_conn->post_recv_buf_count) != 0); + BUG_ON(iser_conn->ib_conn->post_recv_buf_count != 0); BUG_ON(atomic_read(&iser_conn->ib_conn->post_send_buf_count) != 0); if (iser_alloc_rx_descriptors(iser_conn->ib_conn)) @@ -569,12 +569,12 @@ void iser_rcv_completion(struct iser_rx_desc *rx_desc, * task eliminates the need to worry on tasks which are completed in * * parallel to the execution of iser_conn_term. So the code that waits * * for the posted rx bufs refcount to become zero handles everything */ - atomic_dec(&conn->ib_conn->post_recv_buf_count); + conn->ib_conn->post_recv_buf_count--; if (rx_dma == ib_conn->login_dma) return; - outstanding = atomic_read(&ib_conn->post_recv_buf_count); + outstanding = ib_conn->post_recv_buf_count; if (outstanding + ISER_MIN_POSTED_RX <= ISER_QP_MAX_RECV_DTOS) { count = min(ISER_QP_MAX_RECV_DTOS - outstanding, ISER_MIN_POSTED_RX); diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index 89b95604406..202c00dc6a7 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -453,7 +453,7 @@ static void iser_disconnected_handler(struct rdma_cm_id *cma_id) ISCSI_ERR_CONN_FAILED); /* Complete the termination process if no posts are pending */ - if ((atomic_read(&ib_conn->post_recv_buf_count) == 0) && + if (ib_conn->post_recv_buf_count == 0 && (atomic_read(&ib_conn->post_send_buf_count) == 0)) { ib_conn->state = ISER_CONN_DOWN; wake_up_interruptible(&ib_conn->wait); @@ -500,7 +500,7 @@ void iser_conn_init(struct iser_conn *ib_conn) { ib_conn->state = ISER_CONN_INIT; init_waitqueue_head(&ib_conn->wait); - atomic_set(&ib_conn->post_recv_buf_count, 0); + ib_conn->post_recv_buf_count = 0; atomic_set(&ib_conn->post_send_buf_count, 0); atomic_set(&ib_conn->refcount, 1); INIT_LIST_HEAD(&ib_conn->conn_list); @@ -651,11 +651,11 @@ int iser_post_recvl(struct iser_conn *ib_conn) rx_wr.num_sge = 1; rx_wr.next = NULL; - atomic_inc(&ib_conn->post_recv_buf_count); + ib_conn->post_recv_buf_count++; ib_ret = ib_post_recv(ib_conn->qp, &rx_wr, &rx_wr_failed); if (ib_ret) { iser_err("ib_post_recv failed ret=%d\n", ib_ret); - atomic_dec(&ib_conn->post_recv_buf_count); + ib_conn->post_recv_buf_count--; } return ib_ret; } @@ -679,11 +679,11 @@ int iser_post_recvm(struct iser_conn *ib_conn, int count) rx_wr--; rx_wr->next = NULL; /* mark end of work requests list */ - atomic_add(count, &ib_conn->post_recv_buf_count); + ib_conn->post_recv_buf_count += count; ib_ret = ib_post_recv(ib_conn->qp, ib_conn->rx_wr, &rx_wr_failed); if (ib_ret) { iser_err("ib_post_recv failed ret=%d\n", ib_ret); - atomic_sub(count, &ib_conn->post_recv_buf_count); + ib_conn->post_recv_buf_count -= count; } else ib_conn->rx_desc_head = my_rx_head; return ib_ret; @@ -778,14 +778,14 @@ static void iser_handle_comp_error(struct iser_desc *desc, if ((char *)desc == ib_conn->login_buf || (rx_first <= rx && rx <= rx_last)) - atomic_dec(&ib_conn->post_recv_buf_count); + ib_conn->post_recv_buf_count--; else { /* type is TX control/command/dataout */ if (desc->type == ISCSI_TX_DATAOUT) kmem_cache_free(ig.desc_cache, desc); atomic_dec(&ib_conn->post_send_buf_count); } - if (atomic_read(&ib_conn->post_recv_buf_count) == 0 && + if (ib_conn->post_recv_buf_count == 0 && atomic_read(&ib_conn->post_send_buf_count) == 0) { /* getting here when the state is UP means that the conn is * * being terminated asynchronously from the iSCSI layer's * |