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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-04-10 20:23:52 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-04-10 20:23:52 -0400
commit5a92d635bec814fb53595fc80488765bc0d4ff0e (patch)
tree73b06c82859b4a36ab31082e7dfa7fab6e42dc64 /drivers
parente676853c8c3f77166c03f1eea7dab6e854eeb819 (diff)
parent6371ea3d48e17d4638a91a4a1e0364e56204e418 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IPoIB/cm: Fix DMA direction typo IB/iser: Don't defer connection failure notification to workqueue
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_cm.c2
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.h1
-rw-r--r--drivers/infiniband/ulp/iser/iser_verbs.c40
3 files changed, 17 insertions, 26 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index e70492db74f6..2b242a4823f8 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -131,7 +131,7 @@ static struct sk_buff *ipoib_cm_alloc_rx_skb(struct net_device *dev, int id, int
131 skb_fill_page_desc(skb, i, page, 0, PAGE_SIZE); 131 skb_fill_page_desc(skb, i, page, 0, PAGE_SIZE);
132 132
133 mapping[i + 1] = ib_dma_map_page(priv->ca, skb_shinfo(skb)->frags[i].page, 133 mapping[i + 1] = ib_dma_map_page(priv->ca, skb_shinfo(skb)->frags[i].page,
134 0, PAGE_SIZE, DMA_TO_DEVICE); 134 0, PAGE_SIZE, DMA_FROM_DEVICE);
135 if (unlikely(ib_dma_mapping_error(priv->ca, mapping[i + 1]))) 135 if (unlikely(ib_dma_mapping_error(priv->ca, mapping[i + 1])))
136 goto partial_error; 136 goto partial_error;
137 } 137 }
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
index cae8c96a55f8..8960196ffb0f 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.h
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
@@ -245,7 +245,6 @@ struct iser_conn {
245 wait_queue_head_t wait; /* waitq for conn/disconn */ 245 wait_queue_head_t wait; /* waitq for conn/disconn */
246 atomic_t post_recv_buf_count; /* posted rx count */ 246 atomic_t post_recv_buf_count; /* posted rx count */
247 atomic_t post_send_buf_count; /* posted tx count */ 247 atomic_t post_send_buf_count; /* posted tx count */
248 struct work_struct comperror_work; /* conn term sleepable ctx*/
249 char name[ISER_OBJECT_NAME_SIZE]; 248 char name[ISER_OBJECT_NAME_SIZE];
250 struct iser_page_vec *page_vec; /* represents SG to fmr maps* 249 struct iser_page_vec *page_vec; /* represents SG to fmr maps*
251 * maps serialized as tx is*/ 250 * maps serialized as tx is*/
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index 693b77002897..1fc967464a28 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -48,7 +48,6 @@
48 48
49static void iser_cq_tasklet_fn(unsigned long data); 49static void iser_cq_tasklet_fn(unsigned long data);
50static void iser_cq_callback(struct ib_cq *cq, void *cq_context); 50static void iser_cq_callback(struct ib_cq *cq, void *cq_context);
51static void iser_comp_error_worker(struct work_struct *work);
52 51
53static void iser_cq_event_callback(struct ib_event *cause, void *context) 52static void iser_cq_event_callback(struct ib_event *cause, void *context)
54{ 53{
@@ -480,7 +479,6 @@ int iser_conn_init(struct iser_conn **ibconn)
480 init_waitqueue_head(&ib_conn->wait); 479 init_waitqueue_head(&ib_conn->wait);
481 atomic_set(&ib_conn->post_recv_buf_count, 0); 480 atomic_set(&ib_conn->post_recv_buf_count, 0);
482 atomic_set(&ib_conn->post_send_buf_count, 0); 481 atomic_set(&ib_conn->post_send_buf_count, 0);
483 INIT_WORK(&ib_conn->comperror_work, iser_comp_error_worker);
484 INIT_LIST_HEAD(&ib_conn->conn_list); 482 INIT_LIST_HEAD(&ib_conn->conn_list);
485 spin_lock_init(&ib_conn->lock); 483 spin_lock_init(&ib_conn->lock);
486 484
@@ -753,26 +751,6 @@ int iser_post_send(struct iser_desc *tx_desc)
753 return ret_val; 751 return ret_val;
754} 752}
755 753
756static void iser_comp_error_worker(struct work_struct *work)
757{
758 struct iser_conn *ib_conn =
759 container_of(work, struct iser_conn, comperror_work);
760
761 /* getting here when the state is UP means that the conn is being *
762 * terminated asynchronously from the iSCSI layer's perspective. */
763 if (iser_conn_state_comp_exch(ib_conn, ISER_CONN_UP,
764 ISER_CONN_TERMINATING))
765 iscsi_conn_failure(ib_conn->iser_conn->iscsi_conn,
766 ISCSI_ERR_CONN_FAILED);
767
768 /* complete the termination process if disconnect event was delivered *
769 * note there are no more non completed posts to the QP */
770 if (ib_conn->disc_evt_flag) {
771 ib_conn->state = ISER_CONN_DOWN;
772 wake_up_interruptible(&ib_conn->wait);
773 }
774}
775
776static void iser_handle_comp_error(struct iser_desc *desc) 754static void iser_handle_comp_error(struct iser_desc *desc)
777{ 755{
778 struct iser_dto *dto = &desc->dto; 756 struct iser_dto *dto = &desc->dto;
@@ -791,8 +769,22 @@ static void iser_handle_comp_error(struct iser_desc *desc)
791 } 769 }
792 770
793 if (atomic_read(&ib_conn->post_recv_buf_count) == 0 && 771 if (atomic_read(&ib_conn->post_recv_buf_count) == 0 &&
794 atomic_read(&ib_conn->post_send_buf_count) == 0) 772 atomic_read(&ib_conn->post_send_buf_count) == 0) {
795 schedule_work(&ib_conn->comperror_work); 773 /* getting here when the state is UP means that the conn is *
774 * being terminated asynchronously from the iSCSI layer's *
775 * perspective. */
776 if (iser_conn_state_comp_exch(ib_conn, ISER_CONN_UP,
777 ISER_CONN_TERMINATING))
778 iscsi_conn_failure(ib_conn->iser_conn->iscsi_conn,
779 ISCSI_ERR_CONN_FAILED);
780
781 /* complete the termination process if disconnect event was delivered *
782 * note there are no more non completed posts to the QP */
783 if (ib_conn->disc_evt_flag) {
784 ib_conn->state = ISER_CONN_DOWN;
785 wake_up_interruptible(&ib_conn->wait);
786 }
787 }
796} 788}
797 789
798static void iser_cq_tasklet_fn(unsigned long data) 790static void iser_cq_tasklet_fn(unsigned long data)