diff options
| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2016-05-14 22:23:34 -0700 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2016-05-16 22:23:33 -0700 |
| commit | bd027d856d3d7260017d0dc932201ce5fd7561f9 (patch) | |
| tree | d2891ed08f6e401654fe5b3be8524bd33f176e01 | |
| parent | d4b3fa4b0881b600ddeee9dd47b27dea9709f322 (diff) | |
| download | linux-bd027d856d3d7260017d0dc932201ce5fd7561f9.tar.bz2 | |
iscsi-target: Convert transport drivers to signal rdma_shutdown
Instead of special casing the handful of callers that check for
iser-target rdma verbs specific shutdown, use a simple flag at
iscsit_transport->rdma_shutdown so each driver can signal this.
Also, update iscsi-target/tcp + cxgbit to rdma_shutdown = false.
Cc: Varun Prakash <varun@chelsio.com>
Cc: Hariprasad Shenai <hariprasad@chelsio.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
| -rw-r--r-- | drivers/infiniband/ulp/isert/ib_isert.c | 1 | ||||
| -rw-r--r-- | drivers/target/iscsi/cxgbit/cxgbit_main.c | 1 | ||||
| -rw-r--r-- | drivers/target/iscsi/iscsi_target.c | 10 | ||||
| -rw-r--r-- | include/target/iscsi/iscsi_transport.h | 1 |
4 files changed, 7 insertions, 6 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index 9118d7c04a71..eb32ba535434 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -3285,6 +3285,7 @@ static void isert_get_rx_pdu(struct iscsi_conn *conn) static struct iscsit_transport iser_target_transport = { .name = "IB/iSER", .transport_type = ISCSI_INFINIBAND, + .rdma_shutdown = true, .priv_size = sizeof(struct isert_cmd), .owner = THIS_MODULE, .iscsit_setup_np = isert_setup_np, diff --git a/drivers/target/iscsi/cxgbit/cxgbit_main.c b/drivers/target/iscsi/cxgbit/cxgbit_main.c index 39162987d009..c25f5313322c 100644 --- a/drivers/target/iscsi/cxgbit/cxgbit_main.c +++ b/drivers/target/iscsi/cxgbit/cxgbit_main.c @@ -625,6 +625,7 @@ static enum target_prot_op cxgbit_get_sup_prot_ops(struct iscsi_conn *conn) static struct iscsit_transport cxgbit_transport = { .name = DRV_NAME, .transport_type = ISCSI_HW_OFFLOAD, + .rdma_shutdown = false, .priv_size = sizeof(struct cxgbit_cmd), .owner = THIS_MODULE, .iscsit_setup_np = cxgbit_setup_np, diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index bc743d2a71a2..50f3d3a0dd7b 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -670,6 +670,7 @@ static enum target_prot_op iscsit_get_sup_prot_ops(struct iscsi_conn *conn) static struct iscsit_transport iscsi_target_transport = { .name = "iSCSI/TCP", .transport_type = ISCSI_TCP, + .rdma_shutdown = false, .owner = NULL, .iscsit_setup_np = iscsit_setup_np, .iscsit_accept_np = iscsit_accept_np, @@ -4087,8 +4088,7 @@ int iscsit_close_connection( * this for iser since isert_rx_opcode() does not wait on logout failure, * and to avoid iscsi_conn pointer dereference in iser-target code. */ - if ((conn->conn_transport->transport_type == ISCSI_TCP) || - (conn->conn_transport->transport_type == ISCSI_HW_OFFLOAD)) + if (!conn->conn_transport->rdma_shutdown) complete(&conn->conn_logout_comp); if (!strcmp(current->comm, ISCSI_RX_THREAD_NAME)) { @@ -4399,8 +4399,7 @@ static void iscsit_logout_post_handler_closesession( * always sleep waiting for RX/TX thread shutdown to complete * within iscsit_close_connection(). */ - if ((conn->conn_transport->transport_type == ISCSI_TCP) || - (conn->conn_transport->transport_type == ISCSI_HW_OFFLOAD)) + if (!conn->conn_transport->rdma_shutdown) sleep = cmpxchg(&conn->tx_thread_active, true, false); atomic_set(&conn->conn_logout_remove, 0); @@ -4417,8 +4416,7 @@ static void iscsit_logout_post_handler_samecid( { int sleep = 1; - if ((conn->conn_transport->transport_type == ISCSI_TCP) || - (conn->conn_transport->transport_type == ISCSI_HW_OFFLOAD)) + if (!conn->conn_transport->rdma_shutdown) sleep = cmpxchg(&conn->tx_thread_active, true, false); atomic_set(&conn->conn_logout_remove, 0); diff --git a/include/target/iscsi/iscsi_transport.h b/include/target/iscsi/iscsi_transport.h index 3c2e10aac49c..40ac7cd80150 100644 --- a/include/target/iscsi/iscsi_transport.h +++ b/include/target/iscsi/iscsi_transport.h @@ -6,6 +6,7 @@ struct iscsit_transport { #define ISCSIT_TRANSPORT_NAME 16 char name[ISCSIT_TRANSPORT_NAME]; int transport_type; + bool rdma_shutdown; int priv_size; struct module *owner; struct list_head t_node; |