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authorVarun Prakash <varun@chelsio.com>2016-04-20 00:00:10 +0530
committerNicholas Bellinger <nab@linux-iscsi.org>2016-05-09 23:12:07 -0700
commit187e84f7c2e4fa0028241c253c24658ef658e5d3 (patch)
tree9b7acc4aa174726240357e564e836554a6356b62
parentiscsi-target: add void (*iscsit_release_cmd)() (diff)
downloadlinux-dev-187e84f7c2e4fa0028241c253c24658ef658e5d3.tar.xz
linux-dev-187e84f7c2e4fa0028241c253c24658ef658e5d3.zip
iscsi-target: add void (*iscsit_get_rx_pdu)()
Add void (*iscsit_get_rx_pdu)() to struct iscsit_transport, iscsi-target uses this callback to receive and process Rx iSCSI PDUs. cxgbit.ko needs this callback to reuse iscsi-target Rx thread. Signed-off-by: Varun Prakash <varun@chelsio.com> Acked-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c10
-rw-r--r--drivers/target/iscsi/iscsi_target.c10
-rw-r--r--include/target/iscsi/iscsi_transport.h1
3 files changed, 13 insertions, 8 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 411e4464ca23..9118d7c04a71 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -3273,6 +3273,15 @@ static void isert_free_conn(struct iscsi_conn *conn)
isert_put_conn(isert_conn);
}
+static void isert_get_rx_pdu(struct iscsi_conn *conn)
+{
+ struct completion comp;
+
+ init_completion(&comp);
+
+ wait_for_completion_interruptible(&comp);
+}
+
static struct iscsit_transport iser_target_transport = {
.name = "IB/iSER",
.transport_type = ISCSI_INFINIBAND,
@@ -3291,6 +3300,7 @@ static struct iscsit_transport iser_target_transport = {
.iscsit_queue_data_in = isert_put_datain,
.iscsit_queue_status = isert_put_response,
.iscsit_aborted_task = isert_aborted_task,
+ .iscsit_get_rx_pdu = isert_get_rx_pdu,
.iscsit_get_sup_prot_ops = isert_get_sup_prot_ops,
};
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 0724c8355e29..9fa9f0b3a0f4 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -3951,14 +3951,8 @@ int iscsi_target_rx_thread(void *arg)
if (rc < 0 || iscsi_target_check_conn_state(conn))
return 0;
- if (conn->conn_transport->transport_type == ISCSI_INFINIBAND) {
- struct completion comp;
-
- init_completion(&comp);
- rc = wait_for_completion_interruptible(&comp);
- if (rc < 0)
- goto transport_err;
-
+ if (conn->conn_transport->iscsit_get_rx_pdu) {
+ conn->conn_transport->iscsit_get_rx_pdu(conn);
goto transport_err;
}
diff --git a/include/target/iscsi/iscsi_transport.h b/include/target/iscsi/iscsi_transport.h
index 3b0053efdfba..ccc68a0334c2 100644
--- a/include/target/iscsi/iscsi_transport.h
+++ b/include/target/iscsi/iscsi_transport.h
@@ -25,6 +25,7 @@ struct iscsit_transport {
int (*iscsit_xmit_pdu)(struct iscsi_conn *, struct iscsi_cmd *,
struct iscsi_datain_req *, const void *, u32);
void (*iscsit_release_cmd)(struct iscsi_conn *, struct iscsi_cmd *);
+ void (*iscsit_get_rx_pdu)(struct iscsi_conn *);
enum target_prot_op (*iscsit_get_sup_prot_ops)(struct iscsi_conn *);
};