target: Remove first argument of target_{get,put}_sess_cmd()

[ Upstream commit afc16604c06414223478df3e42301ab630b9960a ]

The first argument of these two functions is always identical
to se_cmd->se_sess. Hence remove the first argument.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Andy Grover <agrover@redhat.com>
Cc: <qla2xxx-upstream@qlogic.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

5 files changed, 21 insertions, 22 deletions

diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 062633295bc2..958c732c428e 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -704,7 +704,7 @@ static int iscsit_add_reject_from_cmd(
 	 */
 	if (cmd->se_cmd.se_tfo != NULL) {
 		pr_debug("iscsi reject: calling target_put_sess_cmd >>>>>>\n");
-		target_put_sess_cmd(conn->sess->se_sess, &cmd->se_cmd);
+		target_put_sess_cmd(&cmd->se_cmd);
 	}
 	return -1;
 }
@@ -994,7 +994,7 @@ int iscsit_setup_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
 		hdr->cmdsn, be32_to_cpu(hdr->data_length), payload_length,
 		conn->cid);
 
-	target_get_sess_cmd(conn->sess->se_sess, &cmd->se_cmd, true);
+	target_get_sess_cmd(&cmd->se_cmd, true);
 
 	cmd->sense_reason = transport_lookup_cmd_lun(&cmd->se_cmd,
 						     scsilun_to_int(&hdr->lun));
@@ -1060,7 +1060,7 @@ int iscsit_process_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
 		if (cmdsn_ret == CMDSN_ERROR_CANNOT_RECOVER)
 			return -1;
 		else if (cmdsn_ret == CMDSN_LOWER_THAN_EXP) {
-			target_put_sess_cmd(conn->sess->se_sess, &cmd->se_cmd);
+			target_put_sess_cmd(&cmd->se_cmd);
 			return 0;
 		}
 	}
@@ -1076,7 +1076,7 @@ int iscsit_process_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
 		if (!cmd->sense_reason)
 			return 0;
 
-		target_put_sess_cmd(conn->sess->se_sess, &cmd->se_cmd);
+		target_put_sess_cmd(&cmd->se_cmd);
 		return 0;
 	}
 
@@ -1107,7 +1107,6 @@ static int
 iscsit_get_immediate_data(struct iscsi_cmd *cmd, struct iscsi_scsi_req *hdr,
 			  bool dump_payload)
 {
-	struct iscsi_conn *conn = cmd->conn;
 	int cmdsn_ret = 0, immed_ret = IMMEDIATE_DATA_NORMAL_OPERATION;
 	/*
 	 * Special case for Unsupported SAM WRITE Opcodes and ImmediateData=Yes.
@@ -1134,7 +1133,7 @@ after_immediate_data:
 
 			rc = iscsit_dump_data_payload(cmd->conn,
 						      cmd->first_burst_len, 1);
-			target_put_sess_cmd(conn->sess->se_sess, &cmd->se_cmd);
+			target_put_sess_cmd(&cmd->se_cmd);
 			return rc;
 		} else if (cmd->unsolicited_data)
 			iscsit_set_unsoliticed_dataout(cmd);
@@ -1804,7 +1803,7 @@ iscsit_handle_task_mgt_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
 				      conn->sess->se_sess, 0, DMA_NONE,
 				      MSG_SIMPLE_TAG, cmd->sense_buffer + 2);
 
-		target_get_sess_cmd(conn->sess->se_sess, &cmd->se_cmd, true);
+		target_get_sess_cmd(&cmd->se_cmd, true);
 		sess_ref = true;
 
 		switch (function) {
@@ -1946,7 +1945,7 @@ attach:
 	 */
 	if (sess_ref) {
 		pr_debug("Handle TMR, using sess_ref=true check\n");
-		target_put_sess_cmd(conn->sess->se_sess, &cmd->se_cmd);
+		target_put_sess_cmd(&cmd->se_cmd);
 	}
 
 	iscsit_add_cmd_to_response_queue(cmd, conn, cmd->i_state);
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c
index 80a1a4fbede0..bf8c6e446b68 100644
--- a/drivers/target/iscsi/iscsi_target_configfs.c
+++ b/drivers/target/iscsi/iscsi_target_configfs.c
@@ -1961,7 +1961,7 @@ static void lio_set_default_node_attributes(struct se_node_acl *se_acl)
 
 static int lio_check_stop_free(struct se_cmd *se_cmd)
 {
-	return target_put_sess_cmd(se_cmd->se_sess, se_cmd);
+	return target_put_sess_cmd(se_cmd);
 }
 
 static void lio_release_cmd(struct se_cmd *se_cmd)
diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
index 0b68c2ebce95..9062bdaf26ae 100644
--- a/drivers/target/iscsi/iscsi_target_util.c
+++ b/drivers/target/iscsi/iscsi_target_util.c
@@ -746,7 +746,7 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown)
 		rc = transport_generic_free_cmd(&cmd->se_cmd, shutdown);
 		if (!rc && shutdown && se_cmd && se_cmd->se_sess) {
 			__iscsit_free_cmd(cmd, true, shutdown);
-			target_put_sess_cmd(se_cmd->se_sess, se_cmd);
+			target_put_sess_cmd(se_cmd);
 		}
 		break;
 	case ISCSI_OP_REJECT:
@@ -762,7 +762,7 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown)
 			rc = transport_generic_free_cmd(&cmd->se_cmd, shutdown);
 			if (!rc && shutdown && se_cmd->se_sess) {
 				__iscsit_free_cmd(cmd, true, shutdown);
-				target_put_sess_cmd(se_cmd->se_sess, se_cmd);
+				target_put_sess_cmd(se_cmd);
 			}
 			break;
 		}
diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c
index fa5e157db47b..67a0ef38c740 100644
--- a/drivers/target/target_core_tmr.c
+++ b/drivers/target/target_core_tmr.c
@@ -153,7 +153,7 @@ void core_tmr_abort_task(
 		cancel_work_sync(&se_cmd->work);
 		transport_wait_for_tasks(se_cmd);
 
-		target_put_sess_cmd(se_sess, se_cmd);
+		target_put_sess_cmd(se_cmd);
 		transport_cmd_finish_abort(se_cmd, true);
 
 		printk("ABORT_TASK: Sending TMR_FUNCTION_COMPLETE for"
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index e786e9104c41..1464456fabbc 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1379,7 +1379,7 @@ int target_submit_cmd_map_sgls(struct se_cmd *se_cmd, struct se_session *se_sess
 	 * for fabrics using TARGET_SCF_ACK_KREF that expect a second
 	 * kref_put() to happen during fabric packet acknowledgement.
 	 */
-	ret = target_get_sess_cmd(se_sess, se_cmd, (flags & TARGET_SCF_ACK_KREF));
+	ret = target_get_sess_cmd(se_cmd, flags & TARGET_SCF_ACK_KREF);
 	if (ret)
 		return ret;
 	/*
@@ -1393,7 +1393,7 @@ int target_submit_cmd_map_sgls(struct se_cmd *se_cmd, struct se_session *se_sess
 	rc = transport_lookup_cmd_lun(se_cmd, unpacked_lun);
 	if (rc) {
 		transport_send_check_condition_and_sense(se_cmd, rc, 0);
-		target_put_sess_cmd(se_sess, se_cmd);
+		target_put_sess_cmd(se_cmd);
 		return 0;
 	}
 
@@ -1544,7 +1544,7 @@ int target_submit_tmr(struct se_cmd *se_cmd, struct se_session *se_sess,
 		se_cmd->se_tmr_req->ref_task_tag = tag;
 
 	/* See target_submit_cmd for commentary */
-	ret = target_get_sess_cmd(se_sess, se_cmd, (flags & TARGET_SCF_ACK_KREF));
+	ret = target_get_sess_cmd(se_cmd, flags & TARGET_SCF_ACK_KREF);
 	if (ret) {
 		core_tmr_release_req(se_cmd->se_tmr_req);
 		return ret;
@@ -2146,7 +2146,7 @@ static int transport_release_cmd(struct se_cmd *cmd)
 	 * If this cmd has been setup with target_get_sess_cmd(), drop
 	 * the kref and call ->release_cmd() in kref callback.
 	 */
-	return target_put_sess_cmd(cmd->se_sess, cmd);
+	return target_put_sess_cmd(cmd);
 }
 
 /**
@@ -2390,13 +2390,12 @@ int transport_generic_free_cmd(struct se_cmd *cmd, int wait_for_tasks)
 EXPORT_SYMBOL(transport_generic_free_cmd);
 
 /* target_get_sess_cmd - Add command to active ->sess_cmd_list
- * @se_sess:	session to reference
  * @se_cmd:	command descriptor to add
  * @ack_kref:	Signal that fabric will perform an ack target_put_sess_cmd()
  */
-int target_get_sess_cmd(struct se_session *se_sess, struct se_cmd *se_cmd,
-			       bool ack_kref)
+int target_get_sess_cmd(struct se_cmd *se_cmd, bool ack_kref)
 {
+	struct se_session *se_sess = se_cmd->se_sess;
 	unsigned long flags;
 	int ret = 0;
 
@@ -2420,7 +2419,7 @@ out:
 	spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
 
 	if (ret && ack_kref)
-		target_put_sess_cmd(se_sess, se_cmd);
+		target_put_sess_cmd(se_cmd);
 
 	return ret;
 }
@@ -2448,11 +2447,12 @@ static void target_release_cmd_kref(struct kref *kref)
 }
 
 /* target_put_sess_cmd - Check for active I/O shutdown via kref_put
- * @se_sess:	session to reference
  * @se_cmd:	command descriptor to drop
  */
-int target_put_sess_cmd(struct se_session *se_sess, struct se_cmd *se_cmd)
+int target_put_sess_cmd(struct se_cmd *se_cmd)
 {
+	struct se_session *se_sess = se_cmd->se_sess;
+
 	if (!se_sess) {
 		se_cmd->se_tfo->release_cmd(se_cmd);
 		return 1;