target: replace ->execute_task with ->execute_cmd

Make CDB emulation work on commands instead of tasks again as a preparation
of removing tasks completely.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index c7746a3..c39ae7c 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -59,9 +59,8 @@
  *
  * See spc4r17 section 6.27
  */
-int target_emulate_report_target_port_groups(struct se_task *task)
+int target_emulate_report_target_port_groups(struct se_cmd *cmd)
 {
-	struct se_cmd *cmd = task->task_se_cmd;
 	struct se_subsystem_dev *su_dev = cmd->se_dev->se_sub_dev;
 	struct se_port *port;
 	struct t10_alua_tg_pt_gp *tg_pt_gp;
@@ -166,8 +165,7 @@
 
 	transport_kunmap_data_sg(cmd);
 
-	task->task_scsi_status = GOOD;
-	transport_complete_task(task, 1);
+	target_complete_cmd(cmd, GOOD);
 	return 0;
 }
 
@@ -176,9 +174,8 @@
  *
  * See spc4r17 section 6.35
  */
-int target_emulate_set_target_port_groups(struct se_task *task)
+int target_emulate_set_target_port_groups(struct se_cmd *cmd)
 {
-	struct se_cmd *cmd = task->task_se_cmd;
 	struct se_device *dev = cmd->se_dev;
 	struct se_subsystem_dev *su_dev = dev->se_sub_dev;
 	struct se_port *port, *l_port = cmd->se_lun->lun_sep;
@@ -351,8 +348,7 @@
 
 out:
 	transport_kunmap_data_sg(cmd);
-	task->task_scsi_status = GOOD;
-	transport_complete_task(task, 1);
+	target_complete_cmd(cmd, GOOD);
 	return 0;
 }