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path: root/drivers/target/iscsi/iscsi_target_util.c
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Diffstat (limited to 'drivers/target/iscsi/iscsi_target_util.c')
-rw-r--r--drivers/target/iscsi/iscsi_target_util.c50
1 files changed, 37 insertions, 13 deletions
diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
index 2cc6c9a3ffb8..08a3bacef0c5 100644
--- a/drivers/target/iscsi/iscsi_target_util.c
+++ b/drivers/target/iscsi/iscsi_target_util.c
@@ -676,40 +676,56 @@ void iscsit_free_queue_reqs_for_conn(struct iscsi_conn *conn)
676 676
677void iscsit_release_cmd(struct iscsi_cmd *cmd) 677void iscsit_release_cmd(struct iscsi_cmd *cmd)
678{ 678{
679 struct iscsi_conn *conn = cmd->conn;
680
681 iscsit_free_r2ts_from_list(cmd);
682 iscsit_free_all_datain_reqs(cmd);
683
684 kfree(cmd->buf_ptr); 679 kfree(cmd->buf_ptr);
685 kfree(cmd->pdu_list); 680 kfree(cmd->pdu_list);
686 kfree(cmd->seq_list); 681 kfree(cmd->seq_list);
687 kfree(cmd->tmr_req); 682 kfree(cmd->tmr_req);
688 kfree(cmd->iov_data); 683 kfree(cmd->iov_data);
689 684
690 if (conn) { 685 kmem_cache_free(lio_cmd_cache, cmd);
686}
687
688static void __iscsit_free_cmd(struct iscsi_cmd *cmd, bool scsi_cmd,
689 bool check_queues)
690{
691 struct iscsi_conn *conn = cmd->conn;
692
693 if (scsi_cmd) {
694 if (cmd->data_direction == DMA_TO_DEVICE) {
695 iscsit_stop_dataout_timer(cmd);
696 iscsit_free_r2ts_from_list(cmd);
697 }
698 if (cmd->data_direction == DMA_FROM_DEVICE)
699 iscsit_free_all_datain_reqs(cmd);
700 }
701
702 if (conn && check_queues) {
691 iscsit_remove_cmd_from_immediate_queue(cmd, conn); 703 iscsit_remove_cmd_from_immediate_queue(cmd, conn);
692 iscsit_remove_cmd_from_response_queue(cmd, conn); 704 iscsit_remove_cmd_from_response_queue(cmd, conn);
693 } 705 }
694
695 kmem_cache_free(lio_cmd_cache, cmd);
696} 706}
697 707
698void iscsit_free_cmd(struct iscsi_cmd *cmd) 708void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown)
699{ 709{
710 struct se_cmd *se_cmd = NULL;
711 int rc;
700 /* 712 /*
701 * Determine if a struct se_cmd is associated with 713 * Determine if a struct se_cmd is associated with
702 * this struct iscsi_cmd. 714 * this struct iscsi_cmd.
703 */ 715 */
704 switch (cmd->iscsi_opcode) { 716 switch (cmd->iscsi_opcode) {
705 case ISCSI_OP_SCSI_CMD: 717 case ISCSI_OP_SCSI_CMD:
706 if (cmd->data_direction == DMA_TO_DEVICE) 718 se_cmd = &cmd->se_cmd;
707 iscsit_stop_dataout_timer(cmd); 719 __iscsit_free_cmd(cmd, true, shutdown);
708 /* 720 /*
709 * Fallthrough 721 * Fallthrough
710 */ 722 */
711 case ISCSI_OP_SCSI_TMFUNC: 723 case ISCSI_OP_SCSI_TMFUNC:
712 transport_generic_free_cmd(&cmd->se_cmd, 1); 724 rc = transport_generic_free_cmd(&cmd->se_cmd, 1);
725 if (!rc && shutdown && se_cmd && se_cmd->se_sess) {
726 __iscsit_free_cmd(cmd, true, shutdown);
727 target_put_sess_cmd(se_cmd->se_sess, se_cmd);
728 }
713 break; 729 break;
714 case ISCSI_OP_REJECT: 730 case ISCSI_OP_REJECT:
715 /* 731 /*
@@ -718,11 +734,19 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd)
718 * associated cmd->se_cmd needs to be released. 734 * associated cmd->se_cmd needs to be released.
719 */ 735 */
720 if (cmd->se_cmd.se_tfo != NULL) { 736 if (cmd->se_cmd.se_tfo != NULL) {
721 transport_generic_free_cmd(&cmd->se_cmd, 1); 737 se_cmd = &cmd->se_cmd;
738 __iscsit_free_cmd(cmd, true, shutdown);
739
740 rc = transport_generic_free_cmd(&cmd->se_cmd, 1);
741 if (!rc && shutdown && se_cmd->se_sess) {
742 __iscsit_free_cmd(cmd, true, shutdown);
743 target_put_sess_cmd(se_cmd->se_sess, se_cmd);
744 }
722 break; 745 break;
723 } 746 }
724 /* Fall-through */ 747 /* Fall-through */
725 default: 748 default:
749 __iscsit_free_cmd(cmd, false, shutdown);
726 cmd->release_cmd(cmd); 750 cmd->release_cmd(cmd);
727 break; 751 break;
728 } 752 }