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path: root/drivers/target/target_core_tmr.c
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Diffstat (limited to 'drivers/target/target_core_tmr.c')
-rw-r--r--drivers/target/target_core_tmr.c56
1 files changed, 32 insertions, 24 deletions
diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c
index 6d1179a7f043..ad0061e09d4c 100644
--- a/drivers/target/target_core_tmr.c
+++ b/drivers/target/target_core_tmr.c
@@ -163,18 +163,23 @@ void core_tmr_abort_task(
continue;
printk("ABORT_TASK: Found referenced %s task_tag: %llu\n",
- se_cmd->se_tfo->get_fabric_name(), ref_tag);
+ se_cmd->se_tfo->fabric_name, ref_tag);
- if (!__target_check_io_state(se_cmd, se_sess, 0))
+ if (!__target_check_io_state(se_cmd, se_sess,
+ dev->dev_attrib.emulate_tas))
continue;
spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
- cancel_work_sync(&se_cmd->work);
- transport_wait_for_tasks(se_cmd);
+ /*
+ * Ensure that this ABORT request is visible to the LU RESET
+ * code.
+ */
+ if (!tmr->tmr_dev)
+ WARN_ON_ONCE(transport_lookup_tmr_lun(tmr->task_cmd,
+ se_cmd->orig_fe_lun) < 0);
- if (!transport_cmd_finish_abort(se_cmd))
- target_put_sess_cmd(se_cmd);
+ target_put_cmd_and_wait(se_cmd);
printk("ABORT_TASK: Sending TMR_FUNCTION_COMPLETE for"
" ref_tag: %llu\n", ref_tag);
@@ -268,14 +273,28 @@ static void core_tmr_drain_tmr_list(
(preempt_and_abort_list) ? "Preempt" : "", tmr_p,
tmr_p->function, tmr_p->response, cmd->t_state);
- cancel_work_sync(&cmd->work);
- transport_wait_for_tasks(cmd);
-
- if (!transport_cmd_finish_abort(cmd))
- target_put_sess_cmd(cmd);
+ target_put_cmd_and_wait(cmd);
}
}
+/**
+ * core_tmr_drain_state_list() - abort SCSI commands associated with a device
+ *
+ * @dev: Device for which to abort outstanding SCSI commands.
+ * @prout_cmd: Pointer to the SCSI PREEMPT AND ABORT if this function is called
+ * to realize the PREEMPT AND ABORT functionality.
+ * @tmr_sess: Session through which the LUN RESET has been received.
+ * @tas: Task Aborted Status (TAS) bit from the SCSI control mode page.
+ * A quote from SPC-4, paragraph "7.5.10 Control mode page":
+ * "A task aborted status (TAS) bit set to zero specifies that
+ * aborted commands shall be terminated by the device server
+ * without any response to the application client. A TAS bit set
+ * to one specifies that commands aborted by the actions of an I_T
+ * nexus other than the I_T nexus on which the command was
+ * received shall be completed with TASK ABORTED status."
+ * @preempt_and_abort_list: For the PREEMPT AND ABORT functionality, a list
+ * with registrations that will be preempted.
+ */
static void core_tmr_drain_state_list(
struct se_device *dev,
struct se_cmd *prout_cmd,
@@ -350,18 +369,7 @@ static void core_tmr_drain_state_list(
cmd->tag, (preempt_and_abort_list) ? "preempt" : "",
cmd->pr_res_key);
- /*
- * If the command may be queued onto a workqueue cancel it now.
- *
- * This is equivalent to removal from the execute queue in the
- * loop above, but we do it down here given that
- * cancel_work_sync may block.
- */
- cancel_work_sync(&cmd->work);
- transport_wait_for_tasks(cmd);
-
- if (!transport_cmd_finish_abort(cmd))
- target_put_sess_cmd(cmd);
+ target_put_cmd_and_wait(cmd);
}
}
@@ -398,7 +406,7 @@ int core_tmr_lun_reset(
if (tmr_nacl && tmr_tpg) {
pr_debug("LUN_RESET: TMR caller fabric: %s"
" initiator port %s\n",
- tmr_tpg->se_tpg_tfo->get_fabric_name(),
+ tmr_tpg->se_tpg_tfo->fabric_name,
tmr_nacl->initiatorname);
}
}