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authorMike Christie <mchristi@redhat.com>2017-10-25 19:47:14 +0300
committerNicholas Bellinger <nab@linux-iscsi.org>2017-11-05 01:01:49 +0300
commita271eac46a9a2457f4e8c757f9b7fc92a445cf48 (patch)
tree911ac9371723230788ad383b899307f5ec5efc78 /drivers
parent55435badda8bd8e4c97a8b6c3fa9eef79b02fe44 (diff)
downloadlinux-a271eac46a9a2457f4e8c757f9b7fc92a445cf48.tar.xz
target: return SAM_STAT_TASK_SET_FULL for TCM_OUT_OF_RESOURCES
TCM_OUT_OF_RESOURCES is getting translated to TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE which seems like a heavy error when we just cannot allocate a resource that may be allocatable later. This has us translate TCM_OUT_OF_RESOURCES to SAM_STAT_TASK_SET_FULL instead. Signed-off-by: Mike Christie <mchristi@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/target/target_core_transport.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 190f3ba23707..e791a7b63382 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1772,8 +1772,8 @@ void transport_generic_request_failure(struct se_cmd *cmd,
case TCM_UNSUPPORTED_SEGMENT_DESC_TYPE_CODE:
break;
case TCM_OUT_OF_RESOURCES:
- sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- break;
+ cmd->scsi_status = SAM_STAT_TASK_SET_FULL;
+ goto queue_status;
case TCM_RESERVATION_CONFLICT:
/*
* No SENSE Data payload for this case, set SCSI Status
@@ -1795,11 +1795,8 @@ void transport_generic_request_failure(struct se_cmd *cmd,
cmd->orig_fe_lun, 0x2C,
ASCQ_2CH_PREVIOUS_RESERVATION_CONFLICT_STATUS);
}
- trace_target_cmd_complete(cmd);
- ret = cmd->se_tfo->queue_status(cmd);
- if (ret)
- goto queue_full;
- goto check_stop;
+
+ goto queue_status;
default:
pr_err("Unknown transport error for CDB 0x%02x: %d\n",
cmd->t_task_cdb[0], sense_reason);
@@ -1816,6 +1813,11 @@ check_stop:
transport_cmd_check_stop_to_fabric(cmd);
return;
+queue_status:
+ trace_target_cmd_complete(cmd);
+ ret = cmd->se_tfo->queue_status(cmd);
+ if (!ret)
+ goto check_stop;
queue_full:
transport_handle_queue_full(cmd, cmd->se_dev, ret, false);
}