From: Mike Christie <michaelc@xxxxxxxxxxx>
This patch just adds some debug statements for the abort
and completion paths.
Signed-off-by: Mike Christie <michaelc@xxxxxxxxxxx>
---
drivers/scsi/libiscsi.c | 11 ++++++++++-
1 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index b00be6c..59908ae 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -393,10 +393,12 @@ static void iscsi_free_task(struct iscsi_task *task)
struct iscsi_session *session = conn->session;
struct scsi_cmnd *sc = task->sc;
+ ISCSI_DBG_SESSION(session, "freeing task itt 0x%x state %d sc %p\n",
+ task->itt, task->state, task->sc);
+
session->tt->cleanup_task(task);
task->state = ISCSI_TASK_FREE;
task->sc = NULL;
-
/*
* login task is preallocated so do not free
*/
@@ -451,6 +453,9 @@ static void iscsi_complete_task(struct iscsi_task *task, int state)
{
struct iscsi_conn *conn = task->conn;
+ ISCSI_DBG_SESSION(conn->session,
+ "complete task itt 0x%x state %d sc %p\n",
+ task->itt, task->state, task->sc);
if (task->state == ISCSI_TASK_COMPLETED ||
task->state == ISCSI_TASK_ABRT_TMF ||
task->state == ISCSI_TASK_ABRT_SESS_RECOV)
@@ -1836,6 +1841,8 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
cls_session = starget_to_session(scsi_target(sc->device));
session = cls_session->dd_data;
+ ISCSI_DBG_SESSION(session, "aborting sc %p\n", sc);
+
mutex_lock(&session->eh_mutex);
spin_lock_bh(&session->lock);
/*
@@ -1858,6 +1865,8 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
sc->SCp.phase != session->age) {
spin_unlock_bh(&session->lock);
mutex_unlock(&session->eh_mutex);
+ ISCSI_DBG_SESSION(session, "failing abort due to dropped "
+ "session.\n");
return FAILED;
}
--
1.5.2.1
--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
