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[SCSI] libiscsi: add debug printks for iscsi command completion path

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This patch just adds some debug statements for the abort
and completion paths.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Mike Christie 2009-05-13 17:57:50 -05:00 committed by James Bottomley
parent b3cd5050bf
commit 4421c9ebee
1 changed files with 10 additions and 1 deletions
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11
drivers/scsi/libiscsi.c
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@ -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;
}