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| author | Mike Christie <michaelc@cs.wisc.edu> | 2009-05-13 17:57:50 -0500 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-05-23 15:44:13 -0500 |
| commit | 4421c9ebeeacf3d9c4e6aa558e1a777178e71add (patch) | |
| tree | a8031ee02bcb91fa3b3793689b9277a92d2ac830 /drivers/scsi/libiscsi.c | |
| parent | b3cd5050bf8eb32ceecee129cac7c59e6f1668c4 (diff) | |
| download | lwn-4421c9ebeeacf3d9c4e6aa558e1a777178e71add.tar.gz lwn-4421c9ebeeacf3d9c4e6aa558e1a777178e71add.zip | |
[SCSI] libiscsi: add debug printks for iscsi command completion path
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>
Diffstat (limited to 'drivers/scsi/libiscsi.c')
| -rw-r--r-- | 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 b00be6c3efc1..59908aead531 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; } |