Allow transport callback xmit_task to return a non-transient
error code -EINVAL to inform us not to retry the task. For any
other error code keep the current retry behavior.
Signed-off-by: Sagi Grimberg <sa...@mellanox.com>
---
drivers/scsi/libiscsi.c | 13 ++++++++++---
1 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 3d1bc67..03768a9 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1722,10 +1722,17 @@ int iscsi_queuecommand(struct Scsi_Host *host, struct
scsi_cmnd *sc)
goto prepd_fault;
}
}
- if (session->tt->xmit_task(task)) {
+
+ reason = session->tt->xmit_task(task);
+ if (reason) {
session->cmdsn--;
- reason = FAILURE_SESSION_NOT_READY;
- goto prepd_reject;
+ if (reason == -EINVAL) {
+ sc->result = DID_ABORT << 16;
+ goto prepd_fault;
+ } else {
+ reason = FAILURE_SESSION_NOT_READY;
+ goto prepd_reject;
+ }
}
} else {
list_add_tail(&task->running, &conn->cmdqueue);
--
1.7.1
--
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