On 08/17/2014 10:23 AM, Sagi Grimberg wrote:
> 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);
>
Looks ok to me.
Acked-by: Mike Christie <micha...@cs.wisc.edu>
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