[SCSI] cxgb3i, iser, iscsi_tcp: set target can queue
Set target can queue limit to the number of preallocated
session tasks we have.
This along with the cxgb3i can_queue patch will fix a throughput
problem where it could only queue one LU worth of data at a time.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 6896283..e72b4ad 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1463,6 +1463,16 @@
}
EXPORT_SYMBOL_GPL(iscsi_change_queue_depth);
+int iscsi_target_alloc(struct scsi_target *starget)
+{
+ struct iscsi_cls_session *cls_session = starget_to_session(starget);
+ struct iscsi_session *session = cls_session->dd_data;
+
+ starget->can_queue = session->scsi_cmds_max;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(iscsi_target_alloc);
+
void iscsi_session_recovery_timedout(struct iscsi_cls_session *cls_session)
{
struct iscsi_session *session = cls_session->dd_data;