From: Pete Wyckoff <pw@xxxxxxxx>
Mark iscsi_tcp as being capable of bidirectional transfers. The
bsg interface checks this bit before attempting any bidirectional
commands.
Signed-off-by: Pete Wyckoff <pw@xxxxxxxx>
Signed-off-by: Boaz Harrosh <bharrosh@xxxxxxxxxxx>
Signed-off-by: Mike Christie <michaelc@xxxxxxxxxxx>
---
drivers/scsi/iscsi_tcp.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 23808df..5a08ca4 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -813,6 +813,12 @@ static void iscsi_sw_tcp_session_destroy(struct iscsi_cls_session *cls_session)
iscsi_host_free(shost);
}
+static int iscsi_sw_tcp_slave_alloc(struct scsi_device *sdev)
+{
+ set_bit(QUEUE_FLAG_BIDI, &sdev->request_queue->queue_flags);
+ return 0;
+}
+
static int iscsi_sw_tcp_slave_configure(struct scsi_device *sdev)
{
blk_queue_bounce_limit(sdev->request_queue, BLK_BOUNCE_ANY);
@@ -833,6 +839,7 @@ static struct scsi_host_template iscsi_sw_tcp_sht = {
.eh_device_reset_handler= iscsi_eh_device_reset,
.eh_target_reset_handler= iscsi_eh_target_reset,
.use_clustering = DISABLE_CLUSTERING,
+ .slave_alloc = iscsi_sw_tcp_slave_alloc,
.slave_configure = iscsi_sw_tcp_slave_configure,
.proc_name = "iscsi_tcp",
.this_id = -1,
--
1.6.0.6
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