ibmvscsis: Add SGL limit

commit b22bc27868e8c11fe3f00937a341b44f80b50364 upstream.

This patch adds internal LIO sgl limit since the driver already
sets a max transfer limit on transport layer of 1MB to the client.

Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com>
Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
index e3b911c..91dfd58 100644 (file)
--- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
+++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
@@ -3929,6 +3929,7 @@ static struct configfs_attribute *ibmvscsis_tpg_attrs[] = {
 static const struct target_core_fabric_ops ibmvscsis_ops = {
        .module                         = THIS_MODULE,
        .name                           = "ibmvscsis",
+       .max_data_sg_nents              = MAX_TXU / PAGE_SIZE,
        .get_fabric_name                = ibmvscsis_get_fabric_name,
        .tpg_get_wwn                    = ibmvscsis_get_fabric_wwn,
        .tpg_get_tag                    = ibmvscsis_get_tag,