IB/iser: Add change_queue_depth method

Add a .change_queue_depth handler to the scsi_host_template in the
iSER driver.  iscsi_change_queue_depth was added to iscsi_tcp in order
to solve the problem of queue depth which was too high for some
targets.  It is also applicable for iSER.

Signed-off-by: Erez Zilber <erezz@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index bad8dac..dfa5a45 100644 (file)
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -551,6 +551,7 @@ static struct scsi_host_template iscsi_iser_sht = {
        .module                 = THIS_MODULE,
        .name                   = "iSCSI Initiator over iSER, v." DRV_VER,
        .queuecommand           = iscsi_queuecommand,
+       .change_queue_depth     = iscsi_change_queue_depth,
        .can_queue              = ISCSI_DEF_XMIT_CMDS_MAX - 1,
        .sg_tablesize           = ISCSI_ISER_SG_TABLESIZE,
        .max_sectors            = 1024,