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path: root/drivers/scsi/qla2xxx/qla_os.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c48
1 files changed, 2 insertions, 46 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 33166ebec7d8..20049b176b64 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -270,6 +270,7 @@ struct scsi_host_template qla2xxx_driver_template = {
.supported_mode = MODE_INITIATOR,
.use_blk_tags = 1,
+ .track_queue_depth = 1,
};
static struct scsi_transport_template *qla2xxx_transport_template = NULL;
@@ -1415,55 +1416,10 @@ qla2xxx_slave_destroy(struct scsi_device *sdev)
sdev->hostdata = NULL;
}
-static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
-{
- fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
-
- if (!scsi_track_queue_full(sdev, qdepth))
- return;
-
- ql_dbg(ql_dbg_io, fcport->vha, 0x3029,
- "Queue depth adjusted-down to %d for nexus=%ld:%d:%llu.\n",
- sdev->queue_depth, fcport->vha->host_no, sdev->id, sdev->lun);
-}
-
-static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
-{
- fc_port_t *fcport = sdev->hostdata;
- struct scsi_qla_host *vha = fcport->vha;
- struct req_que *req = NULL;
-
- req = vha->req;
- if (!req)
- return;
-
- if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
- return;
-
- scsi_adjust_queue_depth(sdev, qdepth);
-
- ql_dbg(ql_dbg_io, vha, 0x302a,
- "Queue depth adjusted-up to %d for nexus=%ld:%d:%llu.\n",
- sdev->queue_depth, fcport->vha->host_no, sdev->id, sdev->lun);
-}
-
static int
qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
{
- switch (reason) {
- case SCSI_QDEPTH_DEFAULT:
- scsi_adjust_queue_depth(sdev, qdepth);
- break;
- case SCSI_QDEPTH_QFULL:
- qla2x00_handle_queue_full(sdev, qdepth);
- break;
- case SCSI_QDEPTH_RAMP_UP:
- qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
- break;
- default:
- return -EOPNOTSUPP;
- }
-
+ scsi_adjust_queue_depth(sdev, qdepth);
return sdev->queue_depth;
}