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path: root/drivers/s390/scsi
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Diffstat (limited to 'drivers/s390/scsi')
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index ad115470172..f54655998bd 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -32,10 +32,19 @@ char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *fcp_rsp_iu)
static int zfcp_scsi_change_queue_depth(struct scsi_device *sdev, int depth,
int reason)
{
- if (reason != SCSI_QDEPTH_DEFAULT)
+ switch (reason) {
+ case SCSI_QDEPTH_DEFAULT:
+ scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), depth);
+ break;
+ case SCSI_QDEPTH_QFULL:
+ scsi_track_queue_full(sdev, depth);
+ break;
+ case SCSI_QDEPTH_RAMP_UP:
+ scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), depth);
+ break;
+ default:
return -EOPNOTSUPP;
-
- scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), depth);
+ }
return sdev->queue_depth;
}