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path: root/drivers/scsi/libsas/sas_scsi_host.c
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Diffstat (limited to 'drivers/scsi/libsas/sas_scsi_host.c')
-rw-r--r--drivers/scsi/libsas/sas_scsi_host.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 1c558d3bce18..14b13196b22d 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -820,10 +820,14 @@ void sas_slave_destroy(struct scsi_device *scsi_dev)
ata_port_disable(dev->sata_dev.ap);
}
-int sas_change_queue_depth(struct scsi_device *scsi_dev, int new_depth)
+int sas_change_queue_depth(struct scsi_device *scsi_dev, int new_depth,
+ int reason)
{
int res = min(new_depth, SAS_MAX_QD);
+ if (reason != SCSI_QDEPTH_DEFAULT)
+ return -EOPNOTSUPP;
+
if (scsi_dev->tagged_supported)
scsi_adjust_queue_depth(scsi_dev, scsi_get_tag_type(scsi_dev),
res);