diff options
Diffstat (limited to 'drivers/ata/libata-scsi.c')
| -rw-r--r-- | drivers/ata/libata-scsi.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 62e6b9ea96af..1683ebda900b 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1208,6 +1208,7 @@ void ata_scsi_slave_destroy(struct scsi_device *sdev) * ata_scsi_change_queue_depth - SCSI callback for queue depth config * @sdev: SCSI device to configure queue depth for * @queue_depth: new queue depth + * @reason: calling context * * This is libata standard hostt->change_queue_depth callback. * SCSI will call into this callback when user tries to set queue @@ -1219,12 +1220,16 @@ void ata_scsi_slave_destroy(struct scsi_device *sdev) * RETURNS: * Newly configured queue depth. */ -int ata_scsi_change_queue_depth(struct scsi_device *sdev, int queue_depth) +int ata_scsi_change_queue_depth(struct scsi_device *sdev, int queue_depth, + int reason) { struct ata_port *ap = ata_shost_to_port(sdev->host); struct ata_device *dev; unsigned long flags; + if (reason != SCSI_QDEPTH_DEFAULT) + return -EOPNOTSUPP; + if (queue_depth < 1 || queue_depth == sdev->queue_depth) return sdev->queue_depth; |