diff options
Diffstat (limited to 'include/scsi/scsi_host.h')
| -rw-r--r-- | include/scsi/scsi_host.h | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 61a81bf77e28..c8a462ef9a4e 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -46,12 +46,6 @@ struct blk_queue_tags; #define DISABLE_CLUSTERING 0 #define ENABLE_CLUSTERING 1 -enum { - SCSI_QDEPTH_DEFAULT, /* default requested change, e.g. from sysfs */ - SCSI_QDEPTH_QFULL, /* scsi-ml requested due to queue full */ - SCSI_QDEPTH_RAMP_UP, /* scsi-ml requested due to threshold event */ -}; - struct scsi_host_template { struct module *module; const char *name; @@ -195,7 +189,7 @@ struct scsi_host_template { * Things currently recommended to be handled at this time include: * * 1. Setting the device queue depth. Proper setting of this is - * described in the comments for scsi_adjust_queue_depth. + * described in the comments for scsi_change_queue_depth. * 2. Determining if the device supports the various synchronous * negotiation protocols. The device struct will already have * responded to INQUIRY and the results of the standard items @@ -281,7 +275,7 @@ struct scsi_host_template { * * Status: OPTIONAL */ - int (* change_queue_depth)(struct scsi_device *, int, int); + int (* change_queue_depth)(struct scsi_device *, int); /* * Fill in this function to allow the changing of tag types @@ -427,6 +421,11 @@ struct scsi_host_template { unsigned use_blk_tags:1; /* + * Track QUEUE_FULL events and reduce queue depth on demand. + */ + unsigned track_queue_depth:1; + + /* * This specifies the mode that a LLD supports. */ unsigned supported_mode:2; |