diff options
| author | Christoph Hellwig <hch@lst.de> | 2014-11-13 15:08:42 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-11-24 14:45:27 +0100 |
| commit | db5ed4dfd5dd0142ec36ff7b335e0ec3b836b3e6 (patch) | |
| tree | 6cae824b5c9e5a7fd9d213e3f9c2b1c7dc8b7b8a /drivers/scsi/53c700.c | |
| parent | scsi: don't allow setting of queue_depth bigger than can_queue (diff) | |
| download | linux-db5ed4dfd5dd0142ec36ff7b335e0ec3b836b3e6.tar.xz linux-db5ed4dfd5dd0142ec36ff7b335e0ec3b836b3e6.zip | |
scsi: drop reason argument from ->change_queue_depth
Drop the now unused reason argument from the ->change_queue_depth method.
Also add a return value to scsi_adjust_queue_depth, and rename it to
scsi_change_queue_depth now that it can be used as the default
->change_queue_depth implementation.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Diffstat (limited to 'drivers/scsi/53c700.c')
| -rw-r--r-- | drivers/scsi/53c700.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index d7557b932113..aa915da2a5e5 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -175,7 +175,7 @@ STATIC void NCR_700_chip_reset(struct Scsi_Host *host); STATIC int NCR_700_slave_alloc(struct scsi_device *SDpnt); STATIC int NCR_700_slave_configure(struct scsi_device *SDpnt); STATIC void NCR_700_slave_destroy(struct scsi_device *SDpnt); -static int NCR_700_change_queue_depth(struct scsi_device *SDpnt, int depth, int reason); +static int NCR_700_change_queue_depth(struct scsi_device *SDpnt, int depth); static int NCR_700_change_queue_type(struct scsi_device *SDpnt, int depth); STATIC struct device_attribute *NCR_700_dev_attrs[]; @@ -904,7 +904,7 @@ process_message(struct Scsi_Host *host, struct NCR_700_Host_Parameters *hostdata hostdata->tag_negotiated &= ~(1<<scmd_id(SCp)); SCp->device->tagged_supported = 0; - scsi_adjust_queue_depth(SCp->device, host->cmd_per_lun); + scsi_change_queue_depth(SCp->device, host->cmd_per_lun); scsi_set_tag_type(SCp->device, 0); } else { shost_printk(KERN_WARNING, host, @@ -2052,7 +2052,7 @@ NCR_700_slave_configure(struct scsi_device *SDp) /* to do here: allocate memory; build a queue_full list */ if(SDp->tagged_supported) { - scsi_adjust_queue_depth(SDp, NCR_700_DEFAULT_TAGS); + scsi_change_queue_depth(SDp, NCR_700_DEFAULT_TAGS); NCR_700_set_tag_neg_state(SDp, NCR_700_START_TAG_NEGOTIATION); } @@ -2075,16 +2075,11 @@ NCR_700_slave_destroy(struct scsi_device *SDp) } static int -NCR_700_change_queue_depth(struct scsi_device *SDp, int depth, int reason) +NCR_700_change_queue_depth(struct scsi_device *SDp, int depth) { - if (reason != SCSI_QDEPTH_DEFAULT) - return -EOPNOTSUPP; - if (depth > NCR_700_MAX_TAGS) depth = NCR_700_MAX_TAGS; - - scsi_adjust_queue_depth(SDp, depth); - return depth; + return scsi_change_queue_depth(SDp, depth); } static int NCR_700_change_queue_type(struct scsi_device *SDp, int tag_type) @@ -2105,12 +2100,12 @@ static int NCR_700_change_queue_type(struct scsi_device *SDp, int tag_type) if (!tag_type) { /* shift back to the default unqueued number of commands * (the user can still raise this) */ - scsi_adjust_queue_depth(SDp, SDp->host->cmd_per_lun); + scsi_change_queue_depth(SDp, SDp->host->cmd_per_lun); hostdata->tag_negotiated &= ~(1 << sdev_id(SDp)); } else { /* Here, we cleared the negotiation flag above, so this * will force the driver to renegotiate */ - scsi_adjust_queue_depth(SDp, SDp->queue_depth); + scsi_change_queue_depth(SDp, SDp->queue_depth); if (change_tag) NCR_700_set_tag_neg_state(SDp, NCR_700_START_TAG_NEGOTIATION); } |