diff options
| author | Don Brace <don.brace@pmcs.com> | 2015-01-23 16:41:30 -0600 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2015-02-02 09:57:36 -0800 |
| commit | 7c0a0229bda26478f1fb15a2fa444b7ed3eac541 (patch) | |
| tree | cf09297d9abf5eed49987ef7f01a43eff0b6198a /drivers/scsi/hpsa.c | |
| parent | 2662cab8984f6075e72e0997065c75ad3def6c95 (diff) | |
hpsa: correct change_queue_depth
We change drive queue depths to match drive reported queue depths.
The name of the SML function was changed from scsi_adjust_queue_depth
changed to scsi_change_queue_depth.
Reviewed-by: Scott Teel <scott.teel@pmcs.com>
Signed-off-by: Don Brace <don.brace@pmcs.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/hpsa.c')
| -rw-r--r-- | drivers/scsi/hpsa.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 371d0a81d535..7dfe8293c374 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -217,6 +217,7 @@ static int hpsa_scsi_queue_command(struct Scsi_Host *h, struct scsi_cmnd *cmd); static void hpsa_scan_start(struct Scsi_Host *); static int hpsa_scan_finished(struct Scsi_Host *sh, unsigned long elapsed_time); +static int hpsa_change_queue_depth(struct scsi_device *sdev, int qdepth); static int hpsa_eh_device_reset_handler(struct scsi_cmnd *scsicmd); static int hpsa_eh_abort_handler(struct scsi_cmnd *scsicmd); @@ -672,7 +673,7 @@ static struct scsi_host_template hpsa_driver_template = { .queuecommand = hpsa_scsi_queue_command, .scan_start = hpsa_scan_start, .scan_finished = hpsa_scan_finished, - .change_queue_depth = scsi_change_queue_depth, + .change_queue_depth = hpsa_change_queue_depth, .this_id = -1, .use_clustering = ENABLE_CLUSTERING, .eh_abort_handler = hpsa_eh_abort_handler, @@ -4007,6 +4008,19 @@ static void hpsa_scan_start(struct Scsi_Host *sh) spin_unlock_irqrestore(&h->scan_lock, flags); } +static int hpsa_change_queue_depth(struct scsi_device *sdev, int qdepth) +{ + struct ctlr_info *h = sdev_to_hba(sdev); + + if (qdepth < 1) + qdepth = 1; + else + if (qdepth > h->nr_cmds) + qdepth = h->nr_cmds; + scsi_change_queue_depth(sdev, qdepth); + return sdev->queue_depth; +} + static int hpsa_scan_finished(struct Scsi_Host *sh, unsigned long elapsed_time) { |