From mboxrd@z Thu Jan 1 00:00:00 1970 From: Don Brace Subject: [PATCH v2 05/48] hpsa: correct change_queue_depth Date: Fri, 23 Jan 2015 16:41:30 -0600 Message-ID: <20150123224130.14919.50867.stgit@brunhilda> References: <20150123224020.14919.29458.stgit@brunhilda> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: Received: from g4t3427.houston.hp.com ([15.201.208.55]:34192 "EHLO g4t3427.houston.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752011AbbAWWmY (ORCPT ); Fri, 23 Jan 2015 17:42:24 -0500 In-Reply-To: <20150123224020.14919.29458.stgit@brunhilda> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: scott.teel@pmcs.com, Kevin.Barnett@pmcs.com, james.bottomley@parallels.com, hch@infradead.org, Justin.Lindley@pmcs.com, brace@pmcs.com Cc: linux-scsi@vger.kernel.org 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 Signed-off-by: Don Brace --- drivers/scsi/hpsa.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 371d0a8..7dfe829 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) {