Re: [PATCH 4/5] mvsas: remove mvs_slave_{alloc|configure}

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On 09/21/2011 10:26 PM, Xiangliang Yu wrote:

Subject: [PATCH 4/5] mvsas: remove mvs_slave_{alloc|configure}

libsas now handles:
1/ limiting ata scanning to lun0
2/ maximizing the queue_depth of sas devices (up to 256, mvsas only
    supports 64)
3/ changes to /sys/block/<sdX>/device/queue_depth for ata devices

Cc: Xiangliang Yu<yuxiangl@xxxxxxxxxxx>
Signed-off-by: Dan Williams<dan.j.williams@xxxxxxxxx>
---
  drivers/scsi/mvsas/mv_init.c |    4 ++--
  drivers/scsi/mvsas/mv_sas.c  |   30 ------------------------------
  drivers/scsi/mvsas/mv_sas.h  |    2 --
  3 files changed, 2 insertions(+), 34 deletions(-)

diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c
index 4e9af66..052861b 100644
--- a/drivers/scsi/mvsas/mv_init.c
+++ b/drivers/scsi/mvsas/mv_init.c
@@ -59,7 +59,7 @@ static struct scsi_host_template mvs_sht = {
  	.name			= DRV_NAME,
  	.queuecommand		= sas_queuecommand,
  	.target_alloc		= sas_target_alloc,
-	.slave_configure	= mvs_slave_configure,
+	.slave_configure	= sas_slave_configure,
  	.slave_destroy		= sas_slave_destroy,
  	.scan_finished		= mvs_scan_finished,
  	.scan_start		= mvs_scan_start,
@@ -74,7 +74,7 @@ static struct scsi_host_template mvs_sht = {
  	.use_clustering		= ENABLE_CLUSTERING,
  	.eh_device_reset_handler = sas_eh_device_reset_handler,
  	.eh_bus_reset_handler	= sas_eh_bus_reset_handler,
-	.slave_alloc		= mvs_slave_alloc,
+	.slave_alloc		= sas_slave_alloc,
  	.target_destroy		= sas_target_destroy,
-int mvs_slave_configure(struct scsi_device *sdev)
-{
-	struct domain_device *dev = sdev_to_domain_dev(sdev);
-	int ret = sas_slave_configure(sdev);
-
-	if (ret)
-		return ret;
-	if (!dev_is_sata(dev)) {
-		sas_change_queue_depth(sdev,
-			MVS_QUEUE_SIZE,
-			SCSI_QDEPTH_DEFAULT);
-	}
-	return 0;
Can you don't remove mvs_slave_configure function? Someday it will be useful, such as fixing some issue.
Thanks!

There is no reason to keep a no-op function there.

	Jeff





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