Linux Archive

Linux Archive (http://www.linux-archive.org/)
-   Device-mapper Development (http://www.linux-archive.org/device-mapper-development/)
-   -   scsi_dh_hp_sw: Adding the match function for hp_sw device handler (http://www.linux-archive.org/device-mapper-development/605229-scsi_dh_hp_sw-adding-match-function-hp_sw-device-handler.html)

"Moger, Babu" 12-01-2011 07:01 PM

scsi_dh_hp_sw: Adding the match function for hp_sw device handler
 
This patch introduces the match function for hp_sw device handler.
Included the check for TPGS bit before proceeding further per Hannes comment.
The match function was introduced by this patch
http://www.spinics.net/lists/linux-scsi/msg54284.html

Signed-off-by: Babu Moger <babu.moger@netapp.com>
Acked-by: Hannes Reinecke <hare@suse.de>
---
--- linux-3.2-rc2/drivers/scsi/device_handler/scsi_dh_hp_sw.c.orig 2011-11-15 11:02:59.000000000 -0600
+++ linux-3.2-rc2/drivers/scsi/device_handler/scsi_dh_hp_sw.c 2011-11-19 10:46:57.000000000 -0600
@@ -320,6 +320,24 @@ static const struct scsi_dh_devlist hp_s
{NULL, NULL},
};

+static bool hp_sw_match(struct scsi_device *sdev)
+{
+ int i;
+
+ if (scsi_device_tpgs(sdev))
+ return false;
+
+ for (i = 0; hp_sw_dh_data_list[i].vendor; i++) {
+ if (!strncmp(sdev->vendor, hp_sw_dh_data_list[i].vendor,
+ strlen(hp_sw_dh_data_list[i].vendor)) &&
+ !strncmp(sdev->model, hp_sw_dh_data_list[i].model,
+ strlen(hp_sw_dh_data_list[i].model))) {
+ return true;
+ }
+ }
+ return false;
+}
+
static int hp_sw_bus_attach(struct scsi_device *sdev);
static void hp_sw_bus_detach(struct scsi_device *sdev);

@@ -331,6 +349,7 @@ static struct scsi_device_handler hp_sw_
.detach = hp_sw_bus_detach,
.activate = hp_sw_activate,
.prep_fn = hp_sw_prep_fn,
+ .match = hp_sw_match,
};

static int hp_sw_bus_attach(struct scsi_device *sdev)



--
dm-devel mailing list
dm-devel@redhat.com
https://www.redhat.com/mailman/listinfo/dm-devel


All times are GMT. The time now is 08:34 AM.

VBulletin, Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Content Relevant URLs by vBSEO ©2007, Crawlability, Inc.