[dm-devel] [PATCH v3 1/4] scsi_dh_emc: Adding the match function for emc device handler
Moger, Babu
Babu.Moger at netapp.com
Thu Dec 1 20:01:16 UTC 2011
This patch introduces the match function for emc device handler.
Included check for TPGS bit before proceeding further.
The match function was introduced by this patch
http://www.spinics.net/lists/linux-scsi/msg54284.html
Signed-off-by: Babu Moger <babu.moger at netapp.com>
Acked-by: Hannes Reinecke <hare at suse.de>
---
--- linux-3.2-rc2/drivers/scsi/device_handler/scsi_dh_emc.c.orig 2011-11-15 11:02:59.000000000 -0600
+++ linux-3.2-rc2/drivers/scsi/device_handler/scsi_dh_emc.c 2011-11-19 10:46:12.000000000 -0600
@@ -629,6 +629,24 @@ static const struct scsi_dh_devlist clar
{NULL, NULL},
};
+static bool clariion_match(struct scsi_device *sdev)
+{
+ int i;
+
+ if (scsi_device_tpgs(sdev))
+ return false;
+
+ for (i = 0; clariion_dev_list[i].vendor; i++) {
+ if (!strncmp(sdev->vendor, clariion_dev_list[i].vendor,
+ strlen(clariion_dev_list[i].vendor)) &&
+ !strncmp(sdev->model, clariion_dev_list[i].model,
+ strlen(clariion_dev_list[i].model))) {
+ return true;
+ }
+ }
+ return false;
+}
+
static int clariion_bus_attach(struct scsi_device *sdev);
static void clariion_bus_detach(struct scsi_device *sdev);
@@ -642,6 +660,7 @@ static struct scsi_device_handler clarii
.activate = clariion_activate,
.prep_fn = clariion_prep_fn,
.set_params = clariion_set_params,
+ .match = clariion_match,
};
static int clariion_bus_attach(struct scsi_device *sdev)
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