Add each vscsi host adatper to a new global list_head named
ibmvscsi_head. There is no functional change. This is meant primarily
as a convience for locating adatpers from within the debugger or crash
utility.
Signed-off-by: Tyrel Datwyler <tyr...@linux.vnet.ibm.com>
---
drivers/scsi/ibmvscsi/ibmvscsi.c | 3 +++
drivers/scsi/ibmvscsi/ibmvscsi.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index d9534ee..a0ee16f 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -95,6 +95,7 @@ static int fast_fail = 1;
static int client_reserve = 1;
static char partition_name[97] = "UNKNOWN";
static unsigned int partition_number = -1;
+static LIST_HEAD(ibmvscsi_head);
static struct scsi_transport_template *ibmvscsi_transport_template;
@@ -2270,6 +2271,7 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const
struct vio_device_id *id)
}
dev_set_drvdata(&vdev->dev, hostdata);
+ list_add_tail(&hostdata->host_list, &ibmvscsi_head);
return 0;
add_srp_port_failed:
@@ -2291,6 +2293,7 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const
struct vio_device_id *id)
static int ibmvscsi_remove(struct vio_dev *vdev)
{
struct ibmvscsi_host_data *hostdata = dev_get_drvdata(&vdev->dev);
+ list_del(&hostdata->host_list);
unmap_persist_bufs(hostdata);
release_event_pool(&hostdata->pool, hostdata);
ibmvscsi_release_crq_queue(&hostdata->queue, hostdata,
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.h b/drivers/scsi/ibmvscsi/ibmvscsi.h
index e0f6c3a..3a78755 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.h
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.h
@@ -90,6 +90,7 @@ struct event_pool {
/* all driver data associated with a host adapter */
struct ibmvscsi_host_data {
+ struct list_head host_list;
atomic_t request_limit;
int client_migrated;
int reset_crq;
--
1.8.3.1
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