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scsi: ibmvscsi: add vscsi hosts to global list_head 

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 adapters from within the debugger or crash
utility.

[mkp: fixed typo]

Signed-off-by: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Tyrel Datwyler 2016-12-07 16:04:35 -06:00 committed by Martin K. Petersen
parent b84ca6e9c7
commit 32d6e4b6e4
2 changed files with 4 additions and 0 deletions
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3
drivers/scsi/ibmvscsi/ibmvscsi.c
View File

@ -95,6 +95,7 @@ static int fast_fail = 1;
static int client_reserve = 1; static int client_reserve = 1;
static char partition_name[97] = "UNKNOWN"; static char partition_name[97] = "UNKNOWN";
static unsigned int partition_number = -1; static unsigned int partition_number = -1;
static LIST_HEAD(ibmvscsi_head);
static struct scsi_transport_template *ibmvscsi_transport_template; 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); dev_set_drvdata(&vdev->dev, hostdata);
list_add_tail(&hostdata->host_list, &ibmvscsi_head);
return 0; return 0;
add_srp_port_failed: 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) static int ibmvscsi_remove(struct vio_dev *vdev)
{ {
struct ibmvscsi_host_data *hostdata = dev_get_drvdata(&vdev->dev); struct ibmvscsi_host_data *hostdata = dev_get_drvdata(&vdev->dev);
list_del(&hostdata->host_list);
unmap_persist_bufs(hostdata); unmap_persist_bufs(hostdata);
release_event_pool(&hostdata->pool, hostdata); release_event_pool(&hostdata->pool, hostdata);
ibmvscsi_release_crq_queue(&hostdata->queue, hostdata, ibmvscsi_release_crq_queue(&hostdata->queue, hostdata,

1
drivers/scsi/ibmvscsi/ibmvscsi.h
View File

@ -90,6 +90,7 @@ struct event_pool {
/* all driver data associated with a host adapter */ /* all driver data associated with a host adapter */
struct ibmvscsi_host_data { struct ibmvscsi_host_data {
struct list_head host_list;
atomic_t request_limit; atomic_t request_limit;
int client_migrated; int client_migrated;
int reset_crq; int reset_crq;