[PATCH 1/2] Drivers: scsi: storvsc: In responce to a scan event, scan the host

K. Y. Srinivasan
2014-08-17T03:09:47Z

The virtual HBA that storvsc implements can support multiple channels and
targets. So, scan the host when the host notifies that a scan is needed.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
---
drivers/scsi/storvsc_drv.c | 19 +++++++------------
1 files changed, 7 insertions(+), 12 deletions(-)

diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 15ba695..02d1db6 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -426,21 +426,16 @@ done:
kfree(wrk);
}

-static void storvsc_bus_scan(struct work_struct *work)
+static void storvsc_host_scan(struct work_struct *work)
{
struct storvsc_scan_work *wrk;
- int id, order_id;
+ struct Scsi_Host *host;

wrk = container_of(work, struct storvsc_scan_work, work);
- for (id = 0; id < wrk->host->max_id; ++id) {
- if (wrk->host->reverse_ordering)
- order_id = wrk->host->max_id - id - 1;
- else
- order_id = id;
-
- scsi_scan_target(&wrk->host->shost_gendev, 0,
- order_id, SCAN_WILD_CARD, 1);
- }
+ host = wrk->host;
+
+ scsi_scan_host(host);
+
kfree(wrk);
}

@@ -1209,7 +1204,7 @@ static void storvsc_on_receive(struct hv_device *device,
if (!work)
return;

- INIT_WORK(&work->work, storvsc_bus_scan);
+ INIT_WORK(&work->work, storvsc_host_scan);
work->host = stor_device->host;
schedule_work(&work->work);
break;
--
1.7.4.1