From: Mike Sterling <mike.sterling@xxxxxxxxxxxxx>
If a LUN larger than 2 TB is attached to a Linux VM on Hyper-V, we currently
report a maximum size of 2 TB. This patch resolves the issue in hv_storvsc.
Thanks to Robert Scheck <robert.scheck@xxxxxxx> for reporting the issue.
Reported-by: Robert Scheck <robert.scheck@xxxxxxx>
Signed-off-by: Mike Sterling <mike.sterling@xxxxxxxxxxxxx>
Signed-off-by: K.Y. Srinivasan <kys@xxxxxxxxxxxxx>
Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
---
drivers/staging/hv/storvsc_drv.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index 3686d10..b0c4e56 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -232,6 +232,7 @@ struct vstor_packet {
#define STORVSC_MAX_LUNS_PER_TARGET 64
#define STORVSC_MAX_TARGETS 1
#define STORVSC_MAX_CHANNELS 1
+#define STORVSC_MAX_CMD_LEN 16
struct hv_storvsc_request;
@@ -1440,6 +1441,8 @@ static int storvsc_probe(struct hv_device *device)
host->max_id = STORVSC_MAX_TARGETS;
/* max # of channels */
host->max_channel = STORVSC_MAX_CHANNELS - 1;
+ /* max cmd length */
+ host->max_cmd_len = STORVSC_MAX_CMD_LEN;
/* Register the HBA and start the scsi bus scan */
ret = scsi_add_host(host, &device->device);
--
1.7.4.1
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