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-rw-r--r--drivers/scsi/storvsc_drv.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 0ba7f2cbbbc3..cdf048ba4d2d 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -377,6 +377,10 @@ struct storvsc_device {
unsigned char path_id;
unsigned char target_id;
+ /*
+ * Max I/O, the device can support.
+ */
+ u32 max_transfer_bytes;
/* Used for vsc/vsp channel reset process */
struct storvsc_cmd_request init_request;
struct storvsc_cmd_request reset_request;
@@ -974,6 +978,8 @@ static int storvsc_channel_init(struct hv_device *device)
STORAGE_CHANNEL_SUPPORTS_MULTI_CHANNEL)
process_sub_channels = true;
}
+ stor_device->max_transfer_bytes =
+ vstor_packet->storage_channel_properties.max_transfer_bytes;
memset(vstor_packet, 0, sizeof(struct vstor_packet));
vstor_packet->operation = VSTOR_OPERATION_END_INITIALIZATION;