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path: root/drivers/scsi/storvsc_drv.c
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Diffstat (limited to 'drivers/scsi/storvsc_drv.c')
-rw-r--r--drivers/scsi/storvsc_drv.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index d0b55c1fa908..954a1cc50ba7 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -171,6 +171,12 @@ do { \
dev_warn(&(dev)->device, fmt, ##__VA_ARGS__); \
} while (0)
+#define storvsc_log_ratelimited(dev, level, fmt, ...) \
+do { \
+ if (do_logging(level)) \
+ dev_warn_ratelimited(&(dev)->device, fmt, ##__VA_ARGS__); \
+} while (0)
+
struct vmscsi_request {
u16 length;
u8 srb_status;
@@ -356,7 +362,7 @@ MODULE_PARM_DESC(ring_avail_percent_lowater,
/*
* Timeout in seconds for all devices managed by this driver.
*/
-static int storvsc_timeout = 180;
+static const int storvsc_timeout = 180;
#if IS_ENABLED(CONFIG_SCSI_FC_ATTRS)
static struct scsi_transport_template *fc_transport_template;
@@ -762,7 +768,7 @@ static void handle_multichannel_storage(struct hv_device *device, int max_chns)
return;
}
- t = wait_for_completion_timeout(&request->wait_event, 10*HZ);
+ t = wait_for_completion_timeout(&request->wait_event, storvsc_timeout * HZ);
if (t == 0) {
dev_err(dev, "Failed to create sub-channel: timed out\n");
return;
@@ -827,7 +833,7 @@ static int storvsc_execute_vstor_op(struct hv_device *device,
if (ret != 0)
return ret;
- t = wait_for_completion_timeout(&request->wait_event, 5*HZ);
+ t = wait_for_completion_timeout(&request->wait_event, storvsc_timeout * HZ);
if (t == 0)
return -ETIMEDOUT;
@@ -1177,7 +1183,7 @@ static void storvsc_on_io_completion(struct storvsc_device *stor_device,
int loglevel = (stor_pkt->vm_srb.cdb[0] == TEST_UNIT_READY) ?
STORVSC_LOGGING_WARN : STORVSC_LOGGING_ERROR;
- storvsc_log(device, loglevel,
+ storvsc_log_ratelimited(device, loglevel,
"tag#%d cmd 0x%x status: scsi 0x%x srb 0x%x hv 0x%x\n",
scsi_cmd_to_rq(request->cmd)->tag,
stor_pkt->vm_srb.cdb[0],
@@ -1345,6 +1351,8 @@ static int storvsc_connect_to_vsp(struct hv_device *device, u32 ring_size,
return ret;
ret = storvsc_channel_init(device, is_fc);
+ if (ret)
+ vmbus_close(device->channel);
return ret;
}
@@ -1662,7 +1670,7 @@ static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd)
if (ret != 0)
return FAILED;
- t = wait_for_completion_timeout(&request->wait_event, 5*HZ);
+ t = wait_for_completion_timeout(&request->wait_event, storvsc_timeout * HZ);
if (t == 0)
return TIMEOUT_ERROR;
@@ -1794,6 +1802,7 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd)
length = scsi_bufflen(scmnd);
payload = (struct vmbus_packet_mpb_array *)&cmd_request->mpb;
+ payload->range.len = 0;
payload_sz = 0;
if (scsi_sg_count(scmnd)) {
@@ -1812,6 +1821,7 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd)
return SCSI_MLQUEUE_DEVICE_BUSY;
}
+ payload->rangecount = 1;
payload->range.len = length;
payload->range.offset = offset_in_hvpg;