Some commands sent by smartd will offline the device.
With this change applied, smartd sill not monitor the device anymore.
Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
---
drivers/staging/hv/storvsc_drv.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -1122,6 +1122,22 @@ static void storvsc_command_completion(s
kmem_cache_free(host_dev->request_pool, cmd_request);
}
+static bool storvsc_check_scsi_cmd(struct scsi_cmnd *scmnd)
+{
+ bool allowed = true;
+ u8 scsi_op = scmnd->cmnd[0];
+
+ switch (scsi_op) {
+ /* smartd sends this command, which will offline the device */
+ case SET_WINDOW:
+ scmnd->result = DID_ERROR << 16;
+ allowed = false;
+ break;
+ default:
+ break;
+ }
+ return allowed;
+}
/*
* storvsc_queuecommand - Initiate command processing
@@ -1141,6 +1157,10 @@ static int storvsc_queuecommand_lck(stru
unsigned int sg_count = 0;
struct vmscsi_request *vm_srb;
+ if (storvsc_check_scsi_cmd(scmnd) == false) {
+ done(scmnd);
+ return 0;
+ }
/* If retrying, no need to prep the cmd */
if (scmnd->host_scribble) {
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