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 <[email protected]> --- 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) { _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
