Re: [PATCH] scsi: disable automatic target scan

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 03/15/2016 12:57 AM, Martin K. Petersen wrote:
>>>>>> "Hannes" == Hannes Reinecke <hare@xxxxxxx> writes:
> 
>> diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
>> index 97074c9..929204b 100644
>> --- a/drivers/scsi/scsi_scan.c
>> +++ b/drivers/scsi/scsi_scan.c
>> @@ -96,10 +96,11 @@ MODULE_PARM_DESC(max_luns,
>>  #define SCSI_SCAN_TYPE_DEFAULT "sync"
>>  #endif
>>  
>> -char scsi_scan_type[6] = SCSI_SCAN_TYPE_DEFAULT;
>> +char scsi_scan_type[9] = SCSI_SCAN_TYPE_DEFAULT;
>>  
>> -module_param_string(scan, scsi_scan_type, sizeof(scsi_scan_type), S_IRUGO);
>> -MODULE_PARM_DESC(scan, "sync, async or none");
>> +module_param_string(scan, scsi_scan_type, sizeof(scsi_scan_type),
>> +		    S_IRUGO|S_IWUSR);
>> +MODULE_PARM_DESC(scan, "sync, async, disabled, or none");
> 
> So "disabled" is "sometimes enabled" and "none" is "really disabled"?
>  
'disabled' means:
disable automatic scanning, but allow manual scanning via the 'scan'
attribute.

>>  static unsigned int scsi_inq_timeout = SCSI_TIMEOUT/HZ + 18;
>>  
>> @@ -1604,7 +1605,9 @@ static void __scsi_scan_target(struct device *parent, unsigned int channel,
>>   * @channel:	channel to scan
>>   * @id:		target id to scan
>>   * @lun:	Specific LUN to scan or SCAN_WILD_CARD
>> - * @rescan:	passed to LUN scanning routines
>> + * @rescan:	passed to LUN scanning routines; 0 for no rescan, 1 to rescan
>> + *              existing LUNs, and 2 to override any 'scan_disabled' setting
>> + *              from the host.
> 
> enum SCSI_SCAN_FOO_BAR instead of magic values, please.
> 
Okay.

> What's this "scan_disabled" setting from the host?
> 
It's called a 'typo' and found quite frequently in the wilds :-)

I'll be sending a respin.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@xxxxxxx			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)
--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [SCSI Target Devel]     [Linux SCSI Target Infrastructure]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Samba]     [Device Mapper]
  Powered by Linux