Re: [PATCH 4/5] ata: libata-core: Allow forcing most horkage flags

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On 4/25/22 03:17, Sergey Shtylyov wrote:
> On 4/7/22 3:37 PM, Damien Le Moal wrote:
> 
>> To facilitate debugging of drive issues in the field without kernel
>> changes (e.g. temporary test patches), add an entry for most horkage
>> flags in the force_tbl array to allow controlling these horkage
>> settings with the libata.force kernel boot parameter.
>>
>> Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>
>> ---
>>  drivers/ata/libata-core.c | 22 ++++++++++++++++++++--
>>  1 file changed, 20 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
>> index 75856f4210d7..121cb55a219a 100644
>> --- a/drivers/ata/libata-core.c
>> +++ b/drivers/ata/libata-core.c
>> @@ -6230,9 +6230,27 @@ static const struct ata_force_param force_tbl[] __initconst = {
>>  	force_horkage_onoff(ncqtrim,	ATA_HORKAGE_NO_NCQ_TRIM),
>>  	force_horkage_onoff(ncqati,	ATA_HORKAGE_NO_NCQ_ON_ATI),
>>  
>> -	force_horkage_on(dump_id,	ATA_HORKAGE_DUMP_ID),
>> +	force_horkage_onoff(trim,	ATA_HORKAGE_NOTRIM),
>> +	force_horkage_onoff(trim_zero,	ATA_HORKAGE_ZERO_AFTER_TRIM),
>> +	force_horkage_on(max_trim_128m, ATA_HORKAGE_MAX_TRIM_128M),
>> +
>> +	force_horkage_onoff(dma,	ATA_HORKAGE_NODMA),
>>  	force_horkage_on(atapi_dmadir,	ATA_HORKAGE_ATAPI_DMADIR),
>> -	force_horkage_on(disable,	ATA_HORKAGE_DISABLE)
>> +	force_horkage_on(atapi_mod16_dma, ATA_HORKAGE_ATAPI_MOD16_DMA),
>> +
>> +	force_horkage_onoff(dma_log,	ATA_HORKAGE_NO_DMA_LOG),
>> +	force_horkage_onoff(id_dev_log,	ATA_HORKAGE_NO_ID_DEV_LOG),
>> +	force_horkage_onoff(log_dir,	ATA_HORKAGE_NO_LOG_DIR),
> 
>    Underscores in the names with "no" (without underscore) would look inconsistent,
> wouldn't they? Maybe drop the underscores here?

Yep. Done.

> 
> [...]
> 
> Reviewed-by: Sergey Shtylyov <s.shtylyov@xxxxxx>
> 
> MBR, Sergey


-- 
Damien Le Moal
Western Digital Research



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