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Re: [PATCH] libata: add support for NCQ commands for SG interface

From Vinayak Kale <vinayak.kale@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH] libata: add support for NCQ commands for SG interface
Date 2015-10-17 14:30 +0200
Message-ID <qkyMy-5GA-19@gated-at.bofh.it> (permalink)
References <qky9P-4G1-1@gated-at.bofh.it> <qkytc-5iD-13@gated-at.bofh.it>
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On Sat, Oct 17, 2015 at 5:30 PM, Sergei Shtylyov
<sergei.shtylyov@cogentembedded.com> wrote:
> Hello.
>
> On 10/17/2015 2:48 PM, vinayak.kale@gmail.com wrote:
>
>> From: Vinayak Kale <vinayak.kale@seagate.com>
>>
>> This patch is needed to make NCQ commands with FPDMA protocol value
>> (eg READ/WRITE FPDMA) work over SCSI Generic (SG) interface.
>>
>> Signed-off-by: Vinayak Kale <vinayak.kale@seagate.com>
>> ---
>>   drivers/ata/libata-scsi.c | 10 ++++++++--
>>   1 file changed, 8 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
>> index 0d7f0da..5b0a5ab 100644
>> --- a/drivers/ata/libata-scsi.c
>> +++ b/drivers/ata/libata-scsi.c
>
> [...]
>>
>> @@ -2963,7 +2965,7 @@ static unsigned int ata_scsi_pass_thru(struct
>> ata_queued_cmd *qc)
>>                         tf->hob_lbal = cdb[7];
>>                         tf->hob_lbam = cdb[9];
>>                         tf->hob_lbah = cdb[11];
>> -                       tf->flags |= ATA_TFLAG_LBA48;
>> +                       tf->flags |= (ATA_TFLAG_LBA48 | ATA_TFLAG_LBA);
>
>
>    Parens not needed here.
That's quite neat :-) Thanks, will change it in V2.
>
> [...]
>
> MBR, Sergei
>
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[PATCH] libata: add support for NCQ commands for SG interface vinayak.kale@gmail.com - 2015-10-17 13:50 +0200
  Re: [PATCH] libata: add support for NCQ commands for SG interface Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2015-10-17 14:10 +0200
    Re: [PATCH] libata: add support for NCQ commands for SG interface Vinayak Kale <vinayak.kale@gmail.com> - 2015-10-17 14:30 +0200
      Re: [PATCH] libata: add support for NCQ commands for SG interface Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2015-10-17 20:50 +0200

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