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SubjectRe: [PATCH v26 4/4] scsi: ufs: Add HPB 2.0 support
On 2021-03-03 22:50, Bean Huo wrote:
> On Wed, 2021-03-03 at 15:29 +0900, Daejun Park wrote:
>> +
>> +static inline void ufshpb_put_pre_req(struct ufshpb_lu *hpb,
>> + struct ufshpb_req *pre_req)
>> +{
>> + pre_req->req = NULL;
>> + pre_req->bio = NULL;
>> + list_add_tail(&pre_req->list_req, &hpb->lh_pre_req_free);
>> + hpb->num_inflight_pre_req--;
>> +}
>> +
>> +static void ufshpb_pre_req_compl_fn(struct request *req,
>> blk_status_t error)
>> +{
>> + struct ufshpb_req *pre_req = (struct ufshpb_req *)req-
>> >end_io_data;
>> + struct ufshpb_lu *hpb = pre_req->hpb;
>> + unsigned long flags;
>> + struct scsi_sense_hdr sshdr;
>> +
>> + if (error) {
>> + dev_err(&hpb->sdev_ufs_lu->sdev_dev, "block status
>> %d", error);
>> + scsi_normalize_sense(pre_req->sense,
>> SCSI_SENSE_BUFFERSIZE,
>> + &sshdr);
>> + dev_err(&hpb->sdev_ufs_lu->sdev_dev,
>> + "code %x sense_key %x asc %x ascq %x",
>> + sshdr.response_code,
>> + sshdr.sense_key, sshdr.asc, sshdr.ascq);
>> + dev_err(&hpb->sdev_ufs_lu->sdev_dev,
>> + "byte4 %x byte5 %x byte6 %x additional_len
>> %x",
>> + sshdr.byte4, sshdr.byte5,
>> + sshdr.byte6, sshdr.additional_length);
>> + }
>
>
> How can you print out sense_key and sense code here? sense code will
> not be copied to pre_req->sense. you should directly use
> scsi_request->sense or let pre_req->sense point to scsi_request->sense.
>
> You update the new version patch so quickly. In another word, I am
> wondering if you tested your patch before submitting?
>
> Bean

Bean is right about the sense buffer...

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