Re: [PATCH v1 1/3] scsi: ufs: Let UPIU completion trace print RSP UPIU

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To: Bean Huo <huobean@xxxxxxxxx>, alim.akhtar@xxxxxxxxxxx, avri.altman@xxxxxxx, asutoshd@xxxxxxxxxxxxxx, jejb@xxxxxxxxxxxxx, martin.petersen@xxxxxxxxxx, stanley.chu@xxxxxxxxxxxx, beanhuo@xxxxxxxxxx, tomas.winkler@xxxxxxxxx, cang@xxxxxxxxxxxxxx
Subject: Re: [PATCH v1 1/3] scsi: ufs: Let UPIU completion trace print RSP UPIU
From: Bart Van Assche <bvanassche@xxxxxxx>
Date: Sun, 23 May 2021 18:24:15 -0700
Cc: linux-scsi@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20210523211409.210304-2-huobean@gmail.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.2

On 5/23/21 2:14 PM, Bean Huo wrote:
> +		rq_rsp = (struct utp_upiu_req *)hba->lrb[tag].ucd_rsp_ptr;

So a pointer to a response (hba->lrb[tag].ucd_rsp_ptr) is cast to a
pointer to a request (struct utp_upiu_req *)? That seems really odd to
me. Please explain.

Bart.

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- Re: [PATCH v1 1/3] scsi: ufs: Let UPIU completion trace print RSP UPIU
  - From: Bean Huo

References:
- [PATCH v1 0/3] Three minor changes for UFS
  - From: Bean Huo
- [PATCH v1 1/3] scsi: ufs: Let UPIU completion trace print RSP UPIU
  - From: Bean Huo

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