linux-kernel - Re: [PATCH v5 7/7] scsi: ufs: show lba and length for unmap commands

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Date:   Wed, 18 Nov 2020 09:11:19 +0800
From:   Can Guo <cang@...eaurora.org>
To:     Jaegeuk Kim <jaegeuk@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
        kernel-team@...roid.com, alim.akhtar@...sung.com,
        avri.altman@....com, bvanassche@....org,
        martin.petersen@...cle.com, stanley.chu@...iatek.com,
        Leo Liou <leoliou@...gle.com>
Subject: Re: [PATCH v5 7/7] scsi: ufs: show lba and length for unmap commands

On 2020-11-18 00:58, Jaegeuk Kim wrote:
> From: Leo Liou <leoliou@...gle.com>
> 
> We have lba and length for unmap commands.
> 
> Signed-off-by: Leo Liou <leoliou@...gle.com>
> Reviewed-by: Stanley Chu <stanley.chu@...iatek.com>
> Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>

Reviewed-by: Can Guo <cang@...eaurora.org>

> ---
>  drivers/scsi/ufs/ufshcd.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
> index 86c8dee01ca9..dba3ee307307 100644
> --- a/drivers/scsi/ufs/ufshcd.c
> +++ b/drivers/scsi/ufs/ufshcd.c
> @@ -376,6 +376,11 @@ static void ufshcd_add_command_trace(struct 
> ufs_hba *hba,
>  				lrbp->ucd_req_ptr->sc.exp_data_transfer_len);
>  			if (opcode == WRITE_10)
>  				group_id = lrbp->cmd->cmnd[6];
> +		} else if (opcode == UNMAP) {
> +			if (cmd->request) {
> +				lba = scsi_get_lba(cmd);
> +				transfer_len = blk_rq_bytes(cmd->request);
> +			}
>  		}
>  	}