linux-kernel - [PATCH v2 1/4] scsi: ufs: Cleanup ufshcd_add_command

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Date:   Mon, 31 May 2021 12:43:05 +0200
From:   Bean Huo <huobean@...il.com>
To:     alim.akhtar@...sung.com, avri.altman@....com,
        asutoshd@...eaurora.org, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, stanley.chu@...iatek.com,
        beanhuo@...ron.com, bvanassche@....org, tomas.winkler@...el.com,
        cang@...eaurora.org
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/4] scsi: ufs: Cleanup ufshcd_add_command_trace()

From: Bean Huo <beanhuo@...ron.com>

To consistent with trace event print, convert the value of the
variable 'lba' in the unit of LBA (logical block address).

Suggested-by: Bart Van Assche <bvanassche@....org>
Signed-off-by: Bean Huo <beanhuo@...ron.com>
---
 drivers/scsi/ufs/ufshcd.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 02267b090729..85590d3a719e 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -25,6 +25,7 @@
 #include "ufs_bsg.h"
 #include "ufshcd-crypto.h"
 #include <asm/unaligned.h>
+#include "../sd.h"
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/ufs.h>
@@ -364,7 +365,7 @@ static void ufshcd_add_uic_command_trace(struct ufs_hba *hba,
 static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
 				     enum ufs_trace_str_t str_t)
 {
-	sector_t lba = -1;
+	u64 lba = -1;
 	u8 opcode = 0, group_id = 0;
 	u32 intr, doorbell;
 	struct ufshcd_lrb *lrbp = &hba->lrb[tag];
@@ -382,22 +383,23 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
 		/* trace UPIU also */
 		ufshcd_add_cmd_upiu_trace(hba, tag, str_t);
 		opcode = cmd->cmnd[0];
+		lba = sectors_to_logical(cmd->device, blk_rq_pos(cmd->request));
+
 		if ((opcode == READ_10) || (opcode == WRITE_10)) {
 			/*
 			 * Currently we only fully trace read(10) and write(10)
 			 * commands
 			 */
-			if (cmd->request && cmd->request->bio)
-				lba = cmd->request->bio->bi_iter.bi_sector;
 			transfer_len = be32_to_cpu(
 				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);
-			}
+			/*
+			 * The number of Bytes to be unmapped beginning with the
+			 * lba.
+			 */
+			transfer_len = blk_rq_bytes(cmd->request);
 		}
 	}
 
-- 
2.25.1