linux-kernel - [PATCH 3/3] scsi: Remove scsi

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Date:   Fri, 13 Aug 2021 21:49:13 +0800
From:   John Garry <john.garry@...wei.com>
To:     <satishkh@...co.com>, <sebaddel@...co.com>, <kartilak@...co.com>,
        <jejb@...ux.ibm.com>, <martin.petersen@...cle.com>
CC:     <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <hare@...e.de>, <hch@....de>, <bvanassche@....org>,
        John Garry <john.garry@...wei.com>
Subject: [PATCH 3/3] scsi: Remove scsi_cmnd.tag

It is never read, so get rid of it.

Signed-off-by: John Garry <john.garry@...wei.com>
---
 drivers/scsi/scsi_lib.c  | 1 -
 include/scsi/scsi_cmnd.h | 1 -
 2 files changed, 2 deletions(-)

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 9ba1aa7530a9..572673873ddf 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1540,7 +1540,6 @@ static blk_status_t scsi_prepare_cmd(struct request *req)
 
 	scsi_init_command(sdev, cmd);
 
-	cmd->tag = req->tag;
 	cmd->prot_op = SCSI_PROT_NORMAL;
 	if (blk_rq_bytes(req))
 		cmd->sc_data_direction = rq_dma_dir(req);
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 6c5a1c1c6b1e..eaf04c9a1dfc 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -139,7 +139,6 @@ struct scsi_cmnd {
 	int flags;		/* Command flags */
 	unsigned long state;	/* Command completion state */
 
-	unsigned char tag;	/* SCSI-II queued command tag */
 	unsigned int extra_len;	/* length of alignment and padding */
 };
 
-- 
2.26.2