[PATCH 3/3] scsi: Remove scsi_cmnd.tag

From: John Garry
Date: Fri Aug 13 2021 - 09:54:19 EST


It is never read, so get rid of it.

Signed-off-by: John Garry <john.garry@xxxxxxxxxx>
---
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