Commit 4c7b6ea3 authored by John Garry's avatar John Garry Committed by Martin K. Petersen
Browse files

scsi: core: Remove scsi_cmnd.tag 

It is never read, so get rid of it.

Link: https://lore.kernel.org/r/1628862553-179450-4-git-send-email-john.garry@huawei.com


Reviewed-by: default avatarHannes Reinecke <hare@suse.de>
Reviewed-by: default avatarBart Van Assche <bvanassche@acm.org>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJohn Garry <john.garry@huawei.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 6a036ce0

drivers/scsi/scsi_lib.c

+0 −1
Original line number Diff line number Diff line
@@ -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);

include/scsi/scsi_cmnd.h

+0 −1
Original line number Diff line number Diff line
@@ -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 */

};