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scsi: core: Remove scsi_cmnd.tag

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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: Hannes Reinecke <hare@suse.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
John Garry 2021-08-13 21:49:13 +08:00 committed by Martin K. Petersen
parent 6a036ce0e2
commit 4c7b6ea336
2 changed files with 0 additions and 2 deletions
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1
drivers/scsi/scsi_lib.c
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@ -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);

1
include/scsi/scsi_cmnd.h
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@ -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 */
};