scsi: core: Introduce scsi_get_sector()

[ Upstream commit f0f214fe8cd32224267ebea93817b8c32074623d ]

Since scsi_get_lba() returns a sector_t value instead of the LBA, the name
of that function is confusing. Introduce an identical function
scsi_get_sector().

Link: https://lore.kernel.org/r/20210513223757.3938-2-bvanassche@acm.org
Link: https://lore.kernel.org/r/20210609033929.3815-11-martin.petersen@oracle.com
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Hannes Reinecke <hare@suse.de>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Message-Id: <20210609033929.3815-11-martin.petersen@oracle.com>
Stable-dep-of: 066c5b46b6ea ("scsi: core: Always send batch on reset or error handling command")
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 6630464635330c2c032cd7cfb925fea1a410c1eb..ddab0c580382bd79e6f8e446380842eccaf892a2 100644 (file)
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -224,6 +224,11 @@ static inline int scsi_sg_copy_to_buffer(struct scsi_cmnd *cmd,
                                 buf, buflen);
 }
 
+static inline sector_t scsi_get_sector(struct scsi_cmnd *scmd)
+{
+       return blk_rq_pos(scmd->request);
+}
+
 /*
  * The operations below are hints that tell the controller driver how
  * to handle I/Os with DIF or similar types of protection information.