2 files changed, 11 insertions, 6 deletions
diff --git a/include/linux/t10-pi.h b/include/linux/t10-pi.h
index c6aa8a3c42ed..c40511f4e63d 100644
--- a/include/linux/t10-pi.h
+++ b/include/linux/t10-pi.h
@@ -37,6 +37,16 @@ struct t10_pi_tuple {
 #define T10_PI_APP_ESCAPE cpu_to_be16(0xffff)
 #define T10_PI_REF_ESCAPE cpu_to_be32(0xffffffff)
 
+static inline u32 t10_pi_ref_tag(struct request *rq)
+{
+#ifdef CONFIG_BLK_DEV_INTEGRITY
+	return blk_rq_pos(rq) >>
+		(rq->q->integrity.interval_exp - 9) & 0xffffffff;
+#else
+	return -1U;
+#endif
+}
+
 extern const struct blk_integrity_profile t10_pi_type1_crc;
 extern const struct blk_integrity_profile t10_pi_type1_ip;
 extern const struct blk_integrity_profile t10_pi_type3_crc;
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index aaf1e971c6a3..cae229b5395c 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -4,6 +4,7 @@
 
 #include <linux/dma-mapping.h>
 #include <linux/blkdev.h>
+#include <linux/t10-pi.h>
 #include <linux/list.h>
 #include <linux/types.h>
 #include <linux/timer.h>
@@ -313,12 +314,6 @@ static inline unsigned int scsi_prot_interval(struct scsi_cmnd *scmd)
 	return scmd->device->sector_size;
 }
 
-static inline u32 scsi_prot_ref_tag(struct scsi_cmnd *scmd)
-{
-	return blk_rq_pos(scmd->request) >>
-		(ilog2(scsi_prot_interval(scmd)) - 9) & 0xffffffff;
-}
-
 static inline unsigned scsi_prot_sg_count(struct scsi_cmnd *cmd)
 {
 	return cmd->prot_sdb ? cmd->prot_sdb->table.nents : 0;