blk-integrity: take u64 in bio_integrity_intervals()

To allow bio_integrity_intervals() to convert an absolute sector to an
absolute integrity interval, use u64 for its argument and return types.
Also use SECTOR_SHIFT instead of the magic constant 9.

Signed-off-by: Caleb Sander Mateos <[email protected]>
Reviewed-by: Anuj Gupta <[email protected]>

Author: calebsander

include/linux/blk-integrity.h

@@ -66,19 +66,19 @@ queue_max_integrity_segments(const struct request_queue *q)
 }
 
 /**
- * bio_integrity_intervals - Return number of integrity intervals for a bio
+ * bio_integrity_intervals - Convert sectors to integrity intervals
  * @bi:		blk_integrity profile for device
- * @sectors:	Size of the bio in 512-byte sectors
+ * @sectors:	Number of 512-byte sectors
  *
  * Description: The block layer calculates everything in 512 byte
  * sectors but integrity metadata is done in terms of the data integrity
  * interval size of the storage device.  Convert the block layer sectors
  * to the appropriate number of integrity intervals.
  */
-static inline unsigned int bio_integrity_intervals(struct blk_integrity *bi,
-						   unsigned int sectors)
+static inline u64 bio_integrity_intervals(const struct blk_integrity *bi,
+					  u64 sectors)
 {
-	return sectors >> (bi->interval_exp - 9);
+	return sectors >> (bi->interval_exp - SECTOR_SHIFT);
 }
 
 static inline unsigned int bio_integrity_bytes(struct blk_integrity *bi,
@@ -153,8 +153,8 @@ queue_max_integrity_segments(const struct request_queue *q)
 	return 0;
 }
 
-static inline unsigned int bio_integrity_intervals(struct blk_integrity *bi,
-						   unsigned int sectors)
+static inline u64 bio_integrity_intervals(const struct blk_integrity *bi,
+					  u64 sectors)
 {
 	return 0;
 }