Use the bdev_offset_from_zone_start() helper function to calculate
the offset from zone start instead of using power of 2 based
calculation.
Signed-off-by: Pankaj Raghav <p.raghav@xxxxxxxxxxx>
Reviewed-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
Reviewed-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>
---
drivers/md/dm-zone.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/md/dm-zone.c b/drivers/md/dm-zone.c
index 3dafc0e8b7a9..31c16aafdbfc 100644
--- a/drivers/md/dm-zone.c
+++ b/drivers/md/dm-zone.c
@@ -390,7 +390,9 @@ static bool dm_zone_map_bio_begin(struct mapped_device *md,
case REQ_OP_WRITE_ZEROES:
case REQ_OP_WRITE:
/* Writes must be aligned to the zone write pointer */
- if ((clone->bi_iter.bi_sector & (zsectors - 1)) != zwp_offset)
+ if ((bdev_offset_from_zone_start(md->disk->part0,
+ clone->bi_iter.bi_sector)) != zwp_offset)
+
return false;
break;
case REQ_OP_ZONE_APPEND:
@@ -602,11 +604,8 @@ void dm_zone_endio(struct dm_io *io, struct bio *clone)
*/
if (clone->bi_status == BLK_STS_OK &&
bio_op(clone) == REQ_OP_ZONE_APPEND) {
- sector_t mask =
- (sector_t)bdev_zone_sectors(disk->part0) - 1;
-
orig_bio->bi_iter.bi_sector +=
- clone->bi_iter.bi_sector & mask;
+ bdev_offset_from_zone_start(disk->part0, clone->bi_iter.bi_sector);
}
return;
--
2.25.1
--
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