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Diffstat (limited to 'drivers/md/dm-cache-target.c')
-rw-r--r--drivers/md/dm-cache-target.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index db0944465127..1af70145fab9 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -671,15 +671,16 @@ static void remap_to_cache(struct cache *cache, struct bio *bio,
671 dm_cblock_t cblock) 671 dm_cblock_t cblock)
672{ 672{
673 sector_t bi_sector = bio->bi_iter.bi_sector; 673 sector_t bi_sector = bio->bi_iter.bi_sector;
674 sector_t block = from_cblock(cblock);
674 675
675 bio->bi_bdev = cache->cache_dev->bdev; 676 bio->bi_bdev = cache->cache_dev->bdev;
676 if (!block_size_is_power_of_two(cache)) 677 if (!block_size_is_power_of_two(cache))
677 bio->bi_iter.bi_sector = 678 bio->bi_iter.bi_sector =
678 (from_cblock(cblock) * cache->sectors_per_block) + 679 (block * cache->sectors_per_block) +
679 sector_div(bi_sector, cache->sectors_per_block); 680 sector_div(bi_sector, cache->sectors_per_block);
680 else 681 else
681 bio->bi_iter.bi_sector = 682 bio->bi_iter.bi_sector =
682 (from_cblock(cblock) << cache->sectors_per_block_shift) | 683 (block << cache->sectors_per_block_shift) |
683 (bi_sector & (cache->sectors_per_block - 1)); 684 (bi_sector & (cache->sectors_per_block - 1));
684} 685}
685 686