1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index b8d76b1fba64..a7196c49d15d 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2572,7 +2572,8 @@ static int narrow_write_error(struct r10bio *r10_bio, int i)
         if (rdev->badblocks.shift < 0)
                 return 0;
 
-        block_sectors = 1 << rdev->badblocks.shift;
+        block_sectors = roundup(1 << rdev->badblocks.shift,
+                                bdev_logical_block_size(rdev->bdev) >> 9);
         sector = r10_bio->sector;
         sectors = ((r10_bio->sector + block_sectors)
                    & ~(sector_t)(block_sectors - 1))