raid10: record correct address of bad block

For failed write request record block address on a device, not block
address in an array.

Signed-off-by: Tomasz Majchrzak <tomasz.majchrzak@intel.com>
Signed-off-by: Shaohua Li <shli@fb.com>

1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 1a632a8c8005..4589866257d5 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2465,20 +2465,21 @@ static int narrow_write_error(struct r10bio *r10_bio, int i)
 
         while (sect_to_write) {
                 struct bio *wbio;
+                sector_t wsector;
                 if (sectors > sect_to_write)
                         sectors = sect_to_write;
                 /* Write at 'sector' for 'sectors' */
                 wbio = bio_clone_mddev(bio, GFP_NOIO, mddev);
                 bio_trim(wbio, sector - bio->bi_iter.bi_sector, sectors);
-                wbio->bi_iter.bi_sector = (r10_bio->devs[i].addr+
-                                   choose_data_offset(r10_bio, rdev) +
-                                   (sector - r10_bio->sector));
+                wsector = r10_bio->devs[i].addr + (sector - r10_bio->sector);
+                wbio->bi_iter.bi_sector = wsector +
+                                   choose_data_offset(r10_bio, rdev);
                 wbio->bi_bdev = rdev->bdev;
                 bio_set_op_attrs(wbio, REQ_OP_WRITE, 0);
 
                 if (submit_bio_wait(wbio) < 0)
                         /* Failure! */
-                        ok = rdev_set_badblocks(rdev, sector,
+                        ok = rdev_set_badblocks(rdev, wsector,
                                                 sectors, 0)
                                 && ok;