raid10: record correct address of bad block
authorTomasz Majchrzak <tomasz.majchrzak@intel.com>
Tue, 23 Aug 2016 08:53:57 +0000 (10:53 +0200)
committerShaohua Li <shli@fb.com>
Wed, 24 Aug 2016 17:21:51 +0000 (10:21 -0700)
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>
drivers/md/raid10.c

index 1a632a8c80050b0ef632496ca51bdadec354e117..4589866257d58b09bb698e341074e868bd52fdd3 100644 (file)
@@ -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;