md/raid10: move rdev->corrected_errors counting

Read errors are considered to corrected if write-back and re-read
cycle is finished without further problems. Thus moving the rdev->
corrected_errors counting after the re-reading looks more reasonable
IMHO.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 6721cb0..5def27c 100644 (file)
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1533,7 +1533,6 @@ static void fix_read_error(conf_t *conf, mddev_t *mddev, r10bio_t *r10_bio)
                            test_bit(In_sync, &rdev->flags)) {
                                atomic_inc(&rdev->nr_pending);
                                rcu_read_unlock();
-                               atomic_add(s, &rdev->corrected_errors);
                                if (sync_page_io(rdev,
                                                 r10_bio->devs[sl].addr +
                                                 sect,
@@ -1598,6 +1597,7 @@ static void fix_read_error(conf_t *conf, mddev_t *mddev, r10bio_t *r10_bio)
                                               (unsigned long long)(
                                                       sect + rdev->data_offset),
                                               bdevname(rdev->bdev, b));
+                                       atomic_add(s, &rdev->corrected_errors);
                                }
 
                                rdev_dec_pending(rdev, mddev);