1 files changed, 17 insertions, 4 deletions

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 9c4f7659f8b1..ec0f951ae19f 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -4085,10 +4085,15 @@ static void handle_parity_checks5(struct r5conf *conf, struct stripe_head *sh,
                         set_bit(STRIPE_INSYNC, &sh->state);
                 else {
                         atomic64_add(STRIPE_SECTORS, &conf->mddev->resync_mismatches);
-                        if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery))
+                        if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery)) {
                                 /* don't try to repair!! */
                                 set_bit(STRIPE_INSYNC, &sh->state);
-                        else {
+                                pr_warn_ratelimited("%s: mismatch sector in range "
+                                                    "%llu-%llu\n", mdname(conf->mddev),
+                                                    (unsigned long long) sh->sector,
+                                                    (unsigned long long) sh->sector +
+                                                    STRIPE_SECTORS);
+                        } else {
                                 sh->check_state = check_state_compute_run;
                                 set_bit(STRIPE_COMPUTE_RUN, &sh->state);
                                 set_bit(STRIPE_OP_COMPUTE_BLK, &s->ops_request);
@@ -4237,10 +4242,15 @@ static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh,
                         }
                 } else {
                         atomic64_add(STRIPE_SECTORS, &conf->mddev->resync_mismatches);
-                        if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery))
+                        if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery)) {
                                 /* don't try to repair!! */
                                 set_bit(STRIPE_INSYNC, &sh->state);
-                        else {
+                                pr_warn_ratelimited("%s: mismatch sector in range "
+                                                    "%llu-%llu\n", mdname(conf->mddev),
+                                                    (unsigned long long) sh->sector,
+                                                    (unsigned long long) sh->sector +
+                                                    STRIPE_SECTORS);
+                        } else {
                                 int *target = &sh->ops.target;
 
                                 sh->ops.target = -1;
@@ -7108,6 +7118,9 @@ static int raid5_run(struct mddev *mddev)
         long long min_offset_diff = 0;
         int first = 1;
 
+        if (mddev_init_writes_pending(mddev) < 0)
+                return -ENOMEM;
+
         if (mddev->recovery_cp != MaxSector)
                 pr_notice("md/raid:%s: not clean -- starting background reconstruction\n",
                           mdname(mddev));