Merge branch 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[karo-tx-linux.git] / drivers / md / raid1.c

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 4517f06c41bafe0fb2fbe2a5b454b68f012b2455..d9d031ede4bf5d73993a0fc607fab4274627c890 100644 (file)
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -881,8 +881,7 @@ static sector_t wait_barrier(struct r1conf *conf, struct bio *bio)
        }
 
        if (bio && bio_data_dir(bio) == WRITE) {
-               if (bio->bi_iter.bi_sector >=
-                   conf->mddev->curr_resync_completed) {
+               if (bio->bi_iter.bi_sector >= conf->next_resync) {
                        if (conf->start_next_window == MaxSector)
                                conf->start_next_window =
                                        conf->next_resync +
@@ -1516,7 +1515,7 @@ static void close_sync(struct r1conf *conf)
        conf->r1buf_pool = NULL;
 
        spin_lock_irq(&conf->resync_lock);
-       conf->next_resync = 0;
+       conf->next_resync = MaxSector - 2 * NEXT_NORMALIO_DISTANCE;
        conf->start_next_window = MaxSector;
        conf->current_window_requests +=
                conf->next_window_requests;
@@ -2196,7 +2195,7 @@ static int narrow_write_error(struct r1bio *r1_bio, int i)
                bio_trim(wbio, sector - r1_bio->sector, sectors);
                wbio->bi_iter.bi_sector += rdev->data_offset;
                wbio->bi_bdev = rdev->bdev;
-               if (submit_bio_wait(WRITE, wbio) == 0)
+               if (submit_bio_wait(WRITE, wbio) < 0)
                        /* failure! */
                        ok = rdev_set_badblocks(rdev, sector,
                                                sectors, 0)
@@ -2259,15 +2258,16 @@ static void handle_write_finished(struct r1conf *conf, struct r1bio *r1_bio)
                        rdev_dec_pending(conf->mirrors[m].rdev,
                                         conf->mddev);
                }
-       if (test_bit(R1BIO_WriteError, &r1_bio->state))
-               close_write(r1_bio);
        if (fail) {
                spin_lock_irq(&conf->device_lock);
                list_add(&r1_bio->retry_list, &conf->bio_end_io_list);
                spin_unlock_irq(&conf->device_lock);
                md_wakeup_thread(conf->mddev->thread);
-       } else
+       } else {
+               if (test_bit(R1BIO_WriteError, &r1_bio->state))
+                       close_write(r1_bio);
                raid_end_bio_io(r1_bio);
+       }
 }
 
 static void handle_read_error(struct r1conf *conf, struct r1bio *r1_bio)
@@ -2383,9 +2383,13 @@ static void raid1d(struct md_thread *thread)
                }
                spin_unlock_irqrestore(&conf->device_lock, flags);
                while (!list_empty(&tmp)) {
-                       r1_bio = list_first_entry(&conf->bio_end_io_list,
-                                                 struct r1bio, retry_list);
+                       r1_bio = list_first_entry(&tmp, struct r1bio,
+                                                 retry_list);
                        list_del(&r1_bio->retry_list);
+                       if (mddev->degraded)
+                               set_bit(R1BIO_Degraded, &r1_bio->state);
+                       if (test_bit(R1BIO_WriteError, &r1_bio->state))
+                               close_write(r1_bio);
                        raid_end_bio_io(r1_bio);
                }
        }
@@ -2843,8 +2847,7 @@ static struct r1conf *setup_conf(struct mddev *mddev)
 
  abort:
        if (conf) {
-               if (conf->r1bio_pool)
-                       mempool_destroy(conf->r1bio_pool);
+               mempool_destroy(conf->r1bio_pool);
                kfree(conf->mirrors);
                safe_put_page(conf->tmppage);
                kfree(conf->poolinfo);
@@ -2946,8 +2949,7 @@ static void raid1_free(struct mddev *mddev, void *priv)
 {
        struct r1conf *conf = priv;
 
-       if (conf->r1bio_pool)
-               mempool_destroy(conf->r1bio_pool);
+       mempool_destroy(conf->r1bio_pool);
        kfree(conf->mirrors);
        safe_put_page(conf->tmppage);
        kfree(conf->poolinfo);