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-rw-r--r--drivers/md/raid1.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 3cb0872a845d..9b374c91db66 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1135,8 +1135,19 @@ static int end_sync_write(struct bio *bio, unsigned int bytes_done, int error)
mirror = i;
break;
}
- if (!uptodate)
+ if (!uptodate) {
+ int sync_blocks = 0;
+ sector_t s = r1_bio->sector;
+ long sectors_to_go = r1_bio->sectors;
+ /* make sure these bits doesn't get cleared. */
+ do {
+ bitmap_end_sync(mddev->bitmap, r1_bio->sector,
+ &sync_blocks, 1);
+ s += sync_blocks;
+ sectors_to_go -= sync_blocks;
+ } while (sectors_to_go > 0);
md_error(mddev, conf->mirrors[mirror].rdev);
+ }
update_head_pos(mirror, r1_bio);