diff options
Diffstat (limited to 'drivers/md/raid1.c')
| -rw-r--r-- | drivers/md/raid1.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 851023e2ba5d..f2db7a9d5964 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -427,7 +427,17 @@ static void raid1_end_write_request(struct bio *bio, int error) r1_bio->bios[mirror] = NULL; to_put = bio; - set_bit(R1BIO_Uptodate, &r1_bio->state); + /* + * Do not set R1BIO_Uptodate if the current device is + * rebuilding or Faulty. This is because we cannot use + * such device for properly reading the data back (we could + * potentially use it, if the current write would have felt + * before rdev->recovery_offset, but for simplicity we don't + * check this here. + */ + if (test_bit(In_sync, &conf->mirrors[mirror].rdev->flags) && + !test_bit(Faulty, &conf->mirrors[mirror].rdev->flags)) + set_bit(R1BIO_Uptodate, &r1_bio->state); /* Maybe we can clear some bad blocks. */ if (is_badblock(conf->mirrors[mirror].rdev, |