diff options
| -rw-r--r-- | drivers/md/raid10.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 14b1ba732cd7..cefda2abd34f 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -980,6 +980,7 @@ static void wait_barrier(struct r10conf *conf) { spin_lock_irq(&conf->resync_lock); if (conf->barrier) { + struct bio_list *bio_list = current->bio_list; conf->nr_waiting++; /* Wait for the barrier to drop. * However if there are already pending @@ -994,9 +995,16 @@ static void wait_barrier(struct r10conf *conf) wait_event_lock_irq(conf->wait_barrier, !conf->barrier || (atomic_read(&conf->nr_pending) && - current->bio_list && - (!bio_list_empty(¤t->bio_list[0]) || - !bio_list_empty(¤t->bio_list[1]))), + bio_list && + (!bio_list_empty(&bio_list[0]) || + !bio_list_empty(&bio_list[1]))) || + /* move on if recovery thread is + * blocked by us + */ + (conf->mddev->thread->tsk == current && + test_bit(MD_RECOVERY_RUNNING, + &conf->mddev->recovery) && + conf->nr_queued > 0), conf->resync_lock); conf->nr_waiting--; if (!conf->nr_waiting) |