fs/btrfs/block-group.c

3274 	struct btrfs_transaction *cur_trans = trans->transaction;
3277 	if (list_empty(&cur_trans->dirty_bgs) ||
3286 	list_for_each_entry_safe(cache, tmp, &cur_trans->dirty_bgs,
3312 	struct btrfs_transaction *cur_trans = trans->transaction;
3317 	struct list_head *io = &cur_trans->io_bgs;
3320 	spin_lock(&cur_trans->dirty_bgs_lock);
3321 	if (list_empty(&cur_trans->dirty_bgs)) {
3322 		spin_unlock(&cur_trans->dirty_bgs_lock);
3325 	list_splice_init(&cur_trans->dirty_bgs, &dirty);
3326 	spin_unlock(&cur_trans->dirty_bgs_lock);
3371 		spin_lock(&cur_trans->dirty_bgs_lock);
3373 		spin_unlock(&cur_trans->dirty_bgs_lock);
3412 				spin_lock(&cur_trans->dirty_bgs_lock);
3415 						      &cur_trans->dirty_bgs);
3419 				spin_unlock(&cur_trans->dirty_bgs_lock);
3450 		spin_lock(&cur_trans->dirty_bgs_lock);
3451 		list_splice_init(&cur_trans->dirty_bgs, &dirty);
3457 			spin_unlock(&cur_trans->dirty_bgs_lock);
3460 		spin_unlock(&cur_trans->dirty_bgs_lock);
3464 		spin_lock(&cur_trans->dirty_bgs_lock);
3465 		list_splice_init(&dirty, &cur_trans->dirty_bgs);
3466 		spin_unlock(&cur_trans->dirty_bgs_lock);
3467 		btrfs_cleanup_dirty_bgs(cur_trans, fs_info);
3478 	struct btrfs_transaction *cur_trans = trans->transaction;
3482 	struct list_head *io = &cur_trans->io_bgs;
3503 	spin_lock(&cur_trans->dirty_bgs_lock);
3504 	while (!list_empty(&cur_trans->dirty_bgs)) {
3505 		cache = list_first_entry(&cur_trans->dirty_bgs,
3515 			spin_unlock(&cur_trans->dirty_bgs_lock);
3519 			spin_lock(&cur_trans->dirty_bgs_lock);
3527 		spin_unlock(&cur_trans->dirty_bgs_lock);
3565 				wait_event(cur_trans->writer_wait,
3566 				   atomic_read(&cur_trans->num_writers) == 1);
3577 		spin_lock(&cur_trans->dirty_bgs_lock);
3579 	spin_unlock(&cur_trans->dirty_bgs_lock);