Lines Matching refs:used_bg
6666 struct btrfs_block_group_cache *used_bg; in btrfs_lock_cluster() local
6671 if (used_bg == cluster->block_group) in btrfs_lock_cluster()
6672 return used_bg; in btrfs_lock_cluster()
6674 up_read(&used_bg->data_rwsem); in btrfs_lock_cluster()
6675 btrfs_put_block_group(used_bg); in btrfs_lock_cluster()
6678 used_bg = cluster->block_group; in btrfs_lock_cluster()
6679 if (!used_bg) in btrfs_lock_cluster()
6682 if (used_bg == block_group) in btrfs_lock_cluster()
6683 return used_bg; in btrfs_lock_cluster()
6685 btrfs_get_block_group(used_bg); in btrfs_lock_cluster()
6688 return used_bg; in btrfs_lock_cluster()
6690 if (down_read_trylock(&used_bg->data_rwsem)) in btrfs_lock_cluster()
6691 return used_bg; in btrfs_lock_cluster()
6694 down_read(&used_bg->data_rwsem); in btrfs_lock_cluster()