Lines Matching refs:used_bg
6964 struct btrfs_block_group_cache *used_bg; in btrfs_lock_cluster() local
6969 if (used_bg == cluster->block_group) in btrfs_lock_cluster()
6970 return used_bg; in btrfs_lock_cluster()
6972 up_read(&used_bg->data_rwsem); in btrfs_lock_cluster()
6973 btrfs_put_block_group(used_bg); in btrfs_lock_cluster()
6976 used_bg = cluster->block_group; in btrfs_lock_cluster()
6977 if (!used_bg) in btrfs_lock_cluster()
6980 if (used_bg == block_group) in btrfs_lock_cluster()
6981 return used_bg; in btrfs_lock_cluster()
6983 btrfs_get_block_group(used_bg); in btrfs_lock_cluster()
6986 return used_bg; in btrfs_lock_cluster()
6988 if (down_read_trylock(&used_bg->data_rwsem)) in btrfs_lock_cluster()
6989 return used_bg; in btrfs_lock_cluster()
6992 down_read(&used_bg->data_rwsem); in btrfs_lock_cluster()