btrfs_wait_tree_log_extents
int btrfs_wait_tree_log_extents(struct btrfs_root *root, int mark);
btrfs_wait_tree_log_extents(log, mark);
ret = btrfs_wait_tree_log_extents(log, mark);
btrfs_wait_tree_log_extents(log, mark);
btrfs_wait_tree_log_extents(log, mark);
ret = btrfs_wait_tree_log_extents(log, mark);
ret = btrfs_wait_tree_log_extents(log_root_tree,
btrfs_wait_tree_log_extents(log,