btrfs_add_delayed_extent_op 343 fs/btrfs/delayed-ref.h int btrfs_add_delayed_extent_op(struct btrfs_trans_handle *trans, btrfs_add_delayed_extent_op 2235 fs/btrfs/extent-tree.c ret = btrfs_add_delayed_extent_op(trans, bytenr, num_bytes, extent_op);