Multiple small fuse fixes for write, api, and hardlink

Multiple small fuse fixes for write, api, and hardlink

* changed in Makefile to use recomended fuse api 35;
* force foreground mode, because fuse_daemonize is forking after initalization other bcachefs threads;
* fix fuse_link, there where mistype in fuse_log (the paremeter need to be inum.inum);
* The write_aligned is fixed, by  wrapping struct bch_write_op into container with single closure and using end_io callback to release
      that closure.