Questions on patch lifecycle

I'm a bit confused by the etiquette around submitting
proposals for patches in Git and I would like to
understand this process better. Especially since the
only way to get closure on .gitconfig issue seems to
be to show the code ;-)

Anyway, here are the questions:

   0. Junio, are you the only Git maintainer or are there
      others responsible for particular subsystems of Git?
  
   1. What's the official way of submitting a patch?
      Is git-send-email(1) to this mailing list
      good enough? Does a submitter have to have
      a public tree that maintainer(s) can pull from?

   2. Once the patch is submitted how does the author
      get notified whether it is accepted, rejected
      or needs additional work.

Now, #2 is especially important for me, simply because
the project I come from (FFmpeg) has a bit of different 
policy around the status of each submitted patch. 
Pretty much within a 48 hour window a submitter gets 
notified whether the patch was accepted, rejected, needs 
more work or the maintainer of a particular subsystem needs 
more time in order to review the changes. What's confusing to 
me with Git, are the examples like some patches from Ping Yin 
not receiving any public acknowledgment at all and some of the 
patches from other submitters (Dmitry Potapov) getting sort of 
lost.

Thanks,
Roman.