runningbufspace related lock-ups with md(4)/UFS/SU (PATCH ?)

[Brian F. Feldman]

Kirk McKusick <mckusick at beastie.mckusick.com> wrote:
> I have been able to reproduce your hang on my system and your suggested
> fix does prevent it. I am going to run some more buffer starvation-type
> tests on it this week and if they do not cause other problems, I will
> put in your suggested fix.

Thanks, Kirk; seems everyone who's been able to reproduce it can't do so 
anymore when the synchers are disallowed from waiting on runningbufspace 
(a couple extra people testing it that haven't spoken up on the list).

-- 
Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''''\
  <> green at FreeBSD.org                               \  The Power to Serve! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,,,,,\