NFS client/buffer cache deadlock

[Brian Fundakowski Feldman]

On Fri, Apr 22, 2005 at 11:28:15AM -0400, Garrett Wollman wrote:
> <<On Fri, 22 Apr 2005 11:08:35 -0400, Brian Fundakowski Feldman <green at FreeBSD.ORG> said:
> 
> 
> > Can you find any evidence that it's acceptable to interleave multiple
> > writers that are doing O_APPEND?  At best, to do what you're asking,
> > they could be kept from being interleaved from the context of one
> > specific NFS client host...
> 
> As far as POSIX goes, the standard says that applications are expected
> to handle serialization.  It makes no exception for O_APPEND.

Then let's fix IO_UNIT so the existing code can DTRT.

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