oplock_break_level2 with unlocked share enty?

[Nadav Danieli]

On Tue, 2005-01-25 at 23:33, Jeremy Allison wrote:

> On Tue, Jan 25, 2005 at 09:12:16PM +0200, Nadav Danieli wrote:
> > Hi All,
> > 
> > I appears that when breaking our own oplock, oplock level II may be
> > removed while the share entry is unlocked.
> > Trace is as follow:
> > 
> > oplock_break_level2
> > smbd/oplock.c:647
> > oplock_break
> > smbd/oplock.c:722
> > request_oplock_break
> > smbd/oplock.c:994
> > open_mode_check
> > smbd/open.c:668
> 
> Yes, I've confirmed this is a logic bug. I'll fix it for 3.0.11 proper.
> What version of Samba are you running ? I'll send you a point patch.
> 
> Thanks a *lot* for finding this !
> 
> Jeremy.


The trivial place to acquire the lock is request_oplock_break which is
called from only 2 functions, and the other,
release_level_2_oplocks_on_change, already bypass directly to
oplock_break_level2 for local oplock breaks.