Re: can enbd server run in kernel?

On Sat, 2004-11-27 at 22:49, Peter T. Breuer wrote:
> In article <[email protected]> you wrote:
> > The msync() function shall fail if:
> > 
> > [EBUSY] 
> >         Some or all of the addresses in the range starting at addr and
> >         continuing for len bytes are locked, and MS_INVALIDATE is
> >         specified.
> > 
> > googled. :P
> > 
> > but locked by whom?
> 
> Oh - yes, I believe the server does lock portions of the file as it
> reads or writes to them, in order to prevent overlaps with other
> server daemons. But that's its own lock.
en, this is possible. a better way is to probe kernel and see which
process holds this lock for what reason. maybe some linux system
programming guru can solve this. :P

> 
> Thanks.
> 
> Peter