On Tue, Feb 06 2001, Manfred Spraul wrote:
> > =) This is what I'm seeing: lots of processes waiting with wchan ==
> > __get_request_wait. With async io and a database flushing lots of io
> > asynchronously spread out across the disk, the NR_REQUESTS limit is hit
> > very quickly.
> >
> Has that anything to do with kiobuf or buffer head?
Nothing
> Several kernel functions need a "dontblock" parameter (or a callback, or
> a waitqueue address, or a tq_struct pointer).
We don't even need that, non-blocking is implicitly applied with READA.
-- Jens Axboe- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Wed Feb 07 2001 - 21:00:24 EST