Re: [DRIVER SUBMISSION] DRBD wants to go mainline

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Jul 23, 2007 at 03:37:04PM +0200, Jens Axboe wrote:
> On Mon, Jul 23 2007, Lars Ellenberg wrote:
> > > +/* THINK maybe we actually want to use the default "event/%s" worker threads
> > > + * or similar in linux 2.6, which uses per cpu data and threads.
> > > + *
> > > + * To be general, this might need a spin_lock member.
> > > + * For now, please use the mdev->req_lock to protect list_head,
> > > + * see drbd_queue_work below.
> > > + */
> > > +struct drbd_work_queue {
> > > +       struct list_head q;
> > > +       struct semaphore s; /* producers up it, worker down()s it */
> > > +       spinlock_t q_lock;  /* to protect the list. */
> > > +};
> > > 
> > > Umm, how about fixing this to actually use proper workqueues or something
> > > instead of this open-coded mess?
> > 
> > unlikely to happen "right now".
> > but it is on our todo list...
> 
> But stuff like that is definitely a merge show stopper, jfyi.

I see.
but it is not that easy to do away with kernel threads
(the open-coded mess) in favor of "proper workqueues or something".

	Lars
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux