On Mon, Oct 02 2006, Jarek Poplawski wrote:
> On Mon, Oct 02, 2006 at 12:24:47PM +0200, Jarek Poplawski wrote:
> > On 30-09-2006 21:23, Ismail Donmez wrote:
> > > Hi,
> > >
> > > With commit 10fd48f2376db52f08bf0420d2c4f580e39269e1 [1] , RB_EMPTY_NODE
> > > changed behaviour so it returns false when the node is empty as expected.
> > ...
> > > - if (!RB_EMPTY_NODE(rb)) {
> > > + if (RB_EMPTY_NODE(rb)) {
> >
> > Maybe you have some kind of agreement with Jens Axboe but I
> > can't understand current way of kernel cooperation:
> > he changes some global behavior to the opposite and fixes
> > his code in three places but can't fix it in the fourth place
> ...
>
> But I see it's not so bad and net_sched isn't the last!
> It looks deadline-iosched.c and one place in as-iosched.c
> (~ 466 line) where probably also forgotten.
I don't see any missed changes.
> Another question - is there any change planned?
> If not why in rbtree.c is:
>
> + if (rb_parent(node) == node)
>
> instead of:
>
> + if (RB_EMPTY_NODE(rb))
RB_EMPTY_NODE was (re)-introduced after that change, and it never
propagated. Changing it now would be fine and easier to read.
--
Jens Axboe
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