On Mon, Mar 11, 2019 at 06:43:33PM -0400, Mike Snitzer wrote:
> On Mon, Mar 11 2019 at 6:13pm -0400,
> Paul E. McKenney <paulmck@xxxxxxxxxxxxx> wrote:
>
> > On Mon, Mar 11, 2019 at 11:16:08AM -0700, Christoph Hellwig wrote:
> > > On Thu, Feb 28, 2019 at 04:32:02PM -0500, Mike Snitzer wrote:
> > > > Hi Paul and Christoph,
> > > >
> > > > You've added your Signed-off-by to include/linux/list_bl.h commits in
> > > > the past. I'm not sure how this proposed patch should be handled.
> > > >
> > > > These new hlist_bl_add_{before,behind} changes are a prereq for
> > > > dm-snapshot changes that Nikos has proposed, please see:
> > > > https://patchwork.kernel.org/patch/10739265/
> > > >
> > > > Any assistance/review you, or others on LKML, might be able to provide
> > > > would be appreciated.
> > >
> > > I just killed two helpers. That being said assuming that we only
> > > rely on the next pointer for the lockless traversals the changes look
> > > fine to me, but the code might be beyond my paygrade..
> >
> > First, apologies for being slow on this one.
>
> No problem.
>
> > Second, were the two helpers hlist_bl_add_{before,behind}()? If so, I
> > guess there is not much point in me looking them over. Though perhaps
> > I should be looking something else over?
>
> No, think Christoph was referring to his commit 1879fd6a26571fd4e8e1f
> from 2011.
>
> Anyway, I'd like you to look over this new proposed patch that
> introduces hlist_bl_add_{before,behind}(), please see:
> https://patchwork.kernel.org/patch/10835713/
>
> If you're happy with the patch, and can provide your Reviewed-by or
> Acked-by, I'll then pick it up as a prereq for the broader dm-snapshot
> changes that Nikos has provided.
I replied to the version earlier in this email thread. Looks close,
but a couple of questions.
Thanx, Paul
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