Add a dax operation zero_page_range, to zero a range of memory. This will
also clear any poison in the range being zeroed.
As of now, zeroing of up to one page is allowed in a single call. There
are no callers which are trying to zero more than a page in a single call.
Once we grow the callers wh
> + /*
> + * There are no users as of now. Once users are there, fix dm code
> + * to be able to split a long range across targets.
> + */
This comment confused me. I think this wants to say something like:
/*
* There are now callers that want to zero across a
On Wed, Feb 05, 2020 at 10:30:50AM -0800, Christoph Hellwig wrote:
> > + /*
> > +* There are no users as of now. Once users are there, fix dm code
> > +* to be able to split a long range across targets.
> > +*/
>
> This comment confused me. I think this wants to say something like:
On Wed, Feb 5, 2020 at 12:03 PM Vivek Goyal wrote:
>
> On Wed, Feb 05, 2020 at 10:30:50AM -0800, Christoph Hellwig wrote:
> > > + /*
> > > +* There are no users as of now. Once users are there, fix dm code
> > > +* to be able to split a long range across targets.
> > > +*/
> >
> > Th
On Wed, Feb 05, 2020 at 04:40:44PM -0800, Dan Williams wrote:
> > I don't have any reason not to pass phys_addr_t. If that sounds better,
> > will make changes.
>
> The problem is device-mapper. That wants to use offset to route
> through the map to the leaf device. If it weren't for the firmware
On Wed, Feb 05, 2020 at 04:40:44PM -0800, Dan Williams wrote:
> On Wed, Feb 5, 2020 at 12:03 PM Vivek Goyal wrote:
> >
> > On Wed, Feb 05, 2020 at 10:30:50AM -0800, Christoph Hellwig wrote:
> > > > + /*
> > > > +* There are no users as of now. Once users are there, fix dm code
> > > > +*
On Wed, Feb 5, 2020 at 11:41 PM Christoph Hellwig wrote:
>
> On Wed, Feb 05, 2020 at 04:40:44PM -0800, Dan Williams wrote:
> > > I don't have any reason not to pass phys_addr_t. If that sounds better,
> > > will make changes.
> >
> > The problem is device-mapper. That wants to use offset to route
On Thu, Feb 6, 2020 at 6:35 AM Vivek Goyal wrote:
>
> On Wed, Feb 05, 2020 at 04:40:44PM -0800, Dan Williams wrote:
> > On Wed, Feb 5, 2020 at 12:03 PM Vivek Goyal wrote:
> > >
> > > On Wed, Feb 05, 2020 at 10:30:50AM -0800, Christoph Hellwig wrote:
> > > > > + /*
> > > > > +* There are no
On Fri, Feb 07, 2020 at 08:57:39AM -0800, Dan Williams wrote:
> On Wed, Feb 5, 2020 at 11:41 PM Christoph Hellwig wrote:
> >
> > On Wed, Feb 05, 2020 at 04:40:44PM -0800, Dan Williams wrote:
> > > > I don't have any reason not to pass phys_addr_t. If that sounds better,
> > > > will make changes.
On Fri, Feb 7, 2020 at 9:02 AM Vivek Goyal wrote:
>
> On Fri, Feb 07, 2020 at 08:57:39AM -0800, Dan Williams wrote:
> > On Wed, Feb 5, 2020 at 11:41 PM Christoph Hellwig
> > wrote:
> > >
> > > On Wed, Feb 05, 2020 at 04:40:44PM -0800, Dan Williams wrote:
> > > > > I don't have any reason not to
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