On Wed, Sep 07, 2016 at 12:41:00PM +0200, Paulina Szubarczyk wrote:
> Copy data operated on during request from/to local buffers to/from
> the grant references.
>
> Before grant copy operation local buffers must be allocated what is
> done by calling ioreq_init_copy_buffers. For the 'read' operati
On 09/08/2016 12:00 AM, Paulina Szubarczyk wrote:
On 09/07/2016 10:56 PM, Stefano Stabellini wrote:
On Wed, 7 Sep 2016, Paulina Szubarczyk wrote:
Copy data operated on during request from/to local buffers to/from
the grant references.
Before grant copy operation local buffers must be alloca
On Thu, 8 Sep 2016, Paulina Szubarczyk wrote:
> > > @@ -582,6 +722,9 @@ static int ioreq_runio_qemu_aio(struct ioreq *ioreq)
> > > }
> > > default:
> > > /* unknown operation (shouldn't happen -- parse catches this) */
> > > +if (!ioreq->blkdev->feature_grant_copy) {
>
On 09/07/2016 10:56 PM, Stefano Stabellini wrote:
On Wed, 7 Sep 2016, Paulina Szubarczyk wrote:
Copy data operated on during request from/to local buffers to/from
the grant references.
Before grant copy operation local buffers must be allocated what is
done by calling ioreq_init_copy_buffers.
On Wed, 7 Sep 2016, Paulina Szubarczyk wrote:
> Copy data operated on during request from/to local buffers to/from
> the grant references.
>
> Before grant copy operation local buffers must be allocated what is
> done by calling ioreq_init_copy_buffers. For the 'read' operation,
> first, the qemu
On Wed, Sep 07, 2016 at 12:41:00PM +0200, Paulina Szubarczyk wrote:
> Copy data operated on during request from/to local buffers to/from
> the grant references.
>
> Before grant copy operation local buffers must be allocated what is
> done by calling ioreq_init_copy_buffers. For the 'read' operati
Copy data operated on during request from/to local buffers to/from
the grant references.
Before grant copy operation local buffers must be allocated what is
done by calling ioreq_init_copy_buffers. For the 'read' operation,
first, the qemu device invokes the read operation on local buffers
and on