On 9/28/2015 11:57 PM, Bart Van Assche wrote:
On 09/24/2015 12:37 AM, Sagi Grimberg wrote:
On 9/23/2015 12:21 AM, Bart Van Assche wrote:
On 09/17/2015 02:42 AM, Sagi Grimberg wrote:
+} else if (last_page_off + dma_len < mr->page_size) {
+/* chunk this fragment with
On 9/29/2015 9:47 AM, Sagi Grimberg wrote:
Shouldn't higher layers take care of this? Trying to implement the same
coalescing algorithm at various layers isn't very optimal, although we
need to decide and document which one is responsible.
The block layer can take care of it, but I'm not sure
Shouldn't higher layers take care of this? Trying to implement the same
coalescing algorithm at various layers isn't very optimal, although we
need to decide and document which one is responsible.
The block layer can take care of it, but I'm not sure about NFS/RDS at
the moment (IIRC Steve
On Mon, Sep 28, 2015 at 01:57:52PM -0700, Bart Van Assche wrote:
> >Actually I think it doesn't since it is only relevant for the else
> >statement where we are passing the page_size boundary.
>
> Hello Sagi,
>
> Suppose that the following sg-list is passed to this function as { offset,
> length
On 09/24/2015 12:37 AM, Sagi Grimberg wrote:
On 9/23/2015 12:21 AM, Bart Van Assche wrote:
On 09/17/2015 02:42 AM, Sagi Grimberg wrote:
+} else if (last_page_off + dma_len < mr->page_size) {
+/* chunk this fragment with the last */
+last_end_dma_addr
On 9/23/2015 12:21 AM, Bart Van Assche wrote:
On 09/17/2015 02:42 AM, Sagi Grimberg wrote:
The new fast registration verg ib_map_mr_sg receives a scatterlist
^ verb ?
Will fix. Thanks.
+/**
+ * ib_map_mr_sg() - Map a memory region with the largest prefix
On 09/17/2015 02:42 AM, Sagi Grimberg wrote:
The new fast registration verg ib_map_mr_sg receives a scatterlist
^ verb ?
+/**
+ * ib_map_mr_sg() - Map a memory region with the largest prefix of
+ * a dma mapped SG list
This description could be made more
The new fast registration verg ib_map_mr_sg receives a scatterlist
and converts it to a page list under the verbs API thus hiding
the specific HW mapping details away from the consumer.
The provider drivers are provided with a generic helper ib_sg_to_pages
that converts a scatterlist into a
