El 21/05/15 a les 15.03, Bob Liu ha escrit:
> On 05/21/2015 07:22 PM, Roger Pau Monné wrote:
>> El 20/05/15 a les 15.10, Bob Liu ha escrit:
>>> + err = xenbus_scanf(XBT_NIL, dev->otherend,
>>> + ring_ref_name, "%u", &ring_ref[i]);
>>
>> No need
On 05/21/2015 07:22 PM, Roger Pau Monné wrote:
> El 20/05/15 a les 15.10, Bob Liu ha escrit:
...
>> +} else {
>> +unsigned int i;
>> +
>> +if (ring_page_order > xen_blkif_max_ring_order) {
>> +err = -EINVAL;
>> +xenbus_dev_fatal(d
El 20/05/15 a les 15.10, Bob Liu ha escrit:
> Extend xen/block to support multi-page ring, so that more requests can be
> issued
> by using more than one pages as the request ring between blkfront and backend.
> As a result, the performance can get improved significantly.
>
> We got some impressi
On 05/20/2015 11:00 PM, Julien Grall wrote:
> On 20/05/15 15:56, Roger Pau Monné wrote:
>> El 20/05/15 a les 15.21, Julien Grall ha escrit:
>>> Hi,
>>>
>>> On 20/05/15 14:10, Bob Liu wrote:
---
drivers/block/xen-blkback/blkback.c | 12
drivers/block/xen-blkback/common.h |
On 20/05/15 15:56, Roger Pau Monné wrote:
> El 20/05/15 a les 15.21, Julien Grall ha escrit:
>> Hi,
>>
>> On 20/05/15 14:10, Bob Liu wrote:
>>> ---
>>> drivers/block/xen-blkback/blkback.c | 12
>>> drivers/block/xen-blkback/common.h | 3 +-
>>> drivers/block/xen-blkback/xenbus.c | 85 ++
El 20/05/15 a les 15.21, Julien Grall ha escrit:
> Hi,
>
> On 20/05/15 14:10, Bob Liu wrote:
>> ---
>> drivers/block/xen-blkback/blkback.c | 12
>> drivers/block/xen-blkback/common.h | 3 +-
>> drivers/block/xen-blkback/xenbus.c | 85 +---
>> drivers/block/xen-b
Hi,
On 20/05/15 14:10, Bob Liu wrote:
> ---
> drivers/block/xen-blkback/blkback.c | 12
> drivers/block/xen-blkback/common.h | 3 +-
> drivers/block/xen-blkback/xenbus.c | 85 +---
> drivers/block/xen-blkfront.c| 110
> ++
Extend xen/block to support multi-page ring, so that more requests can be issued
by using more than one pages as the request ring between blkfront and backend.
As a result, the performance can get improved significantly.
We got some impressive improvements on our highend iscsi storage cluster
bac
