On 27/07/16 04:21, Bob Liu wrote:
> The current VBD layer reserves buffer space for each attached device based on
> three statically configured settings which are read at boot time.
> * max_indirect_segs: Maximum amount of segments.
> * max_ring_page_order: Maximum order of pages to be used for t
On Thu, Jul 28, 2016 at 07:05:05AM +0800, Bob Liu wrote:
>
> On 07/27/2016 10:24 PM, Roger Pau Monné wrote:
> > On Wed, Jul 27, 2016 at 07:21:05PM +0800, Bob Liu wrote:
> >>
> >> On 07/27/2016 06:59 PM, Roger Pau Monné wrote:
> >>> On Wed, Jul 27, 2016 at 11:21:25AM +0800, Bob Liu wrote:
> >>> [..
On 07/27/2016 10:24 PM, Roger Pau Monné wrote:
> On Wed, Jul 27, 2016 at 07:21:05PM +0800, Bob Liu wrote:
>>
>> On 07/27/2016 06:59 PM, Roger Pau Monné wrote:
>>> On Wed, Jul 27, 2016 at 11:21:25AM +0800, Bob Liu wrote:
>>> [...]
+static ssize_t dynamic_reconfig_device(struct blkfront_info *i
On Wed, Jul 27, 2016 at 07:21:05PM +0800, Bob Liu wrote:
>
> On 07/27/2016 06:59 PM, Roger Pau Monné wrote:
> > On Wed, Jul 27, 2016 at 11:21:25AM +0800, Bob Liu wrote:
> > [...]
> >> +static ssize_t dynamic_reconfig_device(struct blkfront_info *info,
> >> ssize_t count)
> >> +{
> >> + /*
> >> +
On 07/27/2016 06:59 PM, Roger Pau Monné wrote:
> On Wed, Jul 27, 2016 at 11:21:25AM +0800, Bob Liu wrote:
> [...]
>> +static ssize_t dynamic_reconfig_device(struct blkfront_info *info, ssize_t
>> count)
>> +{
>> +/*
>> + * Prevent new requests even to software request queue.
>> + */
>
On Wed, Jul 27, 2016 at 11:21:25AM +0800, Bob Liu wrote:
[...]
> +static ssize_t dynamic_reconfig_device(struct blkfront_info *info, ssize_t
> count)
> +{
> + /*
> + * Prevent new requests even to software request queue.
> + */
> + blk_mq_freeze_queue(info->rq);
> +
> + /*
>
On Wed, Jul 27, 2016 at 05:12:22PM +0800, Bob Liu wrote:
>
> On 07/27/2016 04:07 PM, Roger Pau Monné wrote:
> ..[snip]..
> >> @@ -2443,6 +2674,22 @@ static void blkfront_connect(struct blkfront_info
> >> *info)
> >>return;
> >>}
> >>
> >> + err = device_create_file(&info->xbdev
> -Original Message-
[snip]
> >
> > Also, I'm not sure this is correct, if blkfront sees the "Closing" state on
> > blkback it will try to close the frontend and destroy the block device (see
> > blkfront_closing), and this should be avoided. You should call
> > blkfront_resume as soon as y
On 07/27/2016 04:07 PM, Roger Pau Monné wrote:
..[snip]..
>> @@ -2443,6 +2674,22 @@ static void blkfront_connect(struct blkfront_info
>> *info)
>> return;
>> }
>>
>> +err = device_create_file(&info->xbdev->dev,
>> &dev_attr_max_ring_page_order);
>> +if (err)
>> +
Hello,
Thanks for the fixes.
On Wed, Jul 27, 2016 at 11:21:25AM +0800, Bob Liu wrote:
> The current VBD layer reserves buffer space for each attached device based on
> three statically configured settings which are read at boot time.
> * max_indirect_segs: Maximum amount of segments.
> * max_ri
The current VBD layer reserves buffer space for each attached device based on
three statically configured settings which are read at boot time.
* max_indirect_segs: Maximum amount of segments.
* max_ring_page_order: Maximum order of pages to be used for the shared ring.
* max_queues: Maximum of
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