Re: [PATCH 1/3] xen-blkfront: fix places not updated after introducing 64KB page granularity

From: Bob Liu
Date: Thu Jul 28 2016 - 05:04:08 EST



On 07/28/2016 09:19 AM, Konrad Rzeszutek Wilk wrote:
> On Tue, Jul 26, 2016 at 01:19:35PM +0800, Bob Liu wrote:
>> Two places didn't get updated when 64KB page granularity was introduced, this
>> patch fix them.
>>
>> Signed-off-by: Bob Liu <bob.liu@xxxxxxxxxx>
>> Acked-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
>
> Could you rebase this on xen-tip/for-linus-4.8 pls?

Done, sent the v2 for you to pick up.

>
>> ---
>> drivers/block/xen-blkfront.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
>> index fcc5b4e..032fc94 100644
>> --- a/drivers/block/xen-blkfront.c
>> +++ b/drivers/block/xen-blkfront.c
>> @@ -1321,7 +1321,7 @@ free_shadow:
>> rinfo->ring_ref[i] = GRANT_INVALID_REF;
>> }
>> }
>> - free_pages((unsigned long)rinfo->ring.sring, get_order(info->nr_ring_pages * PAGE_SIZE));
>> + free_pages((unsigned long)rinfo->ring.sring, get_order(info->nr_ring_pages * XEN_PAGE_SIZE));
>> rinfo->ring.sring = NULL;
>>
>> if (rinfo->irq)
>> @@ -2013,7 +2013,7 @@ static int blkif_recover(struct blkfront_info *info)
>>
>> blkfront_gather_backend_features(info);
>> segs = info->max_indirect_segments ? : BLKIF_MAX_SEGMENTS_PER_REQUEST;
>> - blk_queue_max_segments(info->rq, segs);
>> + blk_queue_max_segments(info->rq, segs / GRANTS_PER_PSEG);
>>
>> for (r_index = 0; r_index < info->nr_rings; r_index++) {
>> struct blkfront_ring_info *rinfo = &info->rinfo[r_index];
>> --
>> 1.7.10.4
>>