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

From: Bob Liu
Date: Tue Jul 26 2016 - 01:20:11 EST


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 Monnà <roger.pau@xxxxxxxxxx>
---
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