Merge remote-tracking branch 'xen-tip/linux-next'

[karo-tx-linux.git] / drivers / block / xen-blkback / xenbus.c

diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c
index 767657565de64e73f61304741fe9f39c496a2892..f53cff42f8dab8891143ff2d6a3626273857eec6 100644 (file)
--- a/drivers/block/xen-blkback/xenbus.c
+++ b/drivers/block/xen-blkback/xenbus.c
@@ -176,21 +176,24 @@ static int xen_blkif_map(struct xen_blkif *blkif, grant_ref_t *gref,
        {
                struct blkif_sring *sring;
                sring = (struct blkif_sring *)blkif->blk_ring;
-               BACK_RING_INIT(&blkif->blk_rings.native, sring, PAGE_SIZE * nr_grefs);
+               BACK_RING_INIT(&blkif->blk_rings.native, sring,
+                              XEN_PAGE_SIZE * nr_grefs);
                break;
        }
        case BLKIF_PROTOCOL_X86_32:
        {
                struct blkif_x86_32_sring *sring_x86_32;
                sring_x86_32 = (struct blkif_x86_32_sring *)blkif->blk_ring;
-               BACK_RING_INIT(&blkif->blk_rings.x86_32, sring_x86_32, PAGE_SIZE * nr_grefs);
+               BACK_RING_INIT(&blkif->blk_rings.x86_32, sring_x86_32,
+                              XEN_PAGE_SIZE * nr_grefs);
                break;
        }
        case BLKIF_PROTOCOL_X86_64:
        {
                struct blkif_x86_64_sring *sring_x86_64;
                sring_x86_64 = (struct blkif_x86_64_sring *)blkif->blk_ring;
-               BACK_RING_INIT(&blkif->blk_rings.x86_64, sring_x86_64, PAGE_SIZE * nr_grefs);
+               BACK_RING_INIT(&blkif->blk_rings.x86_64, sring_x86_64,
+                              XEN_PAGE_SIZE * nr_grefs);
                break;
        }
        default:
@@ -826,7 +829,7 @@ again:
 static int connect_ring(struct backend_info *be)
 {
        struct xenbus_device *dev = be->dev;
-       unsigned int ring_ref[XENBUS_MAX_RING_PAGES];
+       unsigned int ring_ref[XENBUS_MAX_RING_GRANTS];
        unsigned int evtchn, nr_grefs, ring_page_order;
        unsigned int pers_grants;
        char protocol[64] = "";