blkif_sring 206 drivers/block/xen-blkback/xenbus.c struct blkif_sring *sring; blkif_sring 207 drivers/block/xen-blkback/xenbus.c sring = (struct blkif_sring *)ring->blk_ring; blkif_sring 1673 drivers/block/xen-blkfront.c struct blkif_sring *sring; blkif_sring 1682 drivers/block/xen-blkfront.c sring = (struct blkif_sring *)__get_free_pages(GFP_NOIO | __GFP_HIGH,