diff --git a/hw/xen_disk.c b/hw/xen_disk.c index 8a9fac499bb336dbd07efdefab7167720cac10e5..286bbac54a198d3b22377c77451b432e06ae76cb 100644 --- a/hw/xen_disk.c +++ b/hw/xen_disk.c @@ -620,7 +620,7 @@ static void blk_alloc(struct XenDevice *xendev) static int blk_init(struct XenDevice *xendev) { struct XenBlkDev *blkdev = container_of(xendev, struct XenBlkDev, xendev); - int index, qflags, have_barriers, info = 0; + int index, qflags, info = 0; /* read xenstore entries */ if (blkdev->params == NULL) { @@ -706,7 +706,6 @@ static int blk_init(struct XenDevice *xendev) blkdev->bs->drv ? blkdev->bs->drv->format_name : "-"); blkdev->file_size = 0; } - have_barriers = blkdev->bs->drv && blkdev->bs->drv->bdrv_flush ? 1 : 0; xen_be_printf(xendev, 1, "type \"%s\", fileproto \"%s\", filename \"%s\"," " size %" PRId64 " (%" PRId64 " MB)\n", @@ -714,7 +713,7 @@ static int blk_init(struct XenDevice *xendev) blkdev->file_size, blkdev->file_size >> 20); /* fill info */ - xenstore_write_be_int(&blkdev->xendev, "feature-barrier", have_barriers); + xenstore_write_be_int(&blkdev->xendev, "feature-barrier", 1); xenstore_write_be_int(&blkdev->xendev, "info", info); xenstore_write_be_int(&blkdev->xendev, "sector-size", blkdev->file_blk); xenstore_write_be_int(&blkdev->xendev, "sectors",