From 316a7af35029d52c971f5df044eb69901d6f16ff Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Sun, 12 Sep 2010 23:43:39 +0200
Subject: [PATCH] virtio-blk: propagate the required alignment

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 hw/virtio-blk.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c
index bd6bbe6b14..a1df26dbcf 100644
--- a/hw/virtio-blk.c
+++ b/hw/virtio-blk.c
@@ -540,6 +540,7 @@ VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf)
     register_savevm(dev, "virtio-blk", virtio_blk_id++, 2,
                     virtio_blk_save, virtio_blk_load, s);
     bdrv_set_removable(s->bs, 0);
+    s->bs->buffer_alignment = conf->logical_block_size;
 
     return &s->vdev;
 }
-- 
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