scsi-disk: propagate the required alignment

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index ee20e8f04a2b8ebcbf81eef123fed1b4820e52c5..9628b39a2151f2aeaa70fe5b35f6fb1907c7c08f 100644 (file)
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -1178,6 +1178,7 @@ static int scsi_disk_initfn(SCSIDevice *dev)
         s->qdev.blocksize = s->qdev.conf.logical_block_size;
     }
     s->cluster_size = s->qdev.blocksize / 512;
+    s->bs->buffer_alignment = s->qdev.blocksize;
 
     s->qdev.type = TYPE_DISK;
     qemu_add_vm_change_state_handler(scsi_dma_restart_cb, s);