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virtio-blk: Allow extended partitions
authorFam Zheng <famz@redhat.com>
Sun, 6 Sep 2015 09:05:42 +0000 (17:05 +0800)
committerMichael S. Tsirkin <mst@redhat.com>
Tue, 8 Sep 2015 10:31:07 +0000 (13:31 +0300)
This will allow up to DISK_MAX_PARTS (256) partitions, with for example
GPT in the guest. Otherwise, the partition scan code will only discover
the first 15 partitions.

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
drivers/block/virtio_blk.c patch | blob | blame | history

diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index ea2c17c66dfb66ef41ab8e8052448c0716ad0b2f..e93899cc6f60be0bd13b45dde3b8d697b7a733c8 100644 (file)
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -656,6 +656,7 @@ static int virtblk_probe(struct virtio_device *vdev)
        vblk->disk->private_data = vblk;
        vblk->disk->fops = &virtblk_fops;
        vblk->disk->driverfs_dev = &vdev->dev;
+       vblk->disk->flags |= GENHD_FL_EXT_DEVT;
        vblk->index = index;
 
        /* configure queue flush support */