* [PATCH] virtio-blk: Allow extended partitions
@ 2015-06-23 3:39 Fam Zheng
0 siblings, 0 replies; only message in thread
From: Fam Zheng @ 2015-06-23 3:39 UTC (permalink / raw)
To: linux-kernel; +Cc: virtualization, Michael S. Tsirkin
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>
---
drivers/block/virtio_blk.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 5ea2f0b..97daa70 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -657,6 +657,7 @@ 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 */
--
2.4.2
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