* Takuma Umeya <tumeya@xxxxxxxxxx> [2011-04-05 00:00]:
> When virtio block device is removed, index does not get decremented. When
> another virtio disk is attached it uses the next device letter to the
> one that is suppose to be available.
>
> Signed-off-by: Takuma Umeya <tumeya@xxxxxxxxxx>
>
> diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
> index 6ecf89c..730e7af 100644
> --- a/drivers/block/virtio_blk.c
> +++ b/drivers/block/virtio_blk.c
> @@ -489,6 +489,7 @@ static void __devexit virtblk_remove(struct virtio_device *vdev)
> mempool_destroy(vblk->pool);
> vdev->config->del_vqs(vdev);
> kfree(vblk);
> + index--;
> }
What about referencing /dev/disk/by-id and using drive serial numbers?
How much do we care about re-using minor numbers? IIRC, virtio-blk can
go out to vdxxx; that's a lot of disks or add/removes.
>
> static const struct virtio_device_id id_table[] = {
>
> --
> Umeya, Takuma
> Technical Account Manager
> Red Hat GSS APAC
> +81.3.5798.8584 (direct)
> tumeya@xxxxxxxxxx
> _______________________________________________
> Virtualization mailing list
> Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
> https://lists.linux-foundation.org/mailman/listinfo/virtualization
--
Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx
ryanh@xxxxxxxxxx
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