On Fri, 25 May 2012 10:34:46 +0800, Asias He [off-list ref] wrote:

This patch set fixes the race when hot-unplug stressed disk.

Asias He (3):
  virtio-blk: Call del_gendisk() before disable guest kick
  virtio-blk: Reset device after blk_cleanup_queue()
  virtio-blk: Use block layer provided spinlock

 drivers/block/virtio_blk.c |   25 ++++++-------------------
 1 file changed, 6 insertions(+), 19 deletions(-)

I've applied these (the revised spinlock patch, thanks to mst for his
feedback).

I think a cc: stable is in order for these, so I've added it.

Thanks,
Rusty.