[sheepdog] [Sheepdog] [PATCH 0/4] fix a race when multiple sheep join a cluster very quickly

[Christoph Hellwig]

On Thu, May 17, 2012 at 04:45:53PM +0800, Yunkai Zhang wrote:
> Another potential dead lock bug in __sd_join() that sheep may fetch
> vdi_bitmap from itself was found and fixed.

get_vdi_bitmap_from already contains an is_myself check, so this
should't happen.  Otoh moving that check into the caller will
help with the case where we only get the vdi bitmap from a single node.