[sheepdog] [PATCH v2] sheep/http: fix error in bucket_delete

[Liu Yuan]

On Wed, Aug 06, 2014 at 08:26:46PM +0800, Bingpeng Zhu wrote:
> In current implementation, When we create a bucket, we decide
> the bnode's location in account VDI using sd_hash(bucket_name)
> as key. We handle hash conflict by linear probing hash table.
> Here is the bug:
> When we delete a bucket, we can't discard its bnode. Because
> bnode_lookup() need it to find if some bucket exists or not
> by checking adjacent bnodes. Therefore, we just zero its
> bnode.name when client want to delete a bucket. When we create
> a bucket later, we can reuse the zero bnode if they hash to
> the same location in account VDI. So, we need to change the
> implementation of bnode lookup and bnode create function, too.
> 
> Signed-off-by: Bingpeng Zhu <bingpeng.zbp at alibaba-inc.com>

Applied thanks

Yuan