[Sheepdog] [PATCH v2] sheep: update inode cache first

[Christoph Hellwig]

On Fri, May 11, 2012 at 08:37:16PM +0800, Liu Yuan wrote:
> So what is the point to use unsafe mode to 'qemu-img convert' for Sheepdog?

qemu assumes block device semantics for anything underlying, that is
even if a cache exists it's one shared between anyone who could access
it and thus there are no coherency issues.  Dealing with anything else
is pretty painful.