block: invoke .bdrv_drain callback in coroutine context and from AioContext
This will let the callback take a CoMutex in the next patch. Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com> Reviewed-by: NFam Zheng <famz@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Message-Id: <20170629132749.997-8-pbonzini@redhat.com> Signed-off-by: NFam Zheng <famz@redhat.com>
Showing
想要评论请 注册 或 登录