!2927 dm ioctl: add DMINFO() to track dm device create/remove

Merge Pull Request from: @zhengzengkai 
 
Add DMIINFO() to help tracking device creation/removal success, in case failure occurs without debug information. 
 
Link:https://gitee.com/openeuler/kernel/pulls/2927

 

Reviewed-by: zhangyi (F) <yi.zhang@huawei.com>