!4227 [sync] PR-4149: block: remove precise_iostat

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/4149 
 
PR sync from: Li Nan <linan122@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/2CAD6CX42U6EIYUPZ4LVUMMJHYXLYCIR/ 
 
https://gitee.com/openeuler/kernel/issues/I8Y90H 
 
Link:https://gitee.com/openeuler/kernel/pulls/4227

 

Reviewed-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Jialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>