!4448 [sync] PR-4321: io_uring/af_unix: disable sending io_uring over sockets

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/4321 
 
PR sync from: Liu Jian <liujian56@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/HYDXTDCF4UCPC3JDBMM27IAK2CIPUDXI/ 
 
https://gitee.com/src-openeuler/kernel/issues/I8RWPE 
 
Link:https://gitee.com/openeuler/kernel/pulls/4448

 

Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>