!1317 ext4: Stop trying writing pages if no free blocks generated

Merge Pull Request from: @ci-robot 
 
PR sync from: Zhihao Cheng <chengzhihao1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/Q5W2A2OT4AR2WQL2U5INIGRMTPG2BNC2/ 
 
 
Link:https://gitee.com/openeuler/kernel/pulls/1317

 

Reviewed-by: zhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: Liu YongQiang <liuyongqiang13@huawei.com>