!1331 [sync] PR-1314: ext4: Stop trying writing pages if no free blocks generated

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/1314 
 
PR sync from: Zhihao Cheng <chengzhihao1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/ALOJ633HB2KNGCGZVSSVUI34JMM2MTRP/ 
 
 
Link:https://gitee.com/openeuler/kernel/pulls/1331

 

Reviewed-by: zhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>