!6042 nilfs2: fix data corruption in dsync block recovery for small block sizes

Merge Pull Request from: @ci-robot 
 
PR sync from: Zizhi Wo <wozizhi@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/EEBKXTSCBHAOB4H5R2GOM6XYZRFS4RS7/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9E2FH 
 
Link:https://gitee.com/openeuler/kernel/pulls/6042

 

Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>