Unverified Commit cf216944 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!7701 ext4: fix corruption during on-line resize 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zhihao Cheng <chengzhihao@huaweicloud.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/VOHZE2VKIQJMCJUH7ZOZMRFGRQNW3JYP/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9Q9CF 
 
Link:https://gitee.com/openeuler/kernel/pulls/7701

 

Reviewed-by: default avatarzhangyi (F) <yi.zhang@huawei.com>
Reviewed-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents 5bab8a92 e5e93595

fs/ext4/resize.c

+2 −1
Original line number Diff line number Diff line
@@ -1558,7 +1558,8 @@ static int ext4_flex_group_add(struct super_block *sb, 
		int gdb_num = group / EXT4_DESC_PER_BLOCK(sb);

		int gdb_num_end = ((group + flex_gd->count - 1) /

				   EXT4_DESC_PER_BLOCK(sb));

		int meta_bg = ext4_has_feature_meta_bg(sb);

		int meta_bg = ext4_has_feature_meta_bg(sb) &&

			      gdb_num >= le32_to_cpu(es->s_first_meta_bg);

		sector_t old_gdb = 0;



		update_backups(sb, sbi->s_sbh->b_blocknr, (char *)es,