On Sun, Aug 18, 2019 at 09:56:31AM +0800, Gao Xiang wrote:
> @@ -82,8 +82,12 @@ static int erofs_readdir(struct file *f, struct
> dir_context *ctx)
> unsigned int nameoff, maxsize;
>
> dentry_page = read_mapping_page(mapping, i, NULL);
> - if (IS_ERR(dentry_page))
> - continue;
> + if (IS_ERR(dentry_page)) {
> + errln("fail to readdir of logical block %u of nid %llu",
> + i, EROFS_V(dir)->nid);
> + err = PTR_ERR(dentry_page);
> + break;
I don't think you want to use the errno that came back from
read_mapping_page() (which is, I think, always going to be -EIO).
Rather you want -EFSCORRUPTED, at least if I understand the recent
patches to ext2/ext4/f2fs/xfs/...
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