[PATCH RESEND 2/2] staging: erofs: differentiate unsupported on-disk format

Chao Yu yuchao0 at huawei.com
Wed Aug 14 09:25:51 UTC 2019

On 2019/8/14 12:32, Gao Xiang wrote:
> For some specific fields, use ENOTSUPP instead of EIO
> for values which look sane but aren't supported right now.
> Signed-off-by: Gao Xiang <gaoxiang25 at huawei.com>

Reviewed-by: Chao Yu <yuchao0 at huawei.com>

> +		return -ENOTSUPP;

A little bit confused about when we need to use ENOTSUPP or EOPNOTSUPP, I
checked several manual of syscall, it looks EOPNOTSUPP is widely used.


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