linux-kernel - Re: [RFC] uapi: Convert stat.h #define flags to enums

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Message-Id: <C266KL0CLET8.Z2G09QJ83ZWK@maharaja>
Date:   Mon, 20 Apr 2020 09:37:42 -0700
From:   "Daniel Xu" <dxu@...uu.xyz>
To:     "Christoph Hellwig" <hch@...radead.org>
Cc:     <linux-kernel@...r.kernel.org>, <bpf@...r.kernel.org>,
        <kernel-team@...com>, <jolsa@...nel.org>,
        <brendan.d.gregg@...il.com>, <andrii.nakryiko@...il.com>,
        <ast@...nel.org>
Subject: Re: [RFC] uapi: Convert stat.h #define flags to enums

Hi Christoph,

On Sun Apr 19, 2020 at 6:30 PM PST, Christoph Hellwig wrote:
> And that breaks every userspace program using ifdef to check if a
> symbolic name has been defined.

How about shadowing #define's? Like for `enum nfnetlink_groups` in
include/uapi/linux/netfilter/nfnetlink.h .

Thanks,
Daniel