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From:   Song Liu <song@kernel.org>
Date:   Fri, 15 Apr 2022 16:46:17 -0700
Message-ID: <CAPhsuW6JoSHe2B4daYjFrkWYBvGLzq2PZnPs76ceT0iW1h6sMQ@mail.gmail.com>
Subject: Re: [PATCH bpf-next 06/11] tools, bpf: fix fcntl.h include in bpftool
To:     Alexander Lobakin <alobakin@pm.me>
Cc:     Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Andrii Nakryiko <andrii@kernel.org>,
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        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Jiri Olsa <jolsa@kernel.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Martin KaFai Lau <kafai@fb.com>,
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On Thu, Apr 14, 2022 at 3:46 PM Alexander Lobakin <alobakin@pm.me> wrote:
>
> Fix the following (on some libc implementations):
>
>   CC      tracelog.o
> In file included from tracelog.c:12:
> include/sys/fcntl.h:1:2: warning: #warning redirecting incorrect #include <sys/fcntl.h> to <fcntl.h> [-Wcpp]
>     1 | #warning redirecting incorrect #include <sys/fcntl.h> to <fcntl.h>
>       |  ^~~~~~~
>
> <sys/fcntl.h> is anyway just a wrapper over <fcntl.h> (backcomp
> stuff).
>
> Fixes: 30da46b5dc3a ("tools: bpftool: add a command to dump the trace pipe")
> Signed-off-by: Alexander Lobakin <alobakin@pm.me>

Acked-by: Song Liu <songliubraving@fb.com>

> ---
>  tools/bpf/bpftool/tracelog.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/bpf/bpftool/tracelog.c b/tools/bpf/bpftool/tracelog.c
> index e80a5c79b38f..bf1f02212797 100644
> --- a/tools/bpf/bpftool/tracelog.c
> +++ b/tools/bpf/bpftool/tracelog.c
> @@ -9,7 +9,7 @@
>  #include <string.h>
>  #include <unistd.h>
>  #include <linux/magic.h>
> -#include <sys/fcntl.h>
> +#include <fcntl.h>
>  #include <sys/vfs.h>
>
>  #include "main.h"
> --
> 2.35.2
>
>