Re: [PATCH] docs: ftrace: Correct access mode

From: Jonathan Corbet
Date: Mon Oct 10 2022 - 14:51:21 EST


Leo Yan <leo.yan@xxxxxxxxxx> writes:

> The documentation gives an example for opening trace marker with
> write-only mode, but the flag WR_ONLY is not defined by glibc.
>
> Use O_WRONLY to replace it.
>
> Signed-off-by: Leo Yan <leo.yan@xxxxxxxxxx>
> ---
> Documentation/trace/ftrace.rst | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Documentation/trace/ftrace.rst b/Documentation/trace/ftrace.rst
> index b37dc19e4d40..60bceb018d6a 100644
> --- a/Documentation/trace/ftrace.rst
> +++ b/Documentation/trace/ftrace.rst
> @@ -564,7 +564,7 @@ of ftrace. Here is a list of some of the key files:
>
> start::
>
> - trace_fd = open("trace_marker", WR_ONLY);
> + trace_fd = open("trace_marker", O_WRONLY);
>

Applied, thanks.

jon