Subject: Re: [PATCH v8 2/5] seq_buf: Export seq_buf_printf

From: Vaibhav Jain <[email-masked]>
Date: Mon, 01 Jun 2020 17:31:31 +0530

Hi Christoph and Steven,

Have addressed your review comment to update the patch description and
title for this patch. Can you please provide your ack to this patch.

Thanks,
~ Vaibhav

Vaibhav Jain <[email-masked]> writes:

> 'seq_buf' provides a very useful abstraction for writing to a string
> buffer without needing to worry about it over-flowing. However even
> though the API has been stable for couple of years now its still not
> exported to kernel loadable modules limiting its usage.
>
> Hence this patch proposes update to 'seq_buf.c' to mark
> seq_buf_printf() which is part of the seq_buf API to be exported to
> kernel loadable GPL modules. This symbol will be used in later parts
> of this patch-set to simplify content creation for a sysfs attribute.
>
> Cc: Piotr Maziarz <[email-masked]>
> Cc: Cezary Rojewski <[email-masked]>
> Cc: Christoph Hellwig <[email-masked]>
> Cc: Steven Rostedt <[email-masked]>
> Cc: Borislav Petkov <[email-masked]>
> Signed-off-by: Vaibhav Jain <[email-masked]>
> ---
> Changelog:
>
> v7..v8:
> * Updated the patch title [ Christoph Hellwig ]
> * Updated patch description to replace confusing term 'external kernel
>   modules' to 'kernel lodable modules'.
>
> Resend:
> * Added ack from Steven Rostedt
>
> v6..v7:
> * New patch in the series
> ---
>  lib/seq_buf.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/lib/seq_buf.c b/lib/seq_buf.c
> index 4e865d42ab03..707453f5d58e 100644
> --- a/lib/seq_buf.c
> +++ b/lib/seq_buf.c
> @@ -91,6 +91,7 @@ int seq_buf_printf(struct seq_buf *s, const char *fmt, ...)
>  
>  	return ret;
>  }
> +EXPORT_SYMBOL_GPL(seq_buf_printf);
>  
>  #ifdef CONFIG_BINARY_PRINTF
>  /**
> -- 
> 2.26.2
>
--