linux-kernel - Re: [PATCHv2] seq_buf: add seq_buf_do

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Message-ID: <20230411224652.576dd18c@gandalf.local.home>
Date:   Tue, 11 Apr 2023 22:46:52 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Sergey Senozhatsky <senozhatsky@...omium.org>
Cc:     Petr Mladek <pmladek@...e.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Yosry Ahmed <yosryahmed@...gle.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2] seq_buf: add seq_buf_do_printk() helper

On Tue, 11 Apr 2023 23:38:52 +0900
Sergey Senozhatsky <senozhatsky@...omium.org> wrote:

> Sometimes we use seq_buf to format a string buffer, which
> we then pass to printk(). However, in certain situations
> the seq_buf string buffer can get too big, exceeding the
> PRINTKRB_RECORD_MAX bytes limit, and causing printk() to
> truncate the string.
> 
> Add a new seq_buf helper. This helper prints the seq_buf
> string buffer line by line, using \n as a delimiter,
> rather than passing the whole string buffer to printk()
> at once.
> 
> Signed-off-by: Sergey Senozhatsky <senozhatsky@...omium.org>

Looks good to me. Want me to pull this in my tree, or do you have
patches dependent on this?

-- Steve