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

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Date:   Tue, 11 Apr 2023 20:14:28 -0700
From:   Yosry Ahmed <yosryahmed@...gle.com>
To:     Sergey Senozhatsky <senozhatsky@...omium.org>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Petr Mladek <pmladek@...e.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2] seq_buf: add seq_buf_do_printk() helper

On Tue, Apr 11, 2023 at 8:08 PM Sergey Senozhatsky
<senozhatsky@...omium.org> wrote:
>
> On (23/04/11 22:46), Steven Rostedt 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?
>
> Thanks, would be great if you can pull this in your tree. The MM
> patches that Yosry is working on will be posted after the merge
> window.

Yes, thanks Sergey and Steven.

The sooner this patch ends up in Linus's tree the better for me so I
can send my MM patches based off of it. I am guessing through your
tree is the easiest way for that.

Thanks again.