linux-kernel - Re: [PATCH v9 1/3] tty: rename tty_kopen() and add new function tty_kopen

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Message-ID: <20201020122514.GB19856@duo.ucw.cz>
Date:   Tue, 20 Oct 2020 14:25:14 +0200
From:   Pavel Machek <pavel@...x.de>
To:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
Cc:     Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Dan Murphy <dmurphy@...com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>, kernel@...gutronix.de,
        linux-kernel@...r.kernel.org, Johan Hovold <johan@...nel.org>,
        linux-leds@...r.kernel.org, linux-serial@...r.kernel.org
Subject: Re: [PATCH v9 1/3] tty: rename tty_kopen() and add new function
 tty_kopen_shared()

Hi1

> Introduce a new function tty_kopen_shared() that yields a struct
> tty_struct. The semantic difference to tty_kopen() is that the tty is
> expected to be used already. So rename tty_kopen() to
> tty_kopen_exclusive() for clearness, adapt the single user and put the
> common code in a new static helper function.
> 
> tty_kopen_shared is to be used to implement an LED trigger for tty
> devices in one of the next patches.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
> ---
>  drivers/accessibility/speakup/spk_ttyio.c |  2 +-
>  drivers/tty/tty_io.c                      | 56 +++++++++++++++--------
>  include/linux/tty.h                       |  5 +-
>  3 files changed, 42 insertions(+), 21 deletions(-)

> -struct tty_struct *tty_kopen(dev_t device)
> +static struct tty_struct *tty_kopen(dev_t device, int shared)
>  {

bool? Otherwise I see nothing obviously wrong here.

But this is for Greg..

Best regards,
								Pavel

-- 
http://www.livejournal.com/~pavelmachek

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