linux-kernel - Re: [PATCH 24/54] md/raid1: Improve another size determination in setup

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Message-ID: <CAFLxGvx0Fr-WNvKYACdvNiZwYzHW4ocna9HPH8J_WPSXWc+ngg@mail.gmail.com>
Date:   Thu, 6 Oct 2016 11:29:20 +0200
From:   Richard Weinberger <richard.weinberger@...il.com>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:     "linux-raid@...r.kernel.org" <linux-raid@...r.kernel.org>,
        Christoph Hellwig <hch@....de>,
        Guoqing Jiang <gqjiang@...e.com>, Jens Axboe <axboe@...com>,
        Mike Christie <mchristi@...hat.com>,
        Neil Brown <neilb@...e.com>, Shaohua Li <shli@...nel.org>,
        Tomasz Majchrzak <tomasz.majchrzak@...el.com>,
        LKML <linux-kernel@...r.kernel.org>,
        "kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>,
        Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH 24/54] md/raid1: Improve another size determination in setup_conf()

On Thu, Oct 6, 2016 at 11:22 AM, SF Markus Elfring
<elfring@...rs.sourceforge.net> wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Tue, 4 Oct 2016 21:46:18 +0200
>
> Replace the specification of a data structure by a pointer dereference
> as the parameter for the operator "sizeof" to make the corresponding size
> determination a bit safer.

Isn't this pure matter of taste?
Some developers prefer sizeof(*ptr) because it is easier to type, other
developers prefer sizeof(struct foo) because you can determine the type
at first sight and makes review more easy.

-- 
Thanks,
//richard