linux-kernel - Re: [PATCH] printk: ringbuffer: Convert function argument to local variable

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Date:   Tue, 10 Nov 2020 14:20:34 +0106
From:   John Ogness <john.ogness@...utronix.de>
To:     Nikolay Borisov <nborisov@...e.com>, pmladek@...e.com,
        sergey.senozhatsky@...il.com
Cc:     linux-kernel@...r.kernel.org, rostedt@...dmis.org,
        Nikolay Borisov <nborisov@...e.com>
Subject: Re: [PATCH] printk: ringbuffer: Convert function argument to local variable

On 2020-11-10, Nikolay Borisov <nborisov@...e.com> wrote:
> data_alloc's 2nd argument is always rb::text_data_ring and that functino
> always takes a struct printk_ringbuffer. Instead of passing the data
> ring buffer as an argument simply make it a local variable.

This is a relic of when we had a second data ring (for
dictionaries). The patch is a nice cleanup, but there are actually
several functions that could use this exact same cleanup:

- data_make_reusable()
- data_push_tail()
- data_alloc()
- data_realloc()

Perhaps we should fix them all in a single patch?

John Ogness