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From:   Waiman Long <llong@redhat.com>
Subject: Re: [patch 15/63] locking: Add base code for RT rw_semaphore and
 rwlock
To:     Thomas Gleixner <tglx@linutronix.de>,
        LKML <linux-kernel@vger.kernel.org>
Cc:     Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@kernel.org>,
        Juri Lelli <juri.lelli@redhat.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Daniel Bristot de Oliveira <bristot@redhat.com>,
        Will Deacon <will@kernel.org>,
        Boqun Feng <boqun.feng@gmail.com>,
        Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
        Davidlohr Bueso <dave@stgolabs.net>
References: <20210730135007.155909613@linutronix.de>
 <20210730135206.018846923@linutronix.de>
Message-ID: <710fff58-1db3-d0c2-21db-b1837d37bfee@redhat.com>
Date:   Wed, 4 Aug 2021 15:37:35 -0400
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On 7/30/21 9:50 AM, Thomas Gleixner wrote:
> +static int __sched rwbase_write_lock(struct rwbase_rt *rwb,
> +				     unsigned int state)
> +{
> +	struct rt_mutex_base *rtm = &rwb->rtmutex;
> +	unsigned long flags;
> +
> +	/* Take the rtmutex as a first step */
> +	if (rwbase_rtmutex_lock_state(rtm, state))

This function is used here before it was defined in next patch (patch 16).

Cheers,
Longman