linux-kernel - Re: [PATCH] 3/4 qrcu: add documentation

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Date:	Wed, 03 Jan 2007 10:29:10 +0100
From:	Tomas Carnecky <tom@...ervice.com>
To:	Jens Axboe <jens.axboe@...cle.com>
CC:	linux-kernel@...r.kernel.org,
	Nick Piggin <nickpiggin@...oo.com.au>, akpm@...l.org
Subject: Re: [PATCH] 3/4 qrcu: add documentation

Jens Axboe wrote:
> diff --git a/Documentation/RCU/checklist.txt b/Documentation/RCU/checklist.txt
> index f4dffad..36d6185 100644
> --- a/Documentation/RCU/checklist.txt
> +++ b/Documentation/RCU/checklist.txt
> @@ -259,3 +259,16 @@ over a rather long period of time, but improvements are always welcome!
>  
>  	Note that, rcu_assign_pointer() and rcu_dereference() relate to
>  	SRCU just as they do to other forms of RCU.
> +
> +14.	QRCU is very similar to SRCU, but features very fast grace-period
> +	processing at the expense of heavier-weight read-side operations.
> +	The correspondance between QRCU and SRCU is as follows:
> +
> +		QRCU			SRCU
> +
> +		struct qrcu_struct	struct srcu_struct
> +		init_qrcu_struct()	init_srcu_struct()
> +		cleanup_qrcu_struct()	cleanup_srcu_struct()
> +		qrcu_read_lock()	srcu_read_lock()
> +		qrcu_read-unlock()	srcu_read_unlock()

A small typo: qrcu_read_unlock()

tom
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