linux-kernel - Re: [PATCH v1 3/8] Deferred batching of iput()

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Message-ID: <20090117101809.GB2682@ioremap.net>
Date:	Sat, 17 Jan 2009 13:18:09 +0300
From:	Evgeniy Polyakov <zbr@...emap.net>
To:	Mike Waychison <mikew@...gle.com>
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH v1 3/8] Deferred batching of iput()

On Fri, Jan 16, 2009 at 06:29:52PM -0800, Mike Waychison (mikew@...gle.com) wrote:
> +static void postpone_iput(struct inode *inode)
> +{
> +	struct postponed_inodes *ppi, *new_ppi;
> +
> +again:
> +	ppi = get_cpu_var(postponed_inodes);
> +	if (!pending_iput_full(ppi)) {
> +		add_pending_iput(ppi, inode);
> +		put_cpu_var(postponed_inodes);
> +		return;
> +	}
> +
> +	/* Need to flush out existing pending inodes */
> +	put_cpu_var(postponed_inodes);
> +	/* Allocate more space.. */
> +	new_ppi = new_postponed_inodes();
> +	if (!new_ppi) {
> +		struct postponed_inodes_onstack ppi_onstack;
> +
> +		ppi = init_ppi_onstack(&ppi_onstack);
> +		add_pending_iput(ppi, inode);
> +		process_postponed_inodes(ppi);
> +		return;
> +	}

The same here: what just not to call a real_iput() without on-stack
allocation and the line?

-- 
	Evgeniy Polyakov
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