linux-kernel - Re: fs/ocfs2/dlm: Use GFP_ATOMIC under spin

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Message-ID: <20101118234216.GH19821@mail.oracle.com>
Date:	Thu, 18 Nov 2010 15:42:16 -0800
From:	Joel Becker <Joel.Becker@...cle.com>
To:	David Sterba <dsterba@...e.cz>
Cc:	ocfs2-devel@....oracle.com, linux-kernel@...r.kernel.org,
	mfasheh@...e.com
Subject: Re: fs/ocfs2/dlm: Use GFP_ATOMIC under spin_lock

On Tue, Nov 02, 2010 at 11:36:02PM +0100, David Sterba wrote:
> coccinelle check scripts/coccinelle/locks/call_kern.cocci found that
> in fs/ocfs2/dlm/dlmdomain.c an allocation with GFP_KERNEL is done
> with locks held:
> 
> dlm_query_region_handler
>   spin_lock(dlm_domain_lock)
>     dlm_match_regions
>       kmalloc(GFP_KERNEL)
> 
> Change it to GFP_ATOMIC.
> 
> Signed-off-by: David Sterba <dsterba@...e.cz>
> CC: Joel Becker <joel.becker@...cle.com>
> CC: Mark Fasheh <mfasheh@...e.com>
> CC: ocfs2-devel@....oracle.com

	This patch is now in the fixes branch of ocfs2.git.

Joel

-- 

"Behind every successful man there's a lot of unsuccessful years."
        - Bob Brown

Joel Becker
Senior Development Manager
Oracle
E-mail: joel.becker@...cle.com
Phone: (650) 506-8127
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