linux-kernel - Re: [PATCH 1/2] bufferhead: Add _gfp version for sb

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Message-ID: <20150702061405.GA3108@thunk.org>
Date:	Thu, 2 Jul 2015 02:14:05 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Nikolay Borisov <kernel@...p.com>
Cc:	adilger.kernel@...ger.ca, linux-ext4@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] bufferhead: Add _gfp version for sb_getblk()

On Tue, Jun 30, 2015 at 09:26:48AM +0300, Nikolay Borisov wrote:
> sb_getblk() is used during ext4 (and possibly other FSes) writeback
> paths. Sometimes such path require allocating memory and guaranteeing
> that such allocation won't block. Currently, however, there is no way
> to provide user flags for sb_getblk which could lead to deadlocks.
> 
> This patch implements a sb_getblk_gfp with the only difference it can
> accept user-provided GFP flags.
> 
> Signed-off-by: Nikolay Borisov <kernel@...p.com>

I've added this to the ext4.git tree, thanks.

     	   	       		      - Ted
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