linux-ext4 - Re: [PATCH 1/2] ext4: cleanup GFP flags inside resize path V2

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Date:	Tue, 25 Nov 2014 13:08:36 -0500
From:	Theodore Ts'o <tytso@....edu>
To:	Dmitry Monakhov <dmonakhov@...nvz.org>
Cc:	linux-ext4@...r.kernel.org, cmm@...ibm.com
Subject: Re: [PATCH 1/2] ext4: cleanup GFP flags inside resize path V2

On Fri, Nov 14, 2014 at 01:40:39PM +0400, Dmitry Monakhov wrote:
> We must use GFP_NOFS instead GFP_KERNEL inside ext4_mb_add_groupinfo because resize-path
> call  it inside journal transaction. Call trace:
> ioctl
>  ->ext4_group_add
>    ->journal_start
>    ->ext4_setup_new_descs
>      ->ext4_mb_add_groupinfo -> GFP_KERNEL
>    ->ext4_flex_group_add
>      ->ext4_update_super
>        ->ext4_calculate_overhead  -> GFP_KERNEL
>    ->journal_stop
> 
> Changes from V1:
>  - Fix up gfp flags for ext4_calculate_overhead
> 
> ext4_update_super
> 
> Signed-off-by: Dmitry Monakhov <dmonakhov@...nvz.org>

Applied, thanks, with a slightly cleaned up commit description.

	 	      		 	    	   - Ted
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