linux-kernel - Re: [PATCH]: ext4: fix big endian (was: not enough memory for 522250 flex groups)

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Message-ID: <jefxm4alem.fsf@sykes.suse.de>
Date:	Thu, 06 Nov 2008 17:06:57 +0100
From:	Andreas Schwab <schwab@...e.de>
To:	Christian Borntraeger <borntraeger@...ibm.com>
Cc:	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH]: ext4: fix big endian  (was: not enough memory for 522250 flex groups)

Christian Borntraeger <borntraeger@...ibm.com> writes:

> Index: kvm/fs/ext4/super.c
> ===================================================================
> --- kvm.orig/fs/ext4/super.c
> +++ kvm/fs/ext4/super.c
> @@ -1455,7 +1455,7 @@ static int ext4_fill_flex_info(struct su
>  
>  	/* We allocate both existing and potentially added groups */
>  	flex_group_count = ((sbi->s_groups_count + groups_per_flex - 1) +
> -			    ((sbi->s_es->s_reserved_gdt_blocks +1 ) <<
> +			    (le16_to_cpu(sbi->s_es->s_reserved_gdt_blocks + 1) <<

You need to put the "+ 1" after the swap.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@...e.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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