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Date: Tue, 5 Feb 2013 13:32:48 -0500
From: Chris Mason <chris.mason@fusionio.com>
To: Tomasz Torcz <tomek@pipebreaker.pl>
CC: Chris Mason <clmason@fusionio.com>,
        "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: experimental raid5/6 code in git
Message-ID: <20130205183248.GF20797@shiny>
References: <20130202160212.GB4694@shiny>
 <20130205142236.GA6619@mother.jarsat.pl>
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On Tue, Feb 05, 2013 at 07:22:36AM -0700, Tomasz Torcz wrote:
> Hi,
> 
>   I believe XOR_BLOCKS must be selected, otherwise build fails with:
> ERROR: "xor_blocks" [fs/btrfs/btrfs.ko] undefined!
>  
> 
> diff --git a/fs/btrfs/Kconfig b/fs/btrfs/Kconfig
> index 4f5dc93..5f583c8 100644
> --- a/fs/btrfs/Kconfig
> +++ b/fs/btrfs/Kconfig
> @@ -7,6 +7,7 @@ config BTRFS_FS
>  	select LZO_COMPRESS
>  	select LZO_DECOMPRESS
>  	select RAID6_PQ
> +	select XOR_BLOCKS
>  
>  	help
>  	  Btrfs is a new filesystem with extents, writable snapshotting,

Thanks, I've put this in.

-chris