linux-kernel - Re: [dm-devel] [Bcache v13 01/16] Only clone bio vecs that are in use

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Message-ID: <20120510213556.GO23768@redhat.com>
Date:	Thu, 10 May 2012 17:35:56 -0400
From:	Vivek Goyal <vgoyal@...hat.com>
To:	Kent Overstreet <koverstreet@...gle.com>
Cc:	linux-bcache@...r.kernel.org, linux-kernel@...r.kernel.org,
	dm-devel@...hat.com, tejun@...gle.com, agk@...hat.com
Subject: Re: [dm-devel] [Bcache v13 01/16] Only clone bio vecs that are in use

On Wed, May 09, 2012 at 11:08:13PM -0400, Kent Overstreet wrote:

[..]
> -
> -	if (bio_integrity(bio)) {
> -		bio_integrity_clone(clone, bio, GFP_NOIO, bs);
> -
> +#if 0
> +	if (bio_integrity(bio))
>  		if (idx != bio->bi_idx || clone->bi_size < bio->bi_size)
>  			bio_integrity_trim(clone,
>  					   bio_sector_offset(bio, idx, 0), len);
> -	}
> -
> +#endif

Dead/debug code under "#if 0" ?

Thanks
Vivek
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