Re: [PATCH 04/13] block: Add bio_clone_kmalloc()

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On Thu, May 17, 2012 at 10:59:51PM -0400, koverstreet@xxxxxxxxxx wrote:
> @@ -729,7 +729,7 @@ static struct bio *bio_chain_clone(struct bio **old, struct bio **next,
>  	}
>  
>  	while (old_chain && (total < len)) {
> -		tmp = bio_kmalloc(gfpmask, old_chain->bi_max_vecs);
> +		tmp = bio_clone_kmalloc(old_chain, gfpmask);
>  		if (!tmp)
>  			goto err_out;
>  
> @@ -751,13 +751,9 @@ static struct bio *bio_chain_clone(struct bio **old, struct bio **next,
>  			if (!bp)
>  				goto err_out;
>  
> -			__bio_clone(tmp, &bp->bio1);
> -

This effectively swaps the order of bio_split() and __bio_clone().  Is
that safe?  Also, please cc the maintainer.

Thanks.

-- 
tejun

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