linux-kernel - Re: [PATCH] [2/7] Convert open coded reference in libata to q->bounce_gfp to blk

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Date:	Fri, 07 Mar 2008 16:06:44 -0500
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	axboe@...nel.dk, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [2/7] Convert open coded reference in libata to q->bounce_gfp
 to blk_kmalloc

Andi Kleen wrote:
> Only difference in behaviour is that GFP_NOIO is not passed here now,
> but I think that is ok in this case because this is not in a write out path.
> 
> Cc: jgarzik@...ox.com
> 
> Signed-off-by: Andi Kleen <ak@...e.de>
> 
> ---
>  drivers/ata/libata-scsi.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Index: linux/drivers/ata/libata-scsi.c
> ===================================================================
> --- linux.orig/drivers/ata/libata-scsi.c
> +++ linux/drivers/ata/libata-scsi.c
> @@ -868,7 +868,7 @@ static int ata_scsi_dev_config(struct sc
>  		blk_queue_dma_pad(sdev->request_queue, ATA_DMA_PAD_SZ - 1);
>  
>  		/* configure draining */
> -		buf = kmalloc(ATAPI_MAX_DRAIN, q->bounce_gfp | GFP_KERNEL);
> +		buf = blk_kmalloc(q, ATAPI_MAX_DRAIN, GFP_KERNEL);

I think that's a fair assessment... ACK


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