linux-kernel - Re: linux-next: md tree build failure

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Date:	Mon, 25 May 2009 08:15:52 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Neil Brown <neilb@...e.de>, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org, raz ben yehuda <raziebe@...il.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>
Subject: Re: linux-next: md tree build failure

On Mon, May 25 2009, Stephen Rothwell wrote:
> Hi Neil,
> 
> Today's linux-next build (powerpc ppc64_defconfig) failed like this:
> 
> drivers/md/raid0.c: In function 'create_strip_zones':
> drivers/md/raid0.c:243: error: 'struct request_queue' has no member named 'hardsect_size'
> 
> Caused by commit e1defc4ff0cf57aca6c5e3ff99fa503f5943c1f1 ("block: Do
> away with the notion of hardsect_size") from the block tree interacting
> with commit 131e4477401ae76a9cbe8539e4b7819e04cfba36 ("md: raid0: chunk
> size check in raid0_run") from the md tree.

Martin, this is starting to look like a disaster :-(

> 
> I applied the following patch.
> -- 
> Cheers,
> Stephen Rothwell                    sfr@...b.auug.org.au
> 
> diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
> index b8a0747..0bf275d 100644
> --- a/drivers/md/raid0.c
> +++ b/drivers/md/raid0.c
> @@ -240,7 +240,7 @@ static int create_strip_zones(mddev_t *mddev)
>  	 * now since we have the hard sector sizes, we can make sure
>  	 * chunk size is a multiple of that sector size
>  	 */
> -	if (mddev->chunk_size % mddev->queue->hardsect_size) {
> +	if (mddev->chunk_size % queue_logical_block_size(mddev->queue)) {
>  		printk(KERN_ERR "%s chunk_size of %d not valid\n",
>  		       mdname(mddev),
>  		       mddev->chunk_size);

-- 
Jens Axboe

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