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From: Hannes Reinecke <hare@suse.de>
To: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org, linux-mmc@vger.kernel.org,
	drbd-dev@lists.linbit.com
Subject: Re: [PATCH 11/16] drbd: don't override the queue_lock
Date: Thu, 15 Nov 2018 07:58:58 +0100	[thread overview]
Message-ID: <de7b9bee-a787-29f2-d58b-13d7a55d7752@suse.de> (raw)
In-Reply-To: <20181114160219.28328-12-hch@lst.de>

On 11/14/18 5:02 PM, Christoph Hellwig wrote:
> The DRBD req_lock and block layer queue_lock are used for entirely
> different resources.  Stop using the req_lock as the block layer
> queue_lock.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
>   drivers/block/drbd/drbd_main.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
> index fa8204214ac0..b66c59ce6260 100644
> --- a/drivers/block/drbd/drbd_main.c
> +++ b/drivers/block/drbd/drbd_main.c
> @@ -2792,7 +2792,7 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig
>   
>   	drbd_init_set_defaults(device);
>   
> -	q = blk_alloc_queue_node(GFP_KERNEL, NUMA_NO_NODE, &resource->req_lock);
> +	q = blk_alloc_queue_node(GFP_KERNEL, NUMA_NO_NODE, NULL);
>   	if (!q)
>   		goto out_no_q;
>   	device->rq_queue = q;
> 
Reviewed-by: Hannes Reinecke <hare@suse.com>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@suse.de			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)

  reply	other threads:[~2018-11-15  6:59 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-14 16:02 remove more legacy request leftover Christoph Hellwig
2018-11-14 16:02 ` [PATCH 01/16] block: remove QUEUE_FLAG_BYPASS and ->bypass Christoph Hellwig
2018-11-15  6:50   ` Hannes Reinecke
2018-11-14 16:02 ` [PATCH 02/16] block: remove deadline __deadline manipulation helpers Christoph Hellwig
2018-11-15  6:51   ` Hannes Reinecke
2018-11-14 16:02 ` [PATCH 03/16] block: don't hold the queue_lock over blk_abort_request Christoph Hellwig
2018-11-15  6:51   ` Hannes Reinecke
2018-11-14 16:02 ` [PATCH 04/16] block: use atomic bitops for ->queue_flags Christoph Hellwig
2018-11-15  6:55   ` Hannes Reinecke
2018-11-15  9:04     ` Christoph Hellwig
2018-11-14 16:02 ` [PATCH 05/16] block: remove queue_lockdep_assert_held Christoph Hellwig
2018-11-15  6:55   ` Hannes Reinecke
2018-11-14 16:02 ` [PATCH 06/16] block-iolatency: remove the unused lock argument to rq_qos_throttle Christoph Hellwig
2018-11-15  6:56   ` Hannes Reinecke
2018-11-14 16:02 ` [PATCH 07/16] block: update a few comments for the legacy request removal Christoph Hellwig
2018-11-15  6:56   ` Hannes Reinecke
2018-11-14 16:02 ` [PATCH 08/16] block: remove a few unused exports Christoph Hellwig
2018-11-15  6:57   ` Hannes Reinecke
2018-11-14 16:02 ` [PATCH 09/16] blk-cgroup: consolidate error handling in blkcg_init_queue Christoph Hellwig
2018-11-15  6:58   ` Hannes Reinecke
2018-11-14 16:02 ` [PATCH 10/16] blk-cgroup: move locking into blkg_destroy_all Christoph Hellwig
2018-11-15  6:58   ` Hannes Reinecke
2018-11-14 16:02 ` [PATCH 11/16] drbd: don't override the queue_lock Christoph Hellwig
2018-11-15  6:58   ` Hannes Reinecke [this message]
2018-11-14 16:02 ` [PATCH 12/16] umem: " Christoph Hellwig
2018-11-15  6:59   ` Hannes Reinecke
2018-11-14 16:02 ` [PATCH 13/16] mmc: simplify queue initialization Christoph Hellwig
2018-11-14 17:31   ` Ulf Hansson
2018-11-15  9:02     ` Christoph Hellwig
2018-11-15  7:00   ` Hannes Reinecke
2018-11-14 16:02 ` [PATCH 14/16] mmc: stop abusing the request queue_lock pointer Christoph Hellwig
2018-11-14 17:56   ` Ulf Hansson
2018-11-15  9:03     ` Christoph Hellwig
2018-11-15  7:00   ` Hannes Reinecke
2018-11-14 16:02 ` [PATCH 15/16] block: remove the lock argument to blk_alloc_queue_node Christoph Hellwig
2018-11-15  7:00   ` Hannes Reinecke
2018-11-14 16:02 ` [PATCH 16/16] block: remove the queue_lock indirection Christoph Hellwig
2018-11-15  7:01   ` Hannes Reinecke
2018-11-15 19:14 ` remove more legacy request leftover Jens Axboe
2018-11-15 19:20   ` Jens Axboe

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