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From: Jens Axboe <axboe@fb.com>
To: Bart Van Assche <Bart.VanAssche@sandisk.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	"osandov@osandov.com" <osandov@osandov.com>
Subject: Re: [PATCH 07/10] blk-mq: abstract out helpers for allocating/freeing tag maps
Date: Thu, 12 Jan 2017 14:54:38 -0700	[thread overview]
Message-ID: <20170112215438.GA25197@kernel.dk> (raw)
In-Reply-To: <1484256526.2720.19.camel@sandisk.com>

On Thu, Jan 12 2017, Bart Van Assche wrote:
> On Wed, 2017-01-11 at 14:40 -0700, Jens Axboe wrote:
> > @@ -2392,12 +2425,12 @@ int blk_mq_alloc_tag_set(struct blk_mq_tag_set *set)
> >  	if (set->nr_hw_queues > nr_cpu_ids)
> >  		set->nr_hw_queues = nr_cpu_ids;
> >  
> > +	ret = -ENOMEM;
> >  	set->tags = kzalloc_node(nr_cpu_ids * sizeof(struct blk_mq_tags *),
> >  				 GFP_KERNEL, set->numa_node);
> >  	if (!set->tags)
> >  		return -ENOMEM;
> >  
> > -	ret = -ENOMEM;
> >  	set->mq_map = kzalloc_node(sizeof(*set->mq_map) * nr_cpu_ids,
> >  			GFP_KERNEL, set->numa_node);
> >  	if (!set->mq_map)
> 
> Not that it matters to me, but this change probably isn't needed?

Huh oops no, I'll move that back where it belongs.

-- 
Jens Axboe

  reply	other threads:[~2017-01-12 21:54 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-11 21:39 [PATCHSET v6] blk-mq scheduling framework Jens Axboe
2017-01-11 21:39 ` [PATCH 01/10] block: move existing elevator ops to union Jens Axboe
2017-01-12 10:15   ` Johannes Thumshirn
2017-01-12 21:17   ` Bart Van Assche
2017-01-13  8:34   ` Christoph Hellwig
2017-01-13 15:00     ` Jens Axboe
2017-01-11 21:39 ` [PATCH 02/10] blk-mq: make mq_ops a const pointer Jens Axboe
2017-01-12 10:14   ` Johannes Thumshirn
2017-01-13  8:16   ` Christoph Hellwig
2017-01-11 21:39 ` [PATCH 03/10] block: move rq_ioc() to blk.h Jens Axboe
2017-01-12 10:14   ` Johannes Thumshirn
2017-01-12 21:18   ` Bart Van Assche
2017-01-13  8:33   ` Christoph Hellwig
2017-01-11 21:39 ` [PATCH 04/10] blk-mq: un-export blk_mq_free_hctx_request() Jens Axboe
2017-01-12 10:13   ` Johannes Thumshirn
2017-01-12 21:18   ` Bart Van Assche
2017-01-13  8:16   ` Christoph Hellwig
2017-01-11 21:39 ` [PATCH 05/10] blk-mq: export some helpers we need to the scheduling framework Jens Axboe
2017-01-12 10:17   ` Johannes Thumshirn
2017-01-12 21:20   ` Bart Van Assche
2017-01-13  8:17   ` Christoph Hellwig
2017-01-13 15:01     ` Jens Axboe
2017-01-11 21:39 ` [PATCH 06/10] blk-mq-tag: cleanup the normal/reserved tag allocation Jens Axboe
2017-01-12 21:22   ` Bart Van Assche
2017-01-12 22:07     ` Jens Axboe
2017-01-13  8:30   ` Christoph Hellwig
2017-01-13 15:06     ` Jens Axboe
2017-01-11 21:40 ` [PATCH 07/10] blk-mq: abstract out helpers for allocating/freeing tag maps Jens Axboe
2017-01-12 21:29   ` Bart Van Assche
2017-01-12 21:54     ` Jens Axboe [this message]
2017-01-13  8:25       ` Johannes Thumshirn
2017-01-11 21:40 ` [PATCH 08/10] blk-mq-sched: add framework for MQ capable IO schedulers Jens Axboe
2017-01-12 21:45   ` Bart Van Assche
2017-01-12 21:59     ` Jens Axboe
2017-01-13 11:15   ` Hannes Reinecke
2017-01-13 16:39     ` Bart Van Assche
2017-01-13 16:41     ` Omar Sandoval
2017-01-13 17:43       ` Hannes Reinecke
2017-01-11 21:40 ` [PATCH 09/10] mq-deadline: add blk-mq adaptation of the deadline IO scheduler Jens Axboe
2017-01-12 21:53   ` Bart Van Assche
2017-01-11 21:40 ` [PATCH 10/10] blk-mq-sched: allow setting of default " Jens Axboe
2017-01-12 21:54   ` Bart Van Assche
2017-01-12 21:16 ` [PATCHSET v6] blk-mq scheduling framework Bart Van Assche
2017-01-13  8:15 ` Hannes Reinecke
2017-01-13 11:04   ` Hannes Reinecke
2017-01-13 12:10     ` Hannes Reinecke
2017-01-13 15:05       ` Jens Axboe
2017-01-13 15:03     ` Jens Axboe
2017-01-13 15:23     ` Jens Axboe
2017-01-13 15:33       ` Hannes Reinecke
2017-01-13 15:34         ` Jens Axboe
2017-01-13 15:59           ` Hannes Reinecke
2017-01-13 16:00             ` Jens Axboe
2017-01-13 16:02               ` Jens Axboe
2017-01-13 21:45                 ` Jens Axboe
2017-01-16  8:11                 ` Hannes Reinecke
2017-01-16 15:12                   ` Jens Axboe
2017-01-16 15:16                     ` Jens Axboe
2017-01-16 15:47                       ` Jens Axboe
2017-01-13 10:09 ` Hannes Reinecke
2017-01-15 10:12 ` Paolo Valente
2017-01-15 15:55   ` Jens Axboe

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