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From: Jens Axboe <axboe@fb.com>
To: Bart Van Assche <Bart.VanAssche@sandisk.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	"axboe@kernel.dk" <axboe@kernel.dk>
Cc: "osandov@fb.com" <osandov@fb.com>,
	"paolo.valente@linaro.org" <paolo.valente@linaro.org>
Subject: Re: [PATCH 7/8] mq-deadline: add blk-mq adaptation of the deadline IO scheduler
Date: Wed, 21 Dec 2016 07:22:37 -0700	[thread overview]
Message-ID: <705f3ab2-5829-1d30-20ea-dc167cca6582@fb.com> (raw)
In-Reply-To: <1482321550.2644.10.camel@sandisk.com>

On 12/21/2016 04:59 AM, Bart Van Assche wrote:
> Since this patch is the first patch that introduces a call to
> blk_queue_exit() from a module other than the block layer core,
> shouldn't this patch export the blk_queue_exit() function? An attempt
> to build mq-deadline as a module resulted in the following:
> 
> ERROR: "blk_queue_exit" [block/mq-deadline.ko] undefined!
> make[1]: *** [scripts/Makefile.modpost:91: __modpost] Error 1
> make: *** [Makefile:1198: modules] Error 2
> Execution failed: make all

Yes, it should. I'll make the export for now, I want to move that check
and free/drop into the generic code so that the schedulers don't have to
worry about it.

-- 
Jens Axboe

  reply	other threads:[~2016-12-21 14:23 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-17  0:12 [PATCHSET v4] blk-mq-scheduling framework Jens Axboe
2016-12-17  0:12 ` [PATCH 1/8] block: move existing elevator ops to union Jens Axboe
2016-12-17  0:12 ` [PATCH 2/8] blk-mq: make mq_ops a const pointer Jens Axboe
2016-12-17  0:12 ` [PATCH 3/8] block: move rq_ioc() to blk.h Jens Axboe
2016-12-20 10:12   ` Paolo Valente
2016-12-20 15:46     ` Jens Axboe
2016-12-20 22:14       ` Jens Axboe
2016-12-17  0:12 ` [PATCH 4/8] blk-mq: un-export blk_mq_free_hctx_request() Jens Axboe
2016-12-17  0:12 ` [PATCH 5/8] blk-mq: export some helpers we need to the scheduling framework Jens Axboe
2016-12-17  0:12 ` [PATCH 6/8] blk-mq-sched: add framework for MQ capable IO schedulers Jens Axboe
2016-12-20 11:55   ` Paolo Valente
2016-12-20 15:45     ` Jens Axboe
2016-12-21  2:22     ` Jens Axboe
2016-12-22 15:20       ` Paolo Valente
2016-12-22  9:59   ` Paolo Valente
2016-12-22 11:13     ` Paolo Valente
2017-01-17  2:47       ` Jens Axboe
2017-01-17 10:13         ` Paolo Valente
2017-01-17 12:38           ` Jens Axboe
2016-12-23 10:12     ` Paolo Valente
2017-01-17  2:47     ` Jens Axboe
2017-01-17  9:17       ` Paolo Valente
2016-12-17  0:12 ` [PATCH 7/8] mq-deadline: add blk-mq adaptation of the deadline IO scheduler Jens Axboe
2016-12-20  9:34   ` Paolo Valente
2016-12-20 15:46     ` Jens Axboe
2016-12-21 11:59   ` Bart Van Assche
2016-12-21 14:22     ` Jens Axboe [this message]
2016-12-22 16:07   ` Paolo Valente
2017-01-17  2:47     ` Jens Axboe
2016-12-22 16:49   ` Paolo Valente
2017-01-17  2:47     ` Jens Axboe
2017-01-20 11:07       ` Paolo Valente
2017-01-20 14:26         ` Jens Axboe
2017-01-20 13:14   ` Paolo Valente
2017-01-20 13:18     ` Paolo Valente
2017-01-20 14:28       ` Jens Axboe
2017-01-20 14:28     ` Jens Axboe
2017-02-01 11:11   ` Paolo Valente
2017-02-02  5:19     ` Jens Axboe
2017-02-02  9:19       ` Paolo Valente
2017-02-02 15:30         ` Jens Axboe
2017-02-02 21:15           ` Paolo Valente
2017-02-02 21:32             ` Jens Axboe
2017-02-07 17:27               ` Paolo Valente
2017-02-01 11:56   ` Paolo Valente
2017-02-02  5:20     ` Jens Axboe
2017-02-16 10:46   ` Paolo Valente
2017-02-16 15:35     ` Jens Axboe
2016-12-17  0:12 ` [PATCH 8/8] blk-mq-sched: allow setting of default " Jens Axboe
2016-12-19 11:32 ` [PATCHSET v4] blk-mq-scheduling framework Paolo Valente
2016-12-19 15:20   ` Jens Axboe
2016-12-19 15:33     ` Jens Axboe
2016-12-19 18:21     ` Paolo Valente
2016-12-19 21:05       ` Jens Axboe
2016-12-22 15:28         ` Paolo Valente
2017-01-17  2:47           ` Jens Axboe
2017-01-17 10:49             ` Paolo Valente
2017-01-18 16:14               ` Paolo Valente
2017-01-18 16:21                 ` Jens Axboe
2017-01-23 17:04                   ` Paolo Valente
2017-01-23 17:42                     ` Jens Axboe
2017-01-25  8:46                       ` Paolo Valente
2017-01-25 16:13                         ` Jens Axboe
2017-01-26 14:23                           ` Paolo Valente
2016-12-22 16:23 ` Bart Van Assche
2016-12-22 16:52   ` Omar Sandoval
2016-12-22 16:57     ` Bart Van Assche
2016-12-22 17:12       ` Omar Sandoval
2016-12-22 17:39         ` Bart Van Assche

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