From: Christoph Hellwig <hch@infradead.org>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org
Subject: Re: [PATCH 02/11] block: add queue_is_mq() helper
Date: Wed, 14 Nov 2018 07:23:54 -0800 [thread overview]
Message-ID: <20181114152354.GD22186@infradead.org> (raw)
In-Reply-To: <20181113154233.15256-3-axboe@kernel.dk>
On Tue, Nov 13, 2018 at 08:42:24AM -0700, Jens Axboe wrote:
> Various spots check for q->mq_ops being non-NULL, but provide
> a helper to do this instead.
>
> Where the ->mq_ops != NULL check is redundant, remove it.
With the legacy request path gone this isn't really any different from
queue_is_rq_based. So either switch everyone to queue_is_rq_based,
or switch all queue_is_rq_based users to queue_is_mq as well and
delete it.
next prev parent reply other threads:[~2018-11-14 15:23 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-13 15:42 [PATCHSET v2 0/11] Various block optimizations Jens Axboe
2018-11-13 15:42 ` [PATCH 01/11] nvme: don't disable local ints for polled queue Jens Axboe
2018-11-13 15:42 ` [PATCH 02/11] block: add queue_is_mq() helper Jens Axboe
2018-11-14 15:23 ` Christoph Hellwig [this message]
2018-11-13 15:42 ` [PATCH 03/11] blk-mq: embed blk_mq_ops directly in the request queue Jens Axboe
2018-11-13 15:42 ` [PATCH 04/11] blk-rq-qos: inline check for q->rq_qos functions Jens Axboe
2018-11-13 15:42 ` [PATCH 05/11] block: avoid ordered task state change for polled IO Jens Axboe
2018-11-14 2:29 ` jianchao.wang
2018-11-14 2:35 ` Jens Axboe
2018-11-13 15:42 ` [PATCH 06/11] block: add polled wakeup task helper Jens Axboe
2018-11-13 15:52 ` Keith Busch
2018-11-13 15:58 ` Jens Axboe
2018-11-13 16:59 ` Jens Axboe
2018-11-13 15:42 ` [PATCH 07/11] block: have ->poll_fn() return number of entries polled Jens Axboe
2018-11-13 15:42 ` [PATCH 08/11] blk-mq: when polling for IO, look for any completion Jens Axboe
2018-11-13 15:42 ` [PATCH 09/11] block: make blk_poll() take a parameter on whether to spin or not Jens Axboe
2018-11-13 15:42 ` [PATCH 10/11] block: for async O_DIRECT, mark us as polling if asked to Jens Axboe
2018-11-13 15:42 ` [PATCH 11/11] block: don't plug for aio/O_DIRECT HIPRI IO Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2018-11-15 19:51 [PATCHSET v2 0/11] Various block optimizations Jens Axboe
2018-11-15 19:51 ` [PATCH 02/11] block: add queue_is_mq() helper Jens Axboe
2018-11-16 8:35 ` Christoph Hellwig
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