From: Jens Axboe <axboe@kernel.dk>
To: Christoph Hellwig <hch@lst.de>,
Bart Van Assche <bart.vanassche@sandisk.com>
Cc: linux-block@vger.kernel.org, "Matias Bjørling" <m@bjorling.me>
Subject: Re: [PATCH 4/5] block: Inline blk_rq_set_prio()
Date: Wed, 19 Apr 2017 08:38:50 -0600 [thread overview]
Message-ID: <352b4d72-d6ed-692b-a3d9-a664f445ad76@kernel.dk> (raw)
In-Reply-To: <20170419062051.GD6412@lst.de>
On 04/19/2017 12:20 AM, Christoph Hellwig wrote:
>> + req->ioprio = ioprio_valid(bio_prio(bio)) ? bio_prio(bio) : ioc ?
>> + ioc->ioprio : IOPRIO_PRIO_VALUE(IOPRIO_CLASS_NONE, 0);
>
> I think this would be a tad cleaner with a traditional if / else if / else
> chain, e.g.
>
> if (ioprio_valid(bio_prio(bio)))
> req->ioprio = bio_prio(bio);
> else if (ioc)
> req->ioprio = ioc->ioprio;
> else
> req->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_NONE, 0);
Agree, I hate ternaries with a vengeance, and a doubly nested one is
almost a shooting offense.
Bart, care to respin with this fixed and the GPL export modification?
--
Jens Axboe
next prev parent reply other threads:[~2017-04-19 14:38 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-18 23:10 [PATCH 0/5] Reduce code duplication Bart Van Assche
2017-04-18 23:10 ` [PATCH 1/5] block: Export blk_init_request_from_bio() Bart Van Assche
2017-04-19 6:16 ` Christoph Hellwig
2017-04-18 23:10 ` [PATCH 2/5] null_blk: Use blk_init_request_from_bio() instead of open-coding it Bart Van Assche
2017-04-19 6:18 ` Christoph Hellwig
2017-04-18 23:10 ` [PATCH 3/5] lightnvm: " Bart Van Assche
2017-04-19 6:19 ` Christoph Hellwig
2017-04-18 23:10 ` [PATCH 4/5] block: Inline blk_rq_set_prio() Bart Van Assche
2017-04-19 6:20 ` Christoph Hellwig
2017-04-19 14:38 ` Jens Axboe [this message]
2017-04-19 15:54 ` Bart Van Assche
2017-04-18 23:10 ` [PATCH 5/5] block: Optimize ioprio_best() Bart Van Assche
2017-04-19 6:21 ` Christoph Hellwig
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