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From: Christoph Hellwig <hch@infradead.org>
To: Richard Weinberger <richard@nod.at>
Cc: dedekind1@gmail.com, dwmw2@infradead.org,
	computersforpeace@gmail.com, linux-mtd@lists.infradead.org,
	linux-kernel@vger.kernel.org, hch@infradead.org, axboe@fb.com,
	tom.leiming@gmail.com
Subject: Re: [PATCH 2/2 v2] UBI: Block: Add blk-mq support
Date: Tue, 13 Jan 2015 08:25:53 -0800	[thread overview]
Message-ID: <20150113162553.GA24351@infradead.org> (raw)
In-Reply-To: <1420926734-16417-2-git-send-email-richard@nod.at>

> +	struct ubi_sgl usgl;

Btw, what's in struct ubi_sgl?  Can't find that in my tree.

> +static void ubiblock_do_work(struct work_struct *work)
> +{
> +	int ret;
> +	struct ubiblock_pdu *pdu = container_of(work, struct ubiblock_pdu, work);
> +	struct request *req = blk_mq_rq_from_pdu(pdu);
> +
> +	blk_mq_start_request(req);
> +	blk_rq_map_sg(req->q, req, pdu->usgl.sg);

blk_rq_map_sg returns the number of entries actually mapped, which
might be smaller than the number passed in due to merging.


  reply	other threads:[~2015-01-13 16:25 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-10 21:52 [PATCH 1/2 v2] UBI: Add initial support for scatter gather Richard Weinberger
2015-01-10 21:52 ` [PATCH 2/2 v2] UBI: Block: Add blk-mq support Richard Weinberger
2015-01-13 16:25   ` Christoph Hellwig [this message]
2015-01-13 22:51     ` Richard Weinberger
2015-01-13 22:54       ` Jens Axboe
2015-01-13 23:17         ` Richard Weinberger
2015-01-13 23:30           ` Jens Axboe
2015-01-13 23:36             ` Richard Weinberger
2015-01-14  0:23               ` Jens Axboe
2015-01-14  8:39                 ` Richard Weinberger
2015-01-26 23:55                   ` Richard Weinberger
2015-01-27  4:03                     ` Jens Axboe
2015-01-27 23:37   ` Ezequiel Garcia
2015-01-26 23:53 ` [PATCH 1/2 v2] UBI: Add initial support for scatter gather Richard Weinberger
2015-01-27 23:36 ` Ezequiel Garcia
2015-01-27 23:46   ` Richard Weinberger

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