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From: Bart Van Assche <bvanassche@acm.org>
To: Jack Wang <jinpuwang@gmail.com>,
	linux-block@vger.kernel.org, linux-rdma@vger.kernel.org
Cc: axboe@kernel.dk, hch@infradead.org, sagi@grimberg.me,
	leon@kernel.org, dledford@redhat.com,
	danil.kipnis@cloud.ionos.com, jinpu.wang@cloud.ionos.com,
	rpenyaev@suse.de
Subject: Re: [PATCH v6 16/25] rnbd: client: private header with client structs and functions
Date: Thu, 2 Jan 2020 14:37:26 -0800
Message-ID: <23dc5d7a-06e1-7ce4-3ab6-20cb6f49987a@acm.org> (raw)
In-Reply-To: <20191230102942.18395-17-jinpuwang@gmail.com>

On 12/30/19 2:29 AM, Jack Wang wrote:
> +struct rnbd_iu {
> +	union {
> +		struct request *rq; /* for block io */
> +		void *buf; /* for user messages */
> +	};
> +	struct rtrs_permit	*permit;
> +	union {
> +		/* use to send msg associated with a dev */
> +		struct rnbd_clt_dev *dev;
> +		/* use to send msg associated with a sess */
> +		struct rnbd_clt_session *sess;
> +	};
> +	blk_status_t		status;
> +	struct scatterlist	sglist[BMAX_SEGMENTS];
> +	struct work_struct	work;
> +	int			errno;
> +	struct rnbd_iu_comp	comp;
> +	atomic_t		refcount;
> +};

This data structure includes both a blk_status_t and an errno value. Can 
these two members be combined into a single member?

Thanks,

Bart.

  reply index

Thread overview: 89+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-30 10:29 [PATCH v6 00/25] RTRS (former IBTRS) rdma transport library and RNBD (former IBNBD) rdma network block device Jack Wang
2019-12-30 10:29 ` [PATCH v6 01/25] sysfs: export sysfs_remove_file_self() Jack Wang
2019-12-30 10:29 ` [PATCH v6 02/25] rtrs: public interface header to establish RDMA connections Jack Wang
2019-12-30 19:25   ` Bart Van Assche
2020-01-02 13:35     ` Jinpu Wang
2020-01-02 16:36       ` Bart Van Assche
2020-01-02 16:47         ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 03/25] rtrs: private headers with rtrs protocol structs and helpers Jack Wang
2019-12-30 19:48   ` Bart Van Assche
2020-01-02 15:27     ` Jinpu Wang
2020-01-02 17:00       ` Bart Van Assche
2020-01-02 18:26         ` Jason Gunthorpe
2020-01-03 12:31           ` Jinpu Wang
2020-01-03 12:27         ` Jinpu Wang
2019-12-31  0:07   ` Bart Van Assche
2020-01-03 13:48     ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 04/25] rtrs: core: lib functions shared between client and server modules Jack Wang
2019-12-30 22:25   ` Bart Van Assche
2020-01-07 12:22     ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 05/25] rtrs: client: private header with client structs and functions Jack Wang
2019-12-30 22:51   ` Bart Van Assche
2020-01-07 12:39     ` Jinpu Wang
2019-12-30 23:03   ` Bart Van Assche
2020-01-07 12:39     ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 06/25] rtrs: client: main functionality Jack Wang
2019-12-30 23:53   ` Bart Van Assche
2020-01-02 18:23     ` Jason Gunthorpe
2020-01-03 14:30     ` Jinpu Wang
2020-01-03 16:12       ` Bart Van Assche
2019-12-30 10:29 ` [PATCH v6 07/25] rtrs: client: statistics functions Jack Wang
2020-01-02 21:07   ` Bart Van Assche
2020-01-03 14:39     ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 08/25] rtrs: client: sysfs interface functions Jack Wang
2020-01-02 21:14   ` Bart Van Assche
2020-01-03 14:59     ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 09/25] rtrs: server: private header with server structs and functions Jack Wang
2020-01-02 21:24   ` Bart Van Assche
2020-01-08 16:33     ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 10/25] rtrs: server: main functionality Jack Wang
2020-01-02 22:03   ` Bart Van Assche
2020-01-07 13:19     ` Jinpu Wang
2020-01-07 18:25       ` Jason Gunthorpe
2020-01-10 17:38         ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 11/25] rtrs: server: statistics functions Jack Wang
2020-01-02 22:02   ` Bart Van Assche
2020-01-08 12:55     ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 12/25] rtrs: server: sysfs interface functions Jack Wang
2020-01-02 22:06   ` Bart Van Assche
2020-01-07 14:40     ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 13/25] rtrs: include client and server modules into kernel compilation Jack Wang
2020-01-02 22:11   ` Bart Van Assche
2020-01-03 16:19     ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 14/25] rtrs: a bit of documentation Jack Wang
2019-12-30 23:19   ` Bart Van Assche
2020-01-07 14:48     ` Jinpu Wang
2020-01-02 22:21   ` Bart Van Assche
2020-01-07 15:49     ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 15/25] rnbd: private headers with rnbd protocol structs and helpers Jack Wang
2020-01-02 22:34   ` Bart Van Assche
2020-01-07 16:53     ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 16/25] rnbd: client: private header with client structs and functions Jack Wang
2020-01-02 22:37   ` Bart Van Assche [this message]
2020-01-07 17:09     ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 17/25] rnbd: client: main functionality Jack Wang
2020-01-02 23:55   ` Bart Van Assche
2020-01-08 14:22     ` Jinpu Wang
2020-01-10 14:45     ` Jinpu Wang
2020-01-10 15:09       ` Roman Penyaev
2020-01-10 15:29         ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 18/25] rnbd: client: sysfs interface functions Jack Wang
2020-01-03  0:03   ` Bart Van Assche
2020-01-08 13:06     ` Jinpu Wang
2020-01-08 16:39       ` Bart Van Assche
2020-01-08 16:51         ` Jinpu Wang
2019-12-30 10:29 ` [PATCH v6 19/25] rnbd: server: private header with server structs and functions Jack Wang
2019-12-30 10:29 ` [PATCH v6 20/25] rnbd: server: main functionality Jack Wang
2019-12-30 10:29 ` [PATCH v6 21/25] rnbd: server: functionality for IO submission to file or block dev Jack Wang
2019-12-30 10:29 ` [PATCH v6 22/25] rnbd: server: sysfs interface functions Jack Wang
2019-12-30 10:29 ` [PATCH v6 23/25] rnbd: include client and server modules into kernel compilation Jack Wang
2019-12-30 10:29 ` [PATCH v6 24/25] rnbd: a bit of documentation Jack Wang
2019-12-30 10:29 ` [PATCH v6 25/25] MAINTAINERS: Add maintainers for RNBD/RTRS modules Jack Wang
2019-12-30 12:22   ` Gal Pressman
2020-01-02  8:41     ` Jinpu Wang
2019-12-31  0:11 ` [PATCH v6 00/25] RTRS (former IBTRS) rdma transport library and RNBD (former IBNBD) rdma network block device Bart Van Assche
2020-01-02  8:48   ` Jinpu Wang
2019-12-31  2:39 ` Bart Van Assche
2020-01-02  9:20   ` Jinpu Wang
2020-01-02 18:28   ` Jason Gunthorpe
2020-01-03 12:34     ` Jinpu Wang

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