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From: Bart Van Assche <bvanassche@acm.org>
To: Mike Christie <michael.christie@oracle.com>,
	hch@lst.de, martin.petersen@oracle.com,
	linux-scsi@vger.kernel.org,
	james.bottomley@hansenpartnership.com,
	linux-block@vger.kernel.org, dm-devel@redhat.com,
	snitzer@kernel.org, axboe@kernel.dk,
	linux-nvme@lists.infradead.org, chaitanyak@nvidia.com,
	kbusch@kernel.org, target-devel@vger.kernel.org
Subject: Re: [PATCH v3 04/19] scsi: Add support for block PR read keys/reservation
Date: Wed, 2 Nov 2022 15:54:57 -0700	[thread overview]
Message-ID: <1b4bde2b-782d-67c2-62c7-8f5c13721fa8@acm.org> (raw)
In-Reply-To: <20221026231945.6609-5-michael.christie@oracle.com>

On 10/26/22 16:19, Mike Christie wrote:
> +static inline enum pr_type scsi_pr_type_to_block(enum scsi_pr_type type)
> +{
> +	switch (type) {
> +	case SCSI_PR_WRITE_EXCLUSIVE:
> +		return PR_WRITE_EXCLUSIVE;
> +	case SCSI_PR_EXCLUSIVE_ACCESS:
> +		return PR_EXCLUSIVE_ACCESS;
> +	case SCSI_PR_WRITE_EXCLUSIVE_REG_ONLY:
> +		return PR_WRITE_EXCLUSIVE_REG_ONLY;
> +	case SCSI_PR_EXCLUSIVE_ACCESS_REG_ONLY:
> +		return PR_EXCLUSIVE_ACCESS_REG_ONLY;
> +	case SCSI_PR_WRITE_EXCLUSIVE_ALL_REGS:
> +		return PR_WRITE_EXCLUSIVE_ALL_REGS;
> +	case SCSI_PR_EXCLUSIVE_ACCESS_ALL_REGS:
> +		return PR_EXCLUSIVE_ACCESS_ALL_REGS;
> +	default:
> +		return 0;
> +	}
> +}

Also for this function, how about moving the "return 0" statement out of 
the switch statement?

Thanks,

Bart.


  parent reply	other threads:[~2022-11-02 22:55 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-26 23:19 [PATCH v3 00/19] Use block pr_ops in LIO Mike Christie
2022-10-26 23:19 ` [PATCH v3 01/19] block: Add PR callouts for read keys and reservation Mike Christie
2022-11-02 22:50   ` Bart Van Assche
2022-11-03  1:54     ` Mike Christie
2022-11-02 22:53   ` Bart Van Assche
2022-11-03  2:25     ` Mike Christie
2022-10-26 23:19 ` [PATCH v3 02/19] scsi: Rename sd_pr_command Mike Christie
2022-11-01  5:33   ` Chaitanya Kulkarni
2022-10-26 23:19 ` [PATCH v3 03/19] scsi: Move sd_pr_type to header to share Mike Christie
2022-11-01  5:43   ` Chaitanya Kulkarni
2022-11-01 16:43     ` Mike Christie
2022-11-02 22:47   ` Bart Van Assche
2022-11-03  2:13     ` Mike Christie
2022-11-03 18:14       ` Bart Van Assche
2022-10-26 23:19 ` [PATCH v3 04/19] scsi: Add support for block PR read keys/reservation Mike Christie
2022-11-01  5:45   ` Chaitanya Kulkarni
2022-11-02 22:54   ` Bart Van Assche [this message]
2022-10-26 23:19 ` [PATCH v3 05/19] dm: " Mike Christie
2022-10-26 23:19 ` [PATCH v3 06/19] nvme: Fix reservation status related structs Mike Christie
2022-10-27 17:04   ` Keith Busch
2022-10-26 23:19 ` [PATCH v3 07/19] nvme: Don't hardcode the data len for pr commands Mike Christie
2022-10-27 17:05   ` Keith Busch
2022-11-01  5:29   ` Chaitanya Kulkarni
2022-10-26 23:19 ` [PATCH v3 08/19] nvme: Move pr code to it's own file Mike Christie
2022-10-27 17:06   ` Keith Busch
2022-10-28 16:06     ` Mike Christie
2022-10-28 16:38       ` Keith Busch
2022-10-30  8:06         ` Christoph Hellwig
2022-11-01  5:25   ` Chaitanya Kulkarni
2022-10-26 23:19 ` [PATCH v3 09/19] nvme: Add pr_ops read_keys support Mike Christie
2022-10-30  8:17   ` Christoph Hellwig
2022-10-30 20:47     ` Mike Christie
2022-10-26 23:19 ` [PATCH v3 10/19] nvme: Move NVMe and Block PR types to an array Mike Christie
2022-10-27 15:18   ` Keith Busch
2022-10-27 17:06     ` Mike Christie
2022-10-27 17:13       ` michael.christie
2022-10-27 17:16         ` Keith Busch
2022-10-28 16:05           ` Mike Christie
2022-10-26 23:19 ` [PATCH v3 11/19] nvme: Add pr_ops read_reservation support Mike Christie
2022-10-30  8:18   ` Christoph Hellwig
2022-10-30 20:54     ` Mike Christie
2022-10-26 23:19 ` [PATCH v3 12/19] block,nvme,scsi,dm: Add blk_status to pr_ops callouts Mike Christie
2022-10-30  8:20   ` Christoph Hellwig
2022-10-30 23:05     ` Mike Christie
2022-11-01 10:15       ` Christoph Hellwig
2022-11-05 18:36         ` Mike Christie
2022-11-07  9:16           ` Christoph Hellwig
2022-10-26 23:19 ` [PATCH v3 13/19] nvme: Have NVMe pr_ops return a blk_status_t Mike Christie
2022-10-26 23:19 ` [PATCH v3 14/19] scsi: Export scsi_result_to_blk_status Mike Christie
2022-10-26 23:19 ` [PATCH v3 15/19] scsi: Have sd pr_ops return a blk_status_t Mike Christie
2022-10-26 23:19 ` [PATCH v3 16/19] scsi: target: Rename sbc_ops to exec_cmd_ops Mike Christie
2022-10-26 23:19 ` [PATCH v3 17/19] scsi: target: Allow backends to hook into PR handling Mike Christie
2022-10-26 23:19 ` [PATCH v3 18/19] scsi: target: Don't support SCSI-2 RESERVE/RELEASE Mike Christie
2022-10-26 23:19 ` [PATCH v3 19/19] scsi: target: Add block PR support to iblock Mike Christie

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