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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: John Garry <john.garry@huawei.com>,
	Christoph Hellwig <hch@infradead.org>
Cc: "Ewan D. Milne" <emilne@redhat.com>,
	"James E.J. Bottomley" <jejb@linux.ibm.com>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Avri Altman <avri.altman@wdc.com>,
	Doug Gilbert <dgilbert@interlog.com>,
	linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
	james.smart@broadcom.com
Subject: Re: [PATCH 1/4] scsi: core: constify pointer to scsi_host_template
Date: Mon, 25 Apr 2022 11:22:48 +0200	[thread overview]
Message-ID: <24bfb681-faec-3567-3089-9cd5ee182710@linaro.org> (raw)
In-Reply-To: <d09faf74-a52e-8d93-cf26-08b43b12c564@huawei.com>

On 25/04/2022 10:58, John Garry wrote:
> On 20/04/2022 08:03, Christoph Hellwig wrote:
>>> The standard flow is:
>>>
>>> shost = scsi_host_alloc(sht, )
>>>
>>> // modify shost, like
>>> shost->cmd_per_lun = 5;
>>>
>>> scsi_add_host(shost)
>>>
>>> Is there some reason for which those two drivers can't follow that?
>> I think they should.  Method tables should not be mutable data.
>> .
> 
> Hi Krzysztof,
> 
> Do you have any interest in going further with your work and trying to 
> change all SCSI driver instances of scsi_host_template to be const? I am 
> not sure if it has been attempted before...

I can work on this, but what about the SCSI core modifying the template?
For example scsi_proc_hostdir_rm(): 'present' and 'proc_dir' members.
Where should they be stored? Should they be moved to the Scsi_Host?


Best regards,
Krzysztof

  reply	other threads:[~2022-04-25  9:22 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-08 10:30 [PATCH 1/4] scsi: core: constify pointer to scsi_host_template Krzysztof Kozlowski
2022-04-08 10:30 ` [PATCH 2/4] scsi: core: fix white-spaces Krzysztof Kozlowski
2022-05-04  8:47   ` Krzysztof Kozlowski
2022-04-08 10:30 ` [PATCH 3/4] scsi: ufs: ufshcd-pltfrm: constify pointed data Krzysztof Kozlowski
2022-04-08 10:30 ` [PATCH 4/4] scsi: ufs: ufshcd: " Krzysztof Kozlowski
2022-04-08 14:35   ` Bart Van Assche
2022-04-08 12:14 ` [PATCH 1/4] scsi: core: constify pointer to scsi_host_template John Garry
2022-04-08 12:32   ` Krzysztof Kozlowski
2022-04-08 12:57     ` John Garry
2022-04-08 19:31       ` Ewan D. Milne
2022-04-12  7:57         ` John Garry
2022-04-20  7:03           ` Christoph Hellwig
2022-04-25  8:58             ` John Garry
2022-04-25  9:22               ` Krzysztof Kozlowski [this message]
2022-04-25 13:04                 ` John Garry
2022-04-26  1:16                   ` Bart Van Assche
2022-04-26  1:54                     ` Douglas Gilbert
2022-04-26  4:13                       ` Bart Van Assche
2022-04-27  1:47                         ` Douglas Gilbert
2022-05-06 16:42                   ` Krzysztof Kozlowski
2022-05-09 11:28                     ` John Garry
2022-05-09 13:20                       ` Krzysztof Kozlowski
2022-05-09 14:50                         ` John Garry
2022-05-11  8:31                           ` Christoph Hellwig

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