linux-kernel - Re: [PATCH] aha152x: Clean up struct scsi

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Message-ID: <YhSYDC4YMEx0XCYY@infradead.org>
Date:   Tue, 22 Feb 2022 00:00:12 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Finn Thain <fthain@...ux-m68k.org>
Cc:     "Juergen E. Fischer" <fischer@...bit.de>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] aha152x: Clean up struct scsi_pointer usage

On Tue, Feb 22, 2022 at 10:09:42AM +1100, Finn Thain wrote:
> Bring aha152x into line with 10 other drivers which assign
> scsi_host_template.cmd_size = sizeof(struct scsi_pointer)
> and avoid the "struct foo { struct bar; };" silliness.
> 
> Remove a pointless scsi_pointer->have_data_in assignment.

I think this going in the wrong direction.  The scsi_pointer should
go away entirelym and the fields actually used by the driver should move
into the aha152x_cmd_priv structure instead.

Same for all other drivers still using the scsi_pointer.