linux-kernel - Re: [PATCH] scsi: core: Add BLIST_NO_ASK_VPD

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Message-ID: <yq1edq1o7dw.fsf@ca-mkp.ca.oracle.com>
Date:   Mon, 06 Mar 2023 17:14:45 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Lee Duncan <leeman.duncan@...il.com>
Cc:     Linux regressions mailing list <regressions@...ts.linux.dev>,
        "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,
        Lee Duncan <lduncan@...e.com>, Martin Wilck <mwilck@...e.com>,
        Hannes Reinecke <hare@...e.de>,
        Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Subject: Re: [PATCH] scsi: core: Add BLIST_NO_ASK_VPD_SIZE for some VDASD


Lee,

> I know you had reservations about this approach, but the fact that
> another case has shown up where this patch helps means this isn’t just
> a one-off problem.
>
> I know the alternative was to have the code that reads mode pages just
> automatically handle all cases where the size was returned to zero,
> but I really prefer specifically listing “offending” hardware, rather
> than automatically covering for it.

I'm not particularly keen on either approach. But I'll take another look
today...

-- 
Martin K. Petersen	Oracle Linux Engineering