linux-kernel - Re: [PATCH 18/21] scsi: sd: Support reading atomic properties from block limits VPD

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Message-ID: <yq11qe7qptg.fsf@ca-mkp.ca.oracle.com>
Date:   Fri, 06 Oct 2023 19:48:53 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Bart Van Assche <bvanassche@....org>
Cc:     John Garry <john.g.garry@...cle.com>, axboe@...nel.dk,
        kbusch@...nel.org, hch@....de, sagi@...mberg.me,
        jejb@...ux.ibm.com, martin.petersen@...cle.com, djwong@...nel.org,
        viro@...iv.linux.org.uk, brauner@...nel.org,
        chandan.babu@...cle.com, dchinner@...hat.com,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-nvme@...ts.infradead.org, linux-xfs@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, tytso@....edu, jbongio@...gle.com,
        linux-api@...r.kernel.org
Subject: Re: [PATCH 18/21] scsi: sd: Support reading atomic properties from
 block limits VPD


Bart,

> I think the above means that it is wrong to round down the ATOMIC
> TRANSFER LENGTH GRANULARITY or the ATOMIC BOUNDARY values.

It was a deliberate design choice to facilitate supporting MAM. John
will look into relaxing the constraints.

-- 
Martin K. Petersen	Oracle Linux Engineering