linux-kernel - Re: [PATCH v4] libata: Add ATA_HORKAGE_NO_NCQ_ON

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Message-ID: <yq1mtou4y8v.fsf@ca-mkp.ca.oracle.com>
Date:   Thu, 02 Sep 2021 14:41:10 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     torvic9@...lbox.org
Cc:     "Martin K. Petersen" <martin.petersen@...cle.com>,
        Damien Le Moal <Damien.LeMoal@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "hpa@...hat.com" <hpa@...hat.com>,
        "linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>,
        "axboe@...nel.dk" <axboe@...nel.dk>,
        "hdegoede@...hat.com" <hdegoede@...hat.com>
Subject: Re: [PATCH v4] libata: Add ATA_HORKAGE_NO_NCQ_ON_AMD for Samsung
 860 and 870 SSD.


Tor,

>> # grep . /sys/class/ata_device/dev*/trim
>
>   /sys/class/ata_device/dev1.0/trim:unsupported
>   /sys/class/ata_device/dev2.0/trim:unsupported
>   /sys/class/ata_device/dev3.0/trim:queued
>   /sys/class/ata_device/dev4.0/trim:queued
>   /sys/class/ata_device/dev5.0/trim:unsupported
>
> According to the symlinks in /dev/disk/by-path,
> 3.0 corresponds to /dev/sda (860 Pro) and
> 4.0 corresponds to /dev/sdb (860 Evo).

Good data! Thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering