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Petersen" Cc: Damien Le Moal , "linux-kernel@vger.kernel.org" , "hpa@redhat.com" , "linux-ide@vger.kernel.org" , "axboe@kernel.dk" , "hdegoede@redhat.com" Message-ID: <1789509750.63786.1630568657296@office.mailbox.org> In-Reply-To: References: <1876334901.51676.1630481868266@office.mailbox.org> <1e52352c-05e3-700a-58e7-462e1c0adbd1@mailbox.org> Subject: Re: [PATCH v4] libata: Add ATA_HORKAGE_NO_NCQ_ON_AMD for Samsung 860 and 870 SSD. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Priority: 3 Importance: Normal X-Rspamd-Queue-Id: EE3292A7 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Martin K. Petersen hat am 01.09.2021 20:58 geschrieben: > > > Tor, > > > Samsung 860 Pro: > > $ cat /sys/block/sda/device/queue_depth > > > > 32 > > > > Samsung 860 Evo: > > $ cat /sys/block/sdb/device/queue_depth > > > > 32 > > Please also provide the output of: > > # 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). > > -- > Martin K. Petersen Oracle Linux Engineering