Re: [PATCH v4] libata: Add ATA_HORKAGE_NO_NCQ_ON_AMD for Samsung 860 and 870 SSD.

torvic9
2021-09-02T07:44:25Z

> Martin K. Petersen <martin.petersen@oracle.com> 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