On 1/18/22 05:02, Sven Hugi wrote:
> Hello
>
> I hope, that this is the correct mailinglist... if not, pls let me know...
>
> So, there is a problem with the samsung t5 and t7, those ssd's are
> just samsung 850 with an usb-c adapter.
Then the SSDs are likely seen as scsi devices rather than ATA ones,
through USB mass storage/UAS (USB attached SCSI). So the problem may
come from the USB-C adapter in the device, which would explain why the
changes you show below are ineffective.
See the output of:
scripts/get_maintainer.pl drivers/usb/storage/uas.c
to see who to contact about that problem.
> They should get added to the ata_device_blacklist in libata-core.c
> Those 4 lines should work in theory, but i was unable to test it,
> would be nice, if someone how knows what he is doing could do this.
>
> { "Samsung Portable SSD T5", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
> ATA_HORKAGE_ZERO_AFTER_TRIM, },
> { "Samsung Portable SSD T3", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
> ATA_HORKAGE_ZERO_AFTER_TRIM, },
>
> Sorry for my poor english
>
> I hope this helps somehow fix the problem.
>
> Best regards
>
--
Damien Le Moal
Western Digital Research
