From: sashiko-bot@kernel.org
To: "Mateusz Jończyk" <mat.jonczyk@o2.pl>
Cc: linux-usb@vger.kernel.org
Subject: Re: [PATCH] usb: uas: expose US_FL_NO_ATA_1X in sysfs as deny_ata_passthrough
Date: Sun, 15 Nov 2026 12:46:12 +0000 [thread overview]
Message-ID: <sashiko-outbox-215505@kernel.org> (raw)
In-Reply-To: <20261115124046.5286-1-mat.jonczyk@o2.pl>
> The uas driver blocks access to ATA passthrough commands for some
> devices it considers buggy (via the US_FL_NO_ATA_1X flag in
> unusual_uas.h and uas_detect.h). However, it does not expose any
> meaningful information whether the command was blocked by the driver or
> is genuinly not supported by the hardware. This creates a problem for
> the smartmontools program and makes it difficult for it to provide a
> useful error message (with instructions to disable UAS on the drive to
> get SMART readings).
>
> So, expose the information in sysfs as deny_ata_passthrough. Other
> quirks may be added in the future if there is any demand.
>
> Link: https://www.smartmontools.org/wiki/SAT-with-UAS-Linux
> Signed-off-by: Mateusz Jończyk <mat.jonczyk@o2.pl>
Sashiko has reviewed this patch and found no issues.
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261115124046.5286-1-mat.jonczyk@o2.pl?part=1
prev parent reply other threads:[~2026-11-15 12:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-15 12:40 [PATCH] usb: uas: expose US_FL_NO_ATA_1X in sysfs as deny_ata_passthrough Mateusz Jończyk
2026-11-15 12:46 ` sashiko-bot [this message]
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