linux-kernel - Re: [PATCH v2] Revert "scsi: libsas: Fix exp-attached device scan after probe failure scanned in again after probe failed"

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Message-ID: <0040f262-b820-4f6f-909b-a10b5b878a3d@oracle.com>
Date: Tue, 2 Dec 2025 13:12:02 +0000
From: John Garry <john.g.garry@...cle.com>
To: Xingui Yang <yangxingui@...wei.com>, yanaijie@...wei.com,
        jejb@...ux.ibm.com, martin.petersen@...cle.com
Cc: linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        linuxarm@...wei.com, liyihang9@...artners.com, liuyonglong@...wei.com,
        kangfenglong@...wei.com
Subject: Re: [PATCH v2] Revert "scsi: libsas: Fix exp-attached device scan
 after probe failure scanned in again after probe failed"

On 02/12/2025 06:56, Xingui Yang wrote:
> This reverts commit ab2068a6fb84751836a84c26ca72b3beb349619d.
> 
> When probing the exp-attached sata device, libsas/libata will issue a hard
> reset in sas_probe_sata() -> ata_sas_async_probe(), then a broadcast event
> will be received after the disk probe fails, and this commit causes the
> probe will be re-executed on the disk, and a faulty disk may get into an
> indefinite loop of probe.
> 
> Therefore, revert this commit, although it can fix some temporary issues
> with disk probe failure.
> 
> Signed-off-by: Xingui Yang <yangxingui@...wei.com>
> Reviewed-by: Jason Yan <yanaijie@...wei.com>

Reviewed-by: John Garry <john.g.garry@...cle.com>