linux-kernel - Re: [PATCH v3] scsi: sd: fix sd shutdown to issue START STOP UNIT command appropriately

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Message-ID: <yq1a54spghg.fsf@ca-mkp.ca.oracle.com>
Date: Fri, 25 Jul 2025 09:06:29 -0400
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: Salomon Dushimirimana <salomondush@...gle.com>
Cc: James.Bottomley@...senpartnership.com, bvanassche@....org,
        dlemoal@...nel.org, ipylypiv@...gle.com, linux-kernel@...r.kernel.org,
        linux-scsi@...r.kernel.org, martin.petersen@...cle.com,
        vishakhavc@...gle.com
Subject: Re: [PATCH v3] scsi: sd: fix sd shutdown to issue START STOP UNIT
 command appropriately


Salomon,

> Commit aa3998dbeb3a ("ata: libata-scsi: Disable scsi device
> manage_system_start_stop") enabled libata EH to manage device power
> mode trasitions for system suspend/resume and removed the flag from
> ata_scsi_dev_config. However, since the sd_shutdown() function still
> relies on the manage_system_start_stop flag, a spin-down command is
> not issued to the disk with command "echo 1 >
> /sys/block/sdb/device/delete"

Applied to 6.17/scsi-staging, thanks!

-- 
Martin K. Petersen