linux-kernel - Re: ata: HDIO_DRIVE_* ioctl() Linux 3.9 regression

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Date:	Wed, 03 Apr 2013 19:49:14 -0400
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Krzysztof Mazur <krzysiek@...lesie.net>
CC:	Ronald <ronald645@...il.com>, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org, gwendal@...gle.com,
	jgarzik@...hat.com
Subject: Re: ata: HDIO_DRIVE_* ioctl() Linux 3.9 regression

On 03/27/2013 08:51 AM, Krzysztof Mazur wrote:
> On Mon, Mar 25, 2013 at 06:26:50PM +0100, Ronald wrote:
>> In reply to [1]: I have the same issue. Git bisect took 50+ rebuilds xD
>>
>> Smartd does not work anymore since 84a9a8cd9 ([libata] Set proper SK
>> when CK_COND is set.).
>>
>> I hope I'm not stepping on anyone's toe's by chosing the same title.
>> I'm not subscribed to this list.
>>
>> Just wanted to add a 'me2'
>>
>> [1] http://www.spinics.net/lists/linux-ide/msg45268.html
>
> It seems that the SAM_STAT_CHECK_CONDITION is not cleared
> causing -EIO, because that patch modified sensebuf and
> the check for clearing SAM_STAT_CHECK_CONDITION is no longer valid.
>
> diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
> index 318b413..ff44787 100644
> --- a/drivers/ata/libata-scsi.c
> +++ b/drivers/ata/libata-scsi.c
> @@ -532,8 +532,8 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
>   			struct scsi_sense_hdr sshdr;
>   			scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE,
>   					     &sshdr);
> -			if (sshdr.sense_key == 0 &&
> -			    sshdr.asc == 0 && sshdr.ascq == 0)
> +			if (sshdr.sense_key == RECOVERED_ERROR &&
> +			    sshdr.asc == 0 && sshdr.ascq == 0x1d)
>   				cmd_result &= ~SAM_STAT_CHECK_CONDITION;
>   		}
>
> @@ -618,8 +618,8 @@ int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg)
>   			struct scsi_sense_hdr sshdr;
>   			scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE,
>   						&sshdr);
> -			if (sshdr.sense_key == 0 &&
> -				sshdr.asc == 0 && sshdr.ascq == 0)
> +			if (sshdr.sense_key == RECOVERED_ERROR &&
> +			    sshdr.asc == 0 && sshdr.ascq == 0x1d)
>   				cmd_result &= ~SAM_STAT_CHECK_CONDITION;

applied



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