From: Jeff Garzik <jeff@garzik.org>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: jaxboe@fusionio.com, James.Bottomley@hansenpartnership.com,
snitzer@redhat.com, vgoyal@redhat.com, michaelc@cs.wisc.edu,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH 5/7] scsi: Add a report opcode helper
Date: Thu, 01 Mar 2012 23:08:44 -0500 [thread overview]
Message-ID: <4F5047CC.2080002@garzik.org> (raw)
In-Reply-To: <1330658571-12958-6-git-send-email-martin.petersen@oracle.com>
On 03/01/2012 10:22 PM, Martin K. Petersen wrote:
> From: "Martin K. Petersen"<martin.petersen@oracle.com>
>
> The REPORT SUPPORTED OPERATION CODES command can be used to query
> whether a given opcode is supported by a device. Add a helper function
> that allows us to look up commands.
>
> We only issue RSOC if the device reports compliance with SPC-3 or
> later. But to err on the side of caution we disable the command for ATA,
> FireWire and USB.
>
> Signed-off-by: Martin K. Petersen<martin.petersen@oracle.com>
> Acked-by: Mike Snitzer<snitzer@redhat.com>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
(though implementing RSOC in simulator for ATA is still desired, as that
placeholder will be used in the future)
next prev parent reply other threads:[~2012-03-02 4:08 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-02 3:22 Write same support v3 Martin K. Petersen
2012-03-02 3:22 ` [PATCH 1/7] block: Clean up merge logic Martin K. Petersen
2012-03-02 20:21 ` Vivek Goyal
2012-03-06 17:42 ` Martin K. Petersen
2012-03-07 16:52 ` Vivek Goyal
2012-03-08 4:41 ` Martin K. Petersen
2012-03-02 21:36 ` Vivek Goyal
2012-03-06 17:43 ` Martin K. Petersen
2012-03-02 3:22 ` [PATCH 2/7] block: Implement support for WRITE SAME Martin K. Petersen
2012-03-02 22:08 ` Vivek Goyal
2012-03-06 17:54 ` Martin K. Petersen
2012-03-07 17:03 ` DISCARD/WRITE_SAME request accounting (Was: Re: [PATCH 2/7] block: Implement support for WRITE SAME) Vivek Goyal
2012-03-08 10:48 ` Lukas Czerner
2012-03-09 16:54 ` Vivek Goyal
2012-03-02 3:22 ` [PATCH 3/7] block: Make blkdev_issue_zeroout use WRITE SAME Martin K. Petersen
2012-03-09 18:05 ` Paolo Bonzini
2012-03-13 2:30 ` Martin K. Petersen
2012-03-02 3:22 ` [PATCH 4/7] block: ioctl to zero block ranges Martin K. Petersen
2012-03-02 3:22 ` [PATCH 5/7] scsi: Add a report opcode helper Martin K. Petersen
2012-03-02 4:08 ` Jeff Garzik [this message]
2012-03-02 3:22 ` [PATCH 6/7] sd: Implement support for WRITE SAME Martin K. Petersen
2012-03-05 15:07 ` Vivek Goyal
2012-03-06 17:58 ` Martin K. Petersen
2012-03-02 3:22 ` [PATCH 7/7] sd: Use sd_ prefix for flush and discard functions Martin K. Petersen
2012-03-02 14:24 ` [PATCH] dm kcopyd: add WRITE SAME support to dm_kcopyd_zero Mike Snitzer
-- strict thread matches above, loose matches on Subject: below --
2012-03-16 18:43 Write same support v4 Martin K. Petersen
2012-03-16 18:43 ` [PATCH 5/7] scsi: Add a report opcode helper Martin K. Petersen
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