From: James Bottomley <James.Bottomley@steeleye.com>
To: Luben Tuikov <tluben@rogers.com>
Cc: Christoph Hellwig <hch@infradead.org>,
Mike Anderson <andmike@us.ibm.com>,
SCSI Mailing List <linux-scsi@vger.kernel.org>,
Alan Stern <stern@rowland.harvard.edu>
Subject: Re: [PATCH] make the SCSI mid-layer obey the device online flag
Date: 06 Jun 2003 11:39:44 -0400 [thread overview]
Message-ID: <1054913984.1778.31.camel@mulgrave> (raw)
In-Reply-To: <3EE0B316.4060207@rogers.com>
On Fri, 2003-06-06 at 11:28, Luben Tuikov wrote:
> James was talking about ``device server not ready'' aliased to
> online -- i.e. if online is 0 then only INQUIRY or TUR should
> be sent from SCSI Core (unless SCSI Core decides to _know_ about
> the different ULP). The semantics on this are somewhat touched
> in the INQUIRY description in SPC-3.
Actually, not just TUR and INQUIRY. Think about errors on removable
media: we offline the device because of them and now the user needs to
unlock the door and eject the cartridge...
Thus, we allow any special command because we assume it's part of error
handling (or post error clean up).
James
next prev parent reply other threads:[~2003-06-06 15:27 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-04 16:01 [PATCH] make the SCSI mid-layer obey the device online flag James Bottomley
2003-06-04 16:51 ` Mike Anderson
2003-06-04 19:14 ` James Bottomley
2003-06-05 0:34 ` Patrick Mansfield
2003-06-05 12:59 ` James Bottomley
2003-06-05 13:41 ` Alan Stern
2003-06-06 6:36 ` Christoph Hellwig
2003-06-06 15:19 ` James Bottomley
2003-06-06 15:51 ` Oliver Neukum
2003-06-06 16:02 ` Luben Tuikov
2003-06-06 15:28 ` Luben Tuikov
2003-06-06 15:39 ` James Bottomley [this message]
2003-06-06 15:52 ` Luben Tuikov
2003-06-06 16:04 ` James Bottomley
2003-06-06 20:51 ` Christoph Hellwig
2003-06-06 23:27 ` Luben Tuikov
2003-06-06 23:43 ` James Bottomley
2003-06-07 5:20 ` Luben Tuikov
2003-06-06 20:23 ` Mike Anderson
2003-06-06 20:52 ` Christoph Hellwig
2003-06-10 0:00 ` Mike Anderson
2003-06-06 20:49 ` Christoph Hellwig
2003-06-06 23:21 ` Luben Tuikov
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