From: Christoph Hellwig <hch@lst.de>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [RFC PATCH 0/6] SCSI series part 2, rewrite LUN parsing
Date: Wed, 25 May 2011 15:17:05 +0200 [thread overview]
Message-ID: <20110525131705.GD2283@lst.de> (raw)
In-Reply-To: <4DD6A6DA.6040808@redhat.com>
On Fri, May 20, 2011 at 07:37:30PM +0200, Paolo Bonzini wrote:
> On 05/20/2011 06:14 PM, Christoph Hellwig wrote:
>> I don't quite understand what you mean with path here. It doesn't
>> seem to map to any SAM concept, nor does it seem to be related
>> to traditional multipathing.
>
> It's what SAM calls a "bus identifier" in the description of LUN addressing
> modes.
Ok, so it more or less translates to the concept of a "channel" in
the Linux SCSI subsystem. It would help if you could explain the concept
in a bit more detail in a comment. Or in fact not bother with it at all,
which should be easy if we never present hierachial LUNs.
next prev parent reply other threads:[~2011-05-25 14:32 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-20 15:03 [Qemu-devel] [RFC PATCH 0/6] SCSI series part 2, rewrite LUN parsing Paolo Bonzini
2011-05-20 15:03 ` [Qemu-devel] [RFC PATCH 1/6] scsi: ignore LUN field in the CDB Paolo Bonzini
2011-05-20 16:15 ` Christoph Hellwig
2011-05-20 15:03 ` [Qemu-devel] [RFC PATCH 2/6] scsi: support parsing of SAM logical unit numbers Paolo Bonzini
2011-05-25 13:05 ` Christoph Hellwig
2011-05-20 15:03 ` [Qemu-devel] [RFC PATCH 3/6] scsi-generic: allow customization of the lun Paolo Bonzini
2011-05-25 13:10 ` Christoph Hellwig
2011-05-25 15:20 ` Paolo Bonzini
2011-05-27 13:04 ` Christoph Hellwig
2011-05-27 13:31 ` Paolo Bonzini
2011-05-20 15:03 ` [Qemu-devel] [RFC PATCH 4/6] scsi-disk: " Paolo Bonzini
2011-05-25 13:13 ` Christoph Hellwig
2011-05-20 15:03 ` [Qemu-devel] [RFC PATCH 5/6] scsi: let a SCSIDevice have children devices Paolo Bonzini
2011-05-20 15:03 ` [Qemu-devel] [RFC PATCH 6/6] scsi: add walking of hierarchical LUNs Paolo Bonzini
2011-05-20 16:14 ` [Qemu-devel] [RFC PATCH 0/6] SCSI series part 2, rewrite LUN parsing Christoph Hellwig
2011-05-20 17:37 ` Paolo Bonzini
2011-05-25 13:17 ` Christoph Hellwig [this message]
2011-05-25 15:08 ` Paolo Bonzini
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