Re: [patch 4/6] ps3: Disk Storage Driver
From: Christoph Hellwig <hch@lst.de>
Date: 2007-06-19 08:16:39
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linux-scsi, lkml
On Mon, Jun 18, 2007 at 11:07:31PM -0700, David Miller wrote:
The main disk I/O block read and write is done using descriptors sent to the disk server. SCSI pass-through is provided (optionally) so that disk analysis tools can do things like MODE_SENSE on the disk.
SG_IO can easily be implemented for block devices. See cciss in current mainline for an example.