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Go Back   Linux Archive > Redhat > Device-mapper Development

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Old 05-15-2008, 02:45 AM
Chandra Seetharaman
Default scsi_dh framework update

Hi Hannes,

Thanks for the clean up and the new features. I have reviewed the code
but hasn't tested it. Comments follow.

BTW, checkpatch.pl generates warnings for patches 1 thru 5.


On Wed, 2008-05-14 at 16:42 +0200, Hannes Reinecke wrote:
> Hi James,
> this is a repost of my patchset to update the scsi_dh infrastructure.
> It's based on the current scsi-misc tree.
> Main features of the patchset are:
> - Use a single callback for the notifier chain
> - Merge all device maps into a single list,
> which will be scanned by a generic function
> - Add a sysfs attribute 'dh_state' for each sdev
> - Add a generic SPC-3 ALUA device handler
> - Update device handlers to check if the
> device actually supports this handler.
> When attaching manually we are able to attach
> to basically any device, so we have to make sure
> that the device handler is actually supported.
> - Manually attach a device when a hardware handler
> is specified; this allows multipath to override
> the built-in hardware table.
> As per usual, comment etc are welcome.
> Cheers,
> Hannes

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