[PATCH 0/7] scsi_dh framework update

[Hannes Reinecke <hare@suse.de>]

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
-- 
Dr. Hannes Reinecke		      zSeries & Storage
hare@suse.de			      +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Markus Rex, HRB 16746 (AG Nürnberg)
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