scsi_dh framework update take #2
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- v1 Latest7 patches 7 repliesIn review
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| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/7 | scsi_dh: Implement common device table handlingdrivers/ drivers/ drivers/ +2 more | +294 | 2 replies | |
| 2/7 | scsi_dh: Add 'dh_state' sysfs attributedrivers/ | +105 | 2 replies | |
| 3/7 | scsi_dh: add generic SPC-3 alua handlerdrivers/ drivers/ drivers/ +2 more | +815 | 0 replies | |
| 4/7 | scsi_dh: Update EMC handlerdrivers/ | +368 | 0 replies | |
| 5/7 | scsi_dh: Update hp_sw hardware handlerdrivers/ | +231 | 0 replies | |
| 6/7 | scsi_dh: Update RDAC device handlerdrivers/ | +91 | 1 reply | |
| 7/7 | scsi_dh: attach to hardware handler from dm-mpathdrivers/ drivers/ include/ | +89 | 1 reply |
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Cover letter [PATCH 0/7] scsi_dh framework update take #2
Hi James,
this is the second repost of my patchset to update the scsi_dh infrastructure. It includes the comments by Chandra.
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.
- Update dm-multipath to explicitly attach to the specified device handler. This allows overriding of the built-in table by the multipath values.
As per usual, comment etc are welcome.
Cheers,
Hannes
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Dr. Hannes Reinecke zSeries & Storage [email protected] +49 911 74053 688 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Markus Rex, HRB 16746 (AG Nürnberg) -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html