[dm-devel] directio path-checker for multipath-tools

[Hannes Reinecke]

Hi Christophe,

I've implemented yet another path checker, based on O_DIRECT.
Rationale: On S/390 it's possible to activate multipath support for DASD
devices (called Parallel Access Volume (PAV)). As these are no SCSI
devices the readsector0 path checker wouldn't work.
And as this checker is quite generic it'll work for just about anybody.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke			hare at suse.de
SuSE Linux Products GmbH		S390 & zSeries
Maxfeldstraße 5				+49 911 74053 688
90409 Nürnberg				http://www.suse.de
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