Tejun Heo wrote:
Mark Lord wrote:
Tejun Heo wrote:
* _All_ errors are handled in EH thread.
* Once any error has occurred, all normal processing stops until
error condition is cleared by EH.
Do you mean "all normal processing" for that channel stops,
or *ALL* processing on all libata channels stops?
Obviously the former, I presume.
Cheers
Yeah, the former of course. ;-) Error state is indicated by one of
the followings.
^ following ata per-port flags.
* ATA_FLAG_ERROR : one or more errors have occurred and EH is
scheduled to run.
^ on the ata port
* ATA_FLAG_RECOVERY : EH in progress
^ on the ata port
When either of above flags is set, only commands w/ ATA_QCFLAG_PREEMPT
flag set gets to run and complete. So, currently, sense requesting and
^ on the ata port
NCQ log page reading are done w/ the flag set.
Just to be clearer. ;-)
--
tejun
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