Re: [PATCHv7 16/23] scsi_dh_alua: Recheck state on unit attention

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On 02/15/2016 12:24 AM, Hannes Reinecke wrote:
When we receive a unit attention code of 'ALUA state changed'
we should recheck the state, as it might be due to an implicit
ALUA state transition. This allows us to return NEEDS_RETRY
instead of ADD_TO_MLQUEUE, allowing to terminate the retries
after a certain time.
At the same time a workqueue item might already be queued, which
should be started immediately to avoid any delays.

Reviewed-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
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