[SCSI] zfcp: Fix erp escalation procedure
If an action fails, retry it until the erp count exceeds the threshold. If there is something fundamentally wrong, the FSF layer will trigger a more appropriate action depending on the FSF status codes. The followup for successful actions is a different followup than retrying failed actions, so split the code two functions to make this clear. Reviewed-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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