From 939c2288c35132fe340b2694c7d02cacf7593723 Mon Sep 17 00:00:00 2001
From: Mike Christie <mchristi@redhat.com>
Date: Tue, 4 Nov 2008 19:47:19 -0600
Subject: [PATCH] [SCSI] scsi_error regression: Fix idempotent command handling

Drivers want to be able to return DID_TRANSPORT_DISRUPTED and
have it do the right thing for commands like tape and passthrouh
as far as retries go. The LLDs previously used DID_BUS_BUSY or DID_ERROR
which followed the cmd->retries limit, but DID_TRANSPORT_DISRUPTED
was skipping that check so it could have caused a problem with tape
commands.

This patch has DID_TRANSPORT_DISRUPTED check the cmd->retries/cmd->allowed.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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