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[SCSI] fc class: Add support for new transport errors

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If the target is blocked and fast io fail tmo has not fired
then we requeue with DID_TRANSPORT_DISRUPTED. Once that
tmo fires we fail with DID_TRANSPORT_FAILFAST.

v2
- seperate from
"fc class: unblock target after calling terminate callback"
to make it easier to review.
- Add JamesS's ack from list.
v2
- initial patch

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Acked-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Mike Christie 2008-08-19 18:45:27 -05:00 committed by James Bottomley
parent 56d7fcfa81
commit f46e307da9
1 changed files with 3 additions and 3 deletions
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6
include/scsi/scsi_transport_fc.h
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@ -679,15 +679,15 @@ fc_remote_port_chkready(struct fc_rport *rport)
if (rport->roles & FC_PORT_ROLE_FCP_TARGET)
result = 0;
else if (rport->flags & FC_RPORT_DEVLOSS_PENDING)
result = DID_IMM_RETRY << 16;
result = DID_TRANSPORT_DISRUPTED << 16;
else
result = DID_NO_CONNECT << 16;
break;
case FC_PORTSTATE_BLOCKED:
if (rport->flags & FC_RPORT_FAST_FAIL_TIMEDOUT)
result = DID_NO_CONNECT << 16;
result = DID_TRANSPORT_FAILFAST << 16;
else
result = DID_IMM_RETRY << 16;
result = DID_TRANSPORT_DISRUPTED << 16;
break;
default:
result = DID_NO_CONNECT << 16;