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[SCSI] zfcp: Remove two FIXME comments

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On a link down, the adapter reopen is not strictly necessary, but it
helps flushing pending requests as quickly as possible. Add a comment
mentioning this.

qdio returning a problem on the response queue is an unlikely event.
The recovery mentioned in the comment might resolve it, so implement
it. This also has the advantage that it creates an entry in the
recovery trace to see if and when this is occurring.

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@suse.de>
This commit is contained in:
Christof Schmitt 2010-02-17 11:18:51 +01:00 committed by James Bottomley
parent b6bd2fb92a
commit 452b505c5a
2 changed files with 2 additions and 2 deletions
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2
drivers/s390/scsi/zfcp_fsf.c
View File

@ -394,7 +394,7 @@ static void zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *req)
case FSF_PROT_LINK_DOWN:
zfcp_fsf_link_down_info_eval(req, "fspse_5",
&psq->link_down_info);
/* FIXME: reopening adapter now? better wait for link up */
/* go through reopen to flush pending requests */
zfcp_erp_adapter_reopen(adapter, 0, "fspse_6", req);
break;
case FSF_PROT_REEST_QUEUE:

2
drivers/s390/scsi/zfcp_qdio.c
View File

@ -106,7 +106,7 @@ static void zfcp_qdio_resp_put_back(struct zfcp_qdio *qdio, int processed)
if (unlikely(retval)) {
atomic_set(&queue->count, count);
/* FIXME: Recover this with an adapter reopen? */
zfcp_erp_adapter_reopen(qdio->adapter, 0, "qdrpb_1", NULL);
} else {
queue->first += count;
queue->first %= QDIO_MAX_BUFFERS_PER_Q;