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snic: Added additional stats

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Adding additional stats, and fixed logging messages.
- Added qdepth change stats
- Added separate isr stats for each type of interrupt
- Fixed race in updating active IOs
- Suppressed Link event message for DAS backend.

Signed-off-by: Narsimhulu Musini <nmusini@cisco.com>
Signed-off-by: Sesidhar Baddela <sebaddel@cisco.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Narsimhulu Musini
2016-03-17 00:51:10 -07:00
committed by Martin K. Petersen
parent 45cc807291
commit 3f5c11a463
6 changed files with 60 additions and 24 deletions
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8
drivers/scsi/snic/snic_ctl.c
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@@ -39,17 +39,15 @@ snic_handle_link(struct work_struct *work)
{
struct snic *snic = container_of(work, struct snic, link_work);
if (snic->config.xpt_type != SNIC_DAS) {
SNIC_HOST_INFO(snic->shost, "Link Event Received.\n");
SNIC_ASSERT_NOT_IMPL(1);
if (snic->config.xpt_type == SNIC_DAS)
return;
}
snic->link_status = svnic_dev_link_status(snic->vdev);
snic->link_down_cnt = svnic_dev_link_down_cnt(snic->vdev);
SNIC_HOST_INFO(snic->shost, "Link Event: Link %s.\n",
((snic->link_status) ? "Up" : "Down"));
SNIC_ASSERT_NOT_IMPL(1);
}