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scsi: fnic: Adding Check Condition counter to misc fnicstats 

Just a simple counter of number of check conditions encountered on that
host.

Signed-off-by: Satish Kharat <satishkh@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:
Satish Kharat 2017-02-28 16:15:44 -08:00 committed by Martin K. Petersen
parent b9202b4ae8
commit 39fcbbc01b
3 changed files with 6 additions and 0 deletions
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3
drivers/scsi/fnic/fnic_scsi.c
View File

@ -915,6 +915,9 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
if (icmnd_cmpl->flags & FCPIO_ICMND_CMPL_RESID_UNDER)
xfer_len -= icmnd_cmpl->residual;
if (icmnd_cmpl->scsi_status == SAM_STAT_CHECK_CONDITION)
atomic64_inc(&fnic_stats->misc_stats.check_condition);
if (icmnd_cmpl->scsi_status == SAM_STAT_TASK_SET_FULL)
atomic64_inc(&fnic_stats->misc_stats.queue_fulls);
break;

1
drivers/scsi/fnic/fnic_stats.h
View File

@ -88,6 +88,7 @@ struct misc_stats {
atomic64_t devrst_cpwq_alloc_failures;
atomic64_t io_cpwq_alloc_failures;
atomic64_t no_icmnd_itmf_cmpls;
atomic64_t check_condition;
atomic64_t queue_fulls;
atomic64_t rport_not_ready;
atomic64_t frame_errors;

2
drivers/scsi/fnic/fnic_trace.c
View File

@ -357,6 +357,7 @@ int fnic_get_stats_data(struct stats_debug_info *debug,
"Number of Copy WQ Alloc Failures for Device Reset: %lld\n"
"Number of Copy WQ Alloc Failures for IOs: %lld\n"
"Number of no icmnd itmf Completions: %lld\n"
"Number of Check Conditions encountered: %lld\n"
"Number of QUEUE Fulls: %lld\n"
"Number of rport not ready: %lld\n"
"Number of receive frame errors: %lld\n",
@ -377,6 +378,7 @@ int fnic_get_stats_data(struct stats_debug_info *debug,
&stats->misc_stats.devrst_cpwq_alloc_failures),
(u64)atomic64_read(&stats->misc_stats.io_cpwq_alloc_failures),
(u64)atomic64_read(&stats->misc_stats.no_icmnd_itmf_cmpls),
(u64)atomic64_read(&stats->misc_stats.check_condition),
(u64)atomic64_read(&stats->misc_stats.queue_fulls),
(u64)atomic64_read(&stats->misc_stats.rport_not_ready),
(u64)atomic64_read(&stats->misc_stats.frame_errors));