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| author | Vasu Dev <vasu.dev@intel.com> | 2012-05-25 10:26:48 -0700 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-07-20 08:31:48 +0100 |
| commit | 0f02a6652803235a4893c7b01dd6eab862a913ec (patch) | |
| tree | 21c80b2f5778a620da6c3e2599b6deee8e459ec0 /drivers/scsi/libfc | |
| parent | 1bd49b482077e231842352621169dedff1f41931 (diff) | |
| download | linux-0f02a6652803235a4893c7b01dd6eab862a913ec.tar.gz linux-0f02a6652803235a4893c7b01dd6eab862a913ec.tar.bz2 linux-0f02a6652803235a4893c7b01dd6eab862a913ec.zip | |
[SCSI] libfc: adds FCP failures stats
Adds stats to track FCP pkt and frame alloc
failure.
Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Acked-by : Robert Love <robert.w.love@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/libfc')
| -rw-r--r-- | drivers/scsi/libfc/fc_fcp.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index 5c4c504fc105..3c96e9300d00 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -158,6 +158,9 @@ static struct fc_fcp_pkt *fc_fcp_pkt_alloc(struct fc_lport *lport, gfp_t gfp) fsp->timer.data = (unsigned long)fsp; INIT_LIST_HEAD(&fsp->list); spin_lock_init(&fsp->scsi_pkt_lock); + } else { + per_cpu_ptr(lport->stats, get_cpu())->FcpPktAllocFails++; + put_cpu(); } return fsp; } @@ -264,6 +267,9 @@ static int fc_fcp_send_abort(struct fc_fcp_pkt *fsp) if (!fsp->seq_ptr) return -EINVAL; + per_cpu_ptr(fsp->lp->stats, get_cpu())->FcpPktAborts++; + put_cpu(); + fsp->state |= FC_SRB_ABORT_PENDING; return fsp->lp->tt.seq_exch_abort(fsp->seq_ptr, 0); } @@ -420,6 +426,8 @@ static inline struct fc_frame *fc_fcp_frame_alloc(struct fc_lport *lport, if (likely(fp)) return fp; + per_cpu_ptr(lport->stats, get_cpu())->FcpFrameAllocFails++; + put_cpu(); /* error case */ fc_fcp_can_queue_ramp_down(lport); return NULL; |