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path: root/drivers/scsi/fcoe/libfcoe.c
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Diffstat (limited to 'drivers/scsi/fcoe/libfcoe.c')
-rw-r--r--drivers/scsi/fcoe/libfcoe.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index b7718be3c09..ff5ccba3d74 100644
--- a/drivers/scsi/fcoe/libfcoe.c
+++ b/drivers/scsi/fcoe/libfcoe.c
@@ -550,7 +550,7 @@ EXPORT_SYMBOL(fcoe_ctlr_els_send);
* fcoe_ctlr_age_fcfs() - Reset and free all old FCFs for a controller
* @fip: The FCoE controller to free FCFs on
*
- * Called with lock held.
+ * Called with lock held and preemption disabled.
*
* An FCF is considered old if we have missed three advertisements.
* That is, there have been no valid advertisement from it for three
@@ -567,17 +567,20 @@ static void fcoe_ctlr_age_fcfs(struct fcoe_ctlr *fip)
struct fcoe_fcf *next;
unsigned long sel_time = 0;
unsigned long mda_time = 0;
+ struct fcoe_dev_stats *stats;
list_for_each_entry_safe(fcf, next, &fip->fcfs, list) {
mda_time = fcf->fka_period + (fcf->fka_period >> 1);
if ((fip->sel_fcf == fcf) &&
(time_after(jiffies, fcf->time + mda_time))) {
mod_timer(&fip->timer, jiffies + mda_time);
- fc_lport_get_stats(fip->lp)->MissDiscAdvCount++;
+ stats = per_cpu_ptr(fip->lp->dev_stats,
+ smp_processor_id());
+ stats->MissDiscAdvCount++;
printk(KERN_INFO "libfcoe: host%d: Missing Discovery "
"Advertisement for fab %llx count %lld\n",
fip->lp->host->host_no, fcf->fabric_name,
- fc_lport_get_stats(fip->lp)->MissDiscAdvCount);
+ stats->MissDiscAdvCount);
}
if (time_after(jiffies, fcf->time + fcf->fka_period * 3 +
msecs_to_jiffies(FIP_FCF_FUZZ * 3))) {
@@ -587,7 +590,9 @@ static void fcoe_ctlr_age_fcfs(struct fcoe_ctlr *fip)
WARN_ON(!fip->fcf_count);
fip->fcf_count--;
kfree(fcf);
- fc_lport_get_stats(fip->lp)->VLinkFailureCount++;
+ stats = per_cpu_ptr(fip->lp->dev_stats,
+ smp_processor_id());
+ stats->VLinkFailureCount++;
} else if (fcoe_ctlr_mtu_valid(fcf) &&
(!sel_time || time_before(sel_time, fcf->time))) {
sel_time = fcf->time;
@@ -900,9 +905,10 @@ static void fcoe_ctlr_recv_els(struct fcoe_ctlr *fip, struct sk_buff *skb)
fr_eof(fp) = FC_EOF_T;
fr_dev(fp) = lport;
- stats = fc_lport_get_stats(lport);
+ stats = per_cpu_ptr(lport->dev_stats, get_cpu());
stats->RxFrames++;
stats->RxWords += skb->len / FIP_BPW;
+ put_cpu();
fc_exch_recv(lport, fp);
return;
@@ -1000,7 +1006,8 @@ static void fcoe_ctlr_recv_clr_vlink(struct fcoe_ctlr *fip,
LIBFCOE_FIP_DBG(fip, "performing Clear Virtual Link\n");
spin_lock_bh(&fip->lock);
- fc_lport_get_stats(lport)->VLinkFailureCount++;
+ per_cpu_ptr(lport->dev_stats,
+ smp_processor_id())->VLinkFailureCount++;
fcoe_ctlr_reset(fip);
spin_unlock_bh(&fip->lock);