diff options
Diffstat (limited to 'include/scsi')
| -rw-r--r-- | include/scsi/libfc.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h index a70eafaad084..4e1d394348cf 100644 --- a/include/scsi/libfc.h +++ b/include/scsi/libfc.h @@ -22,6 +22,7 @@ #include <linux/timer.h> #include <linux/if.h> +#include <linux/percpu.h> #include <scsi/scsi_transport.h> #include <scsi/scsi_transport_fc.h> @@ -661,7 +662,8 @@ struct fc_lport { unsigned long boot_time; struct fc_host_statistics host_stats; - struct fcoe_dev_stats *dev_stats[NR_CPUS]; + struct fcoe_dev_stats *dev_stats; + u64 wwpn; u64 wwnn; u8 retry_count; @@ -722,6 +724,25 @@ static inline void fc_lport_state_enter(struct fc_lport *lp, lp->state = state; } +static inline int fc_lport_init_stats(struct fc_lport *lp) +{ + /* allocate per cpu stats block */ + lp->dev_stats = alloc_percpu(struct fcoe_dev_stats); + if (!lp->dev_stats) + return -ENOMEM; + return 0; +} + +static inline void fc_lport_free_stats(struct fc_lport *lp) +{ + free_percpu(lp->dev_stats); +} + +static inline struct fcoe_dev_stats *fc_lport_get_stats(struct fc_lport *lp) +{ + return per_cpu_ptr(lp->dev_stats, smp_processor_id()); +} + /* * LOCAL PORT LAYER |