void obd_update_maxusage()
{
- __u64 max1, max2;
+ __u64 max1, max2;
- max1 = obd_pages_sum();
- max2 = obd_memory_sum();
+ max1 = obd_pages_sum();
+ max2 = obd_memory_sum();
- cfs_spin_lock(&obd_updatemax_lock);
- if (max1 > obd_max_pages)
- obd_max_pages = max1;
- if (max2 > obd_max_alloc)
- obd_max_alloc = max2;
- cfs_spin_unlock(&obd_updatemax_lock);
+ spin_lock(&obd_updatemax_lock);
+ if (max1 > obd_max_pages)
+ obd_max_pages = max1;
+ if (max2 > obd_max_alloc)
+ obd_max_alloc = max2;
+ spin_unlock(&obd_updatemax_lock);
}
EXPORT_SYMBOL(obd_update_maxusage);
__u64 obd_memory_max(void)
{
- __u64 ret;
+ __u64 ret;
- cfs_spin_lock(&obd_updatemax_lock);
- ret = obd_max_alloc;
- cfs_spin_unlock(&obd_updatemax_lock);
+ spin_lock(&obd_updatemax_lock);
+ ret = obd_max_alloc;
+ spin_unlock(&obd_updatemax_lock);
- return ret;
+ return ret;
}
EXPORT_SYMBOL(obd_memory_max);
__u64 obd_pages_max(void)
{
- __u64 ret;
+ __u64 ret;
- cfs_spin_lock(&obd_updatemax_lock);
- ret = obd_max_pages;
- cfs_spin_unlock(&obd_updatemax_lock);
+ spin_lock(&obd_updatemax_lock);
+ ret = obd_max_pages;
+ spin_unlock(&obd_updatemax_lock);
- return ret;
+ return ret;
}
EXPORT_SYMBOL(obd_pages_max);
__s64 lprocfs_read_helper(struct lprocfs_counter *lc,
enum lprocfs_fields_flags field)
{
- __s64 ret = 0;
- int centry;
-
- if (!lc)
- RETURN(0);
- do {
- centry = cfs_atomic_read(&lc->lc_cntl.la_entry);
-
- switch (field) {
- case LPROCFS_FIELDS_FLAGS_CONFIG:
- ret = lc->lc_config;
- break;
- case LPROCFS_FIELDS_FLAGS_SUM:
- ret = lc->lc_sum + lc->lc_sum_irq;
- break;
- case LPROCFS_FIELDS_FLAGS_MIN:
- ret = lc->lc_min;
- break;
- case LPROCFS_FIELDS_FLAGS_MAX:
- ret = lc->lc_max;
- break;
- case LPROCFS_FIELDS_FLAGS_AVG:
- ret = (lc->lc_max - lc->lc_min)/2;
- break;
- case LPROCFS_FIELDS_FLAGS_SUMSQUARE:
- ret = lc->lc_sumsquare;
- break;
- case LPROCFS_FIELDS_FLAGS_COUNT:
- ret = lc->lc_count;
- break;
- default:
- break;
- };
- } while (centry != cfs_atomic_read(&lc->lc_cntl.la_entry) &&
- centry != cfs_atomic_read(&lc->lc_cntl.la_exit));
-
- RETURN(ret);
+ __s64 ret = 0;
+
+ if (lc == NULL)
+ RETURN(0);
+
+ switch (field) {
+ case LPROCFS_FIELDS_FLAGS_CONFIG:
+ ret = lc->lc_config;
+ break;
+ case LPROCFS_FIELDS_FLAGS_SUM:
+ ret = lc->lc_sum + lc->lc_sum_irq;
+ break;
+ case LPROCFS_FIELDS_FLAGS_MIN:
+ ret = lc->lc_min;
+ break;
+ case LPROCFS_FIELDS_FLAGS_MAX:
+ ret = lc->lc_max;
+ break;
+ case LPROCFS_FIELDS_FLAGS_AVG:
+ ret = (lc->lc_max - lc->lc_min) / 2;
+ break;
+ case LPROCFS_FIELDS_FLAGS_SUMSQUARE:
+ ret = lc->lc_sumsquare;
+ break;
+ case LPROCFS_FIELDS_FLAGS_COUNT:
+ ret = lc->lc_count;
+ break;
+ default:
+ break;
+ };
+
+ RETURN(ret);
}
EXPORT_SYMBOL(lprocfs_read_helper);
#endif /* LPROCFS */