LU-10602 llite: add file heat support

[fs/lustre-release.git] / lustre / include / obd_class.h

diff --git a/lustre/include/obd_class.h b/lustre/include/obd_class.h
index cd3f0b5..18e1628 100644 (file)
--- a/lustre/include/obd_class.h
+++ b/lustre/include/obd_class.h
@@ -1844,4 +1844,15 @@ extern struct miscdevice obd_psdev;
 int obd_ioctl_getdata(char **buf, int *len, void __user *arg);
 int class_procfs_init(void);
 int class_procfs_clean(void);
+
+extern void obd_heat_add(struct obd_heat_instance *instance,
+                        unsigned int time_second, __u64 count,
+                        unsigned int weight, unsigned int period_second);
+extern void obd_heat_decay(struct obd_heat_instance *instance,
+                          __u64 time_second, unsigned int weight,
+                          unsigned int period_second);
+extern __u64 obd_heat_get(struct obd_heat_instance *instance,
+                         unsigned int time_second, unsigned int weight,
+                         unsigned int period_second);
+extern void obd_heat_clear(struct obd_heat_instance *instance, int count);
 #endif /* __LINUX_OBD_CLASS_H */