61 		struct ceph_subvol_metric_rb_entry *entry =  in __lookup_entry()  local
64 		if (subvol_id < entry->subvolume_id)  in __lookup_entry()
66 		else if (subvol_id > entry->subvolume_id)  in __lookup_entry()
69 			return entry;  in __lookup_entry()
77 	       struct ceph_subvol_metric_rb_entry *entry)  in __insert_entry()  argument
88 		if (entry->subvolume_id < cur->subvolume_id)  in __insert_entry()
90 		else if (entry->subvolume_id > cur->subvolume_id) {  in __insert_entry()
97 	rb_link_node(&entry->node, parent, link);  in __insert_entry()
98 	rb_insert_color_cached(&entry->node, &tracker->tree, leftmost);  in __insert_entry()
100 	return entry;  in __insert_entry()
109 		struct ceph_subvol_metric_rb_entry *entry =  in ceph_subvolume_metrics_clear_locked()  local
113 		rb_erase_cached(&entry->node, &tracker->tree);  in ceph_subvolume_metrics_clear_locked()
115 		kmem_cache_free(ceph_subvol_metric_entry_cachep, entry);  in ceph_subvolume_metrics_clear_locked()
147 	struct ceph_subvol_metric_rb_entry *entry, *new_entry = NULL;  in ceph_subvolume_metrics_record()  local
171 		entry = __lookup_entry(tracker, subvol_id);  in ceph_subvolume_metrics_record()
172 		if (!entry) {  in ceph_subvolume_metrics_record()
183 			entry = __insert_entry(tracker, new_entry);  in ceph_subvolume_metrics_record()
184 			if (entry != new_entry) {  in ceph_subvolume_metrics_record()
196 			entry->write_ops++;  in ceph_subvolume_metrics_record()
197 			entry->write_bytes += size;  in ceph_subvolume_metrics_record()
198 			entry->write_latency_us += latency_us;  in ceph_subvolume_metrics_record()
202 			entry->read_ops++;  in ceph_subvolume_metrics_record()
203 			entry->read_bytes += size;  in ceph_subvolume_metrics_record()
204 			entry->read_latency_us += latency_us;  in ceph_subvolume_metrics_record()
234 		struct ceph_subvol_metric_rb_entry *entry =  in ceph_subvolume_metrics_snapshot()  local
238 		if (entry->read_ops || entry->write_ops)  in ceph_subvolume_metrics_snapshot()
257 		struct ceph_subvol_metric_rb_entry *entry =  in ceph_subvolume_metrics_snapshot()  local
262 		if (!entry->read_ops && !entry->write_ops) {  in ceph_subvolume_metrics_snapshot()
263 			rb_erase_cached(&entry->node, &tracker->tree);  in ceph_subvolume_metrics_snapshot()
265 			kmem_cache_free(ceph_subvol_metric_entry_cachep, entry);  in ceph_subvolume_metrics_snapshot()
276 		snap[idx].subvolume_id = entry->subvolume_id;  in ceph_subvolume_metrics_snapshot()
277 		snap[idx].read_ops = entry->read_ops;  in ceph_subvolume_metrics_snapshot()
278 		snap[idx].write_ops = entry->write_ops;  in ceph_subvolume_metrics_snapshot()
279 		snap[idx].read_bytes = entry->read_bytes;  in ceph_subvolume_metrics_snapshot()
280 		snap[idx].write_bytes = entry->write_bytes;  in ceph_subvolume_metrics_snapshot()
281 		snap[idx].read_latency_us = entry->read_latency_us;  in ceph_subvolume_metrics_snapshot()
282 		snap[idx].write_latency_us = entry->write_latency_us;  in ceph_subvolume_metrics_snapshot()
286 			entry->read_ops = 0;  in ceph_subvolume_metrics_snapshot()
287 			entry->write_ops = 0;  in ceph_subvolume_metrics_snapshot()
288 			entry->read_bytes = 0;  in ceph_subvolume_metrics_snapshot()
289 			entry->write_bytes = 0;  in ceph_subvolume_metrics_snapshot()
290 			entry->read_latency_us = 0;  in ceph_subvolume_metrics_snapshot()
291 			entry->write_latency_us = 0;  in ceph_subvolume_metrics_snapshot()
292 			rb_erase_cached(&entry->node, &tracker->tree);  in ceph_subvolume_metrics_snapshot()
294 			kmem_cache_free(ceph_subvol_metric_entry_cachep, entry);  in ceph_subvolume_metrics_snapshot()
337 		struct ceph_subvol_metric_rb_entry *entry =  in ceph_subvolume_metrics_dump()  local
341 		if (!entry->read_ops && !entry->write_ops)  in ceph_subvolume_metrics_dump()
350 		avg_rd_lat = entry->read_ops ?  in ceph_subvolume_metrics_dump()
351 			div64_u64(entry->read_latency_us, entry->read_ops) : 0;  in ceph_subvolume_metrics_dump()
352 		avg_wr_lat = entry->write_ops ?  in ceph_subvolume_metrics_dump()
353 			div64_u64(entry->write_latency_us, entry->write_ops) : 0;  in ceph_subvolume_metrics_dump()
356 			   entry->subvolume_id,  in ceph_subvolume_metrics_dump()
357 			   entry->read_ops,  in ceph_subvolume_metrics_dump()
358 			   entry->read_bytes,  in ceph_subvolume_metrics_dump()
360 			   entry->write_ops,  in ceph_subvolume_metrics_dump()
361 			   entry->write_bytes,  in ceph_subvolume_metrics_dump()