1 // SPDX-License-Identifier: GPL-2.0-or-later
7    Copyright (C) 2001-2008, LINBIT Information Technologies GmbH.
8    Copyright (C) 1999-2008, Philipp Reisner <philipp.reisner@linbit.com>.
9    Copyright (C) 2002-2008, Lars Ellenberg <lars.ellenberg@linbit.com>.
46 	typecheck(unsigned long, device->rs_total);  in drbd_get_syncer_progress()
47 	*rs_total = device->rs_total;  in drbd_get_syncer_progress()
54 		*bits_left = device->ov_left;  in drbd_get_syncer_progress()
56 		*bits_left = drbd_bm_total_weight(device) - device->rs_failed;  in drbd_get_syncer_progress()
78 		unsigned long tmp = 1000UL - left * 1000UL/total;  in drbd_get_syncer_progress()
101 	y = 20-x;  in drbd_syncer_progress()
117 	if (rs_total > (4UL << (30 - BM_BLOCK_SHIFT)))  in drbd_syncer_progress()
138 	 * at least (DRBD_SYNC_MARKS-2)*DRBD_SYNC_MARK_STEP old, and has at  in drbd_syncer_progress()
140 	/* ------------------------ ~18s average ------------------------ */  in drbd_syncer_progress()
141 	i = (device->rs_last_mark + 2) % DRBD_SYNC_MARKS;  in drbd_syncer_progress()
142 	dt = (jiffies - device->rs_mark_time[i]) / HZ;  in drbd_syncer_progress()
148 	db = device->rs_mark_left[i] - rs_left;  in drbd_syncer_progress()
158 	/* ------------------------- ~3s average ------------------------ */  in drbd_syncer_progress()
161 		i = (device->rs_last_mark + DRBD_SYNC_MARKS-1) % DRBD_SYNC_MARKS;  in drbd_syncer_progress()
162 		dt = (jiffies - device->rs_mark_time[i]) / HZ;  in drbd_syncer_progress()
165 		db = device->rs_mark_left[i] - rs_left;  in drbd_syncer_progress()
168 		seq_puts(seq, " -- ");  in drbd_syncer_progress()
171 	/* --------------------- long term average ---------------------- */  in drbd_syncer_progress()
174 	dt = (jiffies - device->rs_start - device->rs_paused) / HZ;  in drbd_syncer_progress()
177 	db = rs_total - rs_left;  in drbd_syncer_progress()
185 		seq_printf_with_thousands_grouping(seq, device->c_sync_rate);  in drbd_syncer_progress()
197 			bit_pos = bm_bits - device->ov_left;  in drbd_syncer_progress()
199 				stop_sector = device->ov_stop_sector;  in drbd_syncer_progress()
201 			bit_pos = device->bm_resync_fo;  in drbd_syncer_progress()
217 	int i, prev_i = -1;  in drbd_seq_show()
230 	seq_printf(seq, "version: " REL_VERSION " (api:%d/proto:%d-%d)\n%s\n",  in drbd_seq_show()
236 	  ds .. disk state (local/remote)  in drbd_seq_show()
241 	  dw .. disk write  in drbd_seq_show()
242 	  dr .. disk read  in drbd_seq_show()
243 	  al .. activity log write count  in drbd_seq_show()
250 	 oos .. known out-of-sync kB  in drbd_seq_show()
255 		if (prev_i != i - 1)  in drbd_seq_show()
259 		state = device->state;  in drbd_seq_show()
263 		    state.disk == D_DISKLESS &&  in drbd_seq_show()
267 			/* reset device->congestion_reason */  in drbd_seq_show()
269 			nc = rcu_dereference(first_peer_device(device)->connection->net_conf);  in drbd_seq_show()
270 			wp = nc ? nc->wire_protocol - DRBD_PROT_A + 'A' : ' ';  in drbd_seq_show()
278 			   drbd_disk_str(state.disk),  in drbd_seq_show()
282 			   state.aftr_isp ? 'a' : '-',  in drbd_seq_show()
283 			   state.peer_isp ? 'p' : '-',  in drbd_seq_show()
284 			   state.user_isp ? 'u' : '-',  in drbd_seq_show()
285 			   device->congestion_reason ?: '-',  in drbd_seq_show()
286 			   test_bit(AL_SUSPENDED, &device->flags) ? 's' : '-',  in drbd_seq_show()
287 			   device->send_cnt/2,  in drbd_seq_show()
288 			   device->recv_cnt/2,  in drbd_seq_show()
289 			   device->writ_cnt/2,  in drbd_seq_show()
290 			   device->read_cnt/2,  in drbd_seq_show()
291 			   device->al_writ_cnt,  in drbd_seq_show()
292 			   device->bm_writ_cnt,  in drbd_seq_show()
293 			   atomic_read(&device->local_cnt),  in drbd_seq_show()
294 			   atomic_read(&device->ap_pending_cnt) +  in drbd_seq_show()
295 			   atomic_read(&device->rs_pending_cnt),  in drbd_seq_show()
296 			   atomic_read(&device->unacked_cnt),  in drbd_seq_show()
297 			   atomic_read(&device->ap_bio_cnt),  in drbd_seq_show()
298 			   first_peer_device(device)->connection->epochs,  in drbd_seq_show()
299 			   write_ordering_chars[device->resource->write_ordering]  in drbd_seq_show()
312 			lc_seq_printf_stats(seq, device->resync);  in drbd_seq_show()
313 			lc_seq_printf_stats(seq, device->act_log);  in drbd_seq_show()
318 			seq_printf(seq, "\tblocked on activity log: %d\n", atomic_read(&device->ap_actlog_cnt));  in drbd_seq_show()